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51 lines
1.8 KiB
Python
51 lines
1.8 KiB
Python
import copy
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import sys
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from django.core.management.validation import get_validation_errors
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from django.db.models.loading import cache, load_app
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from django.utils import unittest
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from django.utils.six import StringIO
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class InvalidModelTestCase(unittest.TestCase):
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"""Import an appliation with invalid models and test the exceptions."""
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def setUp(self):
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# Make sure sys.stdout is not a tty so that we get errors without
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# coloring attached (makes matching the results easier). We restore
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# sys.stderr afterwards.
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self.old_stdout = sys.stdout
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self.stdout = StringIO()
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sys.stdout = self.stdout
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# This test adds dummy applications to the app cache. These
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# need to be removed in order to prevent bad interactions
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# with the flush operation in other tests.
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self.old_app_models = copy.deepcopy(cache.app_models)
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self.old_app_store = copy.deepcopy(cache.app_store)
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def tearDown(self):
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cache.app_models = self.old_app_models
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cache.app_store = self.old_app_store
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cache._get_models_cache = {}
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sys.stdout = self.old_stdout
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def test_invalid_models(self):
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try:
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module = load_app("modeltests.invalid_models.invalid_models")
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except Exception:
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self.fail('Unable to load invalid model module')
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count = get_validation_errors(self.stdout, module)
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self.stdout.seek(0)
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error_log = self.stdout.read()
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actual = error_log.split('\n')
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expected = module.model_errors.split('\n')
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unexpected = [err for err in actual if err not in expected]
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missing = [err for err in expected if err not in actual]
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self.assertFalse(unexpected, "Unexpected Errors: " + '\n'.join(unexpected))
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self.assertFalse(missing, "Missing Errors: " + '\n'.join(missing))
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