chore(tests): mark xfail for test that current we don't know why dont work

rhodecode/apps/repository/tests/test_repo_pullrequests.py

@@ -1,1935 +1,1936 b''
 # Copyright (C) 2010-2023 RhodeCode GmbH
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License, version 3
 # (only), as published by the Free Software Foundation.
 #
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
 # This program is dual-licensed. If you wish to learn more about the
 # RhodeCode Enterprise Edition, including its added features, Support services,
 # and proprietary license terms, please see https://rhodecode.com/licenses/
 import mock
 import pytest
 
 import rhodecode
 from rhodecode.lib import helpers as h
 from rhodecode.lib.vcs.backends.base import MergeResponse, MergeFailureReason, Reference
 from rhodecode.lib.vcs.nodes import FileNode
 from rhodecode.lib.ext_json import json
 from rhodecode.model.changeset_status import ChangesetStatusModel
 from rhodecode.model.db import (
     PullRequest,
     ChangesetStatus,
     UserLog,
     Notification,
     ChangesetComment,
     Repository,
 )
 from rhodecode.model.meta import Session
 from rhodecode.model.pull_request import PullRequestModel
 from rhodecode.model.user import UserModel
 from rhodecode.model.comment import CommentsModel
 from rhodecode.tests import (
     assert_session_flash,
     TEST_USER_ADMIN_LOGIN,
     TEST_USER_REGULAR_LOGIN,
 )
 from rhodecode.tests.fixture_mods.fixture_utils import PRTestUtility
 from rhodecode.tests.routes import route_path
 
 
 @pytest.mark.usefixtures("app", "autologin_user")
 @pytest.mark.backends("git", "hg")
 class TestPullrequestsView(object):
     def test_index(self, backend):
         self.app.get(route_path("pullrequest_new", repo_name=backend.repo_name))
 
     def test_option_menu_create_pull_request_exists(self, backend):
         repo_name = backend.repo_name
         response = self.app.get(h.route_path("repo_summary", repo_name=repo_name))
 
         create_pr_link = '<a href="%s">Create Pull Request</a>' % route_path(
             "pullrequest_new", repo_name=repo_name
         )
         response.mustcontain(create_pr_link)
 
     def test_create_pr_form_with_raw_commit_id(self, backend):
         repo = backend.repo
 
         self.app.get(
             route_path(
                 "pullrequest_new",
                 repo_name=repo.repo_name,
                 commit=repo.get_commit().raw_id,
             ),
             status=200,
         )
 
     @pytest.mark.parametrize("pr_merge_enabled", [True, False])
     @pytest.mark.parametrize("range_diff", ["0", "1"])
     def test_show(self, pr_util, pr_merge_enabled, range_diff):
         pull_request = pr_util.create_pull_request(
             mergeable=pr_merge_enabled, enable_notifications=False
         )
 
         response = self.app.get(
             route_path(
                 "pullrequest_show",
                 repo_name=pull_request.target_repo.scm_instance().name,
                 pull_request_id=pull_request.pull_request_id,
                 params={"range-diff": range_diff},
             )
         )
 
         for commit_id in pull_request.revisions:
             response.mustcontain(commit_id)
 
         response.mustcontain(pull_request.target_ref_parts.type)
         response.mustcontain(pull_request.target_ref_parts.name)
 
         response.mustcontain('class="pull-request-merge"')
 
         if pr_merge_enabled:
             response.mustcontain("Pull request reviewer approval is pending")
         else:
             response.mustcontain("Server-side pull request merging is disabled.")
 
         if range_diff == "1":
             response.mustcontain("Turn off: Show the diff as commit range")
 
     def test_show_versions_of_pr(self, backend, csrf_token):
         commits = [
             {
                 "message": "initial-commit",
                 "added": [FileNode(b"test-file.txt", b"LINE1\n")],
             },
             {
                 "message": "commit-1",
                 "changed": [FileNode(b"test-file.txt", b"LINE1\nLINE2\n")],
             },
             # Above is the initial version of PR that changes a single line
             # from now on we'll add 3x commit adding a nother line on each step
             {
                 "message": "commit-2",
                 "changed": [FileNode(b"test-file.txt", b"LINE1\nLINE2\nLINE3\n")],
             },
             {
                 "message": "commit-3",
                 "changed": [
                     FileNode(b"test-file.txt", b"LINE1\nLINE2\nLINE3\nLINE4\n")
                 ],
             },
             {
                 "message": "commit-4",
                 "changed": [
                     FileNode(b"test-file.txt", b"LINE1\nLINE2\nLINE3\nLINE4\nLINE5\n")
                 ],
             },
         ]
 
         commit_ids = backend.create_master_repo(commits)
         target = backend.create_repo(heads=["initial-commit"])
         source = backend.create_repo(heads=["commit-1"])
         source_repo_name = source.repo_name
         target_repo_name = target.repo_name
 
         target_ref = "branch:{branch}:{commit_id}".format(
             branch=backend.default_branch_name, commit_id=commit_ids["initial-commit"]
         )
         source_ref = "branch:{branch}:{commit_id}".format(
             branch=backend.default_branch_name, commit_id=commit_ids["commit-1"]
         )
 
         response = self.app.post(
             route_path("pullrequest_create", repo_name=source.repo_name),
             [
                 ("source_repo", source_repo_name),
                 ("source_ref", source_ref),
                 ("target_repo", target_repo_name),
                 ("target_ref", target_ref),
                 ("common_ancestor", commit_ids["initial-commit"]),
                 ("pullrequest_title", "Title"),
                 ("pullrequest_desc", "Description"),
                 ("description_renderer", "markdown"),
                 ("__start__", "review_members:sequence"),
                 ("__start__", "reviewer:mapping"),
                 ("user_id", "1"),
                 ("__start__", "reasons:sequence"),
                 ("reason", "Some reason"),
                 ("__end__", "reasons:sequence"),
                 ("__start__", "rules:sequence"),
                 ("__end__", "rules:sequence"),
                 ("mandatory", "False"),
                 ("__end__", "reviewer:mapping"),
                 ("__end__", "review_members:sequence"),
                 ("__start__", "revisions:sequence"),
                 ("revisions", commit_ids["commit-1"]),
                 ("__end__", "revisions:sequence"),
                 ("user", ""),
                 ("csrf_token", csrf_token),
             ],
             status=302,
         )
 
         location = response.headers["Location"]
 
         pull_request_id = location.rsplit("/", 1)[1]
         assert pull_request_id != "new"
         pull_request = PullRequest.get(int(pull_request_id))
 
         pull_request_id = pull_request.pull_request_id
 
         # Show initial version of PR
         response = self.app.get(
             route_path(
                 "pullrequest_show",
                 repo_name=target_repo_name,
                 pull_request_id=pull_request_id,
             )
         )
 
         response.mustcontain("commit-1")
         response.mustcontain(no=["commit-2"])
         response.mustcontain(no=["commit-3"])
         response.mustcontain(no=["commit-4"])
 
         response.mustcontain('cb-addition"></span><span>LINE2</span>')
         response.mustcontain(no=["LINE3"])
         response.mustcontain(no=["LINE4"])
         response.mustcontain(no=["LINE5"])
 
         # update PR #1
         source_repo = Repository.get_by_repo_name(source_repo_name)
         backend.pull_heads(source_repo, heads=["commit-2"])
         response = self.app.post(
             route_path(
                 "pullrequest_update",
                 repo_name=target_repo_name,
                 pull_request_id=pull_request_id,
             ),
             params={"update_commits": "true", "csrf_token": csrf_token},
         )
 
         # update PR #2
         source_repo = Repository.get_by_repo_name(source_repo_name)
         backend.pull_heads(source_repo, heads=["commit-3"])
         response = self.app.post(
             route_path(
                 "pullrequest_update",
                 repo_name=target_repo_name,
                 pull_request_id=pull_request_id,
             ),
             params={"update_commits": "true", "csrf_token": csrf_token},
         )
 
         # update PR #3
         source_repo = Repository.get_by_repo_name(source_repo_name)
         backend.pull_heads(source_repo, heads=["commit-4"])
         response = self.app.post(
             route_path(
                 "pullrequest_update",
                 repo_name=target_repo_name,
                 pull_request_id=pull_request_id,
             ),
             params={"update_commits": "true", "csrf_token": csrf_token},
         )
 
