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Code Issues 32 Releases Wiki Activity

Fixed #14799 -- Provided a full solution for test database creation order problems.

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git-svn-id: http://code.djangoproject.com/svn/django/trunk@14822 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Russell Keith-Magee
2010-12-05 00:44:34 +00:00
parent 111ed0195e
commit b11c21d69a
3 changed files with 191 additions and 13 deletions
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91
tests/regressiontests/test_runner/tests.py
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@@ -3,6 +3,7 @@ Tests for django test runner
"""
import StringIO
from django.core.exceptions import ImproperlyConfigured
from django.test import simple
from django.utils import unittest
@@ -27,3 +28,93 @@ class DjangoTestRunnerTests(unittest.TestCase):
result = dtr.run(suite)
self.assertEqual(1, result.testsRun)
self.assertEqual(1, len(result.failures))
class DependencyOrderingTests(unittest.TestCase):
def test_simple_dependencies(self):
raw = [
('s1', ['alpha']),
('s2', ['bravo']),
('s3', ['charlie']),
]
dependencies = {
'alpha': ['charlie'],
'bravo': ['charlie'],
}
ordered = simple.dependency_ordered(raw, dependencies=dependencies)
ordered_sigs = [sig for sig,aliases in ordered]
self.assertIn('s1', ordered_sigs)
self.assertIn('s2', ordered_sigs)
self.assertIn('s3', ordered_sigs)
self.assertLess(ordered_sigs.index('s3'), ordered_sigs.index('s1'))
self.assertLess(ordered_sigs.index('s3'), ordered_sigs.index('s2'))
def test_chained_dependencies(self):
raw = [
('s1', ['alpha']),
('s2', ['bravo']),
('s3', ['charlie']),
]
dependencies = {
'alpha': ['bravo'],
'bravo': ['charlie'],
}
ordered = simple.dependency_ordered(raw, dependencies=dependencies)
ordered_sigs = [sig for sig,aliases in ordered]
self.assertIn('s1', ordered_sigs)
self.assertIn('s2', ordered_sigs)
self.assertIn('s3', ordered_sigs)
# Explicit dependencies
self.assertLess(ordered_sigs.index('s2'), ordered_sigs.index('s1'))
self.assertLess(ordered_sigs.index('s3'), ordered_sigs.index('s2'))
# Implied dependencies
self.assertLess(ordered_sigs.index('s3'), ordered_sigs.index('s1'))
def test_multiple_dependencies(self):
raw = [
('s1', ['alpha']),
('s2', ['bravo']),
('s3', ['charlie']),
('s4', ['delta']),
]
dependencies = {
'alpha': ['bravo','delta'],
'bravo': ['charlie'],
'delta': ['charlie'],
}
ordered = simple.dependency_ordered(raw, dependencies=dependencies)
ordered_sigs = [sig for sig,aliases in ordered]
self.assertIn('s1', ordered_sigs)
self.assertIn('s2', ordered_sigs)
self.assertIn('s3', ordered_sigs)
self.assertIn('s4', ordered_sigs)
# Explicit dependencies
self.assertLess(ordered_sigs.index('s2'), ordered_sigs.index('s1'))
self.assertLess(ordered_sigs.index('s4'), ordered_sigs.index('s1'))
self.assertLess(ordered_sigs.index('s3'), ordered_sigs.index('s2'))
self.assertLess(ordered_sigs.index('s3'), ordered_sigs.index('s4'))
# Implicit dependencies
self.assertLess(ordered_sigs.index('s3'), ordered_sigs.index('s1'))
def test_circular_dependencies(self):
raw = [
('s1', ['alpha']),
('s2', ['bravo']),
]
dependencies = {
'bravo': ['alpha'],
'alpha': ['bravo'],
}
self.assertRaises(ImproperlyConfigured, simple.dependency_ordered, raw, dependencies=dependencies)