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|
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import ast
import sys
from unittest import mock
from tests.unit import test
from tests.unit import test_mock
class VariantsTestCase(test.TestCase):
def setUp(self):
self.variants = test_mock.Variants(["test", "foo", "bar"])
super(VariantsTestCase, self).setUp()
def test_print(self):
self.assertEqual(
"{'mock_test', 'mock_foo', 'mock_bar'}",
repr(self.variants)
)
def test_print_long(self):
variants = test_mock.Variants(["test", "foo", "bar", "buz"])
self.assertEqual(
"{'mock_test', 'mock_foo', 'mock_bar', ...}",
repr(variants)
)
def test_equal(self):
self.assertEqual(["test", "foo", "bar"], self.variants)
self.assertEqual(self.variants, self.variants)
mock_variants = mock.Mock(variants=["test", "foo", "bar"])
self.assertEqual(mock_variants, self.variants)
self.assertNotEqual(["abc"], self.variants)
def test_contains(self):
self.assertIn("test", self.variants)
self.assertNotIn("abc", self.variants)
class FuncMockArgsDecoratorsCheckerTestCase(test.TestCase):
code = """
@mock.patch("os.path.join")
@mock.patch("pkg.module1.OtherObject.method")
@mock.patch("pkg.module2.MyClassObject.method")
@mock.patch.object(pkg.SomeKindOfObject, "abc")
@mock.patch.object(pkg.MyClassObject, "abc")
def test_func(self, mock_args, mock_args2, mock_some_longer_args):
pass
"""
code_mock_decorators = [
["abc", "my_class_object_abc", "pkg_my_class_object_abc"],
["some_kind_of_object_abc", "pkg_some_kind_of_object_abc"],
[
"method",
"my_class_object_method",
"module2_my_class_object_method",
"pkg_module2_my_class_object_method"
],
[
"other_object_method",
"module1_other_object_method",
"pkg_module1_other_object_method",
],
[
"join",
"path_join",
"os_path_join"
],
]
code_mock_args = ["args", "args2", "some_longer_args"]
def setUp(self):
super(FuncMockArgsDecoratorsCheckerTestCase, self).setUp()
self.visitor = test_mock.FuncMockArgsDecoratorsChecker()
self.visitor.classname_python = ""
self.visitor.globals_["EXPR"] = "expression"
self.tree = self._parse_expr(self.code)
def _parse_expr(self, code):
firstbody = ast.parse(code).body[0]
if isinstance(firstbody, ast.Expr):
return firstbody.value
return firstbody
def test__get_name(self):
self.assertEqual(
"os.path.join",
self.visitor._get_name(self._parse_expr("os.path.join"))
)
def test__get_value_str(self):
self.assertEqual(
"not.your.fault",
self.visitor._get_value(self._parse_expr("'not.your.fault'"))
)
def test__get_value_mod(self):
self.assertEqual(
"some.crazy.mod.expression",
self.visitor._get_value(
self._parse_expr("'some.crazy.mod.%s' % EXPR")
)
)
def test__get_value_add(self):
self.assertEqual(
"expression.some.crazy.add",
self.visitor._get_value(
self._parse_expr("EXPR + '.some.crazy.add'")
)
)
def test__get_value_global(self):
self.assertEqual(
"expression",
self.visitor._get_value(
self._parse_expr("EXPR")
)
)
def test__get_value_none(self):
self.assertRaises(
ValueError,
self.visitor._get_value,
ast.parse("import abc")
)
def test__get_value_asserts(self):
self.assertRaises(
ValueError,
self.visitor._get_value,
self._parse_expr("EXPR % 'abc'")
)
self.assertRaises(
ValueError,
self.visitor._get_value,
self._parse_expr("'abc' + EXPR")
)
def test__camelcase_to_python_camel(self):
self.assertEqual(
"some_class_name",
self.visitor._camelcase_to_python("SomeClassName")
)
def test__camelcase_to_python_python(self):
