How to use ExceptionFactoryTest.class.getClassLoader method of org.mockito.internal.junit.ExceptionFactoryTest class

Best Mockito code snippet using org.mockito.internal.junit.ExceptionFactoryTest.ExceptionFactoryTest.class.getClassLoader

Source:ExceptionFactoryTest.java

1/*2 * Copyright (c) 2017 Mockito contributors3 * This program is made available under the terms of the MIT License.4 */5package org.mockito.internal.junit;6import static org.assertj.core.api.Assertions.assertThat;7import static org.mockitoutil.ClassLoaders.excludingClassLoader;8import java.lang.reflect.Method;9import org.junit.BeforeClass;10import org.junit.Test;11import org.mockito.exceptions.verification.ArgumentsAreDifferent;12public class ExceptionFactoryTest {13    private static final ClassLoader classLoaderWithoutJUnitOrOpenTest =14            excludingClassLoader()15                    .withCodeSourceUrlOf(ExceptionFactory.class)16                    .without("org.junit", "junit", "org.opentest4j")17                    .build();18    private static final ClassLoader currentClassLoader =19            ExceptionFactoryTest.class.getClassLoader();20    /** loaded by the current classloader */21    private static Class<?> opentestComparisonFailure;22    private static Class<?> opentestArgumentsAreDifferent;23    /** loaded by the custom classloader {@value #classLoaderWithoutJUnitOrOpenTest}, which excludes JUnit and OpenTest4J classes */24    private static Class<?> nonJunitArgumentsAreDifferent;25    @BeforeClass26    public static void init() throws ClassNotFoundException {27        nonJunitArgumentsAreDifferent =28                classLoaderWithoutJUnitOrOpenTest.loadClass(ArgumentsAreDifferent.class.getName());29        opentestComparisonFailure = org.opentest4j.AssertionFailedError.class;30        opentestArgumentsAreDifferent =31                org.mockito.exceptions.verification.opentest4j.ArgumentsAreDifferent.class;32    }33    @Test34    public void createArgumentsAreDifferentException_withoutJUnitOrOpenTest() throws Exception {35        AssertionError e = invokeFactoryThroughLoader(classLoaderWithoutJUnitOrOpenTest);36        assertThat(e).isExactlyInstanceOf(nonJunitArgumentsAreDifferent);37    }38    @Test39    public void createArgumentsAreDifferentException_withOpenTest() throws Exception {40        AssertionError e = invokeFactoryThroughLoader(currentClassLoader);41        assertThat(e)42                .isExactlyInstanceOf(opentestArgumentsAreDifferent)43                .isInstanceOf(opentestComparisonFailure);44    }45    @Test46    public void createArgumentsAreDifferentException_withoutJUnitOrOpenTest_2x() throws Exception {47        AssertionError e;48        e = invokeFactoryThroughLoader(classLoaderWithoutJUnitOrOpenTest);49        assertThat(e).isExactlyInstanceOf(nonJunitArgumentsAreDifferent);50        e = invokeFactoryThroughLoader(classLoaderWithoutJUnitOrOpenTest);51        assertThat(e).isExactlyInstanceOf(nonJunitArgumentsAreDifferent);52    }53    @Test54    public void createArgumentsAreDifferentException_withOpenTest_2x() throws Exception {55        AssertionError e;56        e = invokeFactoryThroughLoader(currentClassLoader);57        assertThat(e).isExactlyInstanceOf(opentestArgumentsAreDifferent);58        e = invokeFactoryThroughLoader(currentClassLoader);59        assertThat(e).isExactlyInstanceOf(opentestArgumentsAreDifferent);60    }61    private static AssertionError invokeFactoryThroughLoader(ClassLoader loader) throws Exception {62        Class<?> exceptionFactory = loader.loadClass(ExceptionFactory.class.getName());63        Method m =64                exceptionFactory.getDeclaredMethod(65                        "createArgumentsAreDifferentException",66                        String.class,67                        String.class,68                        String.class);69        return (AssertionError) m.invoke(null, "message", "wanted", "actual");70    }71}...

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