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

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

Source:MockTransformerTestHelper.java

...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);107            }108    109            return (MockTransformer) instance;110        } catch (Exception e) {111            throw new RuntimeException("Cannot create an instance of transformer.", e);112        }113    }114    115    private static MockTransformerChain createChainFrom(final MockTransformer transformer) {116        return DefaultMockTransformerChain.newBuilder()117                                          .append(transformer)118                                          .build();119    }120}...

createChainFrom

Using AI Code Generation

1public class MockTransformerTestHelperTest {2    public void testCreateChainFrom() throws Exception {3        final MockTransformer transformer1 = createMock(MockTransformer.class);4        final MockTransformer transformer2 = createMock(MockTransformer.class);5        final MockTransformer transformer3 = createMock(MockTransformer.class);6        final MockTransformer chain = MockTransformerTestHelper.createChainFrom(transformer1, transformer2, transformer3);7        final MockTransformer[] chainElements = MockTransformerTestHelper.getChainElements(chain);8        assertEquals(3, chainElements.length);9        assertEquals(transformer1, chainElements[0]);10        assertEquals(transformer2, chainElements[1]);11        assertEquals(transformer3, chainElements[2]);12    }13}14package org.powermock.core.transformers;15import java.lang.reflect.Field;16import org.powermock.core.transformers.javassist.JavassistMockTransformer;17public class MockTransformerTestHelper {18    public static MockTransformer[] getChainElements(MockTransformer transformer) throws Exception {19        MockTransformer[] chainElements = new MockTransformer[0];20        if (transformer instanceof JavassistMockTransformer) {21            final Field field = JavassistMockTransformer.class.getDeclaredField("transformer");22            field.setAccessible(true);23            chainElements = (MockTransformer[]) field.get(transformer);24        }25        return chainElements;26    }27    public static MockTransformer createChainFrom(MockTransformer... transformers) throws Exception {28        MockTransformer previous = null;29        for (MockTransformer transformer : transformers) {30            if (previous == null) {31                previous = transformer;32            } else {33                previous.setNext(transformer);34            }35        }36        return transformers[0];37    }38}39package org.powermock.core.transformers;40import org.junit.Test;41import static org.junit.Assert.assertEquals;42import static org.powermock.api.easymock.PowerMock.createMock;43public class MockTransformerTestHelperTest {44    public void testCreateChainFrom() throws Exception {45        final MockTransformer transformer1 = createMock(MockTransformer.class);46        final MockTransformer transformer2 = createMock(MockTransformer.class);47        final MockTransformer transformer3 = createMock(MockTransformer.class);48        final MockTransformer chain = MockTransformerTestHelper.createChainFrom(transformer1, transformer2, transformer3);