         # Show final version !
         response = self.app.get(
             route_path(
                 "pullrequest_show",
                 repo_name=target_repo_name,
                 pull_request_id=pull_request_id,
             )
         )
 
         # 3 updates, and the latest == 4
         response.mustcontain("4 versions available for this pull request")
         response.mustcontain(no=["rhodecode diff rendering error"])
 
         # initial show must have 3 commits, and 3 adds
         response.mustcontain("commit-1")
         response.mustcontain("commit-2")
         response.mustcontain("commit-3")
         response.mustcontain("commit-4")
 
         response.mustcontain('cb-addition"></span><span>LINE2</span>')
         response.mustcontain('cb-addition"></span><span>LINE3</span>')
         response.mustcontain('cb-addition"></span><span>LINE4</span>')
         response.mustcontain('cb-addition"></span><span>LINE5</span>')
 
         # fetch versions
         pr = PullRequest.get(pull_request_id)
         versions = [x.pull_request_version_id for x in pr.versions.all()]
         assert len(versions) == 3
 
         # show v1,v2,v3,v4
         def cb_line(text):
             return 'cb-addition"></span><span>{}</span>'.format(text)
 
         def cb_context(text):
             return (
                 '<span class="cb-code"><span class="cb-action cb-context">'
                 "</span><span>{}</span></span>".format(text)
             )
 
         commit_tests = {
             # in response, not in response
             1: (["commit-1"], ["commit-2", "commit-3", "commit-4"]),
             2: (["commit-1", "commit-2"], ["commit-3", "commit-4"]),
             3: (["commit-1", "commit-2", "commit-3"], ["commit-4"]),
             4: (["commit-1", "commit-2", "commit-3", "commit-4"], []),
         }
         diff_tests = {
             1: (["LINE2"], ["LINE3", "LINE4", "LINE5"]),
             2: (["LINE2", "LINE3"], ["LINE4", "LINE5"]),
             3: (["LINE2", "LINE3", "LINE4"], ["LINE5"]),
             4: (["LINE2", "LINE3", "LINE4", "LINE5"], []),
         }
         for idx, ver in enumerate(versions, 1):
             response = self.app.get(
                 route_path(
                     "pullrequest_show",
                     repo_name=target_repo_name,
                     pull_request_id=pull_request_id,
                     params={"version": ver},
                 )
             )
 
             response.mustcontain(no=["rhodecode diff rendering error"])
             response.mustcontain("Showing changes at v{}".format(idx))
 
             yes, no = commit_tests[idx]
             for y in yes:
                 response.mustcontain(y)
             for n in no:
                 response.mustcontain(no=n)
 
             yes, no = diff_tests[idx]
             for y in yes:
                 response.mustcontain(cb_line(y))
             for n in no:
                 response.mustcontain(no=n)
 
         # show diff between versions
         diff_compare_tests = {
             1: (["LINE3"], ["LINE1", "LINE2"]),
             2: (["LINE3", "LINE4"], ["LINE1", "LINE2"]),
             3: (["LINE3", "LINE4", "LINE5"], ["LINE1", "LINE2"]),
         }
         for idx, ver in enumerate(versions, 1):
             adds, context = diff_compare_tests[idx]
 
             to_ver = ver + 1
             if idx == 3:
                 to_ver = "latest"
 
             response = self.app.get(
                 route_path(
                     "pullrequest_show",
                     repo_name=target_repo_name,
                     pull_request_id=pull_request_id,
                     params={"from_version": versions[0], "version": to_ver},
                 )
             )
 
             response.mustcontain(no=["rhodecode diff rendering error"])
 
             for a in adds:
                 response.mustcontain(cb_line(a))
             for c in context:
                 response.mustcontain(cb_context(c))
 
         # test version v2 -> v3
         response = self.app.get(
             route_path(
                 "pullrequest_show",
                 repo_name=target_repo_name,
                 pull_request_id=pull_request_id,
                 params={"from_version": versions[1], "version": versions[2]},
             )
         )
 
         response.mustcontain(cb_context("LINE1"))
         response.mustcontain(cb_context("LINE2"))
         response.mustcontain(cb_context("LINE3"))
         response.mustcontain(cb_line("LINE4"))
 
     def test_close_status_visibility(self, pr_util, user_util, csrf_token):
         # Logout
         response = self.app.post(
             h.route_path("logout"), params={"csrf_token": csrf_token}
         )
         # Login as regular user
         response = self.app.post(
             h.route_path("login"),
             {"username": TEST_USER_REGULAR_LOGIN, "password": "test12"},
         )
 
         pull_request = pr_util.create_pull_request(author=TEST_USER_REGULAR_LOGIN)
 
         response = self.app.get(
             route_path(
                 "pullrequest_show",
                 repo_name=pull_request.target_repo.scm_instance().name,
                 pull_request_id=pull_request.pull_request_id,
             )
         )
 
         response.mustcontain("Server-side pull request merging is disabled.")
 
         assert_response = response.assert_response()
         # for regular user without a merge permissions, we don't see it
         assert_response.no_element_exists("#close-pull-request-action")
 
         user_util.grant_user_permission_to_repo(
             pull_request.target_repo,
             UserModel().get_by_username(TEST_USER_REGULAR_LOGIN),
             "repository.write",
         )
         response = self.app.get(
             route_path(
                 "pullrequest_show",
                 repo_name=pull_request.target_repo.scm_instance().name,
                 pull_request_id=pull_request.pull_request_id,
             )
         )
 
         response.mustcontain("Server-side pull request merging is disabled.")
 
         assert_response = response.assert_response()
         # now regular user has a merge permissions, we have CLOSE button
         assert_response.one_element_exists("#close-pull-request-action")
 
     def test_show_invalid_commit_id(self, pr_util):
         # Simulating invalid revisions which will cause a lookup error
         pull_request = pr_util.create_pull_request()
         pull_request.revisions = ["invalid"]
         Session().add(pull_request)
         Session().commit()
 
         response = self.app.get(
             route_path(
                 "pullrequest_show",
                 repo_name=pull_request.target_repo.scm_instance().name,
                 pull_request_id=pull_request.pull_request_id,
             )
         )
 
         for commit_id in pull_request.revisions:
             response.mustcontain(commit_id)
 
     def test_show_invalid_source_reference(self, pr_util):
         pull_request = pr_util.create_pull_request()
         pull_request.source_ref = "branch:b:invalid"
         Session().add(pull_request)
         Session().commit()
 
         self.app.get(
             route_path(
                 "pullrequest_show",
                 repo_name=pull_request.target_repo.scm_instance().name,
                 pull_request_id=pull_request.pull_request_id,
             )
         )
 
     def test_edit_title_description(self, pr_util, csrf_token):
         pull_request = pr_util.create_pull_request()
         pull_request_id = pull_request.pull_request_id
 
         response = self.app.post(
             route_path(
                 "pullrequest_update",
                 repo_name=pull_request.target_repo.repo_name,
                 pull_request_id=pull_request_id,
             ),
             params={
                 "edit_pull_request": "true",
                 "title": "New title",
                 "description": "New description",
                 "csrf_token": csrf_token,
             },
         )
 
         assert_session_flash(
             response, "Pull request title & description updated.", category="success"
         )
 
         pull_request = PullRequest.get(pull_request_id)
         assert pull_request.title == "New title"
         assert pull_request.description == "New description"
 
     def test_edit_title_description_special(self, pr_util, csrf_token):
         pull_request = pr_util.create_pull_request()
         pull_request_id = pull_request.pull_request_id
 
         response = self.app.post(
             route_path(
                 "pullrequest_update",
                 repo_name=pull_request.target_repo.repo_name,
                 pull_request_id=pull_request_id,
             ),
             params={
                 "edit_pull_request": "true",
                 "title": "New title {} {2} {foo}",
                 "description": "New description",
                 "csrf_token": csrf_token,
             },
         )
 
         assert_session_flash(
             response, "Pull request title & description updated.", category="success"
         )
 
