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+/*
+ * Copyright 2011 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.google.testing.littlemock;
+
+import static com.google.testing.littlemock.LittleMock.anyBoolean;
+import static com.google.testing.littlemock.LittleMock.anyByte;
+import static com.google.testing.littlemock.LittleMock.anyChar;
+import static com.google.testing.littlemock.LittleMock.anyDouble;
+import static com.google.testing.littlemock.LittleMock.anyFloat;
+import static com.google.testing.littlemock.LittleMock.anyInt;
+import static com.google.testing.littlemock.LittleMock.anyLong;
+import static com.google.testing.littlemock.LittleMock.anyObject;
+import static com.google.testing.littlemock.LittleMock.anyShort;
+import static com.google.testing.littlemock.LittleMock.anyString;
+import static com.google.testing.littlemock.LittleMock.anyTimes;
+import static com.google.testing.littlemock.LittleMock.atLeast;
+import static com.google.testing.littlemock.LittleMock.atLeastOnce;
+import static com.google.testing.littlemock.LittleMock.atMost;
+import static com.google.testing.littlemock.LittleMock.between;
+import static com.google.testing.littlemock.LittleMock.checkForProgrammingErrorsDuringTearDown;
+import static com.google.testing.littlemock.LittleMock.doAnswer;
+import static com.google.testing.littlemock.LittleMock.doNothing;
+import static com.google.testing.littlemock.LittleMock.doReturn;
+import static com.google.testing.littlemock.LittleMock.doThrow;
+import static com.google.testing.littlemock.LittleMock.eq;
+import static com.google.testing.littlemock.LittleMock.initMocks;
+import static com.google.testing.littlemock.LittleMock.isA;
+import static com.google.testing.littlemock.LittleMock.mock;
+import static com.google.testing.littlemock.LittleMock.never;
+import static com.google.testing.littlemock.LittleMock.reset;
+import static com.google.testing.littlemock.LittleMock.times;
+import static com.google.testing.littlemock.LittleMock.verify;
+import static com.google.testing.littlemock.LittleMock.verifyNoMoreInteractions;
+import static com.google.testing.littlemock.LittleMock.verifyZeroInteractions;
+
+import junit.framework.TestCase;
+
+import java.io.IOException;
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+import java.lang.reflect.InvocationHandler;
+import java.lang.reflect.Method;
+import java.lang.reflect.Proxy;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.concurrent.Callable;
+
+/**
+ * Unit tests for the LittleMock class.
+ *
+ * @author hugohudson@gmail.com (Hugo Hudson)
+ */
+public class LittleMockTest extends TestCase {
+ /**
+ * Used in these unit tests to indicate that the method should throw a given type of exception.
+ */
+ @Target({ ElementType.METHOD })
+ @Retention(RetentionPolicy.RUNTIME)
+ public @interface ShouldThrow {
+ public Class<? extends Throwable> value();
+ public String[] messages() default {};
+ }
+
+ @Mock private Foo mFoo;
+ @Mock private Bar mBar;
+ @Mock private BarSubtype mBarSubtype;
+ @Captor private ArgumentCaptor<String> mCaptureString;
+ @Captor private ArgumentCaptor<String> mCaptureAnotherString;
+ @Captor private ArgumentCaptor<Integer> mCaptureInteger;
+ @Captor private ArgumentCaptor<Callback> mCaptureCallback;
+
+ @Override
+ protected void setUp() throws Exception {
+ super.setUp();
+ LittleMock.initMocks(this);
+ }
+
+ @Override
+ protected void runTest() throws Throwable {
+ Method method = getClass().getMethod(getName(), (Class[]) null);
+ ShouldThrow shouldThrowAnnotation = method.getAnnotation(ShouldThrow.class);
+ if (shouldThrowAnnotation != null) {
+ try {
+ super.runTest();
+ fail("Should have thrown " + shouldThrowAnnotation.value());
+ } catch (Throwable e) {
+ if (!e.getClass().equals(shouldThrowAnnotation.value())) {
+ fail("Should have thrown " + shouldThrowAnnotation.value() + " but threw " + e);
+ }
+ for (String requiredSubstring : shouldThrowAnnotation.messages()) {
+ if (!e.getMessage().contains(requiredSubstring)) {
+ fail("Error message didn't contain " + requiredSubstring + ", was " + e.getMessage());
+ }
+ }
+ // Good, test passes.
+ }
+ } else {
+ super.runTest();
+ }
+ }
+
+ /** Simple interface for testing against. */
+ public interface Callback {
+ public void callMeNow();
+ }
+
+ /** Simple interface for testing against. */
+ public interface Foo {
+ public int anInt();
+ public boolean aBoolean();
+ public byte aByte();
+ public short aShort();
+ public long aLong();
+ public float aFloat();
+ public double aDouble();
+ public char aChar();
+ public String aString();
+ public Object anObject();
+ public Foo anInterface();
+ public void add(String input);
+ public void clear();
+ public String get(int index);
+ public String lookup(String string);
+ public void getResultLater(Callback callback);
+ public String findByInt(int input);
+ public String findByBoolean(boolean input);
+ public String findByByte(byte input);
+ public String findByShort(short input);
+ public String findByLong(long input);
+ public String findByFloat(float input);
+ public String findByDouble(double input);
+ public String findByChar(char input);
+ public void takesObject(Object input);
+ public void takesList(List<String> input);
+ public void takesBar(Bar bar);
+ public void exceptionThrower() throws Exception;
+ public Bar aBar();
+ public BarSubtype aBarSubtype();
+ }
+
+ /** Simple interface for testing against. */
+ public interface Bar {
+ public void doSomething();
+ public String twoStrings(String first, String second);
