/usr/share/pyshared/zope/testrunner/testrunner-wo-source.txt is in python-zope.testrunner 4.0.3-3.
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===========================
The ``--usecompiled`` option allows running tests in a tree without .py
source code, provided compiled .pyc or .pyo files exist (without
``--usecompiled``, .py files are necessary).
We have a very simple directory tree, under ``usecompiled/``, to test
this. Because we're going to delete its .py files, we want to work
in a copy of that:
>>> import os.path, shutil, sys, tempfile
>>> directory_with_tests = tempfile.mkdtemp()
>>> NEWNAME = "unlikely_package_name"
>>> src = os.path.join(this_directory, 'testrunner-ex', 'usecompiled')
>>> os.path.isdir(src)
True
>>> dst = os.path.join(directory_with_tests, NEWNAME)
>>> os.path.isdir(dst)
False
Have to use our own copying code, to avoid copying read-only SVN files that
can't be deleted later.
>>> n = len(src) + 1
>>> for root, dirs, files in os.walk(src):
... dirs[:] = [d for d in dirs if d == "package"] # prune cruft
... os.mkdir(os.path.join(dst, root[n:]))
... for f in files:
... shutil.copy(os.path.join(root, f),
... os.path.join(dst, root[n:], f))
Now run the tests in the copy:
>>> from zope import testrunner
>>> mydefaults = [
... '--path', directory_with_tests,
... '--tests-pattern', '^compiletest$',
... '--package', NEWNAME,
... '-vv',
... ]
>>> sys.argv = ['test']
>>> testrunner.run_internal(mydefaults)
Running tests at level 1
Running zope.testrunner.layer.UnitTests tests:
Set up zope.testrunner.layer.UnitTests in N.NNN seconds.
Running:
test1 (unlikely_package_name.compiletest.Test)
test2 (unlikely_package_name.compiletest.Test)
test1 (unlikely_package_name.package.compiletest.Test)
test2 (unlikely_package_name.package.compiletest.Test)
Ran 4 tests with 0 failures and 0 errors in N.NNN seconds.
Tearing down left over layers:
Tear down zope.testrunner.layer.UnitTests in N.NNN seconds.
False
If we delete the source files, it's normally a disaster: the test runner
doesn't believe any test files, or even packages, exist. Note that we pass
``--keepbytecode`` this time, because otherwise the test runner would
delete the compiled Python files too:
>>> for root, dirs, files in os.walk(dst):
... for f in files:
... if f.endswith(".py"):
... os.remove(os.path.join(root, f))
>>> testrunner.run_internal(mydefaults, ["test", "--keepbytecode"])
Running tests at level 1
Total: 0 tests, 0 failures, 0 errors in N.NNN seconds.
False
Finally, passing ``--usecompiled`` asks the test runner to treat .pyc
and .pyo files as adequate replacements for .py files. Note that the
output is the same as when running with .py source above. The absence
of "removing stale bytecode ..." messages shows that ``--usecompiled``
also implies ``--keepbytecode``:
>>> testrunner.run_internal(mydefaults, ["test", "--usecompiled"])
Running tests at level 1
Running zope.testrunner.layer.UnitTests tests:
Set up zope.testrunner.layer.UnitTests in N.NNN seconds.
Running:
test1 (unlikely_package_name.compiletest.Test)
test2 (unlikely_package_name.compiletest.Test)
test1 (unlikely_package_name.package.compiletest.Test)
test2 (unlikely_package_name.package.compiletest.Test)
Ran 4 tests with 0 failures and 0 errors in N.NNN seconds.
Tearing down left over layers:
Tear down zope.testrunner.layer.UnitTests in N.NNN seconds.
False
Remove the temporary directory:
>>> shutil.rmtree(directory_with_tests)
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