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"""
Tests for django test runner
"""
import StringIO
import warnings
from django.core.exceptions import ImproperlyConfigured
from django.test import simple
from django.test.utils import get_warnings_state, restore_warnings_state
from django.utils import unittest
class DjangoTestRunnerTests(unittest.TestCase):
def setUp(self):
self._warnings_state = get_warnings_state()
warnings.filterwarnings('ignore', category=DeprecationWarning,
module='django.test.simple')
def tearDown(self):
restore_warnings_state(self._warnings_state)
def test_failfast(self):
class MockTestOne(unittest.TestCase):
def runTest(self):
assert False
class MockTestTwo(unittest.TestCase):
def runTest(self):
assert False
suite = unittest.TestSuite([MockTestOne(), MockTestTwo()])
mock_stream = StringIO.StringIO()
dtr = simple.DjangoTestRunner(verbosity=0, failfast=False, stream=mock_stream)
result = dtr.run(suite)
self.assertEqual(2, result.testsRun)
self.assertEqual(2, len(result.failures))
dtr = simple.DjangoTestRunner(verbosity=0, failfast=True, stream=mock_stream)
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', ('s1_db', ['alpha'])),
('s2', ('s2_db', ['bravo'])),
('s3', ('s3_db', ['charlie'])),
]
dependencies = {
'alpha': ['charlie'],
'bravo': ['charlie'],
}
ordered = simple.dependency_ordered(raw, dependencies=dependencies)
ordered_sigs = [sig for sig,value 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', ('s1_db', ['alpha'])),
('s2', ('s2_db', ['bravo'])),
('s3', ('s3_db', ['charlie'])),
]
dependencies = {
'alpha': ['bravo'],
'bravo': ['charlie'],
}
ordered = simple.dependency_ordered(raw, dependencies=dependencies)
ordered_sigs = [sig for sig,value 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', ('s1_db', ['alpha'])),
('s2', ('s2_db', ['bravo'])),
('s3', ('s3_db', ['charlie'])),
('s4', ('s4_db', ['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', ('s1_db', ['alpha'])),
('s2', ('s2_db', ['bravo'])),
]
dependencies = {
'bravo': ['alpha'],
'alpha': ['bravo'],
}
self.assertRaises(ImproperlyConfigured, simple.dependency_ordered, raw, dependencies=dependencies)
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