def test_canonical_import(self, monkeypatch):
mod = py.std.types.ModuleType("pytest_xyz")
monkeypatch.setitem(py.std.sys.modules, 'pytest_xyz', mod)
pm = PytestPluginManager()
pm.import_plugin('pytest_xyz')
assert pm.get_plugin('pytest_xyz') == mod
assert pm.is_registered(mod)
def _build_config_for_path(path):
"""
Builds and returns a basic test configuration rooted at the given path.
Args:
path (LocalPath): The path to the files under test.
Returns:
Config: The generated test configuration.
"""
# Find the root directory of the package containing our files.
for rootdir in path.parts(reverse=True):
if rootdir.join("setup.py").exists():
break
else:
rootdir = path
# Initialize a base configuration as pytest would.
pluginmanager = PytestPluginManager()
for spec in default_plugins:
pluginmanager.import_plugin(spec)
config = Config(pluginmanager)
# Ensure that pytest sets its root directory (``config.rootdir``) to the
# given path. If we don't, then using this configuration from outside of
# this path will confuse pytest.
args = [rootdir]
config.parse(args)
return config
def test_import_plugin_dotted_name(self, pytester: Pytester,
pytestpm: PytestPluginManager) -> None:
pytest.raises(ImportError, pytestpm.import_plugin, "qweqwex.y")
pytest.raises(ImportError, pytestpm.import_plugin, "pytest_qweqwex.y")
pytester.syspathinsert()
pytester.mkpydir("pkg").joinpath("plug.py").write_text("x=3")
pluginname = "pkg.plug"
pytestpm.import_plugin(pluginname)
mod = pytestpm.get_plugin("pkg.plug")
assert mod.x == 3
def test_import_plugin_importname(self, pytester: Pytester,
pytestpm: PytestPluginManager) -> None:
pytest.raises(ImportError, pytestpm.import_plugin, "qweqwex.y")
pytest.raises(ImportError, pytestpm.import_plugin, "pytest_qweqwx.y")
pytester.syspathinsert()
pluginname = "pytest_hello"
pytester.makepyfile(**{pluginname: ""})
pytestpm.import_plugin("pytest_hello")
len1 = len(pytestpm.get_plugins())
pytestpm.import_plugin("pytest_hello")
len2 = len(pytestpm.get_plugins())
assert len1 == len2
plugin1 = pytestpm.get_plugin("pytest_hello")
assert plugin1.__name__.endswith("pytest_hello")
plugin2 = pytestpm.get_plugin("pytest_hello")
assert plugin2 is plugin1
def test_importplugin_error_message(pytester: Pytester,
pytestpm: PytestPluginManager) -> None:
"""Don't hide import errors when importing plugins and provide
an easy to debug message.
See #375 and #1998.
"""
pytester.syspathinsert(pytester.path)
pytester.makepyfile(qwe="""\
def test_traceback():
raise ImportError('Not possible to import: ☺')
test_traceback()
""")
with pytest.raises(ImportError) as excinfo:
pytestpm.import_plugin("qwe")
assert str(excinfo.value).endswith(
'Error importing plugin "qwe": Not possible to import: ☺')
assert "in test_traceback" in str(excinfo.traceback[-1])