+ public void mixedArguments(int first, String second);
+ public void getResultLater(Callback callback);
+ }
+
+ /** Subtype of Bar. */
+ public interface BarSubtype extends Bar {
+ public void doSomethingElse();
+ }
+
+ /** Another interface for testing with. */
+ public interface OnClickListener {
+ void onClick(Bar bar);
+ }
+
+ public void testDefaultReturnTypesForNewMocks() {
+ assertEquals(0, mFoo.anInt());
+ assertEquals(false, mFoo.aBoolean());
+ assertEquals(0, mFoo.aByte());
+ assertEquals(0, mFoo.aShort());
+ assertEquals(0L, mFoo.aLong());
+ assertEquals(0.0f, mFoo.aFloat());
+ assertEquals(0.0d, mFoo.aDouble());
+ assertEquals('\u0000', mFoo.aChar());
+ assertEquals(null, mFoo.aString());
+ assertEquals(null, mFoo.anObject());
+ assertEquals(null, mFoo.anInterface());
+ }
+
+ @ShouldThrow(IllegalArgumentException.class)
+ public void testVerify_FailsIfNotDoneOnAProxy() {
+ verify("hello").contains("something");
+ }
+
+ @ShouldThrow(IllegalArgumentException.class)
+ public void testVerify_FailsIfNotCreatedByOurMockMethod() {
+ verify(createNotARealMock()).add("something");
+ }
+
+ public void testVerify_SuccessfulVerification() {
+ mFoo.add("something");
+ verify(mFoo).add("something");
+ }
+
+ public void testVerify_SuccessfulVerification_NormalOrder() {
+ mFoo.add("something");
+ mFoo.add("something else");
+ verify(mFoo).add("something");
+ verify(mFoo).add("something else");
+ }
+
+ public void testVerify_SuccessfulVerification_ReverseOrder() {
+ mFoo.add("something");
+ mFoo.add("something else");
+ verify(mFoo).add("something else");
+ verify(mFoo).add("something");
+ }
+
+ @ShouldThrow(AssertionError.class)
+ public void testVerify_MeansOnlyOnceSoShouldFailIfCalledTwice() {
+ mFoo.add("something");
+ mFoo.add("something");
+ verify(mFoo).add("something");
+ }
+
+ @ShouldThrow(AssertionError.class)
+ public void testVerify_FailedVerification_CalledWithWrongArgument() {
+ mFoo.add("something else");
+ verify(mFoo).add("something");
+ }
+
+ @ShouldThrow(AssertionError.class)
+ public void testVerify_FailedVerification_WasNeverCalled() {
+ verify(mFoo).add("something");
+ }
+
+ public void testVerify_TimesTwice_Succeeds() {
+ mFoo.add("jim");
+ mFoo.add("jim");
+ verify(mFoo, LittleMock.times(2)).add("jim");
+ }
+
+ @ShouldThrow(AssertionError.class)
+ public void testVerify_TimesTwice_ButThreeTimesFails() {
+ mFoo.add("jim");
+ mFoo.add("jim");
+ mFoo.add("jim");
+ verify(mFoo, LittleMock.times(2)).add("jim");
+ }
+
+ @ShouldThrow(AssertionError.class)
+ public void testVerify_TimesTwice_ButOnceFails() {
+ mFoo.add("jim");
+ verify(mFoo, LittleMock.times(2)).add("jim");
+ }
+
+ @ShouldThrow(AssertionError.class)
+ public void testVerify_TimesTwice_DifferentStringsFails() {
+ mFoo.add("jim");
+ mFoo.add("bob");
+ verify(mFoo, LittleMock.times(2)).add("jim");
+ }
+
+ public void testVerify_TimesTwice_WorksWithAnyString() {
+ mFoo.add("jim");
+ mFoo.add("bob");
+ verify(mFoo, LittleMock.times(2)).add(anyString());
+ }
+
+ @ShouldThrow(AssertionError.class)
+ public void testVerify_TimesTwice_FailsIfJustOnceWithAnyString() {
+ mFoo.add("bob");
+ verify(mFoo, LittleMock.times(2)).add(anyString());
+ }
+
+ @ShouldThrow(AssertionError.class)
+ public void testVerify_TimesTwice_FailsIfThreeTimesWithAnyString() {
+ mFoo.add("bob");
+ mFoo.add("jim");
+ mFoo.add("james");
+ verify(mFoo, LittleMock.times(2)).add(anyString());
+ }
+
+ public void testVerify_Never_Succeeds() {
+ verify(mFoo, never()).add("jim");
+ verify(mFoo, never()).anInt();
+ }
+
+ @ShouldThrow(AssertionError.class)
+ public void testVerify_Never_FailsIfWasCalled() {
+ mFoo.add("jim");
+ verify(mFoo, never()).add("jim");
+ }
+
+ public void testVerify_Never_PassesIfArgumentsDontMatch() {
+ mFoo.add("bobby");
+ verify(mFoo, never()).add("jim");
+ }
+
+ public void testVerify_AtLeastOnce_SuceedsForOneCall() {
+ mFoo.add("jim");
+ verify(mFoo, atLeastOnce()).add("jim");
+ }
+
+ public void testVerify_AtLeastOnce_SuceedsForThreeCalls() {
+ mFoo.add("jim");
+ mFoo.add("jim");
+ mFoo.add("jim");
+ verify(mFoo, atLeastOnce()).add("jim");
+ }
+
+ @ShouldThrow(AssertionError.class)
+ public void testVerify_AtLeastOnce_FailsForNoCalls() {
+ verify(mFoo, atLeastOnce()).add("jim");
+ }
+
+ public void testVerify_AtLeastThreeTimes_SuceedsForThreeCalls() {
+ mFoo.add("jim");
+ mFoo.add("jim");
+ mFoo.add("jim");
+ verify(mFoo, atLeast(3)).add("jim");
+ }
+
+ public void testVerify_AtLeastThreeTimes_SuceedsForFiveCalls() {
+ mFoo.add("jim");
+ mFoo.add("jim");
+ mFoo.add("jim");
+ mFoo.add("jim");
+ mFoo.add("jim");
+ verify(mFoo, atLeast(3)).add("jim");
+ }
+
+ @ShouldThrow(AssertionError.class)
+ public void testVerify_AtLeastThreeTimes_FailsForTwoCalls() {
+ mFoo.add("jim");
+ mFoo.add("jim");
+ verify(mFoo, atLeast(3)).add("jim");
+ }
+
+ public void testVerify_AtMostThreeTimes_SuceedsForThreeCalls() {
+ mFoo.add("jim");
+ mFoo.add("jim");
+ mFoo.add("jim");
+ verify(mFoo, atMost(3)).add("jim");
+ }
+
+ @ShouldThrow(AssertionError.class)
+ public void testVerify_AtMostThreeTimes_FailsForFiveCalls() {
+ mFoo.add("jim");
+ mFoo.add("jim");
+ mFoo.add("jim");
+ mFoo.add("jim");
+ mFoo.add("jim");
+ verify(mFoo, atMost(3)).add("jim");
+ }
+
+ public void testVerify_AtMostThreeTimes_SucceedsForTwoCalls() {
+ mFoo.add("jim");
+ mFoo.add("jim");
+ verify(mFoo, atMost(3)).add("jim");
+ }
+
+ public void testVerify_AtMostThreeTimes_SucceedsForNoCalls() {
+ verify(mFoo, atMost(3)).add("jim");
+ }
+
+ public void testVerify_BetweenTwoAndFour_SucceedsForTwoCalls() {
+ mFoo.add("jim");
+ mFoo.add("jim");
