@Test
public void shouldRemoveStubbingToString() throws Exception {
IMethods mockTwo = mock(IMethods.class);
when(mockTwo.toString()).thenReturn("test");
reset(mockTwo);
assertContains("Mock for IMethods", mockTwo.toString());
}
@Test
public void shouldResetMultipleMocks() {
mock.simpleMethod();
mockTwo.simpleMethod();
reset(mock, mockTwo);
verifyNoMoreInteractions(mock, mockTwo);
}
@Test
public void shouldUseCustomObjectMatcher() {
when(mock.oneArg(argThat(new ContainsFoo()))).thenReturn("foo");
assertEquals("foo", mock.oneArg("foo"));
assertEquals(null, mock.oneArg("bar"));
}
@Test
public void shouldUseCustomCharMatcher() {
when(mock.oneArg(charThat(new IsSorZ()))).thenReturn("foo");
assertEquals("foo", mock.oneArg('s'));
assertEquals("foo", mock.oneArg('z'));
assertEquals(null, mock.oneArg('x'));
}
@Test
public void shouldRemoveAllStubbing() throws Exception {
when(mock.objectReturningMethod(isA(Integer.class))).thenReturn(100);
when(mock.objectReturningMethod(200)).thenReturn(200);
reset(mock);
assertNull(mock.objectReturningMethod(200));
assertEquals("default behavior should return null", null, mock.objectReturningMethod("blah"));
}
@Test
public void shouldUseCustomBooleanMatcher() {
when(mock.oneArg(booleanThat(new IsAnyBoolean()))).thenReturn("foo");
assertEquals("foo", mock.oneArg(true));
assertEquals("foo", mock.oneArg(false));
assertEquals(null, mock.oneArg("x"));
}
@Test
public void shouldGetAllInvocationsInOrder() throws Exception {
mockOne.simpleMethod(100);
mockTwo.simpleMethod(200);
mockOne.simpleMethod(300);
List<Invocation> invocations = finder.find(asList(mockOne, mockTwo));
assertEquals(3, invocations.size());
assertArgumentEquals(100, invocations.get(0));
assertArgumentEquals(200, invocations.get(1));
assertArgumentEquals(300, invocations.get(2));
}
@Test
public void shouldReadConfigurationClassFromClassPath() {
ConfigurationAccess.getConfig()
.overrideDefaultAnswer(
new Answer<Object>() {
public Object answer(InvocationOnMock invocation) {
return "foo";
}
});
IMethods mock = mock(IMethods.class);
assertEquals("foo", mock.simpleMethod());
}
@Test
public void shouldStubbingNotBeTreatedAsInteraction() {
when(mock.simpleMethod("one")).thenThrow(new RuntimeException());
doThrow(new RuntimeException()).when(mock).simpleMethod("two");
reset(mock);
verifyZeroInteractions(mock);
}
@Test
public void shouldNotCountDuplicatedInteractions() throws Exception {
mockOne.simpleMethod(100);
List<Invocation> invocations = finder.find(asList(mockOne, mockOne, mockOne));
assertEquals(1, invocations.size());
}
@Test
public void shouldMaintainPreviousDefaultAnswer() {
// given
mock = mock(IMethods.class, RETURNS_MOCKS);
// when
reset(mock);
// then
assertNotNull(mock.iMethodsReturningMethod());
}
@Test
public void shouldResetOngoingStubbingSoThatMoreMeaningfulExceptionsAreRaised() {
mock(IMethods.class);
mock.booleanReturningMethod();
reset(mock);
try {
when(null).thenReturn("anything");
fail();
} catch (MissingMethodInvocationException e) {
}
}
@Test
public void shouldCustomMatcherPrintDescriptionBasedOnName() {
mock.simpleMethod("foo");
try {
verify(mock).simpleMethod(containsTest());
fail();
} catch (AssertionError e) {
assertThat(e).hasMessageContaining("<String that contains xxx>");
}
}
@Test
public void shouldAnonymousCustomMatcherPrintDefaultDescription() {
mock.simpleMethod("foo");
try {
verify(mock)
.simpleMethod(
(String)
argThat(
new ArgumentMatcher<Object>() {
public boolean matches(Object argument) {
return false;
}
}));
fail();
} catch (AssertionError e) {
assertThat(e).hasMessageContaining("<custom argument matcher>").hasMessageContaining("foo");
}
}
@Test
public void testInjectMocks() throws Exception {
when(mock.simpleMethod(1)).thenReturn("1");
mock.simpleMethod(2);
}
@Test(expected = NotAMockException.class)
public void shouldScreamWhenWholeMethodPassedToVerifyNoMoreInteractions() {
verifyNoMoreInteractions(mock.byteReturningMethod());
}
@Test(expected = NotAMockException.class)
public void shouldScreamWhenWholeMethodPassedToVerify() {
verify(mock.booleanReturningMethod());
}
@Test
public void shouldUseCustomPrimitiveNumberMatchers() {
when(mock.oneArg(byteThat(new IsZeroOrOne<Byte>()))).thenReturn("byte");
when(mock.oneArg(shortThat(new IsZeroOrOne<Short>()))).thenReturn("short");
when(mock.oneArg(intThat(new IsZeroOrOne<Integer>()))).thenReturn("int");
when(mock.oneArg(longThat(new IsZeroOrOne<Long>()))).thenReturn("long");
when(mock.oneArg(floatThat(new IsZeroOrOne<Float>()))).thenReturn("float");
when(mock.oneArg(doubleThat(new IsZeroOrOne<Double>()))).thenReturn("double");
assertEquals("byte", mock.oneArg((byte) 0));
assertEquals("short", mock.oneArg((short) 1));
assertEquals("int", mock.oneArg(0));
assertEquals("long", mock.oneArg(1L));
assertEquals("float", mock.oneArg(0F));
assertEquals("double", mock.oneArg(1.0));
assertEquals(null, mock.oneArg(2));
assertEquals(null, mock.oneArg("foo"));
}
@Test
public void shouldRemoveAllInteractions() throws Exception {
mock.simpleMethod(1);
reset(mock);
verifyZeroInteractions(mock);
}
