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# Copyright (c) 2009 Jonathan M. Lange. See LICENSE for details.
"""Tests for the RunTest single test execution logic."""
from testtools import (
ExtendedToOriginalDecorator,
RunTest,
TestCase,
TestResult,
)
from testtools.tests.helpers import ExtendedTestResult
class TestRunTest(TestCase):
def make_case(self):
class Case(TestCase):
def test(self):
pass
return Case('test')
def test___init___short(self):
run = RunTest("bar")
self.assertEqual("bar", run.case)
self.assertEqual([], run.handlers)
def test__init____handlers(self):
handlers = [("quux", "baz")]
run = RunTest("bar", handlers)
self.assertEqual(handlers, run.handlers)
def test_run_with_result(self):
# test.run passes result down to _run_test_method.
log = []
class Case(TestCase):
def _run_test_method(self, result):
log.append(result)
case = Case('_run_test_method')
run = RunTest(case, lambda x: log.append(x))
result = TestResult()
run.run(result)
self.assertEqual(1, len(log))
self.assertEqual(result, log[0].decorated)
def test_run_no_result_manages_new_result(self):
log = []
run = RunTest(self.make_case(), lambda x: log.append(x) or x)
result = run.run()
self.assertIsInstance(result.decorated, TestResult)
def test__run_core_called(self):
case = self.make_case()
log = []
run = RunTest(case, lambda x: x)
run._run_core = lambda: log.append('foo')
run.run()
self.assertEqual(['foo'], log)
def test__run_user_does_not_catch_keyboard(self):
case = self.make_case()
def raises():
raise KeyboardInterrupt("yo")
run = RunTest(case, None)
run.result = ExtendedTestResult()
self.assertRaises(KeyboardInterrupt, run._run_user, raises)
self.assertEqual([], run.result._events)
def test__run_user_calls_onException(self):
case = self.make_case()
log = []
def handler(exc_info):
log.append("got it")
self.assertEqual(3, len(exc_info))
self.assertIsInstance(exc_info[1], KeyError)
self.assertIs(KeyError, exc_info[0])
case.addOnException(handler)
e = KeyError('Yo')
def raises():
raise e
def log_exc(self, result, err):
log.append((result, err))
run = RunTest(case, [(KeyError, log_exc)])
run.result = ExtendedTestResult()
status = run._run_user(raises)
self.assertEqual(run.exception_caught, status)
self.assertEqual([], run.result._events)
self.assertEqual(["got it", (run.result, e)], log)
def test__run_user_can_catch_Exception(self):
case = self.make_case()
e = Exception('Yo')
def raises():
raise e
log = []
def log_exc(self, result, err):
log.append((result, err))
run = RunTest(case, [(Exception, log_exc)])
run.result = ExtendedTestResult()
status = run._run_user(raises)
self.assertEqual(run.exception_caught, status)
self.assertEqual([], run.result._events)
self.assertEqual([(run.result, e)], log)
def test__run_user_uncaught_Exception_raised(self):
case = self.make_case()
e = KeyError('Yo')
def raises():
raise e
log = []
def log_exc(self, result, err):
log.append((result, err))
run = RunTest(case, [(ValueError, log_exc)])
run.result = ExtendedTestResult()
self.assertRaises(KeyError, run._run_user, raises)
self.assertEqual([], run.result._events)
self.assertEqual([], log)
def test__run_user_uncaught_Exception_from_exception_handler_raised(self):
case = self.make_case()
def broken_handler(exc_info):
# ValueError because thats what we know how to catch - and must
# not.
raise ValueError('boo')
case.addOnException(broken_handler)
e = KeyError('Yo')
def raises():
raise e
log = []
def log_exc(self, result, err):
log.append((result, err))
run = RunTest(case, [(ValueError, log_exc)])
run.result = ExtendedTestResult()
self.assertRaises(ValueError, run._run_user, raises)
self.assertEqual([], run.result._events)
self.assertEqual([], log)
def test__run_user_returns_result(self):
case = self.make_case()
def returns():
return 1
run = RunTest(case)
run.result = ExtendedTestResult()
self.assertEqual(1, run._run_user(returns))
self.assertEqual([], run.result._events)
def test__run_one_decorates_result(self):
log = []
class Run(RunTest):
def _run_prepared_result(self, result):
log.append(result)
return result
run = Run(self.make_case(), lambda x: x)
result = run._run_one('foo')
self.assertEqual([result], log)
self.assertIsInstance(log[0], ExtendedToOriginalDecorator)
self.assertEqual('foo', result.decorated)
def test__run_prepared_result_calls_start_and_stop_test(self):
result = ExtendedTestResult()
case = self.make_case()
run = RunTest(case, lambda x: x)
run.run(result)
self.assertEqual([
('startTest', case),
('addSuccess', case),
('stopTest', case),
], result._events)
def test__run_prepared_result_calls_stop_test_always(self):
result = ExtendedTestResult()
case = self.make_case()
def inner():
raise Exception("foo")
run = RunTest(case, lambda x: x)
run._run_core = inner
self.assertRaises(Exception, run.run, result)
self.assertEqual([
('startTest', case),
('stopTest', case),
], result._events)
def test_suite():
from unittest import TestLoader
return TestLoader().loadTestsFromName(__name__)
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