def test_funcarg_non_pycollectobj(self, testdir): # rough jstests usage
testdir.makeconftest("""
import pytest
def pytest_pycollect_makeitem(collector, name, obj):
if name == "MyClass":
return MyCollector(name, parent=collector)
class MyCollector(pytest.Collector):
def reportinfo(self):
return self.fspath, 3, "xyz"
""")
modcol = testdir.getmodulecol("""
def pytest_funcarg__arg1(request):
return 42
class MyClass:
pass
""")
# this hook finds funcarg factories
rep = runner.collect_one_node(collector=modcol)
clscol = rep.result[0]
clscol.obj = lambda arg1: None
clscol.funcargs = {}
pytest._fillfuncargs(clscol)
assert clscol.funcargs['arg1'] == 42
python类Collector()的实例源码
def pytest_namespace():
collect = dict(Item=Item, Collector=Collector, File=File, Session=Session)
return dict(collect=collect)
def _matchnodes(self, matching, names):
if not matching or not names:
return matching
name = names[0]
assert name
nextnames = names[1:]
resultnodes = []
for node in matching:
if isinstance(node, pytest.Item):
if not names:
resultnodes.append(node)
continue
assert isinstance(node, pytest.Collector)
rep = collect_one_node(node)
if rep.passed:
has_matched = False
for x in rep.result:
# TODO: remove parametrized workaround once collection structure contains parametrization
if x.name == name or x.name.split("[")[0] == name:
resultnodes.extend(self.matchnodes([x], nextnames))
has_matched = True
# XXX accept IDs that don't have "()" for class instances
if not has_matched and len(rep.result) == 1 and x.name == "()":
nextnames.insert(0, name)
resultnodes.extend(self.matchnodes([x], nextnames))
node.ihook.pytest_collectreport(report=rep)
return resultnodes
def genitems(self, node):
self.trace("genitems", node)
if isinstance(node, pytest.Item):
node.ihook.pytest_itemcollected(item=node)
yield node
else:
assert isinstance(node, pytest.Collector)
rep = collect_one_node(node)
if rep.passed:
for subnode in rep.result:
for x in self.genitems(subnode):
yield x
node.ihook.pytest_collectreport(report=rep)
def pytest_namespace():
collect = dict(Item=Item, Collector=Collector, File=File, Session=Session)
return dict(collect=collect)
def _matchnodes(self, matching, names):
if not matching or not names:
return matching
name = names[0]
assert name
nextnames = names[1:]
resultnodes = []
for node in matching:
if isinstance(node, pytest.Item):
if not names:
resultnodes.append(node)
continue
assert isinstance(node, pytest.Collector)
rep = collect_one_node(node)
if rep.passed:
has_matched = False
for x in rep.result:
# TODO: remove parametrized workaround once collection structure contains parametrization
if x.name == name or x.name.split("[")[0] == name:
resultnodes.extend(self.matchnodes([x], nextnames))
has_matched = True
# XXX accept IDs that don't have "()" for class instances
if not has_matched and len(rep.result) == 1 and x.name == "()":
nextnames.insert(0, name)
resultnodes.extend(self.matchnodes([x], nextnames))
node.ihook.pytest_collectreport(report=rep)
return resultnodes
def genitems(self, node):
self.trace("genitems", node)
if isinstance(node, pytest.Item):
node.ihook.pytest_itemcollected(item=node)
yield node
else:
assert isinstance(node, pytest.Collector)
rep = collect_one_node(node)
if rep.passed:
for subnode in rep.result:
for x in self.genitems(subnode):
yield x
node.ihook.pytest_collectreport(report=rep)
def pytest_namespace():
collect = dict(Item=Item, Collector=Collector, File=File, Session=Session)
return dict(collect=collect)
def _matchnodes(self, matching, names):
if not matching or not names:
return matching
name = names[0]
assert name
nextnames = names[1:]
resultnodes = []
for node in matching:
if isinstance(node, pytest.Item):
if not names:
resultnodes.append(node)
continue
assert isinstance(node, pytest.Collector)
rep = collect_one_node(node)
if rep.passed:
has_matched = False
for x in rep.result:
# TODO: remove parametrized workaround once collection structure contains parametrization
if x.name == name or x.name.split("[")[0] == name:
resultnodes.extend(self.matchnodes([x], nextnames))
has_matched = True
