How to use getSerializedBytes method of org.easymock.internal.DefaultClassInstantiator class

Best Easymock code snippet using org.easymock.internal.DefaultClassInstantiator.getSerializedBytes

Source:DefaultClassInstantiator.java Github

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...38 public Object newInstance(final Class<?> c) throws InstantiationException {3940 if (isSerializable(c)) {41 try {42 return readObject(getSerializedBytes(c));43 // ///CLOVER:OFF44 } catch (final IOException e) {45 throw new RuntimeException("Failed to instantiate " + c.getName() + "'s mock: ", e);46 } catch (final ClassNotFoundException e) {47 throw new RuntimeException("Failed to instantiate " + c.getName() + "'s mock: ", e);48 }49 // ///CLOVER:ON50 }5152 final Constructor<?> constructor = getConstructorToUse(c);53 final Object[] params = getArgsForTypes(constructor.getParameterTypes());54 try {55 return constructor.newInstance(params);56 // ///CLOVER:OFF57 } catch (final IllegalArgumentException e) {58 throw new RuntimeException("Failed to instantiate " + c.getName() + "'s mock: ", e);59 } catch (final IllegalAccessException e) {60 throw new RuntimeException("Failed to instantiate " + c.getName() + "'s mock: ", e);61 // ///CLOVER:ON62 } catch (final InvocationTargetException e) {63 throw new RuntimeException("Failed to instantiate " + c.getName() + "'s mock: ", e);64 }65 }6667 /**68 * Tells if the provided class is serializable69 * 70 * @param clazz71 * Class to check72 * @return If the class is serializable73 */74 private boolean isSerializable(final Class<?> clazz) {75 return Serializable.class.isAssignableFrom(clazz);76 }7778 /**79 * Return the constructor considered the best to use with this class.80 * Algorithm is: No args constructor and then first constructor defined in81 * the class82 * 83 * @param clazz84 * Class in which constructor is searched85 * @return Constructor to use86 */87 public Constructor<?> getConstructorToUse(final Class<?> clazz) {88 // First try to use the empty constructor89 try {90 return clazz.getConstructor(new Class[0]);91 } catch (final NoSuchMethodException e) {92 // If it fails just use the first one93 if (clazz.getConstructors().length == 0) {94 throw new IllegalArgumentException("No visible constructors in class " + clazz.getName());95 }96 return clazz.getConstructors()[0];97 }98 }99100 /**101 * Get some default instances of provided classes102 * 103 * @param methodTypes104 * Classes to instantiate105 * @return Instances of methodTypes in order106 * @throws InstantiationException Thrown if the class instantiation fails107 */108 public Object[] getArgsForTypes(final Class<?>[] methodTypes) throws InstantiationException {109 final Object[] methodArgs = new Object[methodTypes.length];110111 for (int i = 0; i < methodTypes.length; i++) {112113 if (methodTypes[i].isPrimitive()) {114 // Return a nice wrapped primitive type115 methodArgs[i] = RecordState.emptyReturnValueFor(methodTypes[i]);116 // ///CLOVER:OFF TODO: Remove when we manage to fix the ignored tests117 } else if (Modifier.isFinal(methodTypes[i].getModifiers())) {118 // Instantiate the class using the best constructor we can find119 // (because it's not120 // possible to mock a final class)121 methodArgs[i] = newInstance(methodTypes[i]);122 // ///CLOVER:ON123 } else {124 // For all classes and interfaces, just return a nice mock125 final Object mock = EasyMock.createNiceMock(methodTypes[i]);126 EasyMock.replay(mock);127 methodArgs[i] = mock;128 }129 }130 return methodArgs;131 }132133 private static byte[] getSerializedBytes(final Class<?> clazz) throws IOException {134 final ByteArrayOutputStream baos = new ByteArrayOutputStream();135 final DataOutputStream data = new DataOutputStream(baos);136 data.writeShort(ObjectStreamConstants.STREAM_MAGIC);137 data.writeShort(ObjectStreamConstants.STREAM_VERSION);138 data.writeByte(ObjectStreamConstants.TC_OBJECT);139 data.writeByte(ObjectStreamConstants.TC_CLASSDESC);140 data.writeUTF(clazz.getName());141142 final Long suid = getSerializableUID(clazz);143144 data.writeLong(suid.longValue());145146 data.writeByte(2); // classDescFlags (2 = Serializable)147 data.writeShort(0); // field count ...

