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Add -prof tox environment #9293

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Add -prof tox environment #9293

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f26445e
add -prof tox environment
ShadowJonathan Feb 2, 2021
2a615a8
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ShadowJonathan Feb 2, 2021
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1 change: 1 addition & 0 deletions changelog.d/9293.misc
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@@ -0,0 +1 @@
Add profiling test environment.
5 changes: 4 additions & 1 deletion tox.ini
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Expand Up @@ -62,6 +62,9 @@ setenv =
passenv = *

commands =
# can be invoked by adding -prof to any environment (e.g. 'py36-postgres-prof'), does not work with '-j X'
prof: python -m cProfile -o "{envname}.cprof" "{envbindir}/trial" {env:TRIAL_FLAGS:} {posargs:tests} {env:TOXSUFFIX:}

# the "env" invocation enables coverage checking for sub-processes. This is
# particularly important when running trial with `-j`, since that will make
# it run tests in a subprocess, whose coverage would otherwise not be
Expand All @@ -76,7 +79,7 @@ commands =
#
# keep this in sync with the copy in `testenv:py35-old`.
#
/usr/bin/env COVERAGE_PROCESS_START={toxinidir}/.coveragerc "{envbindir}/trial" {env:TRIAL_FLAGS:} {posargs:tests} {env:TOXSUFFIX:}
!prof: /usr/bin/env COVERAGE_PROCESS_START={toxinidir}/.coveragerc "{envbindir}/trial" {env:TRIAL_FLAGS:} {posargs:tests} {env:TOXSUFFIX:}

# As of twisted 16.4, trial tries to import the tests as a package (previously
# it loaded the files explicitly), which means they need to be on the
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