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|
# ==================================================================================================================== #
# _____ _ _ _ _ _ _ _ _ #
# _ __ _ |_ _|__ ___ | (_)_ __ __ _ / \ | |_| |_ _ __(_) |__ _ _| |_ ___ ___ #
# | '_ \| | | || |/ _ \ / _ \| | | '_ \ / _` | / _ \| __| __| '__| | '_ \| | | | __/ _ \/ __| #
# | |_) | |_| || | (_) | (_) | | | | | | (_| |_ / ___ \ |_| |_| | | | |_) | |_| | || __/\__ \ #
# | .__/ \__, ||_|\___/ \___/|_|_|_| |_|\__, (_)_/ \_\__|\__|_| |_|_.__/ \__,_|\__\___||___/ #
# |_| |___/ |___/ #
# ==================================================================================================================== #
# Authors: #
# Patrick Lehmann #
# #
# License: #
# ==================================================================================================================== #
# Copyright 2017-2025 Patrick Lehmann - Bötzingen, Germany #
# Copyright 2007-2016 Patrick Lehmann - Dresden, Germany #
# #
# 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. #
# #
# SPDX-License-Identifier: Apache-2.0 #
# ==================================================================================================================== #
#
"""
Unit tests for attributes attached to methods.
"""
from unittest import TestCase
from pyTooling.MetaClasses import ExtendedType
from pytest import mark
from pyTooling.Attributes import Attribute
if __name__ == "__main__": # pragma: no cover
print("ERROR: you called a testcase declaration file as an executable module.")
print("Use: 'python -m unittest <testcase module>'")
exit(1)
class ApplyClassAttributes(TestCase):
def test_SingleClass(self) -> None:
class AttributeA(Attribute):
pass
@AttributeA()
class Class1:
pass
foundClasses = [c for c in AttributeA.GetClasses()]
self.assertListEqual(foundClasses, [Class1])
def test_MultipleClasses(self) -> None:
class AttributeA(Attribute):
pass
@AttributeA()
class Class1:
pass
@AttributeA()
class Class2:
pass
foundClasses = [c for c in AttributeA.GetClasses()]
self.assertListEqual(foundClasses, [Class1, Class2])
def test_MultipleAttributes(self) -> None:
class AttributeA(Attribute):
pass
class AttributeB(Attribute):
pass
@AttributeA()
@AttributeB()
class Class1:
pass
foundClassesForA = [c for c in AttributeA.GetClasses()]
foundClassesForB = [c for c in AttributeB.GetClasses()]
self.assertListEqual(foundClassesForA, [Class1])
self.assertListEqual(foundClassesForB, [Class1])
def test_MultipleClassesAndAttributes(self) -> None:
class AttributeA(Attribute):
pass
class AttributeB(Attribute):
pass
@AttributeA()
class Class1:
pass
@AttributeA()
@AttributeB()
class Class2:
pass
@AttributeB()
@AttributeA()
class Class3:
pass
@AttributeB()
class Class4:
pass
foundClassesForA = [c for c in AttributeA.GetClasses()]
foundClassesForB = [c for c in AttributeB.GetClasses()]
self.assertListEqual(foundClassesForA, [Class1, Class2, Class3])
self.assertListEqual(foundClassesForB, [Class2, Class3, Class4])
def test_DerivedAttributes(self) -> None:
class AttributeA1(Attribute):
pass
class AttributeA2(AttributeA1):
pass
@AttributeA1()
class Class1:
pass
@AttributeA2()
class Class2:
pass
foundClassesForA1 = [c for c in AttributeA1.GetClasses()]
foundClassesForA2 = [c for c in AttributeA2.GetClasses()]
self.assertListEqual(foundClassesForA1, [Class1])
self.assertListEqual(foundClassesForA2, [Class2])
def test_DoubleAppliedAttribute(self) -> None:
class AttributeA(Attribute):
pass
@AttributeA()