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getSerializedBytes

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1import org.easymock.EasyMock;2import org.easymock.EasyMockRunner;3import org.easymock.Mock;4import org.easymock.internal.DefaultClassInstantiator;5import org.junit.Test;6import org.junit.runner.RunWith;7import java.io.Serializable;8import java.lang.reflect.Field;9import java.util.Arrays;10import java.util.List;11import static org.junit.Assert.assertEquals;12import static org.junit.Assert.assertTrue;13@RunWith(EasyMockRunner.class)14public class TestEasyMock {15 Serializable mock;16 public void testEasyMock() throws Exception {17 List<String> list = Arrays.asList("test1", "test2");18 EasyMock.expect(mock.toString()).andReturn("test");19 EasyMock.expect(mock.hashCode()).andReturn(0);20 EasyMock.expect(mock.equals(mock)).andReturn(true);21 EasyMock.expect(mock.getClass()).andReturn(String.class);22 EasyMock.expect(mock.clone()).andReturn(mock);23 EasyMock.expect(mock.getSerializedBytes()).andReturn(list);24 EasyMock.replay(mock);25 assertEquals("test", mock.toString());26 assertEquals(0, mock.hashCode());27 assertTrue(mock.equals(mock));28 assertEquals(String.class, mock.getClass());

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getSerializedBytes

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1import java.io.ByteArrayOutputStream;2import java.io.ObjectOutputStream;3import java.io.Serializable;4import org.easymock.EasyMock;5import org.easymock.internal.DefaultClassInstantiator;6import org.easymock.internal.MocksControl;7import org.junit.Assert;8import org.junit.Test;9public class SerializationTest {10 public void testSerialization() throws Exception {11 DefaultClassInstantiator classInstantiator = new DefaultClassInstantiator();12 MocksControl control = EasyMock.createControl();13 control.setClassInstantiator(classInstantiator);14 Serializable mock = control.createMock(Serializable.class);15 byte[] bytes = classInstantiator.getSerializedBytes(mock);16 Assert.assertNotNull(bytes);17 Assert.assertTrue(bytes.length > 0);18 }19}

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getSerializedBytes

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1public class DefaultClassInstantiatorTest {2 private DefaultClassInstantiator defaultClassInstantiator;3 public void setUp() {4 defaultClassInstantiator = new DefaultClassInstantiator();5 }6 public void testGetSerializedBytes() {7 String s = "hello";8 byte[] bytes = defaultClassInstantiator.getSerializedBytes(s);9 Assert.assertNotNull("Serialized bytes should not be null", bytes);10 Assert.assertTrue("Serialized bytes should not be em

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getSerializedBytes

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1import java.io.ByteArrayInputStream;2import java.io.ByteArrayOutputStream;3import java.io.ObjectInputStream;4import java.io.ObjectOutputStream;5import java.io.Serializable;6import org.easymock.internal.DefaultClassInstantiator;7public class TestSerializableObject implements Serializable {8 private static final long serialVersionUID = 1L;9 private String name;10 private int age;11 public TestSerializableObject(String name, int age) {12 this.name = name;13 this.age = age;14 }15 public String getName() {16 return name;17 }18 public int getAge() {19 return age;20 }21 public String toString() {22 return "TestSerializableObject [name=" + name + ", age=" + age + "]";23 }24 public static void main(String[] args) throws Exception {25 TestSerializableObject testSerializableObject = new TestSerializableObject("Test", 10);26 System.out.println(testSerializableObject);27 DefaultClassInstantiator defaultClassInstantiator = new DefaultClassInstantiator();28 byte[] serializedBytes = defaultClassInstantiator.getSerializedBytes(testSerializableObject);29 System.out.println("serializedBytes = " + serializedBytes);30 TestSerializableObject deserializedObject = (TestSerializableObject) defaultClassInstantiator.getDeserializedObject(serializedBytes);31 System.out.println(deserializedObject);32 }33}

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getSerializedBytes

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1public class GetSerializedBytes {2 public static void main(String[] args) throws Exception {3 ObjectInputStream ois = null;4 try {5 ois = new ObjectInputStream(new FileInputStream("C:\\Users\\Public\\Documents\\SerializedBytes\\SerializedBytes.txt"));6 Object obj = ois.readObject();7 System.out.println(obj);8 System.out.println(obj.getClass().getName());9 System.out.println(obj.getClass().getSuperclass().getName());10 System.out.println(obj.getClass().getSuperclass().getSuperclass().getName());11 System.out.println(obj.getClass().getSuperclass().getSuperclass().getSuperclass().getName());12 System.out.println(obj.getClass().getSuperclass().getSuperclass().getSuperclass().getSuperclass().getName());13 System.out.println(obj.getClass().getSuperclass().getSuperclass().getSuperclass().getSuperclass().getSuperclass().getName());14 System.out.println(obj.getClass().getSuperclass().getSuperclass().getSuperclass().getSuperclass().getSuperclass().getSuperclass().getName());15 System.out.println(obj.getClass().getSuperclass().getSuperclass().getSuperclass().getSuperclass().getSuperclass().getSuperclass().getSuperclass().g

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