def test_functional(
test_file: FunctionalTestFile, recwarn: WarningsRecorder, pytestconfig: Config
) -> None:
__tracebackhide__ = True # pylint: disable=unused-variable
if UPDATE_FILE.exists():
lint_test: Union[
LintModuleOutputUpdate, testutils.LintModuleTest
] = LintModuleOutputUpdate(test_file, pytestconfig)
else:
lint_test = testutils.LintModuleTest(test_file, pytestconfig)
lint_test.setUp()
lint_test.runTest()
warning = None
try:
# Catch <unknown>:x: DeprecationWarning: invalid escape sequence
# so it's not shown during tests
warning = recwarn.pop()
except AssertionError:
pass
if warning is not None:
if (
test_file.base in TEST_WITH_EXPECTED_DEPRECATION
and sys.version_info.minor > 5
):
assert issubclass(warning.category, DeprecationWarning)
assert "invalid escape sequence" in str(warning.message)
def test_recwarn_captures_deprecation_warning(recwarn: WarningsRecorder) -> None:
"""
Check that recwarn can capture DeprecationWarning by default
without custom filterwarnings (see #8666).
"""
warnings.warn(DeprecationWarning("some deprecation"))
assert len(recwarn) == 1
assert recwarn.pop(DeprecationWarning)
def test_recording(self):
rec = WarningsRecorder()
with rec:
assert not rec.list
warnings.warn_explicit("hello", UserWarning, "xyz", 13)
assert len(rec.list) == 1
warnings.warn(DeprecationWarning("hello"))
assert len(rec.list) == 2
warn = rec.pop()
assert str(warn.message) == "hello"
values = rec.list
rec.clear()
assert len(rec.list) == 0
assert values is rec.list
pytest.raises(AssertionError, "rec.pop()")
def test_recording(self):
rec = WarningsRecorder()
with rec:
assert not rec.list
warnings.warn_explicit("hello", UserWarning, "xyz", 13)
assert len(rec.list) == 1
warnings.warn(DeprecationWarning("hello"))
assert len(rec.list) == 2
warn = rec.pop()
assert str(warn.message) == "hello"
values = rec.list
rec.clear()
assert len(rec.list) == 0
assert values is rec.list
pytest.raises(AssertionError, rec.pop)
def test_WarningRecorder(recwarn):
showwarning = py.std.warnings.showwarning
rec = WarningsRecorder()
assert py.std.warnings.showwarning != showwarning
assert not rec.list
py.std.warnings.warn_explicit("hello", UserWarning, "xyz", 13)
assert len(rec.list) == 1
py.std.warnings.warn(DeprecationWarning("hello"))
assert len(rec.list) == 2
warn = rec.pop()
assert str(warn.message) == "hello"
l = rec.list
rec.clear()
assert len(rec.list) == 0
assert l is rec.list
pytest.raises(AssertionError, "rec.pop()")
rec.finalize()
assert showwarning == py.std.warnings.showwarning
def test_recording(self, recwarn):
showwarning = py.std.warnings.showwarning
rec = WarningsRecorder()
with rec:
assert py.std.warnings.showwarning != showwarning
assert not rec.list
py.std.warnings.warn_explicit("hello", UserWarning, "xyz", 13)
assert len(rec.list) == 1
py.std.warnings.warn(DeprecationWarning("hello"))
assert len(rec.list) == 2
warn = rec.pop()
assert str(warn.message) == "hello"
l = rec.list
rec.clear()
assert len(rec.list) == 0
assert l is rec.list
pytest.raises(AssertionError, "rec.pop()")
assert showwarning == py.std.warnings.showwarning
def test_recwarn_stacklevel(recwarn: WarningsRecorder) -> None:
warnings.warn("hello")
warn = recwarn.pop()
assert warn.filename == __file__