upstream/mercurial-mirror Files · tests/mockblackbox.py

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

Boris Feld - - Load All Authors

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        Robert Stanca
    
py3: use absolute_import in mockblackbox.py

              r28943
            
      from __future__ import absolute_import

      from mercurial import (

          util,

      )

        Gregory Szorc
    
tests: move mock blackbox extension into own file...

              r24705
            
        Boris Feld
    
devel: update blackbox to use default-date...

              r32412
            
      # XXX: we should probably offer a devel option to do this in blackbox directly

        Gregory Szorc
    
tests: move mock blackbox extension into own file...

              r24705
            
      def getuser():

          return 'bob'

        timeless
    
tests: mock getpid to reduce glob usage...

              r28028
            
      def getpid():

          return 5000

        Gregory Szorc
    
tests: move mock blackbox extension into own file...

              r24705
            
      # mock the date and user apis so the output is always the same

      def uisetup(ui):

          util.getuser = getuser

        timeless
    
tests: mock getpid to reduce glob usage...

              r28028
            
          util.getpid = getpid

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Robert Stanca py3: use absolute_import in mockblackbox.py	r28943	from __future__ import absolute_import
		from mercurial import (
		util,
		)
Gregory Szorc tests: move mock blackbox extension into own file...	r24705
Boris Feld devel: update blackbox to use default-date...	r32412	# XXX: we should probably offer a devel option to do this in blackbox directly
Gregory Szorc tests: move mock blackbox extension into own file...	r24705	def getuser():
		return 'bob'
timeless tests: mock getpid to reduce glob usage...	r28028	def getpid():
		return 5000
Gregory Szorc tests: move mock blackbox extension into own file...	r24705
		# mock the date and user apis so the output is always the same
		def uisetup(ui):
		util.getuser = getuser
timeless tests: mock getpid to reduce glob usage...	r28028	util.getpid = getpid