+ verify(mFoo, between(2, 4)).add("jim");
+ }
+
+ public void testVerify_BetweenTwoAndFour_SucceedsForFourCalls() {
+ mFoo.add("jim");
+ mFoo.add("jim");
+ mFoo.add("jim");
+ mFoo.add("jim");
+ verify(mFoo, between(2, 4)).add("jim");
+ }
+
+ @ShouldThrow(AssertionError.class)
+ public void testVerify_BetweenTwoAndFour_FailsForOneCall() {
+ mFoo.add("jim");
+ verify(mFoo, between(2, 4)).add("jim");
+ }
+
+ @ShouldThrow(AssertionError.class)
+ public void testVerify_BetweenTwoAndFour_FailsForFiveCalls() {
+ mFoo.add("jim");
+ mFoo.add("jim");
+ mFoo.add("jim");
+ mFoo.add("jim");
+ mFoo.add("jim");
+ verify(mFoo, LittleMock.between(2, 4)).add("jim");
+ }
+
+ public void testDoReturnWhen_SimpleReturn() {
+ doReturn("first").when(mFoo).get(0);
+ assertEquals("first", mFoo.get(0));
+ }
+
+ public void testDoReturnWhen_LastStubCallWins() {
+ doReturn("first").when(mFoo).get(0);
+ doReturn("second").when(mFoo).get(0);
+ assertEquals("second", mFoo.get(0));
+ }
+
+ public void testDoReturnWhen_CorrectStubMethodIsChosen() {
+ doReturn("one").when(mFoo).get(1);
+ doReturn("two").when(mFoo).get(2);
+ assertEquals("one", mFoo.get(1));
+ assertEquals("two", mFoo.get(2));
+ }
+
+ public void testDoReturnWhen_UnstubbedMethodStillReturnsDefault() {
+ doReturn("one").when(mFoo).get(1);
+ assertEquals(null, mFoo.get(2));
+ }
+
+ @ShouldThrow(IllegalArgumentException.class)
+ public void testDoReturnWhen_CalledOnString() {
+ doReturn("first").when("hello").contains("something");
+ }
+
+ @ShouldThrow(IllegalArgumentException.class)
+ public void testDoReturnWhen_CalledOnNonMock() {
+ doReturn("first").when(createNotARealMock()).get(0);
+ }
+
+ public void testDoReturnWhen_CanAlsoBeVerified() {
+ // Mockito home page suggests that you don't verify stubbed calls.
+ // I agree. They support it anyway. So will I.
+ doReturn("one").when(mFoo).get(8);
+ mFoo.get(8);
+ verify(mFoo).get(8);
+ }
+
+ public void testDoReturn_CanPassIntForIntMethod() {
+ doReturn(90).when(mFoo).anInt();
+ assertEquals(90, mFoo.anInt());
+ }
+
+ // Interesting, you have to explicity convert the Integer class back into an int before it
+ // is happy to accept this.
+ public void testDoReturn_CanPassIntegerClassForIntMethod() {
+ doReturn((int) Integer.valueOf(10)).when(mFoo).anInt();
+ assertEquals(10, mFoo.anInt());
+ }
+
+ public void testDoReturn_PrimitiveLong() {
+ doReturn((long) Long.valueOf(10L)).when(mFoo).aLong();
+ assertEquals(10L, mFoo.aLong());
+ }
+
+ public void testDoReturn_PrimitiveTypes() {
+ doReturn(5).when(mFoo).anInt();
+ assertEquals(5, mFoo.anInt());
+ doReturn((short) 5).when(mFoo).aShort();
+ assertEquals(5, mFoo.aShort());
+ doReturn(true).when(mFoo).aBoolean();
+ assertEquals(true, mFoo.aBoolean());
+ doReturn((byte) 3).when(mFoo).aByte();
+ assertEquals(3, mFoo.aByte());
+ doReturn(0.6f).when(mFoo).aFloat();
+ assertEquals(0.6f, mFoo.aFloat());
+ doReturn(0.7).when(mFoo).aDouble();
+ assertEquals(0.7, mFoo.aDouble());
+ doReturn('c').when(mFoo).aChar();
+ assertEquals('c', mFoo.aChar());
+ assertEquals(null, mFoo.anInterface());
+ }
+
+ @ShouldThrow(RuntimeException.class)
+ public void testDoThrow_SimpleException() {
+ doThrow(new RuntimeException()).when(mFoo).aDouble();
+ mFoo.aDouble();
+ }
+
+ public void testDoThrow_IfItDoesntMatchItIsntThrown() {
+ doThrow(new RuntimeException()).when(mFoo).aDouble();
+ mFoo.aChar();
+ }
+
+ @ShouldThrow(RuntimeException.class)
+ public void testDoThrow_KeepsThrowingForever() {
+ doThrow(new RuntimeException()).when(mFoo).aDouble();
+ try {
+ mFoo.aDouble();
+ fail("Should have thrown a RuntimeException");
+ } catch (RuntimeException e) {
+ // Expected.
+ }
+ // This second call should also throw a RuntimeException.
+ mFoo.aDouble();
+ }
+
+ public void testDoNothing() {
+ doNothing().when(mFoo).add("first");
+ mFoo.add("first");
+ }
+
+ public void testVerifyZeroInteractions_PassesWhenNothingHasHappened() {
+ verifyZeroInteractions(mFoo);
+ }
+
+ @ShouldThrow(AssertionError.class)
+ public void testVerifyZeroInteractions_FailsIfSomethingHasHappened() {
+ mFoo.aBoolean();
+ verifyZeroInteractions(mFoo);
+ }
+
+ public void testVerifyZeroInteractions_HappyWithMultipleArguments() {
+ verifyZeroInteractions(mFoo, mBar);
+ }
+
+ @ShouldThrow(AssertionError.class)
+ public void testVerifyZeroInteractions_ShouldFailEvenIfOtherInteractionsWereFirstVerified() {
+ mFoo.add("test");
+ verify(mFoo).add("test");
+ verifyZeroInteractions(mFoo);
+ }
+
+ public void testVerifyEq_Method() {
+ mFoo.add("test");
+ verify(mFoo).add(eq("test"));
+ }
+
+ public void testVerifyEq_MethodWithTwoSameTypeParameters() {
+ mBar.twoStrings("first", "test");
+ verify(mBar).twoStrings(eq("first"), eq("test"));
+ }
+
+ public void testVerifyEq_MethodWithTwoDifferentTypeParameters() {
+ mBar.mixedArguments(8, "test");
+ verify(mBar).mixedArguments(eq(8), eq("test"));
+ }
+
+ @ShouldThrow(AssertionError.class)
+ public void testVerifyEq_MethodFailsIfNotEqual() {
+ mFoo.add("bob");
+ verify(mFoo).add(eq("jim"));
+ }
+
+ @ShouldThrow(AssertionError.class)
+ public void testVerifyEq_MethodFailsIfJustOneIsNotEqual() {
+ mBar.twoStrings("first", "second");
+ verify(mBar).twoStrings(eq("first"), eq("third"));
+ }
+
+ @ShouldThrow(AssertionError.class)
+ public void testVerifyEq_MethodFailsIfSameParamsButInWrongOrder() {
+ mBar.twoStrings("first", "second");
+ verify(mBar).twoStrings(eq("second"), eq("first"));
+ }
+
+ public void testCapture_SimpleCapture() {
+ // We verify that there are zero matchers by using the check for programming errors method.
