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How to use getInstance method of org.powermock.core.transformers.MockTransformerTestHelper class

Best Powermock code snippet using org.powermock.core.transformers.MockTransformerTestHelper.getInstance

Source:MockTransformerTestHelper.java

...58    static Collection<Object[]> createOneTransformerTestData(final Class<?> mockGateway, final Class<?> transformerClass) {59        List<Object[]> data = new ArrayList<Object[]>();60        61        for (TransformStrategy strategy : TransformStrategy.values()) {62            MockTransformer transformer = getInstance(mockGateway, strategy, transformerClass);63            64            data.add(new Object[]{65                strategy,66                transformer,67                createClassLoaderFactory(transformerClass)68            });69        }70        71        return data;72    }73    74    private static MockClassLoaderFactory createClassLoaderFactory(final Class<?> transformerClass) {75        if (AbstractJavaAssistMockTransformer.class.isAssignableFrom(transformerClass)){76            return new MockClassLoaderFactory(JavassistMockClassLoader.class);77        }78        throw new UnsupportedOperationException();79    }80    81    private static List<MockTransformerChain> createTransformers(final Class<?> mockGateway, final TransformStrategy strategy, final Class<?>... classes) {82        List<MockTransformerChain> transformers = new ArrayList<MockTransformerChain>();83        84        for (Class<?> transformerClass : classes) {85            MockTransformer transformer = getInstance(mockGateway, strategy, transformerClass);86            transformers.add(createChainFrom(transformer));87        }88        89        return transformers;90    }91    92    private static MockTransformer getInstance(final Class<?> mockGateway, final TransformStrategy strategy, final Class<?> transformerClass) {93        try {94            Constructor<?> constructor = transformerClass.getConstructor(TransformStrategy.class);95            Object instance = constructor.newInstance(strategy);96    97            Field mockGetawayClassField = null;98            try {99                mockGetawayClassField = WhiteboxImpl.getField(transformerClass, "mockGetawayClass");100            } catch (Exception e) {101                // do nothing102            }103    104            if (mockGetawayClassField != null){105                mockGetawayClassField.setAccessible(true);106                mockGetawayClassField.set(instance, mockGateway);...

getInstance

Using AI Code Generation

1MockTransformer mockTransformer = MockTransformerTestHelper.getInstance();2MockTransformer mockTransformer = MockTransformerTestHelper.getMockTransformer();3MockTransformer mockTransformer = MockTransformerTestHelper.getMockTransformer();4package org.powermock.core.transformers;5import org.powermock.core.MockTransformer;6public class MockTransformerTestHelper {7    public static MockTransformer getInstance() {8        return new MockTransformer();9    }10    public static MockTransformer getMockTransformer() {11        return new MockTransformer();12    }13}14package org.powermock.core.transformers;15import org.junit.Test;16import org.powermock.core.MockTransformer;17public class MockTransformerTestHelperTest {18    public void testGetInstance() {19        MockTransformer mockTransformer = MockTransformerTestHelper.getInstance();20        System.out.println(mockTransformer);21    }22    public void testGetMockTransformer() {23        MockTransformer mockTransformer = MockTransformerTestHelper.getMockTransformer();24        System.out.println(mockTransformer);25    }26}27void myTest() {28}29@Test(name = "myTest")30void test() {31}32@Test(name = "myTest")33void test() {34}35@Test(name = "myTest" + 1)36void test() {37}38void myTest() {39}

getInstance

Using AI Code Generation

1public class MockTransformerTestHelperTest {2    private static final String CLASS_NAME = "org.powermock.core.transformers.MockTransformerTestHelper";3    public void shouldReturnCorrectInstance() throws Exception {4        MockTransformerTestHelper helper = MockTransformerTestHelper.getInstance();5        assertThat(helper, notNullValue());6    }7    public void shouldReturnCorrectInstanceWhenClassIsLoadedByAnotherClassLoader() throws Exception {8        ClassLoader classLoader = new ClassLoader() {9            protected Class<?> loadClass(String name, boolean resolve) throws ClassNotFoundException {10                if (name.equals(CLASS_NAME)) {11                    return findClass(name);12                }13                return super.loadClass(name, resolve);14            }15            protected Class<?> findClass(String name) throws ClassNotFoundException {16                if (name.equals(CLASS_NAME)) {17                    byte[] bytes = loadClassData(name);18                    return defineClass(name, bytes, 0, bytes.length);19                }20                return super.findClass(name);21            }22            private byte[] loadClassData(String name) {23                InputStream inputStream = getClass().getClassLoader().getResourceAsStream(name.replaceAll("\\.", "/") + ".class");24                ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();25                int b;26                try {27                    while ((b = inputStream.read()) != -1) {28                        byteArrayOutputStream.write(b);29                    }30                    return byteArrayOutputStream.toByteArray();31                } catch (IOException e) {32                    throw new RuntimeException(e);33                }34            }35        };36        Class<?> helperClass = Class.forName(CLASS_NAME, true, classLoader);37        Method getInstanceMethod = helperClass.getMethod("getInstance");38        Object instance = getInstanceMethod.invoke(null);39        assertThat(instance, notNullValue());40    }41    private static class MockTransformerTestHelper {42        private static final MockTransformerTestHelper INSTANCE = new MockTransformerTestHelper();43        public static MockTransformerTestHelper getInstance() {44            return INSTANCE;45        }46        private MockTransformerTestHelper() {47        }48    }49}

getInstance

Using AI Code Generation

1MockTransformer mockTransformer = MockTransformerTestHelper.getInstance();2byte[] transformedClass = mockTransformer.transformClass(classLoader, className, classBeingRedefined, protectionDomain, classfileBuffer);3MockTransformer mockTransformer = MockTransformerTestHelper.getInstance();4byte[] transformedClass = mockTransformer.transformClass(classLoader, className, classBeingRedefined, protectionDomain, classfileBuffer);5MockTransformer mockTransformer = MockTransformerTestHelper.getInstance();6byte[] transformedClass = mockTransformer.transformClass(classLoader, className, classBeingRedefined, protectionDomain, classfileBuffer);7MockTransformer mockTransformer = MockTransformerTestHelper.getInstance();8byte[] transformedClass = mockTransformer.transformClass(classLoader, className, classBeingRedefined, protectionDomain, classfileBuffer);9MockTransformer mockTransformer = MockTransformerTestHelper.getInstance();

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