mirror of
https://github.com/django/django.git
synced 2024-12-22 17:16:24 +00:00
287 lines
9.9 KiB
Python
287 lines
9.9 KiB
Python
import pickle
|
|
import sys
|
|
import unittest
|
|
from unittest.case import TestCase
|
|
from unittest.result import TestResult
|
|
from unittest.suite import TestSuite, _ErrorHolder
|
|
|
|
from django.test import SimpleTestCase
|
|
from django.test.runner import ParallelTestSuite, RemoteTestResult
|
|
from django.utils.version import PY311, PY312
|
|
|
|
try:
|
|
import tblib.pickling_support
|
|
except ImportError:
|
|
tblib = None
|
|
|
|
|
|
def _test_error_exc_info():
|
|
try:
|
|
raise ValueError("woops")
|
|
except ValueError:
|
|
return sys.exc_info()
|
|
|
|
|
|
class ExceptionThatFailsUnpickling(Exception):
|
|
"""
|
|
After pickling, this class fails unpickling with an error about incorrect
|
|
arguments passed to __init__().
|
|
"""
|
|
|
|
def __init__(self, arg):
|
|
super().__init__()
|
|
|
|
|
|
class ParallelTestRunnerTest(SimpleTestCase):
|
|
"""
|
|
End-to-end tests of the parallel test runner.
|
|
|
|
These tests are only meaningful when running tests in parallel using
|
|
the --parallel option, though it doesn't hurt to run them not in
|
|
parallel.
|
|
"""
|
|
|
|
def test_subtest(self):
|
|
"""
|
|
Passing subtests work.
|
|
"""
|
|
for i in range(2):
|
|
with self.subTest(index=i):
|
|
self.assertEqual(i, i)
|
|
|
|
|
|
class SampleFailingSubtest(SimpleTestCase):
|
|
# This method name doesn't begin with "test" to prevent test discovery
|
|
# from seeing it.
|
|
def dummy_test(self):
|
|
"""
|
|
A dummy test for testing subTest failures.
|
|
"""
|
|
for i in range(3):
|
|
with self.subTest(index=i):
|
|
self.assertEqual(i, 1)
|
|
|
|
# This method name doesn't begin with "test" to prevent test discovery
|
|
# from seeing it.
|
|
def pickle_error_test(self):
|
|
with self.subTest("TypeError: cannot pickle memoryview object"):
|
|
self.x = memoryview(b"")
|
|
self.fail("expected failure")
|
|
|
|
|
|
class SampleErrorTest(SimpleTestCase):
|
|
@classmethod
|
|
def setUpClass(cls):
|
|
raise ValueError("woops")
|
|
super().setUpClass()
|
|
|
|
# This method name doesn't begin with "test" to prevent test discovery
|
|
# from seeing it.
|
|
def dummy_test(self):
|
|
raise AssertionError("SampleErrorTest.dummy_test() was called")
|
|
|
|
|
|
class RemoteTestResultTest(SimpleTestCase):
|
|
def test_was_successful_no_events(self):
|
|
result = RemoteTestResult()
|
|
self.assertIs(result.wasSuccessful(), True)
|
|
|
|
def test_was_successful_one_success(self):
|
|
result = RemoteTestResult()
|
|
test = None
|
|
result.startTest(test)
|
|
try:
|
|
result.addSuccess(test)
|
|
finally:
|
|
result.stopTest(test)
|
|
self.assertIs(result.wasSuccessful(), True)
|
|
|
|
def test_was_successful_one_expected_failure(self):
|
|
result = RemoteTestResult()
|
|
test = None
|
|
result.startTest(test)
|
|
try:
|
|
result.addExpectedFailure(test, _test_error_exc_info())
|
|
finally:
|
|
result.stopTest(test)
|
|
self.assertIs(result.wasSuccessful(), True)
|
|
|
|
def test_was_successful_one_skip(self):
|
|
result = RemoteTestResult()
|
|
test = None
|
|
result.startTest(test)
|
|
try:
|
|
result.addSkip(test, "Skipped")
|
|
finally:
|
|
result.stopTest(test)
|
|
