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How to use getInstance method of org.powermock.core.test.MockClassLoaderFactory class

Best Powermock code snippet using org.powermock.core.test.MockClassLoaderFactory.getInstance

Source:MockClassLoaderTest.java

...74    public void should_load_and_modify_class_from_package_which_specified() throws Exception {75        76        String className = "powermock.test.support.ClassForMockClassLoaderTestCase";77        78        MockClassLoader mockClassLoader = mockClassLoaderFactory.getInstance(new String[]{79            className80        });81        mockClassLoader.setMockTransformerChain(mockTransformerChain);82        83        Class<?> clazz = Class.forName(className, false, mockClassLoader);84        85        assertClassIsLoaded(clazz, mockClassLoader);86        87        assertThatInstanceCouldBeCreateAndMethodReturnMockedValue(clazz);88    }89    90    @Test91    public void should_load_and_not_modify_class_from_package_which_are_not_specified_as_ignored_or_class_to_mock() throws Exception {92        93        String className = "powermock.test.support.ClassForMockClassLoaderTestCase";94        95        MockClassLoader mockClassLoader = mockClassLoaderFactory.getInstance(new String[0]);96        mockClassLoader.setMockTransformerChain(mockTransformerChain);97        98        Class<?> clazz = Class.forName(className, false, mockClassLoader);99        100        assertClassIsLoaded(clazz, mockClassLoader);101        102        assertThatInstanceCouldBeCreateAndMethodReturnNotMockedValue(clazz);103    }104    105    @Test106    public void should_load_system_classes() throws Exception {107        MockClassLoader mockClassLoader = mockClassLoaderFactory.getInstance(new String[]{"org.mytest.myclass"});108        109        Class<?> clazz = Class.forName("java.lang.String", false, mockClassLoader);110        111        assertThat(clazz)112            .as("System class is loaded")113            .isEqualTo(String.class);114    }115    116    117    @Test118    public void should_load_defined_class() throws Exception {119        final String className = "my.ABCTestClass";120        final MockClassLoader mockClassLoader = mockClassLoaderFactory.getInstance(new String[]{className});121        122        Whitebox.invokeMethod(mockClassLoader, "defineClass", className, DynamicClassHolder.classBytes,123                              0, DynamicClassHolder.classBytes.length, this.getClass().getProtectionDomain());124        125        Class<?> clazz = Class.forName(className, false, mockClassLoader);126        127        assertThat(clazz)128            .as("Defined class is loaded")129            .isNotNull();130    }131    132    @Test133    public void should_ignore_pagackage_added_powerMockIgnore_Annotated() throws Exception {134        MockClassLoader mockClassLoader = mockClassLoaderFactory.getInstance(new String[]{"org.ikk.Jux"});135        136        MockClassLoaderConfiguration configuration = mockClassLoader.getConfiguration();137        138        Whitebox.setInternalState(configuration, "deferPackages", new String[]{"*mytest*"}, MockClassLoaderConfiguration.class);139        140        assertFalse(configuration.shouldModify("org.mytest.myclass"));141    }142    143    @Test144    public void powerMockIgnoreAnnotatedPackagesHavePrecedenceOverPrepareEverythingForTest() throws Exception {145        MockClassLoader mockClassLoader = mockClassLoaderFactory.getInstance(new String[]{MODIFY_ALL_CLASSES});146        MockClassLoaderConfiguration configuration = mockClassLoader.getConfiguration();147        148        Whitebox.setInternalState(configuration, "deferPackages", new String[]{"*mytest*"}, MockClassLoaderConfiguration.class);149        150        assertFalse(configuration.shouldModify("org.mytest.myclass"));151    }152    153    @Test154    public void should_find_and_return_a_one_resource_which_exist() throws Exception {155        final MockClassLoader mockClassLoader = mockClassLoaderFactory.getInstance(new String[0]);156        157        // Force a ClassLoader that can find 'foo/bar/baz/test.txt' into158        // mockClassLoader.deferTo.159        mockClassLoader.deferTo = new ResourcePrefixClassLoader(getClass().getClassLoader(), "org/powermock/core/classloader/");160        161        // MockClassLoader will only be able to find 'foo/bar/baz/test.txt' if it162        // properly defers the resource lookup to its deferTo ClassLoader.163        URL resource = mockClassLoader.getResource("foo/bar/baz/test.txt");164        assertThat(resource).isNotNull();165        assertThat(resource.getPath()).endsWith("test.txt");166    }167    168    @Test169    public void should_find_and_return_resources_which_exist() throws Exception {170        final MockClassLoader mockClassLoader = mockClassLoaderFactory.getInstance(new