+ checkForProgrammingErrorsDuringTearDown();
+ mFoo.add("test");
+ verify(mFoo).add(mCaptureString.capture());
+ assertEquals("test", mCaptureString.getValue());
+ checkForProgrammingErrorsDuringTearDown();
+ }
+
+ public void testCapture_DuringStubbing() {
+ checkForProgrammingErrorsDuringTearDown();
+ doReturn("hello").when(mFoo).lookup(mCaptureString.capture());
+
+ assertEquals("hello", mFoo.lookup("what"));
+ assertEquals("what", mCaptureString.getValue());
+ }
+
+ public void testCapture_TwoCallbacksDuringStubbing() {
+ checkForProgrammingErrorsDuringTearDown();
+ doNothing().when(mFoo).add(mCaptureString.capture());
+ doNothing().when(mFoo).getResultLater(mCaptureCallback.capture());
+
+ mFoo.add("hi");
+ assertEquals("hi", mCaptureString.getValue());
+
+ Callback callback = createNoOpCallback();
+ mFoo.getResultLater(callback);
+ assertEquals(callback, mCaptureCallback.getValue());
+ }
+
+ // TODO(hugohudson): 6. Is this impossible to fix? You can't pass a
+ // createCapture().capture() into a method expecting an int, because the capture
+ // method returns null, and that gets auto-boxed to Integer on the way out of the
+ // capture method, then auto-unboxed into an int when being passed to the underlying
+ // method, which gives the NPE. How best can we fix this?
+ // It's not like you need to anyway - there's no point / need to capture a primitive,
+ // just use eq(5) for example.
+ public void testCapture_NPEWhenUnboxing() {
+ try {
+ mBar.mixedArguments(5, "ten");
+ verify(mBar).mixedArguments(mCaptureInteger.capture(), mCaptureString.capture());
+ // These lines are never reached, the previous line throws an NPE.
+ fail("You shouldn't be able to reach here");
+ assertEquals(Integer.valueOf(5), mCaptureInteger.getValue());
+ assertEquals("ten", mCaptureString.getValue());
+ } catch (NullPointerException e) {
+ // Expected, unfortunately.
+ // Now also we're in the situation where we have some captures hanging about in the static
+ // variable, which will cause the tear down of this method to fail - we can clear them
+ // as follows:
+ try {
+ checkForProgrammingErrorsDuringTearDown();
+ fail("Expected an IllegalStateException");
+ } catch (IllegalStateException e2) {
+ // Expected.
+ }
+ }
+ }
+
+ public void testCapture_MultiCapture() {
+ mFoo.lookup("james");
+ mFoo.add("whinny");
+ mFoo.add("jessica");
+ verify(mFoo).lookup(mCaptureString.capture());
+ verify(mFoo, atLeastOnce()).add(mCaptureAnotherString.capture());
+ assertEquals("james", mCaptureString.getValue());
+ assertEquals("jessica", mCaptureAnotherString.getValue());
+ assertEquals(newList("whinny", "jessica"), mCaptureAnotherString.getAllValues());
+ }
+
+ public static <T> List<T> newList(T... things) {
+ ArrayList<T> list = new ArrayList<T>();
+ for (T thing : things) {
+ list.add(thing);
+ }
+ return list;
+ }
+
+ public void testAnyString() {
+ doReturn("jim").when(mFoo).lookup(anyString());
+ assertEquals("jim", mFoo.lookup("barney"));
+ }
+
+ public void testAnyString_ObjectArgument() {
+ // It can also be passed to a method that takes object.