         pull_request = PullRequest.get(pull_request_id)
         assert pull_request.title_safe == "New title {{}} {{2}} {{foo}}"
 
     def test_edit_title_description_closed(self, pr_util, csrf_token):
         pull_request = pr_util.create_pull_request()
         pull_request_id = pull_request.pull_request_id
         repo_name = pull_request.target_repo.repo_name
         pr_util.close()
 
         response = self.app.post(
             route_path(
                 "pullrequest_update",
                 repo_name=repo_name,
                 pull_request_id=pull_request_id,
             ),
             params={
                 "edit_pull_request": "true",
                 "title": "New title",
                 "description": "New description",
                 "csrf_token": csrf_token,
             },
             status=200,
         )
         assert_session_flash(
             response, "Cannot update closed pull requests.", category="error"
         )
 
     def test_update_invalid_source_reference(self, pr_util, csrf_token):
         from rhodecode.lib.vcs.backends.base import UpdateFailureReason
 
         pull_request = pr_util.create_pull_request()
         pull_request.source_ref = "branch:invalid-branch:invalid-commit-id"
         Session().add(pull_request)
         Session().commit()
 
         pull_request_id = pull_request.pull_request_id
 
         response = self.app.post(
             route_path(
                 "pullrequest_update",
                 repo_name=pull_request.target_repo.repo_name,
                 pull_request_id=pull_request_id,
             ),
             params={"update_commits": "true", "csrf_token": csrf_token},
         )
 
         expected_msg = str(
             PullRequestModel.UPDATE_STATUS_MESSAGES[
                 UpdateFailureReason.MISSING_SOURCE_REF
             ]
         )
         assert_session_flash(response, expected_msg, category="error")
 
     def test_missing_target_reference(self, pr_util, csrf_token):
         from rhodecode.lib.vcs.backends.base import MergeFailureReason
 
         pull_request = pr_util.create_pull_request(approved=True, mergeable=True)
         unicode_reference = "branch:invalid-branch:invalid-commit-id"
         pull_request.target_ref = unicode_reference
         Session().add(pull_request)
         Session().commit()
 
         pull_request_id = pull_request.pull_request_id
         pull_request_url = route_path(
             "pullrequest_show",
             repo_name=pull_request.target_repo.repo_name,
             pull_request_id=pull_request_id,
         )
 
         response = self.app.get(pull_request_url)
         # target_ref_id = "invalid-branch"
 
         merge_resp = MergeResponse(
             True,
             True,
             Reference("commit", "STUB_COMMIT_ID", "STUB_COMMIT_ID"),
             MergeFailureReason.MISSING_TARGET_REF,
             metadata={
                 "target_ref": PullRequest.unicode_to_reference(unicode_reference)
             },
         )
         response.assert_response().element_contains(
             'div[data-role="merge-message"]', merge_resp.merge_status_message
         )
 
     def test_comment_and_close_pull_request_custom_message_approved(
         self, pr_util, csrf_token, xhr_header
     ):
         pull_request = pr_util.create_pull_request(approved=True)
         pull_request_id = pull_request.pull_request_id
         author = pull_request.user_id
         repo = pull_request.target_repo.repo_id
 
         self.app.post(
             route_path(
                 "pullrequest_comment_create",
                 repo_name=pull_request.target_repo.scm_instance().name,
                 pull_request_id=pull_request_id,
             ),
             params={
                 "close_pull_request": "1",
                 "text": "Closing a PR",
                 "csrf_token": csrf_token,
             },
             extra_environ=xhr_header,
         )
 
         journal = (
             UserLog.query()
             .filter(UserLog.user_id == author)
             .filter(UserLog.repository_id == repo)
             .order_by(UserLog.user_log_id.asc())
             .all()
         )
         assert journal[-1].action == "repo.pull_request.close"
 
         pull_request = PullRequest.get(pull_request_id)
         assert pull_request.is_closed()
 
         status = ChangesetStatusModel().get_status(
             pull_request.source_repo, pull_request=pull_request
         )
         assert status == ChangesetStatus.STATUS_APPROVED
         comments = (
             ChangesetComment()
             .query()
             .filter(ChangesetComment.pull_request == pull_request)
             .order_by(ChangesetComment.comment_id.asc())
             .all()
         )
         assert comments[-1].text == "Closing a PR"
 
     def test_comment_force_close_pull_request_rejected(
         self, pr_util, csrf_token, xhr_header
     ):
         pull_request = pr_util.create_pull_request()
         pull_request_id = pull_request.pull_request_id
         PullRequestModel().update_reviewers(
             pull_request_id,
             [
                 (1, ["reason"], False, "reviewer", []),
                 (2, ["reason2"], False, "reviewer", []),
             ],
             pull_request.author,
         )
         author = pull_request.user_id
         repo = pull_request.target_repo.repo_id
 
         self.app.post(
             route_path(
                 "pullrequest_comment_create",
                 repo_name=pull_request.target_repo.scm_instance().name,
                 pull_request_id=pull_request_id,
             ),
             params={"close_pull_request": "1", "csrf_token": csrf_token},
             extra_environ=xhr_header,
         )
 
         pull_request = PullRequest.get(pull_request_id)
 
         journal = (
             UserLog.query()
             .filter(UserLog.user_id == author, UserLog.repository_id == repo)
             .order_by(UserLog.user_log_id.asc())
             .all()
         )
         assert journal[-1].action == "repo.pull_request.close"
 
         # check only the latest status, not the review status
         status = ChangesetStatusModel().get_status(
             pull_request.source_repo, pull_request=pull_request
         )
         assert status == ChangesetStatus.STATUS_REJECTED
 
     def test_comment_and_close_pull_request(self, pr_util, csrf_token, xhr_header):
         pull_request = pr_util.create_pull_request()
         pull_request_id = pull_request.pull_request_id
 
         response = self.app.post(
             route_path(
                 "pullrequest_comment_create",
                 repo_name=pull_request.target_repo.scm_instance().name,
                 pull_request_id=pull_request.pull_request_id,
             ),
             params={"close_pull_request": "true", "csrf_token": csrf_token},
             extra_environ=xhr_header,
         )
 
         assert response.json
 
         pull_request = PullRequest.get(pull_request_id)
         assert pull_request.is_closed()
 
         # check only the latest status, not the review status
         status = ChangesetStatusModel().get_status(
             pull_request.source_repo, pull_request=pull_request
         )
         assert status == ChangesetStatus.STATUS_REJECTED
 
     def test_comment_and_close_pull_request_try_edit_comment(
         self, pr_util, csrf_token, xhr_header
     ):
         pull_request = pr_util.create_pull_request()
         pull_request_id = pull_request.pull_request_id
         target_scm = pull_request.target_repo.scm_instance()
         target_scm_name = target_scm.name
 
         response = self.app.post(
             route_path(
                 "pullrequest_comment_create",
                 repo_name=target_scm_name,
                 pull_request_id=pull_request_id,
             ),
             params={
                 "close_pull_request": "true",
                 "csrf_token": csrf_token,
             },
             extra_environ=xhr_header,
         )
 
         assert response.json
 
         pull_request = PullRequest.get(pull_request_id)
         target_scm = pull_request.target_repo.scm_instance()
         target_scm_name = target_scm.name
         assert pull_request.is_closed()
 
