Best Powermock code snippet using samples.powermockito.junit4.agent.MemberModificationExampleTest.assertEquals
Source:MemberModificationExampleTest.java
...42 @Test43 public void suppressMultipleMethodsExample1() throws Exception {44 suppress(methods(SuppressMethod.class, "getObject", "getInt"));45 Assert.assertNull(new SuppressMethod().getObject());46 Assert.assertEquals(0, new SuppressMethod().getInt());47 }48 @Test49 public void suppressMultipleMethodsExample2() throws Exception {50 suppress(methods(method(SuppressMethod.class, "getObject"), method(SuppressMethod.class, "getInt")));51 Assert.assertNull(new SuppressMethod().getObject());52 Assert.assertEquals(0, new SuppressMethod().getInt());53 }54 @Test55 public void suppressAllMethodsExample() throws Exception {56 suppress(methodsDeclaredIn(SuppressMethod.class));57 final SuppressMethod tested = new SuppressMethod();58 Assert.assertNull(tested.getObject());59 Assert.assertNull(SuppressMethod.getObjectStatic());60 Assert.assertEquals(0, tested.getByte());61 }62 @Test63 public void suppressSingleFieldExample() throws Exception {64 suppress(field(SuppressField.class, "domainObject"));65 SuppressField tested = new SuppressField();66 Assert.assertNull(tested.getDomainObject());67 }68 @Test69 public void suppressConstructorExample() throws Exception {70 suppress(constructor(SuppressConstructorHierarchy.class));71 SuppressConstructorHierarchy tested = new SuppressConstructorHierarchy("message");72 Assert.assertEquals(42, tested.getNumber());73 Assert.assertNull(tested.getMessage());74 }75 @Test76 public void stubSingleMethodExample() throws Exception {77 final String expectedReturnValue = "new";78 stub(method(SuppressMethod.class, "getObject")).toReturn(expectedReturnValue);79 final SuppressMethod tested = new SuppressMethod();80 Assert.assertEquals(expectedReturnValue, tested.getObject());81 Assert.assertEquals(expectedReturnValue, tested.getObject());82 }83 @Test84 public void duckTypeStaticMethodExample() throws Exception {85 replace(method(SuppressMethod.class, "getObjectStatic")).with(method(StaticAndInstanceDemo.class, "getStaticMessage"));86 Assert.assertEquals(SuppressMethod.getObjectStatic(), StaticAndInstanceDemo.getStaticMessage());87 }88 @Test89 public void whenReplacingMethodWithAMethodOfIncorrectReturnTypeThenAnIAEIsThrown() throws Exception {90 try {91 replace(method(SuppressMethod.class, "getObjectStatic")).with(method(StaticAndInstanceDemo.class, "aVoidMethod"));92 Assert.fail("Should thow IAE");93 } catch (Exception e) {94 Assert.assertEquals("The replacing method (public static void samples.staticandinstance.StaticAndInstanceDemo.aVoidMethod()) needs to return java.lang.Object and not void.", e.getMessage());95 }96 }97 @Test98 public void whenReplacingMethodWithAMethodOfWithIncorrectParametersThenAnIAEIsThrown() throws Exception {99 try {100 replace(method(SuppressMethod.class, "getObjectStatic")).with(method(StaticAndInstanceDemo.class, "aMethod2"));101 Assert.fail("Should thow IAE");102 } catch (Exception e) {103 Assert.assertEquals("The replacing method, \"public static java.lang.Object samples.staticandinstance.StaticAndInstanceDemo.aMethod2(java.lang.String)\", needs to have the same number of parameters of the same type as as method \"public static java.lang.Object samples.suppressmethod.SuppressMethod.getObjectStatic()\".", e.getMessage());104 }105 }106 @Test107 public void changingReturnValueExample() throws Exception {108 replace(method(SuppressMethod.class, "getObjectWithArgument")).with(new MemberModificationExampleTest.ReturnValueChangingInvocationHandler());109 final SuppressMethod tested = new SuppressMethod();110 Assert.assertThat(tested.getObjectWithArgument("don't do anything"), CoreMatchers.is(CoreMatchers.instanceOf(Object.class)));111 Assert.assertEquals("hello world", tested.getObjectWithArgument("make it a string"));112 }113 @Test114 public void suppressAllConstructors() throws Exception {115 suppress(constructorsDeclaredIn(SuppressEverything.class));116 SuppressEverything suppressEverything = new SuppressEverything();117 new SuppressEverything("test");118 try {119 suppressEverything.something();120 Assert.fail("Should throw ISE");121 } catch (IllegalStateException e) {122 Assert.assertEquals("error", e.getMessage());123 }124 }125 @Test126 public void suppressEverythingExample() throws Exception {127 suppress(everythingDeclaredIn(SuppressEverything.class));128 SuppressEverything suppressEverything = new SuppressEverything();129 new SuppressEverything("test");130 suppressEverything.something();131 suppressEverything.somethingElse();132 }133 private final class ReturnValueChangingInvocationHandler implements InvocationHandler {134 @Override135 public Object invoke(Object object, Method method, Object[] arguments) throws Throwable {136 if (arguments[0].equals("make it a string")) {...
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