+ mFoo.takesObject("barney");
+ verify(mFoo).takesObject(anyString());
+ }
+
+ @ShouldThrow(AssertionError.class)
+ public void testAnyString_ObjectValue() {
+ mFoo.takesObject(new Object());
+ verify(mFoo).takesObject(anyString());
+ }
+
+ public void testAnyObject() {
+ doReturn("jim").when(mFoo).lookup((String) anyObject());
+ assertEquals("jim", mFoo.lookup("barney"));
+ }
+
+ public void testAnyPrimitives() {
+ mFoo.findByBoolean(true);
+ mFoo.findByInt(10000);
+ mFoo.findByByte((byte) 250);
+ mFoo.findByShort((short) 6666);
+ mFoo.findByLong(13L);
+ mFoo.findByFloat(8f);
+ mFoo.findByDouble(1.1);
+ mFoo.findByChar('h');
+ verify(mFoo).findByBoolean(anyBoolean());
+ verify(mFoo).findByInt(anyInt());
+ verify(mFoo).findByByte(anyByte());
+ verify(mFoo).findByShort(anyShort());
+ verify(mFoo).findByLong(anyLong());
+ verify(mFoo).findByFloat(anyFloat());
+ verify(mFoo).findByDouble(anyDouble());
+ verify(mFoo).findByChar(anyChar());
+ }
+
+ public void testAnyPrimitivesWhenMatching() {
+ doReturn("a").when(mFoo).findByBoolean(anyBoolean());
+ doReturn("b").when(mFoo).findByInt(anyInt());
+ doReturn("c").when(mFoo).findByByte(anyByte());
+ doReturn("d").when(mFoo).findByShort(anyShort());
+ doReturn("e").when(mFoo).findByLong(anyLong());
+ doReturn("f").when(mFoo).findByFloat(anyFloat());
+ doReturn("g").when(mFoo).findByDouble(anyDouble());
+ doReturn("h").when(mFoo).findByChar(anyChar());
+ assertEquals("a", mFoo.findByBoolean(true));
+ assertEquals("b", mFoo.findByInt(388));
+ assertEquals("c", mFoo.findByByte((byte) 38));
+ assertEquals("d", mFoo.findByShort((short) 16));
+ assertEquals("e", mFoo.findByLong(1000000L));
+ assertEquals("f", mFoo.findByFloat(15.3f));
+ assertEquals("g", mFoo.findByDouble(13.3));
+ assertEquals("h", mFoo.findByChar('i'));
+ }
+
+ public void testReset_NoInteractionsAfterReset() {
+ mFoo.aByte();
+ reset(mFoo);
+ verifyZeroInteractions(mFoo);
+ }
+
+ @ShouldThrow(AssertionError.class)
+ public void testReset_VerifyFailsAfterReset() {
+ mFoo.aByte();
+ reset(mFoo);
+ verify(mFoo).aByte();
+ }
+
+ public void testCapture_BothBeforeAndAfter() {
+ doNothing().when(mFoo).add(mCaptureString.capture());
+ mFoo.add("first");
+ verify(mFoo).add(mCaptureAnotherString.capture());
+ assertEquals("first", mCaptureString.getValue());
+ assertEquals("first", mCaptureAnotherString.getValue());
+ }
+
+ public void testDoAction_NormalOperation() {
+ doAnswer(new Callable<Boolean>() {
+ @Override
+ public Boolean call() throws Exception {
+ return Boolean.TRUE;
+ }
+ }).when(mFoo).aBoolean();
+ assertEquals(true, mFoo.aBoolean());
+ }
+
+ public void testComplexSituationWithCallback() {
+ // I want to specify that when hasCallback(Callback) method is called, the framework
+ // should immediately call on the captured callback.
+ doAnswer(new CallCapturedCallbackCallable())
+ .when(mBar).getResultLater(mCaptureCallback.capture());
+
+ // The test.
+ mBar.getResultLater(new Callback() {
+ @Override
+ public void callMeNow() {
+ mFoo.add("yes");
+ }
+ });
+
+ verify(mFoo).add("yes");
+ }
+
+ @ShouldThrow(IOException.class)
+ public void testDoAction_CanThrowDeclaredException() throws Exception {
+ doAnswer(new Callable<Void>() {
+ @Override
+ public Void call() throws Exception {
+ throw new IOException("Problem");
+ }
+ }).when(mFoo).exceptionThrower();
+ mFoo.exceptionThrower();
+ }
+
+ @ShouldThrow(RuntimeException.class)
+ public void testDoAction_CanThrowUndelcaredException() {
+ doAnswer(new Callable<Void>() {
+ @Override
+ public Void call() throws Exception {
+ throw new RuntimeException("Problem");
+ }
+ }).when(mFoo).aBoolean();
+ mFoo.aBoolean();
+ }
+
+ public void testRunThisIsAnAliasForDoAction() {
+ doAnswer(new Callable<Boolean>() {
+ @Override
+ public Boolean call() throws Exception {
+ return Boolean.TRUE;
+ }
+ }).when(mFoo).aBoolean();
+ assertEquals(true, mFoo.aBoolean());
+ }
+
+ public void testVerifyingTwice() {
+ // Behaviour from Mockito docs online seems to be undefined for what should happen if you
+ // try to verify the same behaviour twice.
+ // I'm going to make a call on this one until I have more concrete information, and my
+ // call is that it is okay to verify the same thing twice - a verify doesn't "consume"
+ // the other verifications.
+ // Thus this will pass:
+ mFoo.aByte();
+ verify(mFoo).aByte();
+ verify(mFoo).aByte();
+ }
+
+ public void testVerifyNoMoreInteractions_SuccessWhenNoInteractions() {
+ // Not absolutely certain how this is supposed to behave.
+ // My guess is that every verify "tags" all the methods it verifies against.
+ // Then verifyNoMoreInteractions() will pass only if there are no "untagged" method calls.
+ // Thus, for a start, no interactions will pass.
+ verifyNoMoreInteractions(mFoo, mBar);
+ }
+
+ public void testVerifyNoMoreInteractions_SuccessWhenOneActionWasVerified() {
+ mFoo.aBoolean();
+ verify(mFoo).aBoolean();
+ verifyNoMoreInteractions(mFoo, mBar);
+ }
+
+ @ShouldThrow(AssertionError.class)
+ public void testVerifyNoMoreInteractions_FailsWhenOneActionWasNotVerified() {
+ mFoo.aBoolean();
+ verifyNoMoreInteractions(mFoo, mBar);
+ }
+
+ public void testVerifyNoMoreInteractions_SucceedsWhenAllActionsWereVerified() {
+ mFoo.get(3);
+ mFoo.get(20);
+ verify(mFoo, atLeastOnce()).get(anyInt());
+ verifyNoMoreInteractions(mFoo);
+ }
+
+ @ShouldThrow(AssertionError.class)
+ public void testVerifyNoMoreInteractions_FailsWhenMostButNotAllActionsWereVerified() {
+ mFoo.get(3);
+ mFoo.get(20);
+ mFoo.aByte();
+ verify(mFoo, atLeastOnce()).get(anyInt());
+ verifyNoMoreInteractions(mFoo);
+ }
+
+ public void testVerifyNoMoreInteractions_ShouldIngoreStubbedCalls() {
+ doReturn("hi").when(mFoo).get(8);
+ mFoo.get(8);
+ verifyNoMoreInteractions(mFoo);
+ }
+
+ @ShouldThrow(IllegalArgumentException.class)
+ public void testMatchers_WrongNumberOfMatchersOnStubbingCausesError() {
+ doReturn("hi").when(mBar).twoStrings("jim", eq("bob"));
+ }
+
+ @ShouldThrow(IllegalArgumentException.class)
+ public void testMatchers_WrongNumberOfMatchersOnVerifyCausesError() {
+ verify(mBar).twoStrings("jim", eq("bob"));
+ }
+
+ @ShouldThrow(IllegalStateException.class)
+ public void testCreateACaptureButDontUseItShouldFailAtNextVerify() {
+ // If we create a capture illegally, outside of a method call, like so:
+ mCaptureString.capture();
+ // Then we will have illegally created an extra matcher object that we shouldn't have
+ // created that is now sitting on the stack, and that will confuse the next true method
+ // call on the mock object.
