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Diffstat (limited to 'tests/com/google/testing/littlemock/LittleMockTest.java')
| -rw-r--r-- | tests/com/google/testing/littlemock/LittleMockTest.java | 1684 |
1 files changed, 0 insertions, 1684 deletions
diff --git a/tests/com/google/testing/littlemock/LittleMockTest.java b/tests/com/google/testing/littlemock/LittleMockTest.java deleted file mode 100644 index e7f9bca..0000000 --- a/tests/com/google/testing/littlemock/LittleMockTest.java +++ /dev/null @@ -1,1684 +0,0 @@ -/* - * 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.inOrder; -import static com.google.testing.littlemock.LittleMock.initMocks; -import static com.google.testing.littlemock.LittleMock.isA; -import static com.google.testing.littlemock.LittleMock.matches; -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.timeout; -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 com.google.testing.littlemock.LittleMock.ArgumentMatcher; -import com.google.testing.littlemock.LittleMock.InOrder; - -import junit.framework.TestCase; - -import java.io.IOException; -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; -import java.util.concurrent.CancellationException; -import java.util.concurrent.CountDownLatch; -import java.util.concurrent.ExecutionException; -import java.util.concurrent.ExecutorService; -import java.util.concurrent.Executors; -import java.util.concurrent.Future; - -/** - * Unit tests for the LittleMock class. - * - * @author hugohudson@gmail.com (Hugo Hudson) - */ -public class LittleMockTest extends TestCase { - @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; - private ExecutorService mExecutorService; - - @Override - protected void setUp() throws Exception { - super.setUp(); - LittleMock.initMocks(this); - mExecutorService = Executors.newCachedThreadPool(); - } - - @Override - protected void tearDown() throws Exception { - mExecutorService.shutdown(); - super.tearDown(); - } - - /** 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()); - } - - public void testVerify_FailsIfNotDoneOnAProxy() { - try { - verify("hello").contains("something"); - fail(); - } catch (IllegalArgumentException expected) {} - } - - public void testVerify_FailsIfNotCreatedByOurMockMethod() { - try { - verify(createNotARealMock()).add("something"); - fail(); - } catch (IllegalArgumentException expected) {} - } - - 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"); - } - - public void testVerify_MeansOnlyOnceSoShouldFailIfCalledTwice() { - mFoo.add("something"); - mFoo.add("something"); - try { - verify(mFoo).add("something"); - fail(); - } catch (AssertionError expected) {} - } - - public void testVerify_FailedVerification_CalledWithWrongArgument() { - mFoo.add("something else"); - try { - verify(mFoo).add("something"); - fail(); - } catch (AssertionError expected) {} - } - - public void testVerify_FailedVerification_WasNeverCalled() { - try { - verify(mFoo).add("something"); - fail(); - } catch (AssertionError expected) {} - } - - public void testVerify_TimesTwice_Succeeds() { - mFoo.add("jim"); - mFoo.add("jim"); - verify(mFoo, LittleMock.times(2)).add("jim"); - } - - public void testVerify_TimesTwice_ButThreeTimesFails() { - mFoo.add("jim"); - mFoo.add("jim"); - mFoo.add("jim"); - try { - verify(mFoo, LittleMock.times(2)).add("jim"); - fail(); - } catch (AssertionError expected) {} - } - - public void testVerify_TimesTwice_ButOnceFails() { - mFoo.add("jim"); - try { - verify(mFoo, LittleMock.times(2)).add("jim"); - fail(); - } catch (AssertionError expected) {} - } - - public void testVerify_TimesTwice_DifferentStringsFails() { - mFoo.add("jim"); - mFoo.add("bob"); - try { - verify(mFoo, LittleMock.times(2)).add("jim"); - fail(); - } catch (AssertionError expected) {} - } - - public void testVerify_TimesTwice_WorksWithAnyString() { - mFoo.add("jim"); - mFoo.add("bob"); - verify(mFoo, LittleMock.times(2)).add(anyString()); - } - - public void testVerify_TimesTwice_FailsIfJustOnceWithAnyString() { - mFoo.add("bob"); - try { - verify(mFoo, LittleMock.times(2)).add(anyString()); - fail(); - } catch (AssertionError expected) {} - } - - public void testVerify_TimesTwice_FailsIfThreeTimesWithAnyString() { - mFoo.add("bob"); - mFoo.add("jim"); - mFoo.add("james"); - try { - verify(mFoo, LittleMock.times(2)).add(anyString()); - fail(); - } catch (AssertionError expected) {} - } - - public void testVerify_Never_Succeeds() { - verify(mFoo, never()).add("jim"); - verify(mFoo, never()).anInt(); - } - - public void testVerify_Never_FailsIfWasCalled() { - mFoo.add("jim"); - try { - verify(mFoo, never()).add("jim"); - fail(); - } catch (AssertionError expected) {} - } - - 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"); - } - - public void testVerify_AtLeastOnce_FailsForNoCalls() { - try { - verify(mFoo, atLeastOnce()).add("jim"); - fail(); - } catch (AssertionError expected) {} - } - - 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"); - } - - public void testVerify_AtLeastThreeTimes_FailsForTwoCalls() { - mFoo.add("jim"); - mFoo.add("jim"); - try { - verify(mFoo, atLeast(3)).add("jim"); - fail(); - } catch (AssertionError expected) {} - } - - public void testVerify_AtMostThreeTimes_SuceedsForThreeCalls() { - mFoo.add("jim"); - mFoo.add("jim"); - mFoo.add("jim"); - verify(mFoo, atMost(3)).add("jim"); - } - - public void testVerify_AtMostThreeTimes_FailsForFiveCalls() { - mFoo.add("jim"); - mFoo.add("jim"); - mFoo.add("jim"); - mFoo.add("jim"); - mFoo.add("jim"); - try { - verify(mFoo, atMost(3)).add("jim"); - fail(); - } catch (AssertionError expected) {} - } - - 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"); - } - - public void testVerify_BetweenTwoAndFour_FailsForOneCall() { - mFoo.add("jim"); - try { - verify(mFoo, between(2, 4)).add("jim"); - fail(); - } catch (AssertionError expected) {} - } - - public void testVerify_BetweenTwoAndFour_FailsForFiveCalls() { - mFoo.add("jim"); - mFoo.add("jim"); - mFoo.add("jim"); - mFoo.add("jim"); - mFoo.add("jim"); - try { - verify(mFoo, LittleMock.between(2, 4)).add("jim"); - fail(); - } catch (AssertionError expected) {} - } - - 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)); - } - - public void testDoReturnWhen_CalledOnString() { - try { - doReturn("first").when("hello").contains("something"); - fail(); - } catch (IllegalArgumentException expected) {} - } - - public void testDoReturnWhen_CalledOnNonMock() { - try { - doReturn("first").when(createNotARealMock()).get(0); - fail(); - } catch (IllegalArgumentException expected) {} - } - - 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()); - } - - public void testDoThrow_SimpleException() { - doThrow(new RuntimeException()).when(mFoo).aDouble(); - try { - mFoo.aDouble(); - fail(); - } catch (RuntimeException expected) {} - } - - public void testDoThrow_IfItDoesntMatchItIsntThrown() { - doThrow(new RuntimeException()).when(mFoo).aDouble(); - mFoo.aChar(); - } - - public void testDoThrow_KeepsThrowingForever() { - doThrow(new RuntimeException()).when(mFoo).aDouble(); - try { - mFoo.aDouble(); - fail(); - } catch (RuntimeException expected) {} - // This second call should also throw a RuntimeException. - try { - mFoo.aDouble(); - fail(); - } catch (RuntimeException expected) {} - } - - public