Refactored autoreload tests.
* Added helpers to test uncached and cached access. * Fixed test_project_root_locale: it duplicated test_locale_paths_setting. * Rewrote test_only_new_files: test more cases.
This commit is contained in:
Aymeric Augustin
parent
23620cb8e0
commit
dfa712efb8
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@ -8,36 +8,53 @@ from django.contrib import admin
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from django.test import SimpleTestCase, override_settings
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from django.test.utils import extend_sys_path
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from django.utils import autoreload
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from django.utils._os import npath, upath
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from django.utils.autoreload import gen_filenames
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from django.utils._os import npath
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LOCALE_PATH = os.path.join(os.path.dirname(__file__), 'locale')
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class TestFilenameGenerator(SimpleTestCase):
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def setUp(self):
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# Empty cached variables
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from django.utils import autoreload
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def clear_autoreload_caches(self):
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autoreload._cached_modules = set()
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autoreload._cached_filenames = []
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def assertFileFound(self, filename):
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self.clear_autoreload_caches()
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# Test uncached access
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self.assertIn(npath(filename), autoreload.gen_filenames())
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# Test cached access
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self.assertIn(npath(filename), autoreload.gen_filenames())
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def assertFileNotFound(self, filename):
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self.clear_autoreload_caches()
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# Test uncached access
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self.assertNotIn(npath(filename), autoreload.gen_filenames())
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# Test cached access
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self.assertNotIn(npath(filename), autoreload.gen_filenames())
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def assertFileFoundOnlyNew(self, filename):
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self.clear_autoreload_caches()
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# Test uncached access
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self.assertIn(npath(filename), autoreload.gen_filenames(only_new=True))
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# Test cached access
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self.assertNotIn(npath(filename), autoreload.gen_filenames(only_new=True))
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def test_django_locales(self):
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"""
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Test that gen_filenames() also yields the built-in django locale files.
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Test that gen_filenames() yields the built-in Django locale files.
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"""
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filenames = list(gen_filenames())
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self.assertIn(os.path.join(os.path.dirname(conf.__file__), 'locale',
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'nl', 'LC_MESSAGES', 'django.mo'),
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filenames)
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django_dir = os.path.join(os.path.dirname(conf.__file__), 'locale')
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django_mo = os.path.join(django_dir, 'nl', 'LC_MESSAGES', 'django.mo')
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self.assertFileFound(django_mo)
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@override_settings(LOCALE_PATHS=[LOCALE_PATH])
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def test_locale_paths_setting(self):
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"""
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Test that gen_filenames also yields from LOCALE_PATHS locales.
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"""
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filenames = list(gen_filenames())
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self.assertIn(os.path.join(LOCALE_PATH, 'nl', 'LC_MESSAGES', 'django.mo'),
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filenames)
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locale_paths_mo = os.path.join(LOCALE_PATH, 'nl', 'LC_MESSAGES', 'django.mo')
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self.assertFileFound(locale_paths_mo)
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@override_settings(INSTALLED_APPS=[])
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def test_project_root_locale(self):
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@ -47,11 +64,10 @@ class TestFilenameGenerator(SimpleTestCase):
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"""
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old_cwd = os.getcwd()
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os.chdir(os.path.dirname(__file__))
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current_dir = os.path.join(os.path.dirname(__file__), 'locale')
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current_dir_mo = os.path.join(current_dir, 'nl', 'LC_MESSAGES', 'django.mo')
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try:
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filenames = list(gen_filenames())
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self.assertIn(
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os.path.join(LOCALE_PATH, 'nl', 'LC_MESSAGES', 'django.mo'),
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filenames)
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self.assertFileFound(current_dir_mo)
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finally:
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os.chdir(old_cwd)
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@ -60,11 +76,9 @@ class TestFilenameGenerator(SimpleTestCase):
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"""
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Test that gen_filenames also yields from locale dirs in installed apps.
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"""
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filenames = list(gen_filenames())
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self.assertIn(
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os.path.join(os.path.dirname(upath(admin.__file__)), 'locale', 'nl', 'LC_MESSAGES', 'django.mo'),
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filenames
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)
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admin_dir = os.path.join(os.path.dirname(admin.__file__), 'locale')
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admin_mo = os.path.join(admin_dir, 'nl', 'LC_MESSAGES', 'django.mo')
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self.assertFileFound(admin_mo)
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@override_settings(USE_I18N=False)
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def test_no_i18n(self):
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@ -72,41 +86,58 @@ class TestFilenameGenerator(SimpleTestCase):
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If i18n machinery is disabled, there is no need for watching the
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locale files.