createChainFrom

Using AI Code Generation

1public class MockTransformerTestHelperTest {2    public void testCreateChainFrom() throws Exception {3        MockTransformer transformer = new MockTransformer();4        MockTransformerTestHelper helper = new MockTransformerTestHelper(transformer);5        Class<?> clazz = helper.createChainFrom(ExampleClass.class);6        assertEquals(ExampleClass.class, clazz);7        assertSame(ExampleClass.class, clazz);8    }9    public void testCreateChainFromWithClassloader() throws Exception {10        MockTransformer transformer = new MockTransformer();11        MockTransformerTestHelper helper = new MockTransformerTestHelper(transformer);12        Class<?> clazz = helper.createChainFrom(ExampleClass.class, getClass().getClassLoader());13        assertEquals(ExampleClass.class, clazz);14        assertSame(ExampleClass.class, clazz);15    }16    private static class ExampleClass {17    }18}19public class MockTransformerTestHelperTest {20    public void testCreateChainFrom() throws Exception {21        MockTransformer transformer = new MockTransformer();22        MockTransformerTestHelper helper = new MockTransformerTestHelper(transformer);23        Class<?> clazz = helper.createChainFrom(ExampleClass.class);24        assertEquals(ExampleClass.class, clazz);25        assertSame(ExampleClass.class, clazz);26    }27    public void testCreateChainFromWithClassloader() throws Exception {28        MockTransformer transformer = new MockTransformer();29        MockTransformerTestHelper helper = new MockTransformerTestHelper(transformer);30        Class<?> clazz = helper.createChainFrom(ExampleClass.class, getClass().getClassLoader());31        assertEquals(ExampleClass.class, clazz);32        assertSame(ExampleClass.class, clazz);33    }34    private static class ExampleClass {35    }36}37public class MockTransformerTestHelperTest {38    public void testCreateChainFrom() throws Exception {39        MockTransformer transformer = new MockTransformer();40        MockTransformerTestHelper helper = new MockTransformerTestHelper(transformer);41        Class<?> clazz = helper.createChainFrom(ExampleClass.class);42        assertEquals(ExampleClass.class, clazz);43        assertSame(ExampleClass.class, clazz);44    }45    public void testCreateChainFromWithClassloader() throws Exception {46        MockTransformer transformer = new MockTransformer();47        MockTransformerTestHelper helper = new MockTransformerTestHelper(transformer);48        Class<?> clazz = helper.createChainFrom(ExampleClass.class, getClass().getClassLoader());49        assertEquals(ExampleClass.class,

createChainFrom

Using AI Code Generation

1import org.powermock.core.transformers.MockTransformerTestHelper;2public class Test {3    public static void main(String[] args) {4        MockTransformerTestHelper.createChainFrom("org.powermock.api.mockito.transformers.MockTransformer", "org.powermock.core.transformers.impl.MockTransformerImpl");5    }6}

createChainFrom

Using AI Code Generation

1public class MockTransformerTestHelperTest {2    public void shouldCreateMockTransformerChainFromMockTransformerClassNames() throws Exception {3        final String[] classNames = {"org.powermock.core.transformers.impl.MockTransformer", "org.powermock.core.transformers.impl.MockTransformer"};4        final MockTransformerChain chain = MockTransformerTestHelper.createChainFrom(classNames);5        assertEquals(2, chain.getTransformers().size());6    }7}8package org.powermock.core.transformers;9import static org.junit.Assert.assertEquals;10import org.junit.Test;11import org.powermock.core.transformers.impl.MockTransformer;12public class MockTransformerTestHelperTest {13    public void shouldCreateMockTransformerChainFromMockTransformerClassNames() throws Exception {14        final String[] classNames = {"org.powermock.core.transformers.impl.MockTransformer", "org.powermock.core.transformers.impl.MockTransformer"};15        final MockTransformerChain chain = MockTransformerTestHelper.createChainFrom(classNames);16        assertEquals(2, chain.getTransformers().size());17    }18}19package org.powermock.core.transformers;20import org.powermock.core.transformers.impl.MockTransformer;21public class MockTransformerTestHelper {22    public static MockTransformerChain createChainFrom(String[] classNames) {23        final MockTransformerChain chain = new MockTransformerChain();24        for (String className : classNames) {25            chain.add(new MockTransformer());26        }27        return chain;28    }29}30package org.powermock.core.transformers;31import java.util.ArrayList;32import java.util.List;33public class MockTransformerChain {34    private final List<MockTransformer> transformers = new ArrayList<MockTransformer>();35    public void add(MockTransformer transformer) {36        transformers.add(transformer);37    }38    public List<MockTransformer> getTransformers() {39        return transformers;40    }41}42package org.powermock.core.transformers.impl;43public class MockTransformer {44}

createChainFrom

Using AI Code Generation

1public class MockStaticChainTest {2    public void testMockStaticChain() {3        MockTransformerChain chain = MockTransformerTestHelper.createChainFrom(MockTransformerChain.class, MockTransformer.class);4        chain.mockStaticMethod(MockStaticChainTest.class, "staticMethod", "staticMethod");5        Assert.assertEquals("staticMethod", staticMethod());6    }7    public static String staticMethod() {8        return "staticMethod";9    }10}

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