upstream/mercurial-mirror Files · tests/test-bad-extension.t

hghave: allow adding customized features at runtime...

hghave: allow adding customized features at runtime Before this patch, there is no way to add customized features to `hghave` without changing `hghave` and `hghave.py` themselves. This decreases reusability of `run-tests.py` framework for third party tools, because they may want to examine custom features at runtime (e.g. existence of some external tools). To allow adding customized features at runtime, this patch makes `hghave` import `hghaveaddon` module, only when `hghaveaddon.py` file can be found in directories below: - `TESTDIR` for invocation via `run-tests.py` - `.` for invocation via command line The path to the directory where `hghaveaddon.py` should be placed is added to `sys.path` only while importing `hghaveaddon`, because: - `.` may not be added to `PYTHONPATH` - adding additional path to `sys.path` may change behavior of subsequent `import` for other features `hghave` is terminated with exit code '2' at failure of `import hghaveaddon`, because exit code '2' terminates `run-tests.py` immediately. This is a one of preparations for issue4677.

Yuya Nishihara - - Load All Authors

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        $ echo 'raise Exception("bit bucket overflow")' > badext.py

        $ abspath=`pwd`/badext.py

        $ cat <<EOF >> $HGRCPATH

        > [extensions]

        > gpg =

        > hgext.gpg =

        > badext = $abspath

        > badext2 =

        > EOF

        $ hg -q help help

        *** failed to import extension badext from $TESTTMP/badext.py: bit bucket overflow

        *** failed to import extension badext2: No module named badext2

        hg help [-ec] [TOPIC]

        show help for a given topic or a help overview

      show traceback

        $ hg -q help help --traceback 2>&1 | grep -v '^  '

        *** failed to import extension badext from $TESTTMP/badext.py: bit bucket overflow

        Traceback (most recent call last):

        Exception: bit bucket overflow

        *** failed to import extension badext2: No module named badext2

        Traceback (most recent call last):

        ImportError: No module named badext2

        hg help [-ec] [TOPIC]

        show help for a given topic or a help overview

      show traceback for ImportError of hgext.name if debug is set

      (note that --debug option isn't applied yet when loading extensions)

        $ hg help help --traceback --config ui.debug=True 2>&1 \

        > | grep -v '^  ' | head -n10

        *** failed to import extension badext from $TESTTMP/badext.py: bit bucket overflow

        Traceback (most recent call last):

        Exception: bit bucket overflow

        could not import hgext.badext2 (No module named badext2): trying badext2

        Traceback (most recent call last):

        ImportError: No module named badext2

        *** failed to import extension badext2: No module named badext2

        Traceback (most recent call last):

        ImportError: No module named badext2

        hg help [-ec] [TOPIC]

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	Repositories
g s	Goto summary page
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				$ echo 'raise Exception("bit bucket overflow")' > badext.py
				$ abspath=`pwd`/badext.py

				$ cat <<EOF >> $HGRCPATH
				> [extensions]
				> gpg =
				> hgext.gpg =
				> badext = $abspath
				> badext2 =
				> EOF

				$ hg -q help help
				*** failed to import extension badext from $TESTTMP/badext.py: bit bucket overflow
				*** failed to import extension badext2: No module named badext2
				hg help [-ec] [TOPIC]

				show help for a given topic or a help overview

				show traceback

				$ hg -q help help --traceback 2>&1 \| grep -v '^ '
				*** failed to import extension badext from $TESTTMP/badext.py: bit bucket overflow
				Traceback (most recent call last):
				Exception: bit bucket overflow
				*** failed to import extension badext2: No module named badext2
				Traceback (most recent call last):
				ImportError: No module named badext2
				hg help [-ec] [TOPIC]

				show help for a given topic or a help overview

				show traceback for ImportError of hgext.name if debug is set
				(note that --debug option isn't applied yet when loading extensions)

				$ hg help help --traceback --config ui.debug=True 2>&1 \
				> \| grep -v '^ ' \| head -n10
				*** failed to import extension badext from $TESTTMP/badext.py: bit bucket overflow
				Traceback (most recent call last):
				Exception: bit bucket overflow
				could not import hgext.badext2 (No module named badext2): trying badext2
				Traceback (most recent call last):
				ImportError: No module named badext2
				*** failed to import extension badext2: No module named badext2
				Traceback (most recent call last):
				ImportError: No module named badext2
				hg help [-ec] [TOPIC]