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Added tests for missing pyyaml.
This test makes sure an YAML import errors are communicated to the caller rather than stating the serializer does not exist.
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1
tests/fixtures/tests.py
vendored
1
tests/fixtures/tests.py
vendored
@ -1,5 +1,6 @@
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from __future__ import unicode_literals
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import unittest
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import warnings
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from django.contrib.sites.models import Site
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@ -14,7 +14,7 @@ except ImportError:
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from django.conf import settings
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from django.core import serializers
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from django.core import management, serializers
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from django.db import transaction, connection
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from django.test import TestCase, TransactionTestCase, Approximate
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from django.utils import six
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@ -440,6 +440,26 @@ class JsonSerializerTransactionTestCase(SerializersTransactionTestBase, Transact
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}]"""
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@unittest.skipIf(HAS_YAML, "Yaml is installed")
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class NoYamlSerializerTestCase(TestCase):
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"""Not having pyyaml installed provides a misleading error
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#12756
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"""
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def test_missing_pyyaml_error_message(self):
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"""Using yaml serializer without pyyaml raises ImportError"""
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jane = Author(name="Jane")
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self.assertRaises(ImportError, serializers.serialize, "yaml", [jane])
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def test_deserializer_pyyaml_error_message(self):
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"""Using yaml deserializer without pyyaml raises ImportError"""
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self.assertRaises(ImportError, serializers.deserialize, "yaml", "")
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def test_missing_pyyaml_error_message(self):
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self.assertRaisesRegexp(management.CommandError, r'No module named yaml',
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management.call_command, 'dumpdata', format='yaml')
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@unittest.skipUnless(HAS_YAML, "No yaml library detected")
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class YamlSerializerTestCase(SerializersTestBase, TestCase):
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serializer_name = "yaml"
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