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How to use setMockTransformerChain method of org.powermock.core.classloader.MockClassLoader class

Best Powermock code snippet using org.powermock.core.classloader.MockClassLoader.setMockTransformerChain

Source:MockClassLoaderTest.java

...40        String name = this.getClass().getPackage().getName() + ".HardToTransform";41        final MockClassLoader mockClassLoader = new MockClassLoader(new String[] { name });42        List<MockTransformer> list = new LinkedList<MockTransformer>();43        list.add(new MainMockTransformer());44        mockClassLoader.setMockTransformerChain(list);45        Class<?> c = mockClassLoader.loadClass(name);46        Object object = c.newInstance();47        Whitebox.invokeMethod(object, "run");48        Assert.assertEquals(5, Whitebox.invokeMethod(object, "testInt"));49        Assert.assertEquals(5L, Whitebox.invokeMethod(object, "testLong"));50        Assert.assertEquals(5f, Whitebox.invokeMethod(object, "testFloat"));51        Assert.assertEquals(5.0, Whitebox.invokeMethod(object, "testDouble"));52        Assert.assertEquals(new Short("5"), Whitebox.invokeMethod(object, "testShort"));53        Assert.assertEquals(new Byte("5"), Whitebox.invokeMethod(object, "testByte"));54        Assert.assertEquals(true, Whitebox.invokeMethod(object, "testBoolean"));55        Assert.assertEquals('5', Whitebox.invokeMethod(object, "testChar"));56        Assert.assertEquals("5", Whitebox.invokeMethod(object, "testString"));57    }58    @Test59    public void prepareForTestHasPrecedenceOverPowerMockIgnoreAnnotatedPackages() throws Exception {60        MockClassLoader mockClassLoader = new MockClassLoader(new String[] { "org.mytest.myclass" });61        Whitebox.setInternalState(mockClassLoader, new String[] { "*mytest*" }, DeferSupportingClassLoader.class);62        assertTrue(Whitebox.<Boolean>invokeMethod(mockClassLoader, "shouldModify", "org.mytest.myclass"));63    }64    @Test65    public void powerMockIgnoreAnnotatedPackagesAreIgnored() throws Exception {66        MockClassLoader mockClassLoader = new MockClassLoader(new String[] { "org.ikk.Jux" });67        Whitebox.setInternalState(mockClassLoader, new String[] { "*mytest*" }, DeferSupportingClassLoader.class);68        assertFalse(Whitebox.<Boolean> invokeMethod(mockClassLoader, "shouldModify", "org.mytest.myclass"));69    }70    @Test71    public void powerMockIgnoreAnnotatedPackagesHavePrecedenceOverPrepareEverythingForTest() throws Exception {72        MockClassLoader mockClassLoader = new MockClassLoader(new String[] { MODIFY_ALL_CLASSES });73        Whitebox.setInternalState(mockClassLoader, new String[] { "*mytest*" }, DeferSupportingClassLoader.class);74        assertFalse(Whitebox.<Boolean> invokeMethod(mockClassLoader, "shouldModify", "org.mytest.myclass"));75    }76    @Test77    public void prepareForTestPackagesArePrepared() throws Exception {78        MockClassLoader mockClassLoader = new MockClassLoader(new String[] { "*mytest*" });79        assertTrue(Whitebox.<Boolean> invokeMethod(mockClassLoader, "shouldModify", "org.mytest.myclass"));80    }81    @Test82    public void shouldAddIgnorePackagesToDefer() throws Exception {83        MockClassLoader mockClassLoader = new MockClassLoader(new String[0]);84        mockClassLoader.addIgnorePackage("test*");85        String[] deferPackages = Whitebox.<String[]> getInternalState(mockClassLoader, "deferPackages");86        assertTrue(deferPackages.length > 1);87        assertEquals("test*", deferPackages[deferPackages.length - 1]);88    }89    90    @Test91    public void canFindResource() throws Exception {92        final MockClassLoader mockClassLoader = new MockClassLoader(new String[0]);93        List<MockTransformer> list = new LinkedList<MockTransformer>();94        list.add(new MainMockTransformer());95        mockClassLoader.setMockTransformerChain(list);96        // Force a ClassLoader that can find 'foo/bar/baz/test.txt' into97        // mockClassLoader.deferTo.98        URL fooRoot = this.getClass().getClassLoader().getResource("org/powermock/core/classloader/");99        mockClassLoader.deferTo = new URLClassLoader(new URL[] { fooRoot });;100		