@AttributeA()
class Class1:
pass
foundClasses = [c for c in AttributeA.GetClasses()]
self.assertListEqual(foundClasses, [Class1, Class1])
def test_AttributeAndDerivedAttribute(self) -> None:
class AttributeA1(Attribute):
pass
class AttributeA2(AttributeA1):
pass
@AttributeA1()
@AttributeA2()
class Class1:
pass
foundClassesForA1 = [c for c in AttributeA1.GetClasses()]
foundClassesForA2 = [c for c in AttributeA2.GetClasses()]
self.assertListEqual(foundClassesForA1, [Class1])
self.assertListEqual(foundClassesForA2, [Class1])
class ModuleAttribute(Attribute):
pass
class GlobalAttribute(Attribute):
pass
@ModuleAttribute()
@GlobalAttribute()
class ModuleClass:
pass
@ModuleAttribute()
@GlobalAttribute()
class InnerClass:
pass
class Filtering(TestCase):
def test_SubclassOf(self) -> None:
class AttributeA(Attribute):
pass
@AttributeA()
class Class1(metaclass=ExtendedType):
pass
class Class2(Class1):
pass
class Class3(Class2):
pass
foundClasses = [c for c in AttributeA.GetClasses()]
foundClassesForC1 = [c for c in AttributeA.GetClasses(subclassOf=Class1)]
foundClassesForC2 = [c for c in AttributeA.GetClasses(subclassOf=Class2)]
foundClassesForC3 = [c for c in AttributeA.GetClasses(subclassOf=Class3)]
self.assertListEqual(foundClasses, [Class1, Class2, Class3])
self.assertListEqual(foundClassesForC1, [Class1, Class2, Class3])
self.assertListEqual(foundClassesForC2, [Class2, Class3])
self.assertListEqual(foundClassesForC3, [Class3])
def test_Scope_Module(self) -> None:
from sys import modules
foundClasses = [c for c in ModuleAttribute.GetClasses()]
foundModuleClasses = [c for c in ModuleAttribute.GetClasses(scope=modules[ModuleClass.__module__])]
self.assertListEqual(foundClasses, [ModuleClass.InnerClass, ModuleClass])
self.assertListEqual(foundModuleClasses, [ModuleClass])
@mark.skip(reason="Unclear how to get a local scope object.")
def test_Scope_Local(self) -> None:
class LocalAttribute(Attribute):
pass
@LocalAttribute()
class LocalClass:
pass
@LocalAttribute()
class NestedClass:
pass
l = locals()
foundClasses = [c for c in LocalAttribute.GetClasses()]
foundLocalClasses = [c for c in LocalAttribute.GetClasses(scope=l)]
self.assertListEqual(foundClasses, [LocalClass.NestedClass, LocalClass])
self.assertListEqual(foundLocalClasses, [LocalClass])
def test_Scope_Nested(self) -> None:
@GlobalAttribute()
class LocalClass:
pass
@GlobalAttribute()
class NestedClass:
pass
l = locals()
foundClasses = [c for c in GlobalAttribute.GetClasses()]
foundInnerClasses = [c for c in GlobalAttribute.GetClasses(scope=ModuleClass)]
foundNestedClasses = [c for c in GlobalAttribute.GetClasses(scope=LocalClass)]
self.assertListEqual(foundClasses, [ModuleClass.InnerClass, ModuleClass, LocalClass.NestedClass, LocalClass])
self.assertListEqual(foundInnerClasses, [ModuleClass.InnerClass])
self.assertListEqual(foundNestedClasses, [LocalClass.NestedClass])
def test_Scope_SubclassOf_Nested(self) -> None:
class LocalAttribute(Attribute):
pass
class Base:
pass
@LocalAttribute()
class LocalClass:
pass
@LocalAttribute()
class NestedClass1:
pass
@LocalAttribute()
class NestedClass2(Base):
pass
foundClasses = [c for c in LocalAttribute.GetClasses()]
foundNestedClasses = [c for c in LocalAttribute.GetClasses(scope=LocalClass, subclassOf=Base)]
self.assertListEqual(foundClasses, [LocalClass.NestedClass1, LocalClass.NestedClass2, LocalClass])
self.assertListEqual(foundNestedClasses, [LocalClass.NestedClass2])
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