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128 lines
4.1 KiB
Python
128 lines
4.1 KiB
Python
from contextlib import contextmanager
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import os
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from unittest import TestSuite, TextTestRunner, defaultTestLoader
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from django.test import TestCase
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from django.test.runner import DiscoverRunner
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@contextmanager
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def change_cwd(directory):
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current_dir = os.path.abspath(os.path.dirname(__file__))
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new_dir = os.path.join(current_dir, directory)
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old_cwd = os.getcwd()
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os.chdir(new_dir)
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try:
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yield
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finally:
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os.chdir(old_cwd)
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class DiscoverRunnerTest(TestCase):
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def test_dotted_test_module(self):
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count = DiscoverRunner().build_suite(
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["test_discovery_sample.tests_sample"],
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).countTestCases()
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self.assertEqual(count, 4)
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def test_dotted_test_class_vanilla_unittest(self):
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count = DiscoverRunner().build_suite(
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["test_discovery_sample.tests_sample.TestVanillaUnittest"],
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).countTestCases()
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self.assertEqual(count, 1)
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def test_dotted_test_class_django_testcase(self):
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count = DiscoverRunner().build_suite(
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["test_discovery_sample.tests_sample.TestDjangoTestCase"],
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).countTestCases()
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self.assertEqual(count, 1)
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def test_dotted_test_method_django_testcase(self):
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count = DiscoverRunner().build_suite(
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["test_discovery_sample.tests_sample.TestDjangoTestCase.test_sample"],
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).countTestCases()
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self.assertEqual(count, 1)
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def test_pattern(self):
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count = DiscoverRunner(
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pattern="*_tests.py",
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).build_suite(["test_discovery_sample"]).countTestCases()
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self.assertEqual(count, 1)
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def test_file_path(self):
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with change_cwd(".."):
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count = DiscoverRunner().build_suite(
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["test_discovery_sample/"],
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).countTestCases()
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self.assertEqual(count, 5)
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def test_empty_label(self):
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"""
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If the test label is empty, discovery should happen on the current
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working directory.
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"""
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with change_cwd("."):
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suite = DiscoverRunner().build_suite([])
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self.assertEqual(
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suite._tests[0].id().split(".")[0],
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os.path.basename(os.getcwd()),
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)
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def test_empty_test_case(self):
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count = DiscoverRunner().build_suite(
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["test_discovery_sample.tests_sample.EmptyTestCase"],
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).countTestCases()
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self.assertEqual(count, 0)
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def test_discovery_on_package(self):
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count = DiscoverRunner().build_suite(
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["test_discovery_sample.tests"],
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).countTestCases()
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self.assertEqual(count, 1)
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def test_ignore_adjacent(self):
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"""
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When given a dotted path to a module, unittest discovery searches
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not just the module, but also the directory containing the module.
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This results in tests from adjacent modules being run when they
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should not. The discover runner avoids this behavior.
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"""
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count = DiscoverRunner().build_suite(
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["test_discovery_sample.empty"],
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).countTestCases()
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self.assertEqual(count, 0)
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def test_testcase_ordering(self):
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with change_cwd(".."):
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suite = DiscoverRunner().build_suite(["test_discovery_sample/"])
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self.assertEqual(
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suite._tests[0].__class__.__name__,
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'TestDjangoTestCase',
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msg="TestDjangoTestCase should be the first test case")
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self.assertEqual(
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suite._tests[1].__class__.__name__,
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'TestZimpleTestCase',
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msg="TestZimpleTestCase should be the second test case")
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# All others can follow in unspecified order, including doctests
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self.assertIn('DocTestCase', [t.__class__.__name__ for t in suite._tests[2:]])
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def test_overrideable_test_suite(self):
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self.assertEqual(DiscoverRunner().test_suite, TestSuite)
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def test_overrideable_test_runner(self):
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self.assertEqual(DiscoverRunner().test_runner, TextTestRunner)
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def test_overrideable_test_loader(self):
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self.assertEqual(DiscoverRunner().test_loader, defaultTestLoader)
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