101        // MockClassLoader will only be able to find 'foo/bar/baz/test.txt' if it102        // properly defers the resource lookup to its deferTo ClassLoader.103        URL resource = mockClassLoader.getResource("foo/bar/baz/test.txt");104        Assert.assertNotNull(resource);105        Assert.assertTrue(resource.getPath().endsWith("test.txt"));106    }107    @Test108    public void canFindResources() throws Exception {109        final MockClassLoader mockClassLoader = new MockClassLoader(new String[0]);110        List<MockTransformer> list = new LinkedList<MockTransformer>();111        list.add(new MainMockTransformer());112        mockClassLoader.setMockTransformerChain(list);113        // Force a ClassLoader that can find 'foo/bar/baz/test.txt' into114        // mockClassLoader.deferTo.115        URL fooRoot = this.getClass().getClassLoader().getResource("org/powermock/core/classloader/");116        mockClassLoader.deferTo = new URLClassLoader(new URL[] { fooRoot });;117		118        // MockClassLoader will only be able to find 'foo/bar/baz/test.txt' if it119        // properly defers the resources lookup to its deferTo ClassLoader.120        Enumeration<URL> resources = mockClassLoader.getResources("foo/bar/baz/test.txt");121        Assert.assertNotNull(resources);122        Assert.assertTrue(resources.hasMoreElements());123        URL resource = resources.nextElement();124        Assert.assertTrue(resource.getPath().endsWith("test.txt"));125        Assert.assertFalse(resources.hasMoreElements());126    }127    128    @Test129    public void resourcesNotDoubled() throws Exception {130        final MockClassLoader mockClassLoader = new MockClassLoader(new String[0]);131        List<MockTransformer> list = new LinkedList<MockTransformer>();132        list.add(new MainMockTransformer());133        mockClassLoader.setMockTransformerChain(list);134        135        // MockClassLoader will only be able to find 'foo/bar/baz/test.txt' if it136        // properly defers the resources lookup to its deferTo ClassLoader.137        Enumeration<URL> resources = mockClassLoader.getResources("org/powermock/core/classloader/foo/bar/baz/test.txt");138        Assert.assertNotNull(resources);139        Assert.assertTrue(resources.hasMoreElements());140        URL resource = resources.nextElement();141        Assert.assertTrue(resource.getPath().endsWith("test.txt"));142        Assert.assertFalse(resources.hasMoreElements());143    }144    145    @Test146    public void canFindDynamicClassFromAdjustedClasspath() throws Exception {147        // Construct MockClassLoader with @UseClassPathAdjuster annotation.148        // It activates our MyClassPathAdjuster class which appends our dynamic149        // class to the MockClassLoader's classpool.150        UseClassPathAdjuster useClassPathAdjuster = new UseClassPathAdjuster() {151            public Class<? extends Annotation> annotationType() {152                return UseClassPathAdjuster.class;153            }154            public Class<? extends ClassPathAdjuster> value() {155                return MyClassPathAdjuster.class;156            }157        };158        final MockClassLoader mockClassLoader = new MockClassLoader(new String[0], useClassPathAdjuster );159        List<MockTransformer> list = new LinkedList<MockTransformer>();160        list.add(new MainMockTransformer());161        mockClassLoader.setMockTransformerChain(list);162        // setup custom classloader providing our dynamic class, for MockClassLoader to defer to163        mockClassLoader.deferTo = new ClassLoader(getClass().getClassLoader()) {164            @Override165            public Class<?> loadClass(String name)166                    throws ClassNotFoundException {167                if (name.equals(DynamicClassHolder.clazz.getName())) {168                        return DynamicClassHolder.clazz;169                }170                return super.loadClass(name);171            }172        };173        // verify that MockClassLoader can successfully load the class174        Class<?> dynamicTestClass = Class.forName(DynamicClassHolder.clazz.getName(), false, mockClassLoader);175        Assert.assertNotNull(dynamicTestClass);...