self.assertEqual(
"some_python_name",
self.visitor._camelcase_to_python("some_python_name")
)
def test__get_mocked_class_value_variants_matches_class(self):
self.visitor.classname_python = "foo_class"
self.assertEqual(
["mocked_obj", "foo_class_mocked_obj"],
self.visitor._get_mocked_class_value_variants(
class_name="FooClass",
mocked_name="MockedObj"
)
)
def test__get_mocked_class_value_variants_different_class(self):
self.visitor.classname_python = "foo_class"
self.assertEqual(
["bar_class_mocked_obj"],
self.visitor._get_mocked_class_value_variants(
class_name="BarClass",
mocked_name="MockedObj"
)
)
def test__add_pkg_optional_prefixes(self):
self.assertEqual(
["foo", "bar", "bar_class_bar", "pkg_bar_class_bar",
"some_pkg_bar_class_bar"],
self.visitor._add_pkg_optional_prefixes(
"some.pkg.BarClass".split("."),
["foo", "bar"]
)
)
def test__get_mocked_name_variants_single(self):
self.assertEqual(
["foo_bar"],
self.visitor._get_mocked_name_variants(
"FooBar"
)
)
self.assertEqual(
["foobar"],
self.visitor._get_mocked_name_variants(
"foobar"
)
)
def test__get_mocked_name_variants_classname(self):
self.visitor.classname_python = "foo_bar"
self.assertEqual(
["method", "foo_bar_method", "pkg_foo_bar_method"],
self.visitor._get_mocked_name_variants(
"pkg.FooBar.method"
)
)
self.visitor.classname_python = ""
self.assertEqual(
["foo_bar_method", "pkg_foo_bar_method"],
self.visitor._get_mocked_name_variants(
"pkg.FooBar.method"
)
)
def test__get_mocked_name_variants_pkg(self):
self.assertEqual(
["method", "pkg_method", "long_pkg_method",
"some_long_pkg_method"],
self.visitor._get_mocked_name_variants(
"some.long.pkg.method"
)
)
def test__get_mock_decorators_variants(self):
self.visitor.classname_python = "my_class_object"
self.assertEqual(
self.code_mock_decorators,
self.visitor._get_mock_decorators_variants(self.tree)
)
def test__get_mock_args(self):
self.assertEqual(
self.code_mock_args,
self.visitor._get_mock_args(self.tree)
)
def test_visit_Assign(self):
self.visitor.globals_ = {}
self.visitor.visit_Assign(
self._parse_expr("ABC = '20' + '40'")
)
self.assertEqual(
{"ABC": "2040"},
self.visitor.globals_
)
self.visitor.visit_Assign(
self._parse_expr("abc = 20 + 40")
)
self.assertEqual(
{"ABC": "2040", "abc": 60},
self.visitor.globals_
)
def test_visit_ClassDef(self):
self.visitor.visit_ClassDef(
self._parse_expr("class MyObject(object): pass")
)
self.assertEqual(
"my_object",
self.visitor.classname_python
)
self.visitor.visit_ClassDef(
self._parse_expr("class YourObjectTestCase(object): pass")
)
self.assertEqual(
"your_object",
self.visitor.classname_python
)
def test_visit_FunctionDef_empty_decs(self):
self.visitor._get_mock_decorators_variants = mock.Mock(
return_value=[]
)
self.assertIsNone(self.visitor.visit_FunctionDef(self.tree))
self.assertEqual([], self.visitor.errors)
self.visitor._get_mock_decorators_variants.assert_called_once_with(
self.tree
)
def test_visit_FunctionDef_good(self):
self.visitor._get_mock_decorators_variants = mock.Mock(
return_value=[
["foo", "foo_bar", "pkg_foo_bar"]
]
)
self.visitor._get_mock_args = mock.Mock(
return_value=["pkg_foo_bar"]
)
self.assertIsNone(self.visitor.visit_FunctionDef(self.tree))
self.assertEqual([], self.visitor.errors)
self.visitor._get_mock_decorators_variants.assert_called_once_with(
self.tree
)
self.visitor._get_mock_args.assert_called_once_with(
self.tree
)
def test_visit_FunctionDef_misnamed(self):