void testDoNothing() { - doNothing().when(mFoo).add("first"); - mFoo.add("first"); - } - - public void testVerifyZeroInteractions_PassesWhenNothingHasHappened() { - verifyZeroInteractions(mFoo); - } - - public void testVerifyZeroInteractions_FailsIfSomethingHasHappened() { - mFoo.aBoolean(); - try { - verifyZeroInteractions(mFoo); - fail(); - } catch (AssertionError expected) {} - } - - public void testVerifyZeroInteractions_HappyWithMultipleArguments() { - verifyZeroInteractions(mFoo, mBar); - } - - public void testVerifyZeroInteractions_ShouldFailEvenIfOtherInteractionsWereFirstVerified() { - mFoo.add("test"); - verify(mFoo).add("test"); - try { - verifyZeroInteractions(mFoo); - fail(); - } catch (AssertionError expected) {} - } - - 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")); - } - - public void testVerifyEq_MethodFailsIfNotEqual() { - mFoo.add("bob"); - try { - verify(mFoo).add(eq("jim")); - fail(); - } catch (AssertionError expected) {} - } - - public void testVerifyEq_MethodFailsIfJustOneIsNotEqual() { - mBar.twoStrings("first", "second"); - try { - verify(mBar).twoStrings(eq("first"), eq("third")); - fail(); - } catch (AssertionError expected) {} - } - - public void testVerifyEq_MethodFailsIfSameParamsButInWrongOrder() { - mBar.twoStrings("first", "second"); - try { - verify(mBar).twoStrings(eq("second"), eq("first")); - fail(); - } catch (AssertionError expected) {} - } - - 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 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()); - } - - public void testAnyString_ObjectValue() { - mFoo.takesObject(new Object()); - try { - verify(mFoo).takesObject(anyString()); - fail(); - } catch (AssertionError expected) {} - } - - 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); - } - - public void testReset_VerifyFailsAfterReset() { - mFoo.aByte(); - reset(mFoo); - try { - verify(mFoo).aByte(); - fail(); - } catch (AssertionError expected) {} - } - - 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"); - } - - public void testDoAction_CanThrowDeclaredException() throws Exception { - doAnswer(new Callable<Void>() { - @Override - public Void call() throws Exception { - throw new IOException("Problem"); - } - }).when(mFoo).exceptionThrower(); - try { - mFoo.exceptionThrower(); - fail(); - } catch (IOException expected) {} - } - - public void testDoAction_CanThrowUndelcaredException() { - doAnswer(new Callable<Void>() { - @Override - public Void call() throws Exception { - throw new RuntimeException("Problem"); - } - }).when(mFoo).aBoolean(); - try { - mFoo.aBoolean(); - fail(); - } catch (RuntimeException expected) {} - } - - 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); - } - - public void testVerifyNoMoreInteractions_FailsWhenOneActionWasNotVerified() { - mFoo.aBoolean(); - try { - verifyNoMoreInteractions(mFoo, mBar); - fail(); - } catch (AssertionError expected) {} - } - - public void testVerifyNoMoreInteractions_SucceedsWhenAllActionsWereVerified() { - mFoo.get(3); - mFoo.get(20); - verify(mFoo, atLeastOnce()).get(anyInt()); - verifyNoMoreInteractions(mFoo); - } - - public void testVerifyNoMoreInteractions_FailsWhenMostButNotAllActionsWereVerified() { - mFoo.get(3); - mFoo.get(20); - mFoo.aByte(); - verify(mFoo, atLeastOnce()).get(anyInt()); - try { - verifyNoMoreInteractions(mFoo); - fail(); - } catch (AssertionError expected) {} - } - - public void testVerifyNoMoreInteractions_ShouldIngoreStubbedCalls() { - doReturn("hi").when(mFoo).get(8); - mFoo.get(8); - verifyNoMoreInteractions(mFoo); - } - - public void testMatchers_WrongNumberOfMatchersOnStubbingCausesError() { - try { - doReturn("hi").when(mBar).twoStrings("jim", eq("bob")); - fail(); - } catch (IllegalArgumentException expected) {} - } - - public void testMatchers_WrongNumberOfMatchersOnVerifyCausesError() { - try { - verify(mBar).twoStrings("jim", eq("bob")); - fail(); - } catch (IllegalArgumentException expected) {} - } - - 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. - try { - verify(mFoo, anyTimes()).aBoolean(); - fail(); - } catch (IllegalStateException expected) {} - } - - public void testCreateACaptureButDontUseItShouldFailAtNextVerify_AlsoNoMoreInteractions() { - // Same result desired as in previous test. - mCaptureString.capture(); - try { - verifyNoMoreInteractions(mFoo); - fail(); - } catch (IllegalStateException expected) {} - } - - public void testCreateACaptureButDontUseItShouldFailAtNextVerify_AlsoZeroInteraction() { - mCaptureString.capture(); - try { - verifyZeroInteractions(mFoo); - fail(); - } catch (IllegalStateException expected) {} - } - - 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(); - try { - checkForProgrammingErrorsDuringTearDown(); - fail(); - } catch (IllegalStateException expected) {} - } - - public void testCantPassNullToVerifyCount() { - try { - verify(mFoo, null).aBoolean(); - fail(); - } catch (IllegalArgumentException expected) {} - } - - 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)); - } - - public void testIsA_FailsWithSuperclass() { - mFoo.takesObject(new Object()); - try { - verify(mFoo).takesObject(isA(String.class)); - fail(); - } catch (AssertionError expected) {} - } - - 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)); - } - - public void testIsA_MatchSubtypeFailed() { - mFoo.takesBar(mBar); - try { - verify(mFoo).takesBar(isA(BarSubtype.class)); - fail(); - } catch (AssertionError expected) {} - } - - public void testVerifyEquals_ShouldFail() { - mFoo.equals(null); - try { - verify(mFoo).equals(null); - fail(); - } catch (AssertionError expected) {} - } - - public void testVerifyHashCode_ShouldFail() { - mFoo.hashCode(); - try { - verify(mFoo).hashCode(); - fail(); - } catch (AssertionError expected) {} - } - - public void testVerifyToString_ShouldFail() { - mFoo.toString(); - try { - verify(mFoo).toString(); - fail(); - } catch (AssertionError expected) {} - } - - public void testStubEquals_ShouldFail() { - try { - doReturn(false).when(mFoo).equals(null); - fail(); - } catch (AssertionError expected) {} - } - - public void testStubHashCode_ShouldFail() { - try { - doReturn(0).when(mFoo).hashCode(); - fail(); - } catch (AssertionError expected) {} - } - - public void testStubToString_ShouldFail() { - try { - doReturn("party").when(mFoo).toString(); - fail(); - } catch (AssertionError expected) {} - } - - 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 on 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()); - } - } - - public void testDoReturn_ThisShouldFailSinceDoubleIsNotAString() { - try { - doReturn("hello").when(mFoo).aDouble(); - fail(); - } catch (IllegalArgumentException expected) {} - } - - public void testDoReturn_ThisShouldPassSinceStringCanBeReturnedFromObjectMethod() { - doReturn("hello").when(mFoo).anObject(); - } - - public void testDoReturn_ThisShouldFailSinceObjectCantBeReturnedFromString() { - try { - doReturn(new Object()).when(mFoo).aString(); - fail(); - } catch (IllegalArgumentException expected) {} - } - - public void testDoReturn_ThisShouldFailSinceBarIsNotSubtypeOfBarSubtype() { - try { - doReturn(mBar).when(mFoo).aBarSubtype(); - fail(); - } catch (IllegalArgumentException expected) {} - } - - 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. - public