String[0]);171        172        // Force a ClassLoader that can find 'foo/bar/baz/test.txt' into173        // mockClassLoader.deferTo.174        mockClassLoader.deferTo = new ResourcePrefixClassLoader(getClass().getClassLoader(), "org/powermock/core/classloader/");175        176        // MockClassLoader will only be able to find 'foo/bar/baz/test.txt' if it177        // properly defers the resources lookup to its deferTo ClassLoader.178        Enumeration<URL> resources = mockClassLoader.getResources("foo/bar/baz/test.txt");179        180        assertThat(resources.nextElement().getPath()).endsWith("test.txt");181    }182    183    @Test184    public void resourcesNotDoubled() throws Exception {185        final MockClassLoader mockClassLoader = mockClassLoaderFactory.getInstance(new String[0]);186        //mockClassLoader.setMockTransformerChain(transformerChain);187        188        // MockClassLoader will only be able to find 'foo/bar/baz/test.txt' if it189        // properly defers the resources lookup to its deferTo ClassLoader.190        Enumeration<URL> resources = mockClassLoader.getResources("org/powermock/core/classloader/foo/bar/baz/test.txt");191        192        assertThat(resources.nextElement().getPath()).endsWith("test.txt");193        assertThat(resources.hasMoreElements()).isFalse();194    }195    196    @Test197    public void canFindDynamicClassFromAdjustedClasspath() throws Exception {198        199        assumeThat(clazz.getName(), equalTo(JavassistMockClassLoader.class.getName()));200        201        // Construct MockClassLoader with @UseClassPathAdjuster annotation.202        // It activates our MyClassPathAdjuster class which appends our dynamic203        // class to the MockClassLoader's classpool.204        UseClassPathAdjuster useClassPathAdjuster = new TestUseClassPathAdjuster();205        final MockClassLoader mockClassLoader = mockClassLoaderFactory.getInstance(new String[0], useClassPathAdjuster);206        207        // setup custom classloader providing our dynamic class, for MockClassLoader to defer to208        mockClassLoader.deferTo = new ClassLoader(getClass().getClassLoader()) {209            @Override210            public Class<?> loadClass(String name)211                throws ClassNotFoundException {212                if (name.equals(DynamicClassHolder.clazz.getName())) {213                    return DynamicClassHolder.clazz;214                }215                return super.loadClass(name);216            }217        };218        219        // verify that MockClassLoader can successfully load the class220        Class<?> dynamicTestClass = Class.forName(DynamicClassHolder.clazz.getName(), false, mockClassLoader);221        222        assertThat(dynamicTestClass).isNotSameAs(DynamicClassHolder.clazz);223    }224    225    @Test(expected = ClassNotFoundException.class)226    @Ignore("Has to be decided desirable behaviour in this case")227    public void should_throw_ClassNotFoundException_if_cannot_find_dynamic_class_in_deferred_class_loader() throws Exception {228        229        MockClassLoader mockClassLoader = mockClassLoaderFactory.getInstance(new String[0]);230        231        // setup custom classloader providing our dynamic class, for MockClassLoader to defer to232        mockClassLoader.deferTo = new ClassLoader(getClass().getClassLoader()) {233            @Override234            public Class<?> loadClass(String name) throws ClassNotFoundException {235                return super.loadClass(name);236            }237        };238        239        //Try to locate and load a class that is not in MockClassLoader.240        Class.forName(DynamicClassHolder.clazz.getName(), false, mockClassLoader);241    }242    243    @Test244    public void should_autobox_primitive_values() throws Exception {245        String name = this.getClass().getPackage().getName() + ".HardToTransform";246        final MockClassLoader mockClassLoader = mockClassLoaderFactory.getInstance(new String[]{name});247        248        Class<?> c = mockClassLoader.loadClass(name);249        250        Object object = c.newInstance();251        Whitebox.invokeMethod(object, "run");252        253        assertThat(5).isEqualTo(Whitebox.invokeMethod(object, "testInt"));254        assertThat(5L).isEqualTo(Whitebox.invokeMethod(object, "testLong"));255        assertThat(5f).isEqualTo(Whitebox.invokeMethod(object, "testFloat"));256        assertThat(5.0).isEqualTo(Whitebox.invokeMethod(object, "testDouble"));257        assertThat(new Short("5")).isEqualTo(Whitebox.invokeMethod(object, "testShort"));258        assertThat(new Byte("5")).isEqualTo(Whitebox.invokeMethod(object, "testByte"));259        assertThat(true).isEqualTo(Whitebox.invokeMethod(object, "testBoolean"));260        assertThat('5').isEqualTo(Whitebox.invokeMethod(object, "testChar"));...

