| import inspect |
| from unittest import TestCase |
| from nose.tools import assert_equal |
| from nose.plugins.skip import SkipTest |
| |
| from .compat import PY3 |
| from .parameterized import parameterized, param |
| |
| def assert_contains(haystack, needle): |
| if needle not in haystack: |
| raise AssertionError("%r not in %r" %(needle, haystack)) |
| |
| missing_tests = set([ |
| "test_naked_function(42, bar=None)", |
| "test_naked_function('foo0', bar=None)", |
| "test_naked_function('foo1', bar=None)", |
| "test_naked_function('foo2', bar=42)", |
| "test_instance_method(42, bar=None)", |
| "test_instance_method('foo0', bar=None)", |
| "test_instance_method('foo1', bar=None)", |
| "test_instance_method('foo2', bar=42)", |
| "test_on_TestCase(42, bar=None)", |
| "test_on_TestCase('foo0', bar=None)", |
| "test_on_TestCase('foo1', bar=None)", |
| "test_on_TestCase('foo2', bar=42)", |
| "test_on_TestCase2_custom_name_42(42, bar=None)", |
| "test_on_TestCase2_custom_name_foo0('foo0', bar=None)", |
| "test_on_TestCase2_custom_name_foo1('foo1', bar=None)", |
| "test_on_TestCase2_custom_name_foo2('foo2', bar=42)", |
| "test_on_old_style_class('foo')", |
| "test_on_old_style_class('bar')", |
| ]) |
| |
| test_params = [ |
| (42, ), |
| "foo0", |
| param("foo1"), |
| param("foo2", bar=42), |
| ] |
| |
| @parameterized(test_params) |
| def test_naked_function(foo, bar=None): |
| missing_tests.remove("test_naked_function(%r, bar=%r)" %(foo, bar)) |
| |
| |
| class TestParameterized(object): |
| @parameterized(test_params) |
| def test_instance_method(self, foo, bar=None): |
| missing_tests.remove("test_instance_method(%r, bar=%r)" %(foo, bar)) |
| |
| |
| def custom_naming_func(testcase_func, param_num, param): |
| return testcase_func.__name__ + '_custom_name_' + str(param.args[0]) |
| |
| class TestParamerizedOnTestCase(TestCase): |
| @parameterized.expand(test_params) |
| def test_on_TestCase(self, foo, bar=None): |
| missing_tests.remove("test_on_TestCase(%r, bar=%r)" %(foo, bar)) |
| |
| @parameterized.expand(test_params, testcase_func_name=custom_naming_func) |
| def test_on_TestCase2(self, foo, bar=None): |
| stack = inspect.stack() |
| frame = stack[1] |
| frame_locals = frame[0].f_locals |
| nose_test_method_name = frame_locals['a'][0]._testMethodName |
| expected_name = "test_on_TestCase2_custom_name_" + str(foo) |
| assert_equal(nose_test_method_name, expected_name, |
| "Test Method name '%s' did not get customized to expected: '%s'" % |
| (nose_test_method_name, expected_name)) |
| missing_tests.remove("%s(%r, bar=%r)" %(expected_name, foo, bar)) |
| |
| def test_warns_when_using_parameterized_with_TestCase(): |
| try: |
| class TestTestCaseWarnsOnBadUseOfParameterized(TestCase): |
| @parameterized([42]) |
| def test_in_subclass_of_TestCase(self, foo): |
| pass |
| except Exception as e: |
| assert_contains(str(e), "parameterized.expand") |
| else: |
| raise AssertionError("Expected exception not raised") |
| |
| missing_tests.add("test_wrapped_iterable_input()") |
| @parameterized(lambda: iter(["foo"])) |
| def test_wrapped_iterable_input(foo): |
| missing_tests.remove("test_wrapped_iterable_input()") |
| |
| def test_helpful_error_on_non_iterable_input(): |
| try: |
| for _ in parameterized(lambda: 42)(lambda: None)(): |
| pass |
| except Exception as e: |
| assert_contains(str(e), "expected iterable input") |
| else: |
| raise AssertionError("Expected exception not raised") |
| |
| |
| def teardown_module(): |
| missing = sorted(list(missing_tests)) |
| assert_equal(missing, []) |
| |
| |
| def test_old_style_classes(): |
| if PY3: |
| raise SkipTest("Py3 doesn't have old-style classes") |
| class OldStyleClass: |
| @parameterized(["foo"]) |
| def parameterized_method(self, param): |
| pass |
| try: |
| list(OldStyleClass().parameterized_method()) |
| except TypeError as e: |
| assert_contains(str(e), "new-style") |
| assert_contains(str(e), "parameterized.expand") |
| assert_contains(str(e), "OldStyleClass") |
| else: |
| raise AssertionError("expected TypeError not raised by old-style class") |
| |
| |
| class TestOldStyleClass: |
| @parameterized.expand(["foo", "bar"]) |
| def test_old_style_classes(self, param): |
| missing_tests.remove("test_on_old_style_class(%r)" %(param, )) |