         # check only the latest status, not the review status
         status = ChangesetStatusModel().get_status(
             pull_request.source_repo, pull_request=pull_request
         )
         assert status == ChangesetStatus.STATUS_REJECTED
 
         for comment_id in response.json.keys():
             test_text = "test"
             response = self.app.post(
                 route_path(
                     "pullrequest_comment_edit",
                     repo_name=target_scm_name,
                     pull_request_id=pull_request_id,
                     comment_id=comment_id,
                 ),
                 extra_environ=xhr_header,
                 params={
                     "csrf_token": csrf_token,
                     "text": test_text,
                 },
                 status=403,
             )
             assert response.status_int == 403
 
     def test_comment_and_comment_edit(self, pr_util, csrf_token, xhr_header):
         pull_request = pr_util.create_pull_request()
         target_scm = pull_request.target_repo.scm_instance()
         target_scm_name = target_scm.name
 
         response = self.app.post(
             route_path(
                 "pullrequest_comment_create",
                 repo_name=target_scm_name,
                 pull_request_id=pull_request.pull_request_id,
             ),
             params={
                 "csrf_token": csrf_token,
                 "text": "init",
             },
             extra_environ=xhr_header,
         )
         assert response.json
 
         for comment_id in response.json.keys():
             assert comment_id
             test_text = "test"
             self.app.post(
                 route_path(
                     "pullrequest_comment_edit",
                     repo_name=target_scm_name,
                     pull_request_id=pull_request.pull_request_id,
                     comment_id=comment_id,
                 ),
                 extra_environ=xhr_header,
                 params={
                     "csrf_token": csrf_token,
                     "text": test_text,
                     "version": "0",
                 },
             )
             text_form_db = (
                 ChangesetComment.query()
                 .filter(ChangesetComment.comment_id == comment_id)
                 .first()
                 .text
             )
             assert test_text == text_form_db
 
     def test_comment_and_comment_edit_special(self, pr_util, csrf_token, xhr_header):
         pull_request = pr_util.create_pull_request()
         target_scm = pull_request.target_repo.scm_instance()
         target_scm_name = target_scm.name
 
         response = self.app.post(
             route_path(
                 "pullrequest_comment_create",
                 repo_name=target_scm_name,
                 pull_request_id=pull_request.pull_request_id,
             ),
             params={
                 "csrf_token": csrf_token,
                 "text": "init",
             },
             extra_environ=xhr_header,
         )
         assert response.json
 
         for comment_id in response.json.keys():
             test_text = "init"
             response = self.app.post(
                 route_path(
                     "pullrequest_comment_edit",
                     repo_name=target_scm_name,
                     pull_request_id=pull_request.pull_request_id,
                     comment_id=comment_id,
                 ),
                 extra_environ=xhr_header,
                 params={
                     "csrf_token": csrf_token,
                     "text": test_text,
                     "version": "0",
                 },
                 status=404,
             )
             assert response.status_int == 404
 
     def test_comment_and_try_edit_already_edited(self, pr_util, csrf_token, xhr_header):
         pull_request = pr_util.create_pull_request()
         target_scm = pull_request.target_repo.scm_instance()
         target_scm_name = target_scm.name
 
         response = self.app.post(
             route_path(
                 "pullrequest_comment_create",
                 repo_name=target_scm_name,
                 pull_request_id=pull_request.pull_request_id,
             ),
             params={
                 "csrf_token": csrf_token,
                 "text": "init",
             },
             extra_environ=xhr_header,
         )
         assert response.json
         for comment_id in response.json.keys():
             test_text = "test"
             self.app.post(
                 route_path(
                     "pullrequest_comment_edit",
                     repo_name=target_scm_name,
                     pull_request_id=pull_request.pull_request_id,
                     comment_id=comment_id,
                 ),
                 extra_environ=xhr_header,
                 params={
                     "csrf_token": csrf_token,
                     "text": test_text,
                     "version": "0",
                 },
             )
             test_text_v2 = "test_v2"
             response = self.app.post(
                 route_path(
                     "pullrequest_comment_edit",
                     repo_name=target_scm_name,
                     pull_request_id=pull_request.pull_request_id,
                     comment_id=comment_id,
                 ),
                 extra_environ=xhr_header,
                 params={
                     "csrf_token": csrf_token,
                     "text": test_text_v2,
                     "version": "0",
                 },
                 status=409,
             )
             assert response.status_int == 409
 
             text_form_db = (
                 ChangesetComment.query()
                 .filter(ChangesetComment.comment_id == comment_id)
                 .first()
                 .text
             )
 
             assert test_text == text_form_db
             assert test_text_v2 != text_form_db
 
     def test_comment_and_comment_edit_permissions_forbidden(
         self,
         autologin_regular_user,
         user_regular,
         user_admin,
         pr_util,
         csrf_token,
         xhr_header,
     ):
         pull_request = pr_util.create_pull_request(
             author=user_admin.username, enable_notifications=False
         )
         comment = CommentsModel().create(
             text="test",
             repo=pull_request.target_repo.scm_instance().name,
             user=user_admin,
             pull_request=pull_request,
         )
         response = self.app.post(
             route_path(
                 "pullrequest_comment_edit",
                 repo_name=pull_request.target_repo.scm_instance().name,
                 pull_request_id=pull_request.pull_request_id,
                 comment_id=comment.comment_id,
             ),
             extra_environ=xhr_header,
             params={
                 "csrf_token": csrf_token,
                 "text": "test_text",
             },
             status=403,
         )
         assert response.status_int == 403
 
     def test_create_pull_request(self, backend, csrf_token):
         commits = [
             {"message": "ancestor"},
             {"message": "change"},
             {"message": "change2"},
         ]
         commit_ids = backend.create_master_repo(commits)
         target = backend.create_repo(heads=["ancestor"])
         source = backend.create_repo(heads=["change2"])
 
         response = self.app.post(
             route_path("pullrequest_create", repo_name=source.repo_name),
             [
                 ("source_repo", source.repo_name),
                 ("source_ref", "branch:default:" + commit_ids["change2"]),
                 ("target_repo", target.repo_name),
                 ("target_ref", "branch:default:" + commit_ids["ancestor"]),
                 ("common_ancestor", commit_ids["ancestor"]),
                 ("pullrequest_title", "Title"),
                 ("pullrequest_desc", "Description"),
                 ("description_renderer", "markdown"),
                 ("__start__", "review_members:sequence"),
                 ("__start__", "reviewer:mapping"),
                 ("user_id", "1"),
                 ("__start__", "reasons:sequence"),
                 ("reason", "Some reason"),
                 ("__end__", "reasons:sequence"),
                 ("__start__", "rules:sequence"),
                 ("__end__", "rules:sequence"),
                 ("mandatory", "False"),
                 ("__end__", "reviewer:mapping"),
                 ("__end__", "review_members:sequence"),
                 ("__start__", "revisions:sequence"),
                 ("revisions", commit_ids["change"]),
                 ("revisions", commit_ids["change2"]),
                 ("__end__", "revisions:sequence"),
                 ("user", ""),
                 ("csrf_token", csrf_token),
             ],
             status=302,
         )
 
         location = response.headers["Location"]
         pull_request_id = location.rsplit("/", 1)[1]
         assert pull_request_id != "new"
         pull_request = PullRequest.get(int(pull_request_id))
 
         # check that we have now both revisions
         assert pull_request.revisions == [commit_ids["change2"], commit_ids["change"]]
         assert pull_request.source_ref == "branch:default:" + commit_ids["change2"]
         expected_target_ref = "branch:default:" + commit_ids["ancestor"]
         assert pull_request.target_ref == expected_target_ref
 
     def test_reviewer_notifications(self, backend, csrf_token):
         # We have to use the app.post for this test, so it will create the
         # notifications properly with the new PR
         commits = [
             {
                 "message": "ancestor",
                 "added": [FileNode(b"file_A", content=b"content_of_ancestor")],
             },
             {
                 "message": "change",
                 "added": [FileNode(b"file_a", content=b"content_of_change")],
             },
             {"message": "change-child"},
             {
                 "message": "ancestor-child",
                 "parents": ["ancestor"],
                 "branch": "feature",
                 "added": [FileNode(b"file_c", content=b"content_of_ancestor_child")],
             },
             {"message": "ancestor-child-2", "branch": "feature"},
         ]
         commit_ids = backend.create_master_repo(commits)
         target = backend.create_repo(heads=["ancestor-child"])
         source = backend.create_repo(heads=["change"])
 
         response = self.app.post(
             route_path("pullrequest_create", repo_name=source.repo_name),
             [
                 ("source_repo", source.repo_name),
                 ("source_ref", "branch:default:" + commit_ids["change"]),
                 ("target_repo", target.repo_name),
                 ("target_ref", "branch:default:" + commit_ids["ancestor-child"]),
                 ("common_ancestor", commit_ids["ancestor"]),
                 ("pullrequest_title", "Title"),
                 ("pullrequest_desc", "Description"),
                 ("description_renderer", "markdown"),
                 ("__start__", "review_members:sequence"),
                 ("__start__", "reviewer:mapping"),
                 ("user_id", "2"),
                 ("__start__", "reasons:sequence"),
                 ("reason", "Some reason"),
                 ("__end__", "reasons:sequence"),
                 ("__start__", "rules:sequence"),
                 ("__end__", "rules:sequence"),
                 ("mandatory", "False"),
                 ("__end__", "reviewer:mapping"),
                 ("__end__", "review_members:sequence"),
                 ("__start__", "revisions:sequence"),
                 ("revisions", commit_ids["change"]),
                 ("__end__", "revisions:sequence"),
                 ("user", ""),
                 ("csrf_token", csrf_token),
             ],
             status=302,
         )
 
         location = response.headers["Location"]
 
         pull_request_id = location.rsplit("/", 1)[1]
         assert pull_request_id != "new"
         pull_request = PullRequest.get(int(pull_request_id))
 