self.assertIs(result.wasSuccessful(), True)
|
|
|
|
@unittest.skipUnless(tblib is not None, "requires tblib to be installed")
|
|
def test_was_successful_one_error(self):
|
|
result = RemoteTestResult()
|
|
test = None
|
|
result.startTest(test)
|
|
try:
|
|
result.addError(test, _test_error_exc_info())
|
|
finally:
|
|
result.stopTest(test)
|
|
self.assertIs(result.wasSuccessful(), False)
|
|
|
|
@unittest.skipUnless(tblib is not None, "requires tblib to be installed")
|
|
def test_was_successful_one_failure(self):
|
|
result = RemoteTestResult()
|
|
test = None
|
|
result.startTest(test)
|
|
try:
|
|
result.addFailure(test, _test_error_exc_info())
|
|
finally:
|
|
result.stopTest(test)
|
|
self.assertIs(result.wasSuccessful(), False)
|
|
|
|
@unittest.skipUnless(tblib is not None, "requires tblib to be installed")
|
|
def test_add_error_before_first_test(self):
|
|
result = RemoteTestResult()
|
|
test_id = "test_foo (tests.test_foo.FooTest.test_foo)"
|
|
test = _ErrorHolder(test_id)
|
|
# Call addError() without a call to startTest().
|
|
result.addError(test, _test_error_exc_info())
|
|
|
|
(event,) = result.events
|
|
self.assertEqual(event[0], "addError")
|
|
self.assertEqual(event[1], -1)
|
|
self.assertEqual(event[2], test_id)
|
|
(error_type, _, _) = event[3]
|
|
self.assertEqual(error_type, ValueError)
|
|
self.assertIs(result.wasSuccessful(), False)
|
|
|
|
def test_picklable(self):
|
|
result = RemoteTestResult()
|
|
loaded_result = pickle.loads(pickle.dumps(result))
|
|
self.assertEqual(result.events, loaded_result.events)
|
|
|
|
def test_pickle_errors_detection(self):
|
|
picklable_error = RuntimeError("This is fine")
|
|
not_unpicklable_error = ExceptionThatFailsUnpickling("arg")
|
|
|
|
result = RemoteTestResult()
|
|
result._confirm_picklable(picklable_error)
|
|
|
|
msg = "__init__() missing 1 required positional argument"
|
|
with self.assertRaisesMessage(TypeError, msg):
|
|
result._confirm_picklable(not_unpicklable_error)
|
|
|
|
@unittest.skipUnless(tblib is not None, "requires tblib to be installed")
|
|
def test_unpicklable_subtest(self):
|
|
result = RemoteTestResult()
|
|
subtest_test = SampleFailingSubtest(methodName="pickle_error_test")
|
|
subtest_test.run(result=result)
|
|
|
|
events = result.events
|
|
subtest_event = events[1]
|
|
assertion_error = subtest_event[3]
|
|
self.assertEqual(str(assertion_error[1]), "expected failure")
|
|
|
|
@unittest.skipUnless(tblib is not None, "requires tblib to be installed")
|
|
def test_add_failing_subtests(self):
|
|
"""
|
|
Failing subtests are added correctly using addSubTest().
|
|
"""
|
|
# Manually run a test with failing subtests to prevent the failures
|
|
# from affecting the actual test run.
|
|
result = RemoteTestResult()
|
|
subtest_test = SampleFailingSubtest(methodName="dummy_test")
|
|
subtest_test.run(result=result)
|
|
|
|
events = result.events
|
|
# addDurations added in Python 3.12.
|
|
if PY312:
|
|
self.assertEqual(len(events), 5)
|
|
else:
|
|
self.assertEqual(len(events), 4)
|
|
self.assertIs(result.wasSuccessful(), False)
|
|
|
|
event = events[1]
|
|
self.assertEqual(event[0], "addSubTest")
|
|
self.assertEqual(
|
|
str(event[2]),
|
|
"dummy_test (test_runner.test_parallel.SampleFailingSubtest%s) (index=0)"
|
|
# Python 3.11 uses fully qualified test name in the output.
|
|
% (".dummy_test" if PY311 else ""),
|
|
)
|
|
self.assertEqual(repr(event[3][1]), "AssertionError('0 != 1')")
|
|
|
|
event = events[2]
|
|
self.assertEqual(repr(event[3][1]), "AssertionError('2 != 1')")
|
|
|
|
@unittest.skipUnless(PY312, "unittest --durations option requires Python 3.12")
|
|
def test_add_duration(self):
|
|
result = RemoteTestResult()
|
|
result.addDuration(None, 2.3)
|
|
self.assertEqual(result.collectedDurations, [("None", 2.3)])
|
|
|
|
|
|
class ParallelTestSuiteTest(SimpleTestCase):
|
|
@unittest.skipUnless(tblib is not None, "requires tblib to be installed")
|
|
def test_handle_add_error_before_first_test(self):
|
|
dummy_subsuites = []
|
|
pts = ParallelTestSuite(dummy_subsuites, processes=2)
|
|
result = TestResult()
|
|
remote_result = RemoteTestResult()
|
|
test = SampleErrorTest(methodName="dummy_test")
|
|
suite = TestSuite([test])
|
|
suite.run(remote_result)
|
|
for event in remote_result.events:
|
|
pts.handle_event(result, tests=list(suite), event=event)
|
|
|
|
self.assertEqual(len(result.errors), 1)
|
|
actual_test, tb_and_details_str = result.errors[0]
|
|
self.assertIsInstance(actual_test, _ErrorHolder)
|
|
self.assertEqual(
|
|
actual_test.id(), "setUpClass (test_runner.test_parallel.SampleErrorTest)"
|
|
)
|
|
self.assertIn("Traceback (most recent call last):", tb_and_details_str)
|
|
self.assertIn("ValueError: woops", tb_and_details_str)
|
|
|
|
def test_handle_add_error_during_test(self):
|
|
dummy_subsuites = []
|
|
pts = ParallelTestSuite(dummy_subsuites, processes=2)
|
|
result = TestResult()
|
|
test = TestCase()
|
|
err = _test_error_exc_info()
|
|
event = ("addError", 0, err)
|
|
pts.handle_event(result, tests=[test], event=event)
|
|
|
|
self.assertEqual(len(result.errors), 1)
|
|
actual_test, tb_and_details_str = result.errors[0]
|
|
self.assertIsInstance(actual_test, TestCase)
|
|
self.assertEqual(actual_test.id(), "unittest.case.TestCase.runTest")
|
|
self.assertIn("Traceback (most recent call last):", tb_and_details_str)
|
|
self.assertIn("ValueError: woops", tb_and_details_str)
|
|
|
|
def test_handle_add_failure(self):
|
|
dummy_subsuites = []
|
|
pts = ParallelTestSuite(dummy_subsuites, processes=2)
|
|
result = TestResult()
|
|
test = TestCase()
|
|
err = _test_error_exc_info()
|
|
event = ("addFailure", 0, err)
|
|
pts.handle_event(result, tests=[test], event=event)
|
|
|
|
self.assertEqual(len(result.failures), 1)
|
|
actual_test, tb_and_details_str = result.failures[0]
|
|
self.assertIsInstance(actual_test, TestCase)
|
|
self.assertEqual(actual_test.id(), "unittest.case.TestCase.runTest")
|
|
self.assertIn("Traceback (most recent call last):", tb_and_details_str)
|
|
self.assertIn("ValueError: woops", tb_and_details_str)
|
|
|
|
def test_handle_add_success(self):
|
|
dummy_subsuites = []
|
|
pts = ParallelTestSuite(dummy_subsuites, processes=2)
|
|
result = TestResult()
|
|
test = TestCase()
|
|
event = ("addSuccess", 0)
|
|
pts.handle_event(result, tests=[test], event=event)
|
|
|
|
self.assertEqual(len(result.errors), 0)
|
|
self.assertEqual(len(result.failures), 0)
|