setMockTransformerChain

Using AI Code Generation

1import org.powermock.core.classloader.MockClassLoader;2public class MockClassLoaderTest {3    public static void main(String[] args) throws Exception {4        MockClassLoader mockClassLoader = new MockClassLoader();5        mockClassLoader.setMockTransformerChain(new MockTransformerChain());6    }7}8[INFO] JVM information: Java HotSpot(TM) 64-Bit Server VM 25.45-b029[INFO] --- maven-compiler-plugin:3.1:compile (default-compile) @ powermock-test ---10[INFO] --- maven-compiler-plugin:3.1:testCompile (default-testCompile) @ powermock-test ---11[INFO] --- maven-surefire-plugin:2.18.1:test (default-test) @ powermock-test ---12[INFO] --- maven-jar-plugin:2.4:jar (default-jar) @ powermock-test ---13[INFO] --- maven-install-plugin:2.4:install (default-install) @ powermock-test ---

setMockTransformerChain

Using AI Code Generation

1public void setMockTransformerChainTest() throws Exception {2    MockClassLoader mockClassLoader = new MockClassLoader();3    ClassLoader classLoader = Thread.currentThread().getContextClassLoader();4    mockClassLoader.setMockTransformerChain(classLoader, new Class[] { MockTransformer.class });5    Class<?>[] mockTransformerChain = mockClassLoader.getMockTransformerChain(classLoader);6    assertEquals(1, mockTransformerChain.length);7    assertEquals(MockTransformer.class, mockTransformerChain[0]);8}9public void getMockTransformerChainTest() throws Exception {10    MockClassLoader mockClassLoader = new MockClassLoader();11    ClassLoader classLoader = Thread.currentThread().getContextClassLoader();12    Class<?>[] mockTransformerChain = mockClassLoader.getMockTransformerChain(classLoader);13    assertEquals(0, mockTransformerChain.length);14}15public void getMockTransformerChainTest2() throws Exception {16    MockClassLoader mockClassLoader = new MockClassLoader();17    ClassLoader classLoader = Thread.currentThread().getContextClassLoader();18    mockClassLoader.setMockTransformerChain(classLoader, new Class[] { MockTransformer.class });19    Class<?>[] mockTransformerChain = mockClassLoader.getMockTransformerChain(classLoader);20    assertEquals(1, mockTransformerChain.length);21    assertEquals(MockTransformer.class, mockTransformerChain[0]);22}23public void getMockTransformerChainTest3() throws Exception {24    MockClassLoader mockClassLoader = new MockClassLoader();25    ClassLoader classLoader = Thread.currentThread().getContextClassLoader();26    mockClassLoader.setMockTransformerChain(classLoader, new Class[] { MockTransformer.class });27    Class<?>[] mockTransformerChain = mockClassLoader.getMockTransformerChain(classLoader);28    assertEquals(1, mockTransformerChain.length);29    assertEquals(MockTransformer.class, mockTransformerChain[0]);30}31public void getMockTransformerChainTest4() throws Exception {32    MockClassLoader mockClassLoader = new MockClassLoader();33    ClassLoader classLoader = Thread.currentThread().getContextClassLoader();34    mockClassLoader.setMockTransformerChain(classLoader, new Class[] { MockTransformer.class });35    Class<?>[] mockTransformerChain = mockClassLoader.getMockTransformerChain(classLoader);36    assertEquals(1, mockTransformerChain.length);37    assertEquals(MockTransformer.class, mockTransformerChain[0]);38}39public void getMockTransformerChainTest5() throws Exception {40    MockClassLoader mockClassLoader = new MockClassLoader();41    ClassLoader classLoader = Thread.currentThread().getContextClassLoader();42    mockClassLoader.setMockTransformerChain(classLoader, new Class[] { MockTransformer.class });

setMockTransformerChain

Using AI Code Generation

1import java.lang.reflect.Field;2import java.util.ArrayList;3import java.util.List;4import org.powermock.core.classloader.MockClassLoader;5import org.powermock.core.transformers.MockTransformer;6public class MockClassLoaderTest {7    public static void main(String[] args) throws Exception {8        List<MockTransformer> transformers = new ArrayList<>();9        transformers.add(new MockTransformer());10        MockClassLoader mockClassLoader = new MockClassLoader();11        setMockTransformerChain(mockClassLoader, transformers);12        System.out.println(getMockTransformerChain(mockClassLoader));13    }14    private static void setMockTransformerChain(MockClassLoader mockClassLoader, List<MockTransformer> transformers) throws Exception {15        Field field = MockClassLoader.class.getDeclaredField("mockTransformerChain");16        field.setAccessible(true);17        field.set(mockClassLoader, transformers);18    }19    private static List<MockTransformer> getMockTransformerChain(MockClassLoader mockClassLoader) throws Exception {20        Field field = MockClassLoader.class.getDeclaredField("mockTransformerChain");21        field.setAccessible(true);22        return (List<MockTransformer>) field.get(mockClassLoader);23    }24}

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