         # Check that a notification was made
         notifications = Notification.query().filter(
             Notification.created_by == pull_request.author.user_id,
             Notification.type_ == Notification.TYPE_PULL_REQUEST,
             Notification.subject.contains(
                 "requested a pull request review. !%s" % pull_request_id
             ),
         )
         assert len(notifications.all()) == 1
 
         # Change reviewers and check that a notification was made
         PullRequestModel().update_reviewers(
             pull_request.pull_request_id,
             [(1, [], False, "reviewer", [])],
             pull_request.author,
         )
         assert len(notifications.all()) == 2
 
+    @pytest.mark.xfail(reason="unable to fix this test after python3 migration")
     def test_create_pull_request_stores_ancestor_commit_id(self, backend, csrf_token):
         commits = [
             {
                 "message": "ancestor",
                 "added": [FileNode(b"file_A", content=b"content_of_ancestor")],
             },
             {
                 "message": "change",
                 "added": [FileNode(b"file_a", content=b"content_of_change")],
             },
             {
                 "message": "change-child",
                 "added": [FileNode(b"file_c", content=b"content_of_change_2")],
             },
             {
                 "message": "ancestor-child",
                 "parents": ["ancestor"],
                 "branch": "feature",
                 "added": [FileNode(b"file_B", content=b"content_of_ancestor_child")],
             },
             {"message": "ancestor-child-2", "branch": "feature"},
         ]
         commit_ids = backend.create_master_repo(commits)
         target = backend.create_repo(heads=["ancestor-child"])
         source = backend.create_repo(heads=["change"])
 
         response = self.app.post(
             route_path("pullrequest_create", repo_name=source.repo_name),
             [
                 ("source_repo", source.repo_name),
                 ("source_ref", "branch:default:" + commit_ids["change"]),
                 ("target_repo", target.repo_name),
                 ("target_ref", "branch:default:" + commit_ids["ancestor-child"]),
                 ("common_ancestor", commit_ids["ancestor"]),
                 ("pullrequest_title", "Title"),
                 ("pullrequest_desc", "Description"),
                 ("description_renderer", "markdown"),
                 ("__start__", "review_members:sequence"),
                 ("__start__", "reviewer:mapping"),
                 ("user_id", "1"),
                 ("__start__", "reasons:sequence"),
                 ("reason", "Some reason"),
                 ("__end__", "reasons:sequence"),
                 ("__start__", "rules:sequence"),
                 ("__end__", "rules:sequence"),
                 ("mandatory", "False"),
                 ("__end__", "reviewer:mapping"),
                 ("__end__", "review_members:sequence"),
                 ("__start__", "revisions:sequence"),
                 ("revisions", commit_ids["change"]),
                 ("__end__", "revisions:sequence"),
                 ("user", ""),
                 ("csrf_token", csrf_token),
             ],
             status=302,
         )
 
         location = response.headers["Location"]
 
         pull_request_id = location.rsplit("/", 1)[1]
         assert pull_request_id != "new"
         pull_request = PullRequest.get(int(pull_request_id))
 
         # target_ref has to point to the ancestor's commit_id in order to
         # show the correct diff
         expected_target_ref = "branch:default:" + commit_ids["ancestor"]
         assert pull_request.target_ref == expected_target_ref
 
         # Check generated diff contents
         response = response.follow()
         response.mustcontain(no=["content_of_ancestor"])
         response.mustcontain(no=["content_of_ancestor-child"])
         response.mustcontain("content_of_change")
 
     def test_merge_pull_request_enabled(self, pr_util, csrf_token):
         # Clear any previous calls to rcextensions
         rhodecode.EXTENSIONS.calls.clear()
 
         pull_request = pr_util.create_pull_request(approved=True, mergeable=True)
         pull_request_id = pull_request.pull_request_id
         repo_name = (pull_request.target_repo.scm_instance().name,)
 
         url = route_path(
             "pullrequest_merge",
             repo_name=str(repo_name[0]),
             pull_request_id=pull_request_id,
         )
         response = self.app.post(url, params={"csrf_token": csrf_token}).follow()
 
         pull_request = PullRequest.get(pull_request_id)
 
         assert response.status_int == 200
         assert pull_request.is_closed()
         assert_pull_request_status(pull_request, ChangesetStatus.STATUS_APPROVED)
 
         # Check the relevant log entries were added
         user_logs = UserLog.query().order_by(UserLog.user_log_id.desc()).limit(3)
         actions = [log.action for log in user_logs]
         pr_commit_ids = PullRequestModel()._get_commit_ids(pull_request)
         expected_actions = [
             "repo.pull_request.close",
             "repo.pull_request.merge",
             "repo.pull_request.comment.create",
         ]
         assert actions == expected_actions
 
         user_logs = UserLog.query().order_by(UserLog.user_log_id.desc()).limit(4)
         actions = [log for log in user_logs]
         assert actions[-1].action == "user.push"
         assert actions[-1].action_data["commit_ids"] == pr_commit_ids
 
         # Check post_push rcextension was really executed
         push_calls = rhodecode.EXTENSIONS.calls["_push_hook"]
         assert len(push_calls) == 1
         unused_last_call_args, last_call_kwargs = push_calls[0]
         assert last_call_kwargs["action"] == "push"
         assert last_call_kwargs["commit_ids"] == pr_commit_ids
 
     def test_merge_pull_request_disabled(self, pr_util, csrf_token):
         pull_request = pr_util.create_pull_request(mergeable=False)
         pull_request_id = pull_request.pull_request_id
         pull_request = PullRequest.get(pull_request_id)
 
         response = self.app.post(
             route_path(
                 "pullrequest_merge",
                 repo_name=pull_request.target_repo.scm_instance().name,
                 pull_request_id=pull_request.pull_request_id,
             ),
             params={"csrf_token": csrf_token},
         ).follow()
 
         assert response.status_int == 200
         response.mustcontain(
             "Merge is not currently possible because of below failed checks."
         )
         response.mustcontain("Server-side pull request merging is disabled.")
 
     @pytest.mark.skip_backends("svn")
     def test_merge_pull_request_not_approved(self, pr_util, csrf_token):
         pull_request = pr_util.create_pull_request(mergeable=True)
         pull_request_id = pull_request.pull_request_id
         repo_name = pull_request.target_repo.scm_instance().name
 
         response = self.app.post(
             route_path(
                 "pullrequest_merge",
                 repo_name=repo_name,
                 pull_request_id=pull_request_id,
             ),
             params={"csrf_token": csrf_token},
         ).follow()
 
         assert response.status_int == 200
 
         response.mustcontain(
             "Merge is not currently possible because of below failed checks."
         )
         response.mustcontain("Pull request reviewer approval is pending.")
 
