# -*- coding: utf-8 -*- # Copyright (C) 2010-2017 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/ """ Tests of :mod:`rhodecode.lib.diffs` around the context of a specific line. """ import textwrap import pytest from rhodecode.lib import diffs from rhodecode.lib.vcs.backends.git.diff import GitDiff def test_context_of_new_and_old_line_number_raises(diff_processor): with pytest.raises(ValueError): diff_processor.get_context_of_line( path='file.txt', diff_line=diffs.DiffLineNumber(old=7, new=7)) def test_context_of_an_old_line_number(diff_processor): context = diff_processor.get_context_of_line( path='file.txt', diff_line=diffs.DiffLineNumber(old=7, new=None)) expected_context = [ ('unmod', 'line04\n'), ('unmod', 'line05\n'), ('unmod', 'line06\n'), ('unmod', 'line07\n'), ('add', 'line07a Add after line07\n'), ('unmod', 'line08\n'), ('unmod', 'line09\n'), ] assert context == expected_context def test_context_of_a_new_line_number(diff_processor): context = diff_processor.get_context_of_line( path='file.txt', diff_line=diffs.DiffLineNumber(old=None, new=8)) expected_context = [ ('unmod', 'line05\n'), ('unmod', 'line06\n'), ('unmod', 'line07\n'), ('add', 'line07a Add after line07\n'), ('unmod', 'line08\n'), ('unmod', 'line09\n'), ('unmod', 'line10\n'), ] assert context == expected_context def test_context_of_an_invisible_line_beginning_of_hunk(diff_processor): # Note: The caller has to pass in a diff which is suitable to satisfy # its requirements. This test just ensures that we see a sane behavior. context = diff_processor.get_context_of_line( path='file.txt', diff_line=diffs.DiffLineNumber(old=None, new=3)) expected_context = [ ('unmod', 'line02\n'), ('unmod', 'line03\n'), ('unmod', 'line04\n'), ('unmod', 'line05\n'), ('unmod', 'line06\n'), ] assert context == expected_context def test_context_of_an_invisible_line_end_of_hunk(diff_processor): # Note: The caller has to pass in a diff which is suitable to satisfy # its requirements. This test just ensures that we see a sane behavior. context = diff_processor.get_context_of_line( path='file.txt', diff_line=diffs.DiffLineNumber(old=12, new=None)) expected_context = [ ('unmod', 'line09\n'), ('unmod', 'line10\n'), ('unmod', 'line11\n'), ('unmod', 'line12\n'), ('unmod', 'line13\n'), ] assert context == expected_context @pytest.mark.parametrize('diff_fixture', ['change-in-beginning.diff']) def test_context_of_an_incomplete_hunk_in_the_beginning(diff_processor): context = diff_processor.get_context_of_line( path='file.txt', diff_line=diffs.DiffLineNumber(old=None, new=2)) expected_context = [ ('unmod', 'line01\n'), ('add', 'line01a Add line after line01\n'), ('unmod', 'line02\n'), ('unmod', 'line03\n'), ('unmod', 'line04\n'), ] assert context == expected_context @pytest.mark.parametrize('diff_fixture', ['change-in-end.diff']) def test_context_of_an_incomplete_hunk_in_the_end(diff_processor): context = diff_processor.get_context_of_line( path='file.txt', diff_line=diffs.DiffLineNumber(old=None, new=80)) expected_context = [ ('unmod', 'line36\n'), ('unmod', 'line37\n'), ('unmod', 'line38\n'), ('add', 'line38a Add line after line38\n'), ('unmod', 'line39\n'), ] assert context == expected_context @pytest.mark.parametrize('diff_fixture', [ 'single-line.diff', 'single-line-two-files.diff', ]) def test_appends_newline_for_each_context_line(diff_processor): context = diff_processor.get_context_of_line( path='file_b', diff_line=diffs.DiffLineNumber(old=None, new=1)) assert context == [('add', 'test_content\n')] def test_context_of_a_missing_line_raises(diff_processor): missing_line = 20 with pytest.raises(diffs.LineNotInDiffException): diff_processor.get_context_of_line( path='file.txt', diff_line=diffs.DiffLineNumber(old=None, new=missing_line)) def test_context_of_a_missing_file_raises(diff_processor): with pytest.raises(diffs.FileNotInDiffException): diff_processor.get_context_of_line( path='not_existing_file.txt', diff_line=diffs.DiffLineNumber(old=None, new=8)) def test_find_context_with_full_context(diff_processor): context_of_line_7 = [ ('unmod', 'line05\n'), ('unmod', 'line06\n'), ('unmod', 'line07\n'), ('add', 'line07a Add after line07\n'), ('unmod', 'line08\n'), ('unmod', 'line09\n'), ('unmod', 'line10\n'), ] found_line = diff_processor.find_context( 