116 lines
4.3 KiB
Python
116 lines
4.3 KiB
Python
import sys
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import unittest
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from io import StringIO
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from django.db import connection
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from django.test import TestCase
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from django.test.runner import DiscoverRunner
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from .models import Person
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@unittest.skipUnless(connection.vendor == 'sqlite', 'Only run on sqlite so we can check output SQL.')
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class TestDebugSQL(unittest.TestCase):
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class PassingTest(TestCase):
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def runTest(self):
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Person.objects.filter(first_name='pass').count()
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class FailingTest(TestCase):
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def runTest(self):
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Person.objects.filter(first_name='fail').count()
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self.fail()
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class ErrorTest(TestCase):
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def runTest(self):
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Person.objects.filter(first_name='error').count()
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raise Exception
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class PassingSubTest(TestCase):
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def runTest(self):
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with self.subTest():
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Person.objects.filter(first_name='subtest-pass').count()
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class FailingSubTest(TestCase):
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def runTest(self):
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with self.subTest():
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Person.objects.filter(first_name='subtest-fail').count()
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self.fail()
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class ErrorSubTest(TestCase):
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def runTest(self):
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with self.subTest():
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Person.objects.filter(first_name='subtest-error').count()
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raise Exception
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def _test_output(self, verbosity):
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runner = DiscoverRunner(debug_sql=True, verbosity=0)
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suite = runner.test_suite()
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suite.addTest(self.FailingTest())
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suite.addTest(self.ErrorTest())
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suite.addTest(self.PassingTest())
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suite.addTest(self.PassingSubTest())
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suite.addTest(self.FailingSubTest())
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suite.addTest(self.ErrorSubTest())
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old_config = runner.setup_databases()
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stream = StringIO()
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resultclass = runner.get_resultclass()
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runner.test_runner(
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verbosity=verbosity,
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stream=stream,
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resultclass=resultclass,
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).run(suite)
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runner.teardown_databases(old_config)
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return stream.getvalue()
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def test_output_normal(self):
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full_output = self._test_output(1)
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for output in self.expected_outputs:
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self.assertIn(output, full_output)
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for output in self.verbose_expected_outputs:
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self.assertNotIn(output, full_output)
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def test_output_verbose(self):
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full_output = self._test_output(2)
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for output in self.expected_outputs:
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self.assertIn(output, full_output)
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for output in self.verbose_expected_outputs:
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self.assertIn(output, full_output)
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expected_outputs = [
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('''SELECT COUNT(*) AS "__count" '''
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'''FROM "test_runner_person" WHERE '''
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'''"test_runner_person"."first_name" = 'error';'''),
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('''SELECT COUNT(*) AS "__count" '''
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'''FROM "test_runner_person" WHERE '''
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'''"test_runner_person"."first_name" = 'fail';'''),
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('''SELECT COUNT(*) AS "__count" '''
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'''FROM "test_runner_person" WHERE '''
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'''"test_runner_person"."first_name" = 'subtest-error';'''),
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('''SELECT COUNT(*) AS "__count" '''
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'''FROM "test_runner_person" WHERE '''
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'''"test_runner_person"."first_name" = 'subtest-fail';'''),
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]
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verbose_expected_outputs = [
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# Output format changed in Python 3.5+
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x.format('' if sys.version_info < (3, 5) else 'TestDebugSQL.') for x in [
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'runTest (test_runner.test_debug_sql.{}FailingTest) ... FAIL',
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'runTest (test_runner.test_debug_sql.{}ErrorTest) ... ERROR',
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'runTest (test_runner.test_debug_sql.{}PassingTest) ... ok',
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'runTest (test_runner.test_debug_sql.{}PassingSubTest) ... ok',
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# If there are errors/failures in subtests but not in test itself,
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# the status is not written. That behavior comes from Python.
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'runTest (test_runner.test_debug_sql.{}FailingSubTest) ...',
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'runTest (test_runner.test_debug_sql.{}ErrorSubTest) ...',
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]
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] + [
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('''SELECT COUNT(*) AS "__count" '''
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'''FROM "test_runner_person" WHERE '''
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'''"test_runner_person"."first_name" = 'pass';'''),
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('''SELECT COUNT(*) AS "__count" '''
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'''FROM "test_runner_person" WHERE '''
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'''"test_runner_person"."first_name" = 'subtest-pass';'''),
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]
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