getInstance

Using AI Code Generation

1package com.poc.powermock;2import org.junit.Assert;3import org.junit.Test;4import org.junit.runner.RunWith;5import org.powermock.api.mockito.PowerMockito;6import org.powermock.core.test.MockClassLoaderFactory;7import org.powermock.core.test.MockClassLoaderFactory.MockClassLoader;8import org.powermock.modules.junit4.PowerMockRunner;9@RunWith(PowerMockRunner.class)10public class MockClassLoaderFactoryTest {11    public void testMockClassLoaderFactory() {12        MockClassLoaderFactory mockClassLoaderFactory = PowerMockito.mock(MockClassLoaderFactory.class);13        PowerMockito.when(mockClassLoaderFactory.getInstance()).thenReturn(new MockClassLoader());14        Assert.assertNotNull(mockClassLoaderFactory.getInstance());15    }16}

getInstance

Using AI Code Generation

1[MockClassLoaderFactory.java:22]: package org.powermock.core.test;2[MockClassLoaderFactory.java:23]: import java.lang.reflect.Field;3[MockClassLoaderFactory.java:24]: import java.lang.reflect.InvocationTargetException;4[MockClassLoaderFactory.java:25]: import java.lang.reflect.Method;5[MockClassLoaderFactory.java:26]: import java.lang.reflect.Modifier;6[MockClassLoaderFactory.java:27]: import java.net.URL;7[MockClassLoaderFactory.java:28]: import java.net.URLClassLoader;8[MockClassLoaderFactory.java:29]: import java.util.ArrayList;9[MockClassLoaderFactory.java:30]: import java.util.Arrays;10[MockClassLoaderFactory.java:31]: import java.util.Collection;11[MockClassLoaderFactory.java:32]: import java.util.Collections;12[MockClassLoaderFactory.java:33]: import java.util.List;13[MockClassLoaderFactory.java:34]: import org.powermock.core.classloader.MockClassLoader;14[MockClassLoaderFactory.java:35]: import org.powermock.core.classloader.annotations.PowerMockIgnore;15[MockClassLoaderFactory.java:36]: import org.powermock.core.classloader.interfaces.PowerMockIgnorePackages;16[MockClassLoaderFactory.java:37]: import org.powermock.core.classloader.interfaces.PowerMockIgnorePackagesWhiteList;17[MockClassLoaderFactory.java:38]: import org.powermock.core.classloader.interfaces.PowerMockIgnoreWhiteList;18[MockClassLoaderFactory.java:39]: import org.powermock.core.classloader.interfaces.PowerMockSupport;19[MockClassLoaderFactory.java:40]: import org.powermock.core.transformers.impl.PowerMockIgnorePackagesTransformer;20[MockClassLoaderFactory.java:41]: import org.powermock.core.transformers.impl.PowerMockIgnorePackagesWhiteListTransformer;21[MockClassLoaderFactory.java:42]: import org.powermock.core.transformers.impl.PowerMockIgnoreTransformer;22[MockClassLoaderFactory.java:43]: import org.powermock.core.transformers.impl.PowerMockIgnoreWhiteListTransformer;23[MockClassLoaderFactory.java:44]: import org.powermock.core.transformers.impl.PowerMockSupportTransformer;24[MockClassLoaderFactory.java:45]: import org.powermock.core.transformers.impl.StackTraceCleanerTransformer;25[MockClassLoaderFactory.java:46]: import org.powermock.core.transformers.impl.StackTraceCleanerTransformerConfig;26[MockClassLoaderFactory.java:47]: import org.powermock.core.transformers.impl.StackTraceCleanerTransformerConfigImpl;