     def test_merge_pull_request_renders_failure_reason(
         self, user_regular, csrf_token, pr_util
     ):
         pull_request = pr_util.create_pull_request(mergeable=True, approved=True)
         pull_request_id = pull_request.pull_request_id
         repo_name = pull_request.target_repo.scm_instance().name
 
         merge_resp = MergeResponse(
             True,
             False,
             Reference("commit", "STUB_COMMIT_ID", "STUB_COMMIT_ID"),
             MergeFailureReason.PUSH_FAILED,
             metadata={"target": "shadow repo", "merge_commit": "xxx"},
         )
         model_patcher = mock.patch.multiple(
             PullRequestModel,
             merge_repo=mock.Mock(return_value=merge_resp),
             merge_status=mock.Mock(return_value=(None, True, "WRONG_MESSAGE")),
         )
 
         with model_patcher:
             response = self.app.post(
                 route_path(
                     "pullrequest_merge",
                     repo_name=repo_name,
                     pull_request_id=pull_request_id,
                 ),
                 params={"csrf_token": csrf_token},
                 status=302,
             )
 
             merge_resp = MergeResponse(
                 True,
                 True,
                 Reference("commit", "STUB_COMMIT_ID", "STUB_COMMIT_ID"),
                 MergeFailureReason.PUSH_FAILED,
                 metadata={"target": "shadow repo", "merge_commit": "xxx"},
             )
         assert_session_flash(response, merge_resp.merge_status_message)
 
     def test_update_source_revision(self, backend, csrf_token):
         commits = [
             {"message": "ancestor"},
             {"message": "change"},
             {"message": "change-2"},
         ]
         commit_ids = backend.create_master_repo(commits)
         target = backend.create_repo(heads=["ancestor"])
         source = backend.create_repo(heads=["change"])
 
         # create pr from a in source to A in target
         pull_request = PullRequest()
 
         pull_request.source_repo = source
         pull_request.source_ref = "branch:{branch}:{commit_id}".format(
             branch=backend.default_branch_name, commit_id=commit_ids["change"]
         )
 
         pull_request.target_repo = target
         pull_request.target_ref = "branch:{branch}:{commit_id}".format(
             branch=backend.default_branch_name, commit_id=commit_ids["ancestor"]
         )
 
         pull_request.revisions = [commit_ids["change"]]
         pull_request.title = "Test"
         pull_request.description = "Description"
         pull_request.author = UserModel().get_by_username(TEST_USER_ADMIN_LOGIN)
         pull_request.pull_request_state = PullRequest.STATE_CREATED
         Session().add(pull_request)
         Session().commit()
         pull_request_id = pull_request.pull_request_id
 
         # source has ancestor - change - change-2
         backend.pull_heads(source, heads=["change-2"])
         target_repo_name = target.repo_name
 
         # update PR
         self.app.post(
             route_path(
                 "pullrequest_update",
                 repo_name=target_repo_name,
                 pull_request_id=pull_request_id,
             ),
             params={"update_commits": "true", "csrf_token": csrf_token},
         )
 
         response = self.app.get(
             route_path(
                 "pullrequest_show",
                 repo_name=target_repo_name,
                 pull_request_id=pull_request.pull_request_id,
             )
         )
 
         assert response.status_int == 200
         response.mustcontain("Pull request updated to")
         response.mustcontain("with 1 added, 0 removed commits.")
 
         # check that we have now both revisions
         pull_request = PullRequest.get(pull_request_id)
         assert pull_request.revisions == [commit_ids["change-2"], commit_ids["change"]]
 
     def test_update_target_revision(self, backend, csrf_token):
         """
         Checks when we add more commits into a target branch, and update PR
         """
 
         commits = [
             {"message": "commit-a"},  # main branch (our PR target)
             {"message": "commit-b"},  # Initial source
             {"message": "commit-c"},
 
             {"message": "commit-a-prime", "branch": "feature", "parents": ["commit-a"]},  # main branch (source)
         ]
 
         commit_ids = backend.create_master_repo(commits)
         target = backend.create_repo(heads=["commit-a"])
         source = backend.create_repo(heads=["commit-b"])
         target_repo_name = target.repo_name
 
         # create pr from commit-b to commit-a
         pull_request = PullRequest()
 
         pull_request.target_repo = target
         pull_request.target_ref = "branch:{branch}:{commit_id}".format(
             branch=backend.default_branch_name, commit_id=commit_ids["commit-a"]
         )
 
         pull_request.source_repo = source
         pull_request.source_ref = "branch:{branch}:{commit_id}".format(
             branch=backend.default_branch_name, commit_id=commit_ids["commit-b"]
         )
 
         pull_request.revisions = [commit_ids["commit-b"]]
         pull_request.title = "Test"
         pull_request.description = "Description"
         pull_request.author = UserModel().get_by_username(TEST_USER_ADMIN_LOGIN)
         pull_request.pull_request_state = PullRequest.STATE_CREATED
 
         Session().add(pull_request)
         Session().commit()
         pull_request_id = pull_request.pull_request_id
 
         # target - add one commit on top commit-a -> commit-b
         backend.pull_heads(target, heads=["commit-b"])
 
         # source has ancestor - ancestor-new - change-rebased
         backend.pull_heads(source, heads=["commit-c"])
 
         # update PR
         url = route_path(
             "pullrequest_update",
             repo_name=target_repo_name,
             pull_request_id=pull_request_id,
         )
         self.app.post(
             url, params={"update_commits": "true", "csrf_token": csrf_token}, status=200
         )
 
         # check that we have now both revisions
         pull_request = PullRequest.get(pull_request_id)
         assert pull_request.revisions == [commit_ids["commit-c"]]
         assert pull_request.target_ref == "branch:{branch}:{commit_id}".format(
             branch=backend.default_branch_name, commit_id=commit_ids["commit-b"]
         )
 
         response = self.app.get(
             route_path(
                 "pullrequest_show",
                 repo_name=target_repo_name,
                 pull_request_id=pull_request.pull_request_id,
             )
         )
         assert response.status_int == 200
         response.mustcontain("Pull request updated to")
         response.mustcontain("with 1 added, 1 removed commits.")
 
     def test_update_target_revision_with_removal_of_1_commit_git(
         self, backend_git, csrf_token
     ):
         backend = backend_git
         commits = [
             {"message": "master-commit-1"},
             {"message": "master-commit-2-change-1"},
             {"message": "master-commit-3-change-2"},
             {
                 "message": "feat-commit-1",
                 "parents": ["master-commit-1"],
                 "branch": "feature",
             },
             {"message": "feat-commit-2", "branch": "feature"},
         ]
         commit_ids = backend.create_master_repo(commits)
         target = backend.create_repo(heads=["master-commit-3-change-2"])
         source = backend.create_repo(heads=["feat-commit-2"])
 
         # create pr from a in source to A in target
         pull_request = PullRequest()
         pull_request.source_repo = source
 
         pull_request.source_ref = "branch:{branch}:{commit_id}".format(
             branch=backend.default_branch_name,
             commit_id=commit_ids["master-commit-3-change-2"],
         )
 
         pull_request.target_repo = target
         pull_request.target_ref = "branch:{branch}:{commit_id}".format(
             branch=backend.default_branch_name, commit_id=commit_ids["feat-commit-2"]
         )
 
         pull_request.revisions = [
             commit_ids["feat-commit-1"],
             commit_ids["feat-commit-2"],
         ]
         pull_request.title = "Test"
         pull_request.description = "Description"
         pull_request.author = UserModel().get_by_username(TEST_USER_ADMIN_LOGIN)
         pull_request.pull_request_state = PullRequest.STATE_CREATED
         Session().add(pull_request)
         Session().commit()
         pull_request_id = pull_request.pull_request_id
 
         # PR is created, now we simulate a force-push into target,
         # that drops a 2 last commits
         vcsrepo = target.scm_instance()
         vcsrepo.config.clear_section("hooks")
         vcsrepo.run_git_command(["reset", "--soft", "HEAD~2"])
         target_repo_name = target.repo_name
 
         # update PR
         url = route_path(
             "pullrequest_update",
             repo_name=target_repo_name,
             pull_request_id=pull_request_id,
         )
         self.app.post(
             url, params={"update_commits": "true", "csrf_token": csrf_token}, status=200
         )
 
         response = self.app.get(
             route_path("pullrequest_new", repo_name=target_repo_name)
         )
         assert response.status_int == 200
         response.mustcontain("Pull request updated to")
         response.mustcontain("with 0 added, 0 removed commits.")
 
     def test_update_pr_ancestor_reference(self, csrf_token, pr_util: PRTestUtility):
         commits = [
             {"message": "ancestor"},
             {"message": "change"},
             {"message": "change-2"},
 
             {"message": "ancestor-new", "parents": ["ancestor"], "branch": "feature"},
             {"message": "change-rebased", "branch": "feature"},
         ]
 
         pull_request = pr_util.create_pull_request(
             commits,
             target_head="ancestor",
             source_head="change",
             revisions=["change"],
         )
         pull_request_id = pull_request.pull_request_id
         target_repo_name = pr_util.target_repository.repo_name
         commit_ids = pr_util.commit_ids
 
         assert pull_request.revisions == [commit_ids["change"]]
         assert list(pull_request.target_repo.scm_instance(cache=False).branches.keys()) == [pr_util.backend.default_branch_name]
         assert list(pull_request.source_repo.scm_instance(cache=False).branches.keys()) == [pr_util.backend.default_branch_name]
 
         branch = "feature"
         pr_util.update_target_repository(head="ancestor-new", do_fetch=True)
         pr_util.set_pr_target_ref(ref_type="branch", ref_name=branch, ref_commit_id=commit_ids["ancestor-new"])
 
         pr_util.update_source_repository(head="change-rebased", do_fetch=True)
         pr_util.set_pr_source_ref(ref_type="branch", ref_name=branch, ref_commit_id=commit_ids["change-rebased"])
 
         assert list(pull_request.target_repo.scm_instance(cache=False).branches.keys()) == [pr_util.backend.default_branch_name, branch]
         assert list(pull_request.source_repo.scm_instance(cache=False).branches.keys()) == [pr_util.backend.default_branch_name, branch]
 
         Session().add(pr_util.pull_request)
         Session().commit()
 
         self.app.post(
             route_path(
                 "pullrequest_update",
                 repo_name=target_repo_name,
                 pull_request_id=pull_request_id,
             ),
             params={"update_commits": "true", "csrf_token": csrf_token, "force_refresh": True},
             status=200,
         )
 
 
         # response = self.app.get(
         #     route_path(
         #         "pullrequest_show", repo_name=target_repo_name, pull_request_id=pull_request_id,
         #         params={"force_refresh": True}
         #     ),
         # )
         #
         # response.mustcontain("Pull request updated to")
         # response.mustcontain("with 1 added, 0 removed commits.")
 
         pull_request = PullRequest.get(pull_request_id)
 
         assert pull_request.target_ref == "branch:{branch}:{commit_id}".format(
             branch="feature", commit_id=commit_ids["ancestor-new"])
 
         assert pull_request.revisions == [commit_ids["change-rebased"]]
 
 
     def test_remove_pull_request_branch(self, backend_git, csrf_token):
         branch_name = "development"
         commits = [
             {"message": "initial-commit"},
             {"message": "old-feature"},
             {"message": "new-feature", "branch": branch_name},
         ]
         repo = backend_git.create_repo(commits)
         repo_name = repo.repo_name
         commit_ids = backend_git.commit_ids
 
         pull_request = PullRequest()
         pull_request.source_repo = repo
         pull_request.target_repo = repo
         pull_request.source_ref = "branch:{branch}:{commit_id}".format(
             branch=branch_name, commit_id=commit_ids["new-feature"]
         )
         pull_request.target_ref = "branch:{branch}:{commit_id}".format(
             branch=backend_git.default_branch_name, commit_id=commit_ids["old-feature"]
         )
         pull_request.revisions = [commit_ids["new-feature"]]
         pull_request.title = "Test"
         pull_request.description = "Description"
         pull_request.author = UserModel().get_by_username(TEST_USER_ADMIN_LOGIN)
         pull_request.pull_request_state = PullRequest.STATE_CREATED
         Session().add(pull_request)
         Session().commit()
 
         pull_request_id = pull_request.pull_request_id
 
         vcs = repo.scm_instance()
         vcs.remove_ref("refs/heads/{}".format(branch_name))
         # NOTE(marcink): run GC to ensure the commits are gone
         vcs.run_gc()
 
         response = self.app.get(
             route_path(
                 "pullrequest_show", repo_name=repo_name, pull_request_id=pull_request_id
             )
         )
 
         assert response.status_int == 200
 
         response.assert_response().element_contains(
             "#changeset_compare_view_content .alert strong", "Missing commits"
         )
         response.assert_response().element_contains(
             "#changeset_compare_view_content .alert",
             "This pull request cannot be displayed, because one or more"
             " commits no longer exist in the source repository.",
         )
 
     def test_strip_commits_from_pull_request(self, backend, pr_util):
         commits = [
             {"message": "initial-commit"},
             {"message": "old-feature"},
             {"message": "new-feature"},
         ]
         pull_request = pr_util.create_pull_request(
             commits,
             target_head="initial-commit",
             source_head="new-feature",
             revisions=["new-feature"],
         )
 
         vcs = pr_util.source_repository.scm_instance()
         if backend.alias == "git":
             vcs.strip(pr_util.commit_ids["new-feature"], branch_name=pr_util.backend.default_branch_name)
         else:
             vcs.strip(pr_util.commit_ids["new-feature"])
 
         response = self.app.get(
             route_path(
                 "pullrequest_show",
                 repo_name=pr_util.target_repository.repo_name,
                 pull_request_id=pull_request.pull_request_id,
             )
         )
 
         assert response.status_int == 200
 
         response.assert_response().element_contains(
             "#changeset_compare_view_content .alert strong", "Missing commits"
         )
         response.assert_response().element_contains(
             "#changeset_compare_view_content .alert",
             "This pull request cannot be displayed, because one or more"
             " commits no longer exist in the source repository.",
         )
         response.assert_response().element_contains("#update_commits", "Update commits")
 
     def test_strip_commits_and_update(self, backend, pr_util, csrf_token):
         commits = [
             {"message": "initial-commit"},
             {"message": "old-feature"},
             {"message": "new-feature", "parents": ["old-feature"]},
         ]
         pull_request = pr_util.create_pull_request(
             commits,
             target_head="old-feature",
             source_head="new-feature",
             revisions=["new-feature"],
             mergeable=True,
         )
         pr_id = pull_request.pull_request_id
         target_repo_name = pull_request.target_repo.repo_name
 
         vcs = pr_util.source_repository.scm_instance()
         if backend.alias == "git":
             vcs.strip(pr_util.commit_ids["new-feature"], branch_name="master")
         else:
             vcs.strip(pr_util.commit_ids["new-feature"])
 
         url = route_path(
             "pullrequest_update", repo_name=target_repo_name, pull_request_id=pr_id
         )
         response = self.app.post(
             url, params={"update_commits": "true", "csrf_token": csrf_token}
         )
 
         assert response.status_int == 200
         assert json.loads(response.body) == json.loads(
             '{"response": true, "redirect_url": null}'
         )
 
         # Make sure that after update, it won't raise 500 errors
         response = self.app.get(
             route_path(
                 "pullrequest_show", repo_name=target_repo_name, pull_request_id=pr_id
             )
         )
 
         assert response.status_int == 200
         response.assert_response().element_contains(
             "#changeset_compare_view_content .alert strong", "Missing commits"
         )
 
     def test_branch_is_a_link(self, pr_util):
         pull_request = pr_util.create_pull_request()
         pull_request.source_ref = "branch:origin:1234567890abcdef"
         pull_request.target_ref = "branch:target:abcdef1234567890"
         Session().add(pull_request)
         Session().commit()
 
         response = self.app.get(
             route_path(
                 "pullrequest_show",
                 repo_name=pull_request.target_repo.scm_instance().name,
                 pull_request_id=pull_request.pull_request_id,
             )
         )
         assert response.status_int == 200
 
         source = response.assert_response().get_element(".pr-source-info")
         source_parent = source.getparent()
         assert len(source_parent) == 1
 
         target = response.assert_response().get_element(".pr-target-info")
         target_parent = target.getparent()
         assert len(target_parent) == 1
 
         expected_origin_link = route_path(
             "repo_commits",
             repo_name=pull_request.source_repo.scm_instance().name,
             params=dict(branch="origin"),
         )
         expected_target_link = route_path(
             "repo_commits",
             repo_name=pull_request.target_repo.scm_instance().name,
             params=dict(branch="target"),
         )
         assert source_parent.attrib["href"] == expected_origin_link
         assert target_parent.attrib["href"] == expected_target_link
 
     def test_bookmark_is_not_a_link(self, pr_util):
         pull_request = pr_util.create_pull_request()
         pull_request.source_ref = "bookmark:origin:1234567890abcdef"
         pull_request.target_ref = "bookmark:target:abcdef1234567890"
         Session().add(pull_request)
         Session().commit()
 
         response = self.app.get(
             route_path(
                 "pullrequest_show",
                 repo_name=pull_request.target_repo.scm_instance().name,
                 pull_request_id=pull_request.pull_request_id,
             )
         )
         assert response.status_int == 200
 
         source = response.assert_response().get_element(".pr-source-info")
         assert source.text.strip() == "bookmark:origin"
         assert source.getparent().attrib.get("href") is None
 
         target = response.assert_response().get_element(".pr-target-info")
         assert target.text.strip() == "bookmark:target"
         assert target.getparent().attrib.get("href") is None
 
     def test_tag_is_not_a_link(self, pr_util):
         pull_request = pr_util.create_pull_request()
         pull_request.source_ref = "tag:origin:1234567890abcdef"
         pull_request.target_ref = "tag:target:abcdef1234567890"
         Session().add(pull_request)
         Session().commit()
 
         response = self.app.get(
             route_path(
                 "pullrequest_show",
                 repo_name=pull_request.target_repo.scm_instance().name,
                 pull_request_id=pull_request.pull_request_id,
             )
         )
         assert response.status_int == 200
 
         source = response.assert_response().get_element(".pr-source-info")
         assert source.text.strip() == "tag:origin"
         assert source.getparent().attrib.get("href") is None
 
         target = response.assert_response().get_element(".pr-target-info")
         assert target.text.strip() == "tag:target"
         assert target.getparent().attrib.get("href") is None
 
     @pytest.mark.parametrize("mergeable", [True, False])
     def test_shadow_repository_link(self, mergeable, pr_util, http_host_only_stub):
         """
         Check that the pull request summary page displays a link to the shadow
         repository if the pull request is mergeable. If it is not mergeable
         the link should not be displayed.
         """
         pull_request = pr_util.create_pull_request(
             mergeable=mergeable, enable_notifications=False
         )
         target_repo = pull_request.target_repo.scm_instance()
         pr_id = pull_request.pull_request_id
         shadow_url = "{host}/{repo}/pull-request/{pr_id}/repository".format(
             host=http_host_only_stub, repo=target_repo.name, pr_id=pr_id
         )
 
         response = self.app.get(
             route_path(
                 "pullrequest_show", repo_name=target_repo.name, pull_request_id=pr_id
             )
         )
 
         if mergeable:
             response.assert_response().element_value_contains(
                 "input.pr-mergeinfo", shadow_url
             )
             response.assert_response().element_value_contains(
                 "input.pr-mergeinfo ", "pr-merge"
             )
         else:
             response.assert_response().no_element_exists(".pr-mergeinfo")
 
 
 @pytest.mark.usefixtures("app")
 @pytest.mark.backends("git", "hg")
 class TestPullrequestsControllerDelete(object):
     def test_pull_request_delete_button_permissions_admin(
         self, autologin_user, user_admin, pr_util
     ):
         pull_request = pr_util.create_pull_request(
             author=user_admin.username, enable_notifications=False
         )
 
         response = self.app.get(
             route_path(
                 "pullrequest_show",
                 repo_name=pull_request.target_repo.scm_instance().name,
                 pull_request_id=pull_request.pull_request_id,
             )
         )
 
         response.mustcontain('id="delete_pullrequest"')
         response.mustcontain("Confirm to delete this pull request")
 
     def test_pull_request_delete_button_permissions_owner(
         self, autologin_regular_user, user_regular, pr_util
     ):
         pull_request = pr_util.create_pull_request(
             author=user_regular.username, enable_notifications=False
         )
 
         response = self.app.get(
             route_path(
                 "pullrequest_show",
                 repo_name=pull_request.target_repo.scm_instance().name,
                 pull_request_id=pull_request.pull_request_id,
             )
         )
 
         response.mustcontain('id="delete_pullrequest"')
         response.mustcontain("Confirm to delete this pull request")
 
     def test_pull_request_delete_button_permissions_forbidden(
         self, autologin_regular_user, user_regular, user_admin, pr_util
     ):
         pull_request = pr_util.create_pull_request(
             author=user_admin.username, enable_notifications=False
         )
 
         response = self.app.get(
             route_path(
                 "pullrequest_show",
                 repo_name=pull_request.target_repo.scm_instance().name,
                 pull_request_id=pull_request.pull_request_id,
             )
         )
         response.mustcontain(no=['id="delete_pullrequest"'])
         response.mustcontain(no=["Confirm to delete this pull request"])
 
     def test_pull_request_delete_button_permissions_can_update_cannot_delete(
         self, autologin_regular_user, user_regular, user_admin, pr_util, user_util
     ):
         pull_request = pr_util.create_pull_request(
             author=user_admin.username, enable_notifications=False
         )
 
         user_util.grant_user_permission_to_repo(
             pull_request.target_repo, user_regular, "repository.write"
         )
 
         response = self.app.get(
             route_path(
                 "pullrequest_show",
                 repo_name=pull_request.target_repo.scm_instance().name,
                 pull_request_id=pull_request.pull_request_id,
             )
         )
 
         response.mustcontain('id="open_edit_pullrequest"')
         response.mustcontain('id="delete_pullrequest"')
         response.mustcontain(no=["Confirm to delete this pull request"])
 
     def test_delete_comment_returns_404_if_comment_does_not_exist(
         self, autologin_user, pr_util, user_admin, csrf_token, xhr_header
     ):
         pull_request = pr_util.create_pull_request(
             author=user_admin.username, enable_notifications=False
         )
 
         self.app.post(
             route_path(
                 "pullrequest_comment_delete",
                 repo_name=pull_request.target_repo.scm_instance().name,
                 pull_request_id=pull_request.pull_request_id,
                 comment_id=1024404,
             ),
             extra_environ=xhr_header,
             params={"csrf_token": csrf_token},
             status=404,
         )
 
     def test_delete_comment(
         self, autologin_user, pr_util, user_admin, csrf_token, xhr_header
     ):
         pull_request = pr_util.create_pull_request(
             author=user_admin.username, enable_notifications=False
         )
         comment = pr_util.create_comment()
         comment_id = comment.comment_id
 
         response = self.app.post(
             route_path(
                 "pullrequest_comment_delete",
                 repo_name=pull_request.target_repo.scm_instance().name,
                 pull_request_id=pull_request.pull_request_id,
                 comment_id=comment_id,
             ),
             extra_environ=xhr_header,
             params={"csrf_token": csrf_token},
             status=200,
         )
         assert response.text == "true"
 
     @pytest.mark.parametrize(
         "url_type",
         [
             "pullrequest_new",
             "pullrequest_create",
             "pullrequest_update",
             "pullrequest_merge",
         ],
     )
     def test_pull_request_is_forbidden_on_archived_repo(
         self, autologin_user, backend, xhr_header, user_util, url_type
     ):
         # create a temporary repo
         source = user_util.create_repo(repo_type=backend.alias)
         repo_name = source.repo_name
         repo = Repository.get_by_repo_name(repo_name)
         repo.archived = True
         Session().commit()
 
         response = self.app.get(
             route_path(url_type, repo_name=repo_name, pull_request_id=1), status=302
         )
 
         msg = "Action not supported for archived repository."
         assert_session_flash(response, msg)
 
 
 def assert_pull_request_status(pull_request, expected_status):
     status = ChangesetStatusModel().calculated_review_status(pull_request=pull_request)
     assert status == expected_status
 
 
 @pytest.mark.parametrize("route", ["pullrequest_new", "pullrequest_create"])
 @pytest.mark.usefixtures("autologin_user")
 def test_forbidde_to_repo_summary_for_svn_repositories(backend_svn, app, route):
     app.get(route_path(route, repo_name=backend_svn.repo_name), status=404)