+ // Thus we should check in the verify() method that there are *no matchers* on the static
+ // list, as this would indicate a programming error such as the above.
+ verify(mFoo, anyTimes()).aBoolean();
+ }
+
+ @ShouldThrow(IllegalStateException.class)
+ public void testCreateACaptureButDontUseItShouldFailAtNextVerify_AlsoNoMoreInteractions() {
+ // Same result desired as in previous test.
+ mCaptureString.capture();
+ verifyNoMoreInteractions(mFoo);
+ }
+
+ @ShouldThrow(IllegalStateException.class)
+ public void testCreateACaptureButDontUseItShouldFailAtNextVerify_AlsoZeroInteraction() {
+ mCaptureString.capture();
+ verifyZeroInteractions(mFoo);
+ }
+
+ @ShouldThrow(IllegalStateException.class)
+ public void testCheckStaticVariablesMethod() {
+ // To help us avoid programming errors, I'm adding a method that you can call from tear down,
+ // which will explode if there is anything still left in your static variables at the end
+ // of the test (so that you know you did something wrong) and that also clears that static
+ // variable (so that the next test won't fail). It should fail if we create a matcher
+ // be it a capture or anything else that is then not consumed.
+ anyInt();
+ checkForProgrammingErrorsDuringTearDown();
+ }
+
+ @ShouldThrow(IllegalArgumentException.class)
+ public void testCantPassNullToVerifyCount() {
+ verify(mFoo, null).aBoolean();
+ }
+
+ public void testInjectionInNestedClasses() throws Exception {
+ class Outer {
+ @Mock protected Foo outerMock;
+ }
+ class Inner extends Outer {
+ @Mock protected Foo innerMock;
+ }
+ Inner inner = new Inner();
+ assertNull(inner.innerMock);
+ assertNull(inner.outerMock);
+ initMocks(inner);
+ assertNotNull(inner.innerMock);
+ assertNotNull(inner.outerMock);
+ }
+
+ public void testIsA_Succeeds() {
+ mFoo.takesObject(new Object());
+ verify(mFoo).takesObject(isA(Object.class));
+ }
+
+ public void testIsA_WithSubclass() {
+ mFoo.takesObject("hello");
+ verify(mFoo).takesObject(isA(Object.class));
+ verify(mFoo).takesObject(isA(String.class));
+ }
+
+ @ShouldThrow(AssertionError.class)
+ public void testIsA_FailsWithSuperclass() {
+ mFoo.takesObject(new Object());
+ verify(mFoo).takesObject(isA(String.class));
+ }
+
+ public void testIsA_WillAcceptNull() {
+ mFoo.takesObject(null);
+ verify(mFoo).takesObject(isA(Object.class));
+ verify(mFoo).takesObject(isA(String.class));
+ }
+
+ public void testIsA_MatchSubtype() {
+ mFoo.takesBar(mBarSubtype);
+ verify(mFoo).takesBar(isA(BarSubtype.class));
+ }
+
+ @ShouldThrow(AssertionError.class)
+ public void testIsA_MatchSubtypeFailed() {
+ mFoo.takesBar(mBar);
+ verify(mFoo).takesBar(isA(BarSubtype.class));
+ }
+
+ @ShouldThrow(value = AssertionError.class,
+ messages = {"cannot verify call to", "boolean java.lang.Object.equals(java.lang.Object)"})
+ public void testVerifyEquals_ShouldFail() {
+ mFoo.equals(null);
+ verify(mFoo).equals(null);
+ }
+
+ @ShouldThrow(value = AssertionError.class,
+ messages = {"cannot verify call to", "int java.lang.Object.hashCode()"})
+ public void testVerifyHashCode_ShouldFail() {
+ mFoo.hashCode();
+ verify(mFoo).hashCode();
+ }
+
+ @ShouldThrow(value = AssertionError.class,
+ messages = {"cannot verify call to", "java.lang.String java.lang.Object.toString()"})
+ public void testVerifyToString_ShouldFail() {
+ mFoo.toString();
+ verify(mFoo).toString();
+ }
+
+ @ShouldThrow(value = AssertionError.class,
+ messages = {"cannot stub call to", "boolean java.lang.Object.equals(java.lang.Object)"})
+ public void testStubEquals_ShouldFail() {
+ doReturn(false).when(mFoo).equals(null);
+ }
+
+ @ShouldThrow(value = AssertionError.class,
+ messages = {"cannot stub call to", "int java.lang.Object.hashCode()"})
+ public void testStubHashCode_ShouldFail() {
+ doReturn(0).when(mFoo).hashCode();
+ }
+
+ @ShouldThrow(value = AssertionError.class,
+ messages = {"cannot stub call to", "java.lang.String java.lang.Object.toString()"})
+ public void testStubToString_ShouldFail() {
+ doReturn("party").when(mFoo).toString();
+ }
+
+ public void testEqualsMethod_DoesntCountAsInteraction() {
+ mFoo.takesBar(mBar);
+ verify(mFoo).takesBar(mBar);
+ verifyNoMoreInteractions(mBar);
+ }
+
+ public void testHashCodeMethod_DoesntCountAsInteraction() {
+ mFoo.hashCode();
+ verifyNoMoreInteractions(mFoo);
+ }
+
+ public void testToStringMethod_DoesntCountAsInteraction() {
+ mFoo.toString();
+ verifyNoMoreInteractions(mFoo);
+ }
+
+ public void testEquals_OnMock() {
+ assertTrue(mFoo.equals(mFoo));
+ }
+
+ public void testHashCode_OnMock() {
+ // The hashCode() is checked against zero, the default int value, to make sure it is actually
+ // being treated differently.
+ // It is possible for a hashCode() to be zero, but very unlikely.
+ assertNotSame(0, mFoo.hashCode());
+ }
+
+ public void testToString_OnMock() {
+ assertTrue(mFoo.toString().contains(Foo.class.getName()));
+ }
+
+ public void testErrorMessages_NoArgMethodAndNoInteractions() {
+ /* I would like the error message to look like this:
+ * Expected exactly 2 calls to:
+ * mFoo.aBoolean()
+ * at the.line.where.the.verify.happened:xxx
+ *
+ * No method calls happened to this mock
+ */
+ int verifyLineNumber = 0;
+ try {
+ verifyLineNumber = getNextLineNumber();
+ verify(mFoo, times(2)).aBoolean();
+ fail("Should have thrown an assertion error");
+ } catch (AssertionError e) {
+ // Good, verify that the message is exactly as expected.
