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127 lines
5 KiB
Python
127 lines
5 KiB
Python
from django.core.checks.compatibility import base
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from django.core.checks.compatibility import django_1_6_0
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from django.core.management.commands import check
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from django.core.management import call_command
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from django.db.models.fields import NOT_PROVIDED
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from django.test import TestCase
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from .models import Book
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class StubCheckModule(object):
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# Has no ``run_checks`` attribute & will trigger a warning.
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__name__ = 'StubCheckModule'
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class FakeWarnings(object):
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def __init__(self):
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self._warnings = []
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def warn(self, message):
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self._warnings.append(message)
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class CompatChecksTestCase(TestCase):
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def setUp(self):
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super(CompatChecksTestCase, self).setUp()
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# We're going to override the list of checks to perform for test
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# consistency in the future.
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self.old_compat_checks = base.COMPAT_CHECKS
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base.COMPAT_CHECKS = [
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django_1_6_0,
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]
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def tearDown(self):
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# Restore what's supposed to be in ``COMPAT_CHECKS``.
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base.COMPAT_CHECKS = self.old_compat_checks
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super(CompatChecksTestCase, self).tearDown()
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def test_check_test_runner_new_default(self):
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with self.settings(TEST_RUNNER='django.test.runner.DiscoverRunner'):
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result = django_1_6_0.check_test_runner()
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self.assertTrue("Django 1.6 introduced a new default test runner" in result)
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def test_check_test_runner_overridden(self):
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with self.settings(TEST_RUNNER='myapp.test.CustomRunnner'):
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self.assertEqual(django_1_6_0.check_test_runner(), None)
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def test_run_checks_new_default(self):
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with self.settings(TEST_RUNNER='django.test.runner.DiscoverRunner'):
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result = django_1_6_0.run_checks()
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self.assertEqual(len(result), 1)
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self.assertTrue("Django 1.6 introduced a new default test runner" in result[0])
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def test_run_checks_overridden(self):
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with self.settings(TEST_RUNNER='myapp.test.CustomRunnner'):
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self.assertEqual(len(django_1_6_0.run_checks()), 0)
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def test_boolean_field_default_value(self):
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with self.settings(TEST_RUNNER='myapp.test.CustomRunnner'):
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# We patch the field's default value to trigger the warning
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boolean_field = Book._meta.get_field('is_published')
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old_default = boolean_field.default
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try:
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boolean_field.default = NOT_PROVIDED
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result = django_1_6_0.run_checks()
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self.assertEqual(len(result), 1)
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self.assertTrue("You have not set a default value for one or more BooleanFields" in result[0])
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self.assertTrue('check.Book: "is_published"' in result[0])
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# We did not patch the BlogPost.is_published field so
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# there should not be a warning about it
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self.assertFalse('check.BlogPost' in result[0])
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finally:
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# Restore the ``default``
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boolean_field.default = old_default
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def test_check_compatibility(self):
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with self.settings(TEST_RUNNER='django.test.runner.DiscoverRunner'):
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result = base.check_compatibility()
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self.assertEqual(len(result), 1)
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self.assertTrue("Django 1.6 introduced a new default test runner" in result[0])
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with self.settings(TEST_RUNNER='myapp.test.CustomRunnner'):
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self.assertEqual(len(base.check_compatibility()), 0)
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def test_check_compatibility_warning(self):
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# First, we're patching over the ``COMPAT_CHECKS`` with a stub which
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# will trigger the warning.
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base.COMPAT_CHECKS = [
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StubCheckModule(),
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]
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# Next, we unfortunately have to patch out ``warnings``.
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old_warnings = base.warnings
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base.warnings = FakeWarnings()
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self.assertEqual(len(base.warnings._warnings), 0)
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with self.settings(TEST_RUNNER='myapp.test.CustomRunnner'):
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self.assertEqual(len(base.check_compatibility()), 0)
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self.assertEqual(len(base.warnings._warnings), 1)
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self.assertTrue("The 'StubCheckModule' module lacks a 'run_checks'" in base.warnings._warnings[0])
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# Restore the ``warnings``.
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base.warnings = old_warnings
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def test_management_command(self):
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# Again, we unfortunately have to patch out ``warnings``. Different
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old_warnings = check.warnings
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check.warnings = FakeWarnings()
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self.assertEqual(len(check.warnings._warnings), 0)
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# Should not produce any warnings.
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with self.settings(TEST_RUNNER='myapp.test.CustomRunnner'):
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call_command('check')
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self.assertEqual(len(check.warnings._warnings), 0)
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with self.settings(TEST_RUNNER='django.test.runner.DiscoverRunner'):
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call_command('check')
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self.assertEqual(len(check.warnings._warnings), 1)
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self.assertTrue("Django 1.6 introduced a new default test runner" in check.warnings._warnings[0])
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# Restore the ``warnings``.
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base.warnings = old_warnings
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