Пример #1
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func createFixtures(t *testing.T) (reporter *ErrorReporter, ctrl *gomock.Controller) {
	// reporter acts as a testing.T-like object that we pass to the
	// Controller. We use it to test that the mock considered tests
	// successful or failed.
	reporter = NewErrorReporter(t)
	ctrl = gomock.NewController(reporter)
	return
}
Пример #2
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func TestExpectTrueNil(t *testing.T) {
	// Make sure that passing "nil" to EXPECT (thus as a nil interface value),
	// will correctly match a nil concrete type.
	ctrl := gomock.NewController(t)
	defer ctrl.Finish()

	mockIndex := mock_user.NewMockIndex(ctrl)
	mockIndex.EXPECT().Ptr(nil) // this nil is a nil interface{}
	mockIndex.Ptr(nil)          // this nil is a nil *int
}
Пример #3
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func TestPanicOverridesExpectationChecks(t *testing.T) {
	ctrl := gomock.NewController(t)
	reporter := NewErrorReporter(t)

	reporter.assertFatal(func() {
		ctrl.RecordCall(new(Subject), "FooMethod", "1")
		defer ctrl.Finish()
		reporter.Fatalf("Intentional panic")
	})
}
Пример #4
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func TestGrabPointer(t *testing.T) {
	ctrl := gomock.NewController(t)
	defer ctrl.Finish()

	mockIndex := mock_user.NewMockIndex(ctrl)
	mockIndex.EXPECT().Ptr(gomock.Any()).SetArg(0, 7) // set first argument to 7

	i := user.GrabPointer(mockIndex)
	if i != 7 {
		t.Errorf("Expected 7, got %d", i)
	}
}
Пример #5
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func TestRemember(t *testing.T) {
	ctrl := gomock.NewController(t)
	defer ctrl.Finish()

	mockIndex := mock_user.NewMockIndex(ctrl)
	mockIndex.EