/usr/lib/python3/dist-packages/plainbox/testing_utils/test_testcases.py is in python3-plainbox 0.25-1.
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#
#
# Copyright 2012 Canonical Ltd.
# Written by:
# Zygmunt Krynicki <zygmunt.krynicki@canonical.com>
#
# Checkbox is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 3,
# as published by the Free Software Foundation.
#
# Checkbox is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Checkbox. If not, see <http://www.gnu.org/licenses/>.
"""
plainbox.testing_utils.test_testscases
======================================
Test definitions for plainbox.testing_utils.testcases module
"""
from unittest import TestCase, TestResult
from plainbox.testing_utils.testcases import TestCaseParameters
from plainbox.testing_utils.testcases import TestCaseWithParameters
class TestParameterTests(TestCase):
def test_smoke(self):
names = ('foo', 'bar')
values = (1, 2)
params = TestCaseParameters(names, values)
self.assertEqual(params.foo, 1)
self.assertEqual(params.bar, 2)
with self.assertRaises(AttributeError):
params.not_there
self.assertEqual(str(params), "foo: 1, bar: 2")
self.assertEqual(repr(params), "<TestCaseParameters foo: 1, bar: 2>")
def test_eq(self):
# Equal names and values
self.assertEqual(TestCaseParameters(('a', 'b'), (1, 2)),
TestCaseParameters(('a', 'b'), (1, 2)))
# Different values
self.assertNotEqual(TestCaseParameters(('a', 'b'), (1, 2)),
TestCaseParameters(('a', 'c'), (1, 2)))
# Different names
self.assertNotEqual(TestCaseParameters(('a', 'b'), (1, 2)),
TestCaseParameters(('a', 'b'), (1, 3)))
class TestCaseWithParametersTests(TestCase):
class UpperTests(TestCaseWithParameters):
parameter_names = ('original', 'upper')
parameter_values = (
('lower', 'LOWER'),
('typo', 'TYPo'), # broken on purpose
('mIxEd CaSe', 'MIXED CASE'),
)
def test_str_upper(self):
self.assertEqual(
self.parameters.original.upper(),
self.parameters.upper)
def setUp(self):
self.test_case = self.UpperTests('test_str_upper')
self.parametrized_test_case = self.test_case._parametrize(
TestCaseParameters(
self.UpperTests.parameter_names,
('foo', 'FOO')))
def test_smoke(self):
result = TestResult()
self.test_case.run(result)
# There were no errors (syntax errors and other such stuff)
self.assertEqual(len(result.errors), 0)
# There was one test failure
self.assertEqual(len(result.failures), 1)
failing_test_case, traceback = result.failures[0]
# The test case that failed is an instance of what was being tested
self.assertIsInstance(failing_test_case, self.UpperTests)
# But they are not the same instance anymore
self.assertIsNot(failing_test_case, self.test_case)
# Because the parameters were preserved
self.assertEqual(failing_test_case.parameters.original, "typo")
def test_countTestCases(self):
# There are three parameter values
self.assertEqual(self.test_case.countTestCases(), 3)
# This test is parametrized so it counts as only one
self.assertEqual(self.parametrized_test_case.countTestCases(), 1)
def test_countTestCases_regression_1265748(self):
"""
verify regression testing for bug:
https://bugs.launchpad.net/checkbox/+bug/1265748
TestCaseWithParameters.countTestCases() should work when
get_paremeter_values() reteurns a generator.
"""
class RegressionTest(TestCaseWithParameters):
parameter_names = ('name1',)
def get_parameter_values(self):
yield ('value1', )
yield ('value2', )
self.assertEqual(RegressionTest().countTestCases(), 2)
def test_id(self):
self.assertIn(
"test_str_upper [<unparameterized>]",
self.test_case.id())
self.assertIn(
"test_str_upper [original: foo, upper: FOO]",
self.parametrized_test_case.id())
def test_str(self):
self.assertIn(
"[<unparameterized>]", str(self.test_case))
self.assertIn(
"[original: foo, upper: FOO]", str(self.parametrized_test_case))
def test_repr(self):
self.assertIn(
"parameters=None>", repr(self.test_case))
self.assertIn(
"parameters=<TestCaseParameters original: foo, upper: FOO>>",
repr(self.parametrized_test_case))
def test_eq(self):
self.assertEqual(self.test_case, self.test_case)
self.assertNotEqual(self.test_case, self.parametrized_test_case)
self.assertNotEqual(self.test_case, 'foo')
def test_hash(self):
case1 = TestCaseWithParameters()
case2 = TestCaseWithParameters()
self.assertEqual(hash(case1), hash(case2))
case1_param = case1._parametrize(
TestCaseParameters(('name', ), ('value', )))
self.assertNotEqual(case1, case1_param)
def test_run_spots_common_mistake(self):
with self.assertRaises(RuntimeError) as boom:
class UpperTests(TestCaseWithParameters):
parameter_names = ('param1',)
parameter_values = (('value1', 'value2'),)
UpperTests().run()
self.assertEqual(
str(boom.exception),
("incorrect get_parameter_values() or parameter_values for"
" iteration 0. Expected to see 1 item but saw 2 instead"))
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