void testDoReturn_ThisShouldFailBecauseNullIsNotAByte2() { - doReturn(null).when(mFoo).aByte(); - try { - mFoo.aByte(); - fail(); - } catch (NullPointerException expected) {} - } - - 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. - public void testDoAnswer_ThisShouldFailSinceStringIsNotAByte2() { - doAnswer(new Callable<String>() { - @Override public String call() throws Exception { return "hi"; } - }).when(mFoo).aByte(); - try { - mFoo.aByte(); - fail(); - } catch (ClassCastException expected) {} - } - - public void testDoAnswer_ShouldHaveSimpleNameOnReturnValue() { - try { - doReturn("hi").when(mFoo).aBar(); - fail(); - } catch (IllegalArgumentException expected) {} - } - - public void testCantCreateMockOfNullType() { - try { - mock(null); - fail(); - } catch (IllegalArgumentException expected) {} - } - - public void testCreateMockWithNullFieldName() { - OnClickListener mockClickListener = mock(OnClickListener.class); - try { - verify(mockClickListener).onClick(null); - fail(); - } catch (AssertionError expected) {} - } - - 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(); - } - - public void testUnfinishedVerifyCaughtInTearDown_Issue5() { - verify(mFoo); - try { - checkForProgrammingErrorsDuringTearDown(); - fail(); - } catch (IllegalStateException expected) {} - } - - public void testUnfinishedWhenCaughtInTearDown_Issue5() { - doThrow(new RuntimeException()).when(mFoo); - try { - checkForProgrammingErrorsDuringTearDown(); - fail(); - } catch (IllegalStateException expected) {} - } - - public void testUnfinishedVerifyCaughtByStartingWhen_Issue5() { - verify(mFoo, never()); - try { - doReturn(null).when(mFoo).clear(); - fail(); - } catch (IllegalStateException expected) {} - } - - public void testUnfinishedWhenCaughtByStartingVerify_Issue5() { - doThrow(new RuntimeException()).when(mFoo); - try { - verify(mFoo).clear(); - fail(); - } catch (IllegalStateException expected) {} - } - - public void testSecondUnfinishedVerifyShouldFailImmediately() throws Exception { - verify(mFoo); - try { - verify(mFoo); - fail(); - } catch (IllegalStateException expected) {} - } - - public void testSecondUnfinishedWhenShouldFailImmediately() throws Exception { - doReturn(null).when(mFoo); - try { - doReturn(null).when(mFoo); - fail(); - } catch (IllegalStateException expected) {} - } - - public void testVerifyWithTimeout_SuccessCase() throws Exception { - CountDownLatch countDownLatch = new CountDownLatch(1); - invokeBarMethodAfterLatchAwait(countDownLatch); - doReturn(null).when(mFoo).aBar(); - verify(mFoo, never()).aBar(); - countDownLatch.countDown(); - verify(mFoo, timeout(100)).aBar(); - } - - public void testVerifyWithTimeout_FailureCase() throws Exception { - long start = System.currentTimeMillis(); - try { - verify(mFoo, timeout(10)).aBar(); - fail(); - } catch (AssertionError expected) {} - long duration = System.currentTimeMillis() - start; - assertTrue(duration > 5); - } - - public void testVerifyWithTimeoutMultipleInvocations_SuccessCase() throws Exception { - CountDownLatch countDownLatch = new CountDownLatch(1); - invokeBarMethodAfterLatchAwait(countDownLatch); - invokeBarMethodAfterLatchAwait(countDownLatch); - doReturn(null).when(mFoo).aBar(); - verify(mFoo, never()).aBar(); - countDownLatch.countDown(); - verify(mFoo, timeout(100).times(2)).aBar(); - verify(mFoo, timeout(100).atLeast(2)).aBar(); - verify(mFoo, timeout(100).between(2, 4)).aBar(); - verify(mFoo, timeout(100).atLeastOnce()).aBar(); - } - - public void testVerifyWithTimeoutMultipleInvocations_FailureCase() throws Exception { - long start = System.currentTimeMillis(); - mFoo.aBar(); - try { - verify(mFoo, timeout(10).between(2, 3)).aBar(); - fail(); - } catch (AssertionError expected) {} - long duration = System.currentTimeMillis() - start; - assertTrue(duration > 5); - - } - - public void testConcurrentModificationExceptions() throws Exception { - // This test concurrently stubs, verifies, and uses a mock. - // It used to totally reproducibly throw a ConcurrentModificationException. - Future<?> task1 = mExecutorService.submit(new Runnable() { - @Override - public void run() { - while (!Thread.currentThread().isInterrupted()) { - mFoo.aBar(); - Thread.yield(); - } - } - }); - Future<?> task2 = mExecutorService.submit(new Runnable() { - @Override - public void run() { - while (!Thread.currentThread().isInterrupted()) { - verify(mFoo, anyTimes()).aBar(); - Thread.yield(); - } - } - }); - Thread.sleep(20); - task1.cancel(true); - task2.cancel(true); - try { - task1.get(); - fail(); - } catch (CancellationException expected) {} - try { - task2.get(); - fail(); - } catch (CancellationException expected) {} - } - - public void testCannotVerifyFromSecondThreadAfterStubbingInFirst() throws Exception { - doReturn(null).when(mFoo).aBar(); - Future<?> submit = mExecutorService.submit(new Runnable() { - @Override - public void run() { - verify(mFoo, anyTimes()).aBar(); - } - }); - try { - submit.get(); - fail(); - } catch (ExecutionException expected) { - assertTrue(expected.getCause() instanceof IllegalStateException); - } - } - - public void testCannotStubFromSecondThreadAfterVerifyingInFirst() throws Exception { - mExecutorService.submit(new Runnable() { - @Override - public void run() { - verify(mFoo, anyTimes()).aBar(); - } - }).get(); - try { - doReturn(null).when(mFoo).aBar(); - fail(); - } catch (IllegalStateException expected) {} - } - - public void testCustomMatcher() { - ArgumentMatcher argumentMatcher = new ArgumentMatcher() { - @Override - public boolean matches(Object value) { - return ((String) value).contains("[]"); - } - }; - mFoo.add("as[]df"); - mFoo.add("qwer[]asdf"); - mFoo.add("1234"); - verify(mFoo, times(3)).add(anyString()); - verify(mFoo, times(2)).add((String) matches(argumentMatcher)); - } - - public void testInorderExample_Success() { - @SuppressWarnings("unchecked") - List<String> firstMock = mock(List.class); - @SuppressWarnings("unchecked") - List<String> secondMock = mock(List.class); - firstMock.add("was called first"); - secondMock.add("was called second"); - InOrder inOrder = inOrder(firstMock, secondMock); - inOrder.verify(firstMock).add("was called first"); - inOrder.verify(secondMock).add("was called second"); - } - - public void testInorderExample_Failure() { - @SuppressWarnings("unchecked") - List<String> firstMock = mock(List.class); - @SuppressWarnings("unchecked") - List<String> secondMock = mock(List.class); - firstMock.add("was called first"); - secondMock.add("was called second"); - InOrder inOrder = inOrder(firstMock, secondMock); - inOrder.verify(secondMock).add("was called second"); - try { - inOrder.verify(firstMock).add("was called first"); - throw new IllegalStateException(); - } catch (AssertionError expected) {} - } - - public void testInorderInterleave() { - @SuppressWarnings("unchecked") - List<String> firstMock = mock(List.class); - firstMock.add("a"); - firstMock.add("b"); - firstMock.add("a"); - - // Should be fine to verify a then b, since they happened in that order. - InOrder inOrder = inOrder(firstMock); - inOrder.verify(firstMock).add("a"); - inOrder.verify(firstMock).add("b"); - - // Should also be fine to inorder verify the other way around, they happened in that order too. - inOrder = inOrder(firstMock); - inOrder.verify(firstMock).add("b"); - inOrder.verify(firstMock).add("a"); - - // Should be fine to verify "a, b, a" since that too happened. - inOrder = inOrder(firstMock); - inOrder.verify(firstMock).add("a"); - inOrder.verify(firstMock).add("b"); - inOrder.verify(firstMock).add("a"); - - // "a, a, b" did not happen. - inOrder = inOrder(firstMock); - inOrder.verify(firstMock).add("a"); - inOrder.verify(firstMock).add("a"); - try { - inOrder.verify(firstMock).add("b"); - throw new IllegalStateException(); - } catch (AssertionError expected) {} - - // "b, a, b" did not happen. - inOrder = inOrder(firstMock); - inOrder.verify(firstMock).add("b"); - inOrder.verify(firstMock).add("a"); - try { - inOrder.verify(firstMock).add("b"); - throw new IllegalStateException(); - } catch (AssertionError expected) {} - - // "b" did not happen twice. - inOrder = inOrder(firstMock); - inOrder.verify(firstMock).add("b"); - try { - inOrder.verify(firstMock).add("b"); - throw new IllegalStateException(); - } catch (AssertionError expected) {} - } - - public void testInorderComplicatedExample() { - // TODO: I'm currently totally ignoring the parameters passed to the inorder method. - // I don't understand what the point of them is, anyway. - @SuppressWarnings("unchecked") - List<String> firstMock = mock(List.class); - @SuppressWarnings("unchecked") - List<String> secondMock = mock(List.class); - - firstMock.add("1"); - secondMock.add("2"); - firstMock.add("3"); - secondMock.add("4"); - - InOrder allInOrder = inOrder(firstMock, secondMock); - allInOrder.verify(firstMock).add("1"); - allInOrder.verify(secondMock).add("2"); - allInOrder.verify(firstMock).add("3"); - allInOrder.verify(secondMock).add("4"); - - InOrder firstInOrder = inOrder(firstMock, secondMock); - firstInOrder.verify(firstMock).add("1"); - firstInOrder.verify(firstMock).add("3"); - try { - firstInOrder.verify(secondMock).add("2"); - throw new IllegalStateException(); - } catch (AssertionError expected) {} - firstInOrder.verify(secondMock).add("4"); - - InOrder secondInOrder = inOrder(firstMock, secondMock); - secondInOrder.verify(secondMock).add("2"); - secondInOrder.verify(secondMock).add("4"); - try { - secondInOrder.verify(firstMock).add("1"); - throw new IllegalStateException(); - } catch (AssertionError expected) {} - try { - secondInOrder.verify(firstMock).add("3"); - throw new IllegalStateException(); - } catch (AssertionError expected) {} - } - - public static class Jim { - public int bob() { - fail(); - return 3; - } - } - - // Does not work on JVM, android only. - public void testMockingConcreteClasses() throws Exception { - Jim mock = mock(Jim.class); - assertEquals(0, mock.bob()); - doReturn(8).when(mock).bob(); - assertEquals(8, mock.bob()); - } - - private Future<Void> invokeBarMethodAfterLatchAwait(final CountDownLatch countDownLatch) { - return mExecutorService.submit(new Callable<Void>() { - @Override - public Void call() throws Exception { - countDownLatch.await(); - mFoo.aBar(); - return null; - } - }); - } - - // TODO(hugohudson): 5. Every method that throws exceptions could be improved by adding - // test for the content of the error message. - - // 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: All unfinished verify and when statements should have sensible error messages telling - // you where the unfinished statement comes from. - - /** 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() { - } - }; - } - - private static <T> List<T> newList(T... things) { - ArrayList<T> list = new ArrayList<T>(); - for (T thing : things) { - list.add(thing); - } - return list; - } -} |