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Merge pull request #36 from nicoddemus/auto-detect-flaky

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Fix test_auto_detect_cpus flakyness
This commit is contained in:
Ronny Pfannschmidt
2015-12-12 16:04:25 +01:00
parent 5d26154efb 462a3eb9e2
commit 7dedb272ad
1 changed files with 5 additions and 8 deletions
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13
testing/acceptance_test.py
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@@ -353,18 +353,15 @@ def test_terminate_on_hangingnode(testdir):
result.stdout.fnmatch_lines(["*killed*my*", ])
@pytest.mark.xfail(reason='see #30')
def test_auto_detect_cpus(testdir, monkeypatch):
import multiprocessing
monkeypatch.setattr(multiprocessing, 'cpu_count', lambda: 3)
count = multiprocessing.cpu_count()
testdir.makeconftest("""
def pytest_unconfigure(config):
with open('cpus', 'w') as f:
f.write('cpus = %s' % config.option.numprocesses)
def pytest_configure(config):
print("numprocesses: (%s)" % config.getoption("numprocesses"))
""")
testdir.inline_run('-n=auto')
cpus_file = testdir.tmpdir.join('cpus')
assert cpus_file.read() == 'cpus = 3'
result = testdir.runpytest('-n=auto', '-s')
result.stdout.fnmatch_lines(["*numprocesses: (%s)*" % count])
@pytest.mark.xfail(reason="works if run outside test suite", run=False)