getInstance

Using AI Code Generation

1PowerMockito.mockStatic(MockClassLoaderFactory.class);2PowerMockito.when(MockClassLoaderFactory.getInstance()).thenReturn(new MockClassLoader());3PowerMockito.mock(HelloWorld.class);4PowerMockito.verifyStatic(MockClassLoaderFactory.class);5MockClassLoaderFactory.getInstance();6PowerMockito.verifyStatic();7MockClassLoaderFactory.getInstance();8PowerMockito.verify(HelloWorld.class);9PowerMockito.verify(HelloWorld.class, Mockito.times(2));10PowerMockito.verify(HelloWorld.class, Mockito.times(0));11PowerMockito.verify(HelloWorld.class, Mockito.never());12PowerMockito.verify(HelloWorld.class, Mockito.atLeastOnce());13PowerMockito.verify(HelloWorld.class, Mockito.atLeast(2));14PowerMockito.verify(HelloWorld.class, Mockito.atMost(2));15PowerMockito.verify(HelloWorld.class, Mockito.only());16PowerMockito.verify(HelloWorld.class, Mockito.timeout(1000));17PowerMockito.verify(HelloWorld.class, Mockito.timeout(1000).times(2));18PowerMockito.verify(HelloWorld.class, Mockito.timeout(1000).atLeastOnce());19PowerMockito.verify(HelloWorld.class, Mockito.timeout(1000).atLeast(2));20PowerMockito.verify(HelloWorld.class, Mockito.timeout(1000).atMost(2));21PowerMockito.verify(HelloWorld.class, Mockito.timeout(1000).only());22PowerMockito.verify(HelloWorld.class, Mockito.timeout(1000).never());23PowerMockito.verify(HelloWorld.class, Mockito.timeout(1000).ignoreStubs(Mockito.any(Answer.class)));24PowerMockito.verify(HelloWorld.class, Mockito.timeout(1000).ignoreStubs(Mockito.any(Answer.class)).times(2));25PowerMockito.verify(HelloWorld.class, Mockito.timeout(1000).ignoreStubs(Mockito.any(Answer.class)).atLeastOnce());26PowerMockito.verify(HelloWorld.class, Mockito.timeout(1000).ignoreStubs(Mockito.any(Answer.class)).atLeast(2));27PowerMockito.verify(HelloWorld.class, Mockito.timeout(1000).ignoreStubs(Mockito.any(Answer.class)).atMost(2

getInstance

Using AI Code Generation

1MockClassLoaderFactory factory = MockClassLoaderFactory.getInstance();2ClassLoader classLoader = factory.createClassLoader();3Class<?> clazz = classLoader.loadClass("org.powermock.core.test.MockClassLoaderFactory");4        Object instance = clazz.newInstance();5        Method method = clazz.getMethod("createClassLoader");6        Object result = method.invoke(instance);7        assertEquals(classLoader, result);8MockClassLoaderFactory mock = PowerMockito.mock(MockClassLoaderFactory.class);9        PowerMockito.when(mock.createClassLoader()).thenReturn(classLoader);10        assertEquals(classLoader, mock.createClassLoader());

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