# XXX accept IDs that don't have "()" for class instances
if not has_matched and len(rep.result) == 1 and x.name == "()":
nextnames.insert(0, name)
resultnodes.extend(self.matchnodes([x], nextnames))
node.ihook.pytest_collectreport(report=rep)
return resultnodes
def genitems(self, node):
self.trace("genitems", node)
if isinstance(node, pytest.Item):
node.ihook.pytest_itemcollected(item=node)
yield node
else:
assert isinstance(node, pytest.Collector)
rep = collect_one_node(node)
if rep.passed:
for subnode in rep.result:
for x in self.genitems(subnode):
yield x
node.ihook.pytest_collectreport(report=rep)
def pytest_namespace():
collect = dict(Item=Item, Collector=Collector, File=File, Session=Session)
return dict(collect=collect)
def _matchnodes(self, matching, names):
if not matching or not names:
return matching
name = names[0]
assert name
nextnames = names[1:]
resultnodes = []
for node in matching:
if isinstance(node, pytest.Item):
if not names:
resultnodes.append(node)
continue
assert isinstance(node, pytest.Collector)
rep = collect_one_node(node)
if rep.passed:
has_matched = False
for x in rep.result:
# TODO: remove parametrized workaround once collection structure contains parametrization
if x.name == name or x.name.split("[")[0] == name:
resultnodes.extend(self.matchnodes([x], nextnames))
has_matched = True
# XXX accept IDs that don't have "()" for class instances
if not has_matched and len(rep.result) == 1 and x.name == "()":
nextnames.insert(0, name)
resultnodes.extend(self.matchnodes([x], nextnames))
node.ihook.pytest_collectreport(report=rep)
return resultnodes
def test_autouse_fixture(self, testdir): # rough jstests usage
testdir.makeconftest("""
import pytest
def pytest_pycollect_makeitem(collector, name, obj):
if name == "MyClass":
return MyCollector(name, parent=collector)
class MyCollector(pytest.Collector):
def reportinfo(self):
return self.fspath, 3, "xyz"
""")
modcol = testdir.getmodulecol("""
import pytest
@pytest.fixture(autouse=True)
def hello():
pass
def pytest_funcarg__arg1(request):
return 42
class MyClass:
pass
""")
# this hook finds funcarg factories
rep = runner.collect_one_node(modcol)
clscol = rep.result[0]
clscol.obj = lambda: None
clscol.funcargs = {}
pytest._fillfuncargs(clscol)
assert not clscol.funcargs
def test_collect_versus_item(self):
from pytest import Collector, Item
assert not issubclass(Collector, Item)
assert not issubclass(Item, Collector)
def pytest_namespace():
collect = dict(Item=Item, Collector=Collector, File=File, Session=Session)
return dict(collect=collect)
def _matchnodes(self, matching, names):
if not matching or not names:
return matching
name = names[0]
assert name
nextnames = names[1:]
resultnodes = []
for node in matching:
if isinstance(node, pytest.Item):
if not names:
resultnodes.append(node)
continue
assert isinstance(node, pytest.Collector)
rep = collect_one_node(node)
if rep.passed:
has_matched = False
for x in rep.result:
if x.name == name:
resultnodes.extend(self.matchnodes([x], nextnames))
has_matched = True
# XXX accept IDs that don't have "()" for class instances
if not has_matched and len(rep.result) == 1 and x.name == "()":
nextnames.insert(0, name)
resultnodes.extend(self.matchnodes([x], nextnames))
node.ihook.pytest_collectreport(report=rep)
return resultnodes
def test_it_works_with_the_simplest_test_items(ourtestdir):
ourtestdir.makepyfile(
conftest="""
import pytest
class MyCollector(pytest.Collector):
def __init__(self, fspath, items, **kwargs):
super(MyCollector, self).__init__(fspath, **kwargs)
self.items = items
def collect(self):
return self.items
class NoOpItem(pytest.Item):
def __init__(self, path, parent, module=None):
super(NoOpItem, self).__init__(path, parent)
if module is not None:
self.module = module
def runtest(self):
pass
def pytest_collect_file(path, parent):
if not str(path).endswith('.py'):
return
return MyCollector(
fspath=str(path),
items=[
NoOpItem(str(path), parent, 'foo'),
NoOpItem(str(path), parent),
],
parent=parent,
)
"""
)
args = ['-v']
out = ourtestdir.runpytest(*args)
out.assert_outcomes(passed=2)