'file.txt', context_of_line_7, offset=3) assert found_line == [diffs.DiffLineNumber(old=None, new=8)] @pytest.mark.parametrize('diff_fixture', ['change-duplicated.diff']) def test_find_context_multiple_times(diff_processor): context = [ ('unmod', 'line04\n'), ('unmod', 'line05\n'), ('unmod', 'line06\n'), ('add', 'line06a add line\n'), ('unmod', 'line07\n'), ('unmod', 'line08\n'), ('unmod', 'line09\n'), ] found_line = diff_processor.find_context('file.txt', context, offset=3) assert found_line == [ diffs.DiffLineNumber(old=None, new=7), diffs.DiffLineNumber(old=None, new=49), ] @pytest.mark.parametrize('offset', [20, -20, -1, 7]) def test_find_context_offset_param_raises(diff_processor, offset): context_of_line_7 = [ ('unmod', 'line04\n'), ('unmod', 'line05\n'), ('unmod', 'line06\n'), ('unmod', 'line07\n'), ('add', 'line07a Add after line07\n'), ('unmod', 'line08\n'), ('unmod', 'line09\n'), ] with pytest.raises(ValueError): diff_processor.find_context( 'file.txt', context_of_line_7, offset=offset) def test_find_context_beginning_of_chunk(diff_processor): context_of_first_line = [ ('unmod', 'line02\n'), ('unmod', 'line03\n'), ('unmod', 'line04\n'), ('unmod', 'line05\n'), ] found_line = diff_processor.find_context( 'file.txt', context_of_first_line, offset=0) assert found_line == [diffs.DiffLineNumber(old=2, new=2)] @pytest.mark.parametrize('diff_fixture', ['change-in-beginning.diff']) def test_find_context_beginning_of_file(diff_processor): context_of_first_line = [ ('add', 'line01a Add line after line01\n'), ('unmod', 'line02\n'), ('unmod', 'line03\n'), ('unmod', 'line04\n'), ('unmod', 'line05\n'), ('unmod', 'line06\n'), ('unmod', 'line07\n'), ] found_line = diff_processor.find_context( 'file.txt', context_of_first_line, offset=3) assert found_line == [diffs.DiffLineNumber(old=4, new=5)] def test_find_context_end_of_chunk(diff_processor): context_of_last_line = [ ('unmod', 'line10\n'), ('unmod', 'line11\n'), ('unmod', 'line12\n'), ('unmod', 'line13\n'), ] found_line = diff_processor.find_context( 'file.txt', context_of_last_line, offset=3) assert found_line == [diffs.DiffLineNumber(old=13, new=14)] @pytest.fixture def diff_processor(request, diff_fixture): raw_diff = diffs_store[diff_fixture] diff = GitDiff(raw_diff) processor = diffs.DiffProcessor(diff) processor.prepare() return processor @pytest.fixture def diff_fixture(): return 'default.diff' diff_default = textwrap.dedent(""" diff --git a/file.txt b/file.txt index 76e4f2e..6f8738f 100644 --- a/file.txt +++ b/file.txt @@ -2,12 +2,13 @@ line01 line02 line03 line04 line05 line06 line07 +line07a Add after line07 line08 line09 line10 line11 line12 line13 """) diff_beginning = textwrap.dedent(""" diff --git a/file.txt b/file.txt index 76e4f2e..47d39f4 100644 --- a/file.txt +++ b/file.txt @@ -1,7 +1,8 @@ line01 +line01a Add line after line01 line02 line03 line04 line05 line06 line07 """) diff_end = textwrap.dedent(""" diff --git a/file.txt b/file.txt index 76e4f2e..b1304db 100644 --- a/file.txt +++ b/file.txt @@ -74,7 +74,8 @@ line32 line33 line34 line35 line36 line37 line38 +line38a Add line after line38 line39 """) diff_duplicated_change = textwrap.dedent(""" diff --git a/file.txt b/file.txt index 76e4f2e..55c2781 100644 --- a/file.txt +++ b/file.txt @@ -1,12 +1,13 @@ line01 line02 line03 line04 line05 line06 +line06a add line line07 line08 line09 line10 line11 line12 @@ -42,12 +43,13 @@ line39 line01 line02 line03 line04 line05 line06 +line06a add line line07 line08 line09 line10 line11 line12 """) diff_single_line = textwrap.dedent(""" diff --git a/file_b b/file_b new file mode 100644 index 00000000..915e94ff --- /dev/null +++ b/file_b @@ -0,0 +1 @@ +test_content """) diff_single_line_two_files = textwrap.dedent(""" diff --git a/file_b b/file_b new file mode 100644 index 00000000..915e94ff --- /dev/null +++ b/file_b @@ -0,0 +1 @@ +test_content diff --git a/file_c b/file_c new file mode 100644 index 00000000..915e94ff --- /dev/null +++ b/file_c @@ -0,0 +1 @@ +test_content """) diffs_store = { 'default.diff': diff_default, 'change-in-beginning.diff': diff_beginning, 'change-in-end.diff': diff_end, 'change-duplicated.diff': diff_duplicated_change, 'single-line.diff': diff_single_line, 'single-line-two-files.diff': diff_single_line_two_files, }