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Fixed #27978 -- Allowed loaddata to read data from stdin.

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Thanks Squareweave for the django-loaddata-stdin project from which this
is adapted.
This commit is contained in:
Pavel Kulikov 2017-03-26 22:29:05 +03:00 • committed by Tim Graham
parent c930c241f8
commit af1fa5e7da
5 changed files with 78 additions and 0 deletions
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29
tests/fixtures/tests.py vendored
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@ -680,6 +680,35 @@ class FixtureLoadingTests(DumpDataAssertMixin, TestCase):
with self.assertRaisesMessage(management.CommandError, msg):
management.call_command('loaddata', 'fixture1', exclude=['fixtures.FooModel'], verbosity=0)
def test_stdin_without_format(self):
"""Reading from stdin raises an error if format isn't specified."""
msg = '--format must be specified when reading from stdin.'
with self.assertRaisesMessage(management.CommandError, msg):
management.call_command('loaddata', '-', verbosity=0)
def test_loading_stdin(self):
"""Loading fixtures from stdin with json and xml."""
tests_dir = os.path.dirname(__file__)
fixture_json = os.path.join(tests_dir, 'fixtures', 'fixture1.json')
fixture_xml = os.path.join(tests_dir, 'fixtures', 'fixture3.xml')
with mock.patch('django.core.management.commands.loaddata.sys.stdin', open(fixture_json, 'r')):
management.call_command('loaddata', '--format=json', '-', verbosity=0)
self.assertEqual(Article.objects.count(), 2)
self.assertQuerysetEqual(Article.objects.all(), [
'<Article: Time to reform copyright>',
'<Article: Poker has no place on ESPN>',
])
with mock.patch('django.core.management.commands.loaddata.sys.stdin', open(fixture_xml, 'r')):
management.call_command('loaddata', '--format=xml', '-', verbosity=0)
self.assertEqual(Article.objects.count(), 3)
self.assertQuerysetEqual(Article.objects.all(), [
'<Article: XML identified as leading cause of cancer>',
'<Article: Time to reform copyright>',
'<Article: Poker on TV is great!>',
])
class NonexistentFixtureTests(TestCase):
"""