+ String expectedMessage =
+ "\nExpected exactly 2 calls to:\n"
+ + " mFoo.aBoolean()\n"
+ + " at " + singleLineStackTrace(verifyLineNumber) + "\n"
+ + "\n"
+ + "No method calls happened to this mock\n";
+ assertEquals(expectedMessage, e.getMessage());
+ }
+ }
+
+ public void testErrorMessages_SomeArgsMethodAndSomeInteractions() {
+ /* I would like the error message to look like this:
+ * Expected exactly 1 call to:
+ * mFoo.add(String)
+ * at the.line.where.the.verify.happened:xxx
+ *
+ * Method calls that did happen:
+ * mFoo.aByte()
+ * at the.line.where.the.byte.happened:xxx
+ * mFoo.findByBoolean(boolean)
+ * at the line.where.the.boolean.happened:xxx
+ */
+ int aByteLineNumber = 0;
+ int findByBooleanLineNumber = 0;
+ int verifyLineNumber = 0;
+ try {
+ aByteLineNumber = getNextLineNumber();
+ mFoo.aByte();
+ findByBooleanLineNumber = getNextLineNumber();
+ mFoo.findByBoolean(true);
+ verifyLineNumber = getNextLineNumber();
+ verify(mFoo).add("jim");
+ fail("Should have thrown an assertion error");
+ } catch (AssertionError e) {
+ // Good, verify that the message is exactly as expected.
+ String expectedMessage =
+ "\nExpected exactly 1 call to:\n"
+ + " mFoo.add(String)\n"
+ + " at " + singleLineStackTrace(verifyLineNumber) + "\n"
+ + "\n"
+ + "Method calls that did happen:\n"
+ + " mFoo.aByte()\n"
+ + " at " + singleLineStackTrace(aByteLineNumber) + "\n"
+ + " mFoo.findByBoolean(boolean)\n"
+ + " at " + singleLineStackTrace(findByBooleanLineNumber) + "\n";
+ assertEquals(expectedMessage, e.getMessage());
+ }
+ }
+
+ public void testErrorMessage_DoReturnExplainsWhatWentWrong() {
+ /* I would like the error message to look like this:
+ * Can't return Long from stub for:
+ * (int) mFoo.anInt()
+ * at the.line.where.the.assignment.happened:xxx
+ */
+ int lineNumber = 0;
+ try {
+ lineNumber = getNextLineNumber();
+ doReturn(10L).when(mFoo).anInt();
+ fail("Should have thrown an IllegalArgumentException");
+ } catch (IllegalArgumentException e) {
+ // Good, expected, verify the message.
+ String expectedMessage =
+ "\nCan't return Long from stub for:\n"
+ + " (int) mFoo.anInt()\n"
+ + " at " + singleLineStackTrace(lineNumber) + "\n";
+ assertEquals(expectedMessage, e.getMessage());
+ }
+ }
+
+ public void testErrorMessage_DoReturnAlsoHasGoodErrorMessageForVoidMethods() {
+ /* I would like the error message to look like this:
+ * Can't return String from stub for:
+ * (void) mFoo.add(String)
+ * at the.line.where.the.assignment.happened:xxx
+ */
+ int lineNumber = 0;
+ try {
+ lineNumber = getNextLineNumber();
+ doReturn("hello").when(mFoo).add("jim");
+ fail("Should have thrown an IllegalArgumentException");
+ } catch (IllegalArgumentException e) {
+ // Good, expected, verify the message.
+ String expectedMessage =
+ "\nCan't return String from stub for:\n"
+ + " (void) mFoo.add(String)\n"
+ + " at " + singleLineStackTrace(lineNumber) + "\n";
+ assertEquals(expectedMessage, e.getMessage());
+ }
+ }
+
+ @ShouldThrow(IllegalArgumentException.class)
+ public void testDoReturn_ThisShouldFailSinceDoubleIsNotAString() {
+ doReturn("hello").when(mFoo).aDouble();
+ }
+
+ public void testDoReturn_ThisShouldPassSinceStringCanBeReturnedFromObjectMethod() {
+ doReturn("hello").when(mFoo).anObject();
+ }
+
+ @ShouldThrow(IllegalArgumentException.class)
+ public void testDoReturn_ThisShouldFailSinceObjectCantBeReturnedFromString() {
+ doReturn(new Object()).when(mFoo).aString();
+ }
+
+ @ShouldThrow(IllegalArgumentException.class)
+ public void testDoReturn_ThisShouldFailSinceBarIsNotSubtypeOfBarSubtype() {
+ doReturn(mBar).when(mFoo).aBarSubtype();
+ }
+
+ public void testDoReturn_ThisShouldPassSinceBarSubTypeIsABar() {
+ doReturn(mBarSubtype).when(mFoo).aBar();
+ }
+
+ // TODO(hugohudson): 7. Should fix this.
+// @ShouldThrow(IllegalArgumentException.class)
+ public void testDoReturn_ThisShouldFailBecauseNullIsNotAByte() {
+ doReturn(null).when(mFoo).aByte();
+ }
+
+ // TODO(hugohudson): 7. Should fix this.
+ // Once we fix the previous test we won't need this one.
+ // I'm just demonstrating that currently this fails with NPE at use-time not at stub-time.
+ @ShouldThrow(NullPointerException.class)
+ public void testDoReturn_ThisShouldFailBecauseNullIsNotAByte2() {
+ doReturn(null).when(mFoo).aByte();
+ mFoo.aByte();
+ }
+
+ public void testDoReturn_ThisShouldPassSinceNullIsAnObject() {
+ doReturn(null).when(mFoo).anObject();
+ }
+
+ // TODO(hugohudson): 7. Should fix this.
+ // At present we aren't catching this, and would have difficulty doing so since we don't know
+ // the type of the callable.
+// @ShouldThrow(IllegalArgumentException.class)
+ public void testDoAnswer_ThisShouldFailSinceStringIsNotAByte() {
+ doAnswer(new Callable<String>() {
+ @Override public String call() throws Exception { return "hi"; }
+ }).when(mFoo).aByte();
+ }
+
+ // TODO(hugohudson): 7. Should fix this to give proper message.
+ // We could at least give a good message saying why you get failure - saying that your string
+ // is not a byte, and pointing to where you stubbed it.