variants = test_mock.Variants(
["foo", "foo_bar", "pkg_foo_bar", "a"]
)
self.visitor._get_mock_decorators_variants = mock.Mock(
return_value=[variants]
)
self.visitor._get_mock_args = mock.Mock(
return_value=["bar_foo_misnamed"]
)
self.assertIsNone(self.visitor.visit_FunctionDef(self.tree))
if sys.version_info < (3, 8):
# https://github.com/python/cpython/pull/9731
lineno = 2
else:
lineno = 7
self.assertEqual(
[
{
"lineno": lineno,
"messages": [
"Argument 'mock_bar_foo_misnamed' misnamed; should be "
"either of %s that is derived from the mock decorator "
"args.\n" % variants
],
"mismatch_pairs": [
("bar_foo_misnamed", variants)
]
}
],
self.visitor.errors)
self.visitor._get_mock_decorators_variants.assert_called_once_with(
self.tree
)
self.visitor._get_mock_args.assert_called_once_with(
self.tree
)
def test_visit_FunctionDef_mismatch_args(self):
variants = test_mock.Variants(
["foo", "foo_bar", "pkg_foo_bar", "a"]
)
self.visitor._get_mock_decorators_variants = mock.Mock(
return_value=[variants]
)
self.visitor._get_mock_args = mock.Mock(
return_value=["bar_foo_misnamed", "mismatched"]
)
self.assertIsNone(self.visitor.visit_FunctionDef(self.tree))
if sys.version_info < (3, 8):
# https://github.com/python/cpython/pull/9731
lineno = 2
else:
lineno = 7
self.assertEqual(
[
{
"lineno": lineno,
"messages": [
"Argument 'mock_bar_foo_misnamed' misnamed; should be "
"either of %s that is derived from the mock decorator "
"args.\n" % variants,
"Missing or malformed decorator for 'mock_mismatched' "
"argument."
],
"args": self.visitor._get_mock_args.return_value,
"decs": [variants]
}
],
self.visitor.errors)
self.visitor._get_mock_decorators_variants.assert_called_once_with(
self.tree
)
self.visitor._get_mock_args.assert_called_once_with(
self.tree
)
def test_visit_FunctionDef_mismatch_decs(self):
variants = test_mock.Variants(
["foo", "foo_bar", "pkg_foo_bar", "a"]
)
self.visitor._get_mock_decorators_variants = mock.Mock(
return_value=[variants]
)
self.visitor._get_mock_args = mock.Mock(
return_value=[]
)
self.assertIsNone(self.visitor.visit_FunctionDef(self.tree))
if sys.version_info < (3, 8):
# https://github.com/python/cpython/pull/9731
lineno = 2
else:
lineno = 7
self.assertEqual(
[
{
"lineno": lineno,
"messages": [
"Missing or malformed argument for {'mock_foo', "
"'mock_foo_bar', 'mock_pkg_foo_bar', ...} decorator."
],
"args": self.visitor._get_mock_args.return_value,
"decs": [variants]
}
],
self.visitor.errors)
self.visitor._get_mock_decorators_variants.assert_called_once_with(
self.tree
)
self.visitor._get_mock_args.assert_called_once_with(
self.tree
)
def test_visit(self):
self.visitor.classname_python = "my_class_object"
self.visitor.visit(self.tree)
self.assertEqual(
self.code_mock_args,
self.visitor.errors[0]["args"]
)
self.assertEqual(
self.code_mock_decorators,
self.visitor.errors[0]["decs"]
)
if sys.version_info < (3, 8):
# https://github.com/python/cpython/pull/9731
lineno = 2
else:
lineno = 7
self.assertEqual(lineno, self.visitor.errors[0]["lineno"])
def test_visit_ok(self):
self.visitor.classname_python = "my_class_object"
self.visitor.visit(
self._parse_expr(
"""
class MyClassObjectTestCase(object):
@mock.patch("foo.bar.MyClassObject.yep")
@mock.patch("foo.bar.ClassName.ok")
@mock.patch.object(pkg.FooClass, "method")
def test_mockings(self, mock_pkg_foo_class_method, mock_class_name_ok,
mock_yep):
pass
""")
)
self.assertEqual(
[],
self.visitor.errors
)
|
