upstream/mercurial-mirror Files · tests/test-committer.t

run-tests: mechanism to report exceptions during test execution...

run-tests: mechanism to report exceptions during test execution Sometimes when running tests you introduce a ton of exceptions. The most extreme example of this is running Mercurial with Python 3, which currently spews thousands of exceptions when running the test harness. This commit adds an opt-in feature to run-tests.py to aggregate exceptions encountered by `hg` when running tests. When --exceptions is used, the test harness enables the "logexceptions" extension in the test environment. This extension wraps the Mercurial function to handle exceptions and writes information about the exception to a random filename in a directory defined by the test harness via an environment variable. At the end of the test harness, these files are parsed, aggregated, and a list of all unique Mercurial frames triggering exceptions is printed in order of frequency. This feature is intended to aid Python 3 development. I've only really tested it on Python 3. There is no shortage of improvements that could be made. e.g. we could write a separate file containing the exception report - maybe even an HTML report. We also don't capture which tests demonstrate the exceptions, so there's no turnkey way to test whether a code change made an exception disappear. Perfect is the enemy of good. I think the current patch is useful enough to land. Whoever uses it can send patches to imprve its usefulness. Differential Revision: https://phab.mercurial-scm.org/D1477

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        $ unset HGUSER

        $ EMAIL="My Name <myname@example.com>"

        $ export EMAIL

        $ hg init test

        $ cd test

        $ touch asdf

        $ hg add asdf

        $ hg commit -m commit-1

        $ hg tip

        changeset:   0:53f268a58230

        tag:         tip

        user:        My Name <myname@example.com>

        date:        Thu Jan 01 00:00:00 1970 +0000

        summary:     commit-1

        $ unset EMAIL

        $ echo 1234 > asdf

        $ hg commit -u "foo@bar.com" -m commit-1

        $ hg tip

        changeset:   1:3871b2a9e9bf

        tag:         tip

        user:        foo@bar.com

        date:        Thu Jan 01 00:00:00 1970 +0000

        summary:     commit-1

        $ echo "[ui]" >> .hg/hgrc

        $ echo "username = foobar <foo@bar.com>" >> .hg/hgrc

        $ echo 12 > asdf

        $ hg commit -m commit-1

        $ hg tip

        changeset:   2:8eeac6695c1c

        tag:         tip

        user:        foobar <foo@bar.com>

        date:        Thu Jan 01 00:00:00 1970 +0000

        summary:     commit-1

        $ echo 1 > asdf

        $ hg commit -u "foo@bar.com" -m commit-1

        $ hg tip

        changeset:   3:957606a725e4

        tag:         tip

        user:        foo@bar.com

        date:        Thu Jan 01 00:00:00 1970 +0000

        summary:     commit-1

        $ echo 123 > asdf

        $ echo "[ui]" > .hg/hgrc

        $ echo "username = " >> .hg/hgrc

        $ hg commit -m commit-1

        abort: no username supplied

        (use 'hg config --edit' to set your username)

        [255]

      # test alternate config var

        $ echo 1234 > asdf

        $ echo "[ui]" > .hg/hgrc

        $ echo "user = Foo Bar II <foo2@bar.com>" >> .hg/hgrc

        $ hg commit -m commit-1

        $ hg tip

        changeset:   4:6f24bfb4c617

        tag:         tip

        user:        Foo Bar II <foo2@bar.com>

        date:        Thu Jan 01 00:00:00 1970 +0000

        summary:     commit-1

      # test prompt username

        $ cat > .hg/hgrc <<EOF

        > [ui]

        > askusername = True

        > EOF

        $ echo 12345 > asdf

        $ hg commit --config ui.interactive=False -m ask

        enter a commit username: 

        no username found, using '[^']*' instead (re)

        $ hg rollback -q

        $ hg commit --config ui.interactive=True -m ask <<EOF

        > Asked User <ask@example.com>

        > EOF

        enter a commit username: Asked User <ask@example.com>

        $ hg tip

        changeset:   5:84c91d963b70

        tag:         tip

        user:        Asked User <ask@example.com>

        date:        Thu Jan 01 00:00:00 1970 +0000

        summary:     ask

      # test no .hg/hgrc (uses generated non-interactive username)

        $ echo space > asdf

        $ rm .hg/hgrc

        $ hg commit -m commit-1 2>&1

        no username found, using '[^']*' instead (re)

        $ echo space2 > asdf

        $ hg commit -u ' ' -m commit-1

        transaction abort!

        rollback completed

        abort: empty username!

        [255]

      # don't add tests here, previous test is unstable

        $ cd ..

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				$ unset HGUSER
				$ EMAIL="My Name <myname@example.com>"
				$ export EMAIL

				$ hg init test
				$ cd test
				$ touch asdf
				$ hg add asdf
				$ hg commit -m commit-1
				$ hg tip
				changeset: 0:53f268a58230
				tag: tip
				user: My Name <myname@example.com>
				date: Thu Jan 01 00:00:00 1970 +0000
				summary: commit-1


				$ unset EMAIL
				$ echo 1234 > asdf
				$ hg commit -u "foo@bar.com" -m commit-1
				$ hg tip
				changeset: 1:3871b2a9e9bf
				tag: tip
				user: foo@bar.com
				date: Thu Jan 01 00:00:00 1970 +0000
				summary: commit-1

				$ echo "[ui]" >> .hg/hgrc
				$ echo "username = foobar <foo@bar.com>" >> .hg/hgrc
				$ echo 12 > asdf
				$ hg commit -m commit-1
				$ hg tip
				changeset: 2:8eeac6695c1c
				tag: tip
				user: foobar <foo@bar.com>
				date: Thu Jan 01 00:00:00 1970 +0000
				summary: commit-1

				$ echo 1 > asdf
				$ hg commit -u "foo@bar.com" -m commit-1
				$ hg tip
				changeset: 3:957606a725e4
				tag: tip
				user: foo@bar.com
				date: Thu Jan 01 00:00:00 1970 +0000
				summary: commit-1

				$ echo 123 > asdf
				$ echo "[ui]" > .hg/hgrc
				$ echo "username = " >> .hg/hgrc
				$ hg commit -m commit-1
				abort: no username supplied
				(use 'hg config --edit' to set your username)
				[255]

				# test alternate config var

				$ echo 1234 > asdf
				$ echo "[ui]" > .hg/hgrc
				$ echo "user = Foo Bar II <foo2@bar.com>" >> .hg/hgrc
				$ hg commit -m commit-1
				$ hg tip
				changeset: 4:6f24bfb4c617
				tag: tip
				user: Foo Bar II <foo2@bar.com>
				date: Thu Jan 01 00:00:00 1970 +0000
				summary: commit-1

				# test prompt username

				$ cat > .hg/hgrc <<EOF
				> [ui]
				> askusername = True
				> EOF

				$ echo 12345 > asdf
				$ hg commit --config ui.interactive=False -m ask
				enter a commit username:
				no username found, using '[^']*' instead (re)
				$ hg rollback -q

				$ hg commit --config ui.interactive=True -m ask <<EOF
				> Asked User <ask@example.com>
				> EOF
				enter a commit username: Asked User <ask@example.com>
				$ hg tip
				changeset: 5:84c91d963b70
				tag: tip
				user: Asked User <ask@example.com>
				date: Thu Jan 01 00:00:00 1970 +0000
				summary: ask


				# test no .hg/hgrc (uses generated non-interactive username)

				$ echo space > asdf
				$ rm .hg/hgrc
				$ hg commit -m commit-1 2>&1
				no username found, using '[^']*' instead (re)

				$ echo space2 > asdf
				$ hg commit -u ' ' -m commit-1
				transaction abort!
				rollback completed
				abort: empty username!
				[255]

				# don't add tests here, previous test is unstable

				$ cd ..