+ @ShouldThrow(ClassCastException.class)
+ public void testDoAnswer_ThisShouldFailSinceStringIsNotAByte2() {
+ doAnswer(new Callable<String>() {
+ @Override public String call() throws Exception { return "hi"; }
+ }).when(mFoo).aByte();
+ mFoo.aByte();
+ }
+
+ @ShouldThrow(value = IllegalArgumentException.class,
+ messages = { " (Bar) mFoo.aBar()" })
+ public void testDoAnswer_ShouldHaveSimpleNameOnReturnValue() {
+ doReturn("hi").when(mFoo).aBar();
+ }
+
+ @ShouldThrow(IllegalArgumentException.class)
+ public void testCantCreateMockOfNullType() {
+ mock(null);
+ }
+
+ @ShouldThrow(value = AssertionError.class,
+ messages = { "Expected exactly 1 call to:", "onClickListener.onClick(Bar)" })
+ public void testCreateMockWithNullFieldName() {
+ OnClickListener mockClickListener = mock(OnClickListener.class);
+ verify(mockClickListener).onClick(null);
+ }
+
+ public void testDoubleVerifyNoProblems() {
+ // Reusing a mock after a verify should be fine.
+ // There was a bug with this, let's check it doesn't regress.
+ mFoo.aBar();
+ verify(mFoo).aBar();
+
+ mFoo.aByte();
+ verify(mFoo).aByte();
+ }
+
+ // TODO(hugohudson): 5. Every @ShouldThrow method should be improved by adding test for the
+ // content of the error message. First augment the annotation to take a String which must
+ // form a substring of the getMessage() for the Exception, then check that the exceptions
+ // thrown are as informative as possible.
+
+ // TODO(hugohudson): 5. Add InOrder class, so that we can check that the given methods on
+ // the given mocks happen in the right order. It will be pretty easy to do. The syntax
+ // looks like this:
+ // InOrder inOrder = inOrder(firstMock, secondMock);
+ // inOrder.verify(firstMock).firstMethod();
+ // inOrder.verify(secondMock).secondMethod();
+ // This allows us to verify that the calls happened in the desired order.
+ // By far the simplest way to do this is have a static AtomicInteger on the class which
+ // indicates exactly when every method call happened, and then just compare order based on
+ // that.
+
+ // TODO(hugohudson): 5. Make the doReturn() method take variable arguments.
+ // The syntax is:
+ // doReturn(1, 2, 3).when(mFoo).anInt();
+ // And of course means that the method returns 1 the first time, 2, the second and 3 the third.
+ // Note that this doesn't imply verification, and I presume that the 3 is always returned for
+ // the 4th and subsequent times.
+
+ // TODO(hugohudson): 6. Could also offer a nicer syntax for multiple returns like this:
+ // How about doReturn().thenThrow().thenReturn().when(mFoo).aDouble();
+
+ // TODO(hugohudson): 5. Get around to implementing Mockito's when() syntax.
+ // I don't really like it, because it means a lot more static nonsense, with yet more
+ // opportunities to shoot oneself in the foot.
+ // Plus, where's the upside in more than one way to do the same thing - it just gets confusing.
+ // But, I imagine that plenty of people who are familiar with Mockito will want this, so I
+ // probably should do it, plus there's a good argument that it allows typechecking of the
+ // method calls, so I guess we probably should. Looks like this:
+ // when(mock.foo(0)).thenReturn(1);
+ // when(mock.foo(1)).thenThrow(new RuntimeException)
+ // when(mock.foo(anyInt())).thenReturn("bar")
+ // when(mock.foo(argThat(isValid()))).thenReturn("element")
+ // when(mock.someMethod("some arg")).thenThrow(new RuntimeException()).thenReturn("foo");
+ // when(mock.someMethod("some arg")).thenReturn("one", "two", "three");
+ // when(mock.someMethod(anyString())).thenAnswer(new Answer() {
+ // @Override
+ // Object answer(InvocationOnMock invocation) {
+ // Object[] args = invocation.getArguments();
+ // Object mock = invocation.getMock();
+ // return "called with arguments: " + args;
+ // }
+ // }
+
+ // TODO(hugohudson): 6. Again we can chain things like doNothing() then doThrow() I suppose.
+ // doNothing().doThrow(new RuntimeException()).when(mock).someVoidMethod();
+
+ // TODO(hugohudson): 6. I really like the idea of implementing the Spy, which is a wrapper on
+ // a real object and delegates all calls to that real object, but allows you to intercept
+ // the ones that you want to.
+ // Sounds like it will be particularly good for testing legacy code.
+ // But also wouldn't be so much use without us being able to mock concrete classes, which I
+ // imagine is not on the cards for a while yet.
+
+ // TODO(hugohudson): 6. Could possibly look into more aliases for the common methods, so that
+ // you can do the 'given... when... assertThat...' pattern as follows:
+ // //given
+ // given(seller.askForBread()).willReturn(new Bread());
+ // //when
+ // Goods goods = shop.buyBread();
+ // //then
+ // assertThat(goods, containBread());
+
+ // TODO(hugohudson): 6. How about timeouts that are mentioned in Mockito docs?
+ // Sounds like a good idea. Would look like this:
+ // verify(mFoo, within(50).milliseconds()).get(0);
+
+ // TODO(hugohudson): 6. Consider bringing back in the async code I wrote for the AndroidMock
+ // framework so that you can expect to wait for the method call.
+ // Although obviously we're more keen on encouraging people to write unit tests that don't
+ // require async behaviour in the first place.
+
+ /** Returns the line number of the line following the method call. */
+ private int getNextLineNumber() {
+ return new Exception().getStackTrace()[1].getLineNumber() + 1;
+ }
+
+ /** Returns a string like: "com.google.foo.TestFoo.testMethod(TestFoo:50)" */
+ private String singleLineStackTrace(int lineNumber) {
+ return getClass().getName() + "." + getName() + "(" + getClass().getSimpleName() +
+ ".java:" + lineNumber + ")";
+ }
+
+ /** Simple callable that invokes the callback captured in the callback member variable. */
+ private class CallCapturedCallbackCallable implements Callable<Object> {
+ @Override
+ public Object call() {
+ mCaptureCallback.getValue().callMeNow();
+ return null;
+ }
+ }
+
+ private Foo createNotARealMock() {
+ InvocationHandler handler = new InvocationHandler() {
+ @Override
+ public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
+ return null;
+ }
+ };
+ Foo notARealMock = (Foo) Proxy.newProxyInstance(
+ getClass().getClassLoader(), new Class<?>[]{ Foo.class }, handler);
+ assertNotNull(notARealMock);
+ return notARealMock;
+ }
+
+ private static Callback createNoOpCallback() {
+ return new Callback() {
+ @Override
+ public void callMeNow() {
+ }
+ };
+ }
+}