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"""
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filenames = list(gen_filenames())
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self.assertNotIn(
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os.path.join(os.path.dirname(upath(conf.__file__)), 'locale', 'nl', 'LC_MESSAGES', 'django.mo'),
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filenames
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)
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django_dir = os.path.join(os.path.dirname(conf.__file__), 'locale')
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django_mo = os.path.join(django_dir, 'nl', 'LC_MESSAGES', 'django.mo')
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self.assertFileNotFound(django_mo)
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def test_only_new_files(self):
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"""
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When calling a second time gen_filenames with only_new = True, only
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files from newly loaded modules should be given.
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"""
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list(gen_filenames())
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from fractions import Fraction # NOQA
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filenames2 = list(gen_filenames(only_new=True))
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self.assertEqual(len(filenames2), 1)
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self.assertTrue(filenames2[0].endswith('fractions.py'))
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self.assertFalse(any(f.endswith('.pyc') for f in gen_filenames()))
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def test_deleted_removed(self):
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dirname = tempfile.mkdtemp()
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filename = os.path.join(dirname, 'test_deleted_removed_module.py')
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filename = os.path.join(dirname, 'test_only_new_module.py')
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self.addCleanup(shutil.rmtree, dirname)
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with open(filename, 'w'):
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pass
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# Test uncached access
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self.clear_autoreload_caches()
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filenames = set(autoreload.gen_filenames(only_new=True))
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filenames_reference = set(autoreload.gen_filenames())
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self.assertEqual(filenames, filenames_reference)
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# Test cached access: no changes
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filenames = set(autoreload.gen_filenames(only_new=True))
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self.assertEqual(filenames, set())
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# Test cached access: add a module
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with extend_sys_path(dirname):
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import_module('test_only_new_module')
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filenames = set(autoreload.gen_filenames(only_new=True))
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self.assertEqual(filenames, {npath(filename)})
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def test_deleted_removed(self):
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"""
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When a file is deleted, gen_filenames() no longer returns it.
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"""
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dirname = tempfile.mkdtemp()
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filename = os.path.join(dirname, 'test_deleted_removed_module.py')
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self.addCleanup(shutil.rmtree, dirname)
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with open(filename, 'w'):
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pass
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with extend_sys_path(dirname):
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import_module('test_deleted_removed_module')
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self.assertIn(npath(filename), gen_filenames())
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self.assertFileFound(filename)
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os.unlink(filename)
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self.assertNotIn(filename, gen_filenames())
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self.assertFileNotFound(filename)
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def test_check_errors(self):
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"""
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When a file containing an error is imported in a function wrapped by
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check_errors(), gen_filenames() returns it.
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Run assertions twice to test uncached and cached access.
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"""
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dirname = tempfile.mkdtemp()
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filename = os.path.join(dirname, 'test_syntax_error.py')
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@ -117,15 +148,12 @@ class TestFilenameGenerator(SimpleTestCase):
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with extend_sys_path(dirname):
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with self.assertRaises(SyntaxError):
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autoreload.check_errors(import_module)('test_syntax_error')
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self.assertIn(npath(filename), gen_filenames())
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self.assertIn(npath(filename), gen_filenames())
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self.assertFileFound(filename)
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def test_check_errors_only_new(self):
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"""
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When a file containing an error is imported in a function wrapped by
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check_errors(), gen_filenames(only_new=True) returns it.
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Run assertions twice to test uncached and cached access.
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"""
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dirname = tempfile.mkdtemp()
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filename = os.path.join(dirname, 'test_syntax_error.py')
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@ -136,5 +164,4 @@ class TestFilenameGenerator(SimpleTestCase):
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with extend_sys_path(dirname):
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with self.assertRaises(SyntaxError):
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autoreload.check_errors(import_module)('test_syntax_error')
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self.assertIn(npath(filename), gen_filenames(only_new=True))
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self.assertNotIn(npath(filename), gen_filenames(only_new=True))
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self.assertFileFoundOnlyNew(filename)
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