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Fix #2775 - running pytest with "--pyargs" will result in Items with … #2776

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Nov 12, 2017
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8 changes: 8 additions & 0 deletions _pytest/main.py
Original file line number Diff line number Diff line change
Expand Up @@ -521,8 +521,16 @@ def __init__(self, fspath, parent=None, config=None, session=None):
super(FSCollector, self).__init__(name, parent, config, session)
self.fspath = fspath

def _check_initialpaths_for_relpath(self):
for initialpath in self.session._initialpaths:
if self.fspath.common(initialpath) == initialpath:
return self.fspath.relto(initialpath.dirname)

def _makeid(self):
relpath = self.fspath.relto(self.config.rootdir)

if not relpath:
relpath = self._check_initialpaths_for_relpath()
if os.sep != nodes.SEP:
relpath = relpath.replace(os.sep, nodes.SEP)
return relpath
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1 change: 1 addition & 0 deletions changelog/2775.bugfix
Original file line number Diff line number Diff line change
@@ -0,0 +1 @@
Fix the bug where running pytest with "--pyargs" will result in Items with empty "parent.nodeid" if run from a different root directory.
4 changes: 3 additions & 1 deletion testing/acceptance_test.py
Original file line number Diff line number Diff line change
Expand Up @@ -624,8 +624,10 @@ def join_pythonpath(*dirs):
for p in search_path:
monkeypatch.syspath_prepend(p)

os.chdir('world')
# mixed module and filenames:
result = testdir.runpytest("--pyargs", "-v", "ns_pkg.hello", "world/ns_pkg")
result = testdir.runpytest("--pyargs", "-v", "ns_pkg.hello", "ns_pkg/world")
testdir.chdir()
assert result.ret == 0
result.stdout.fnmatch_lines([
"*test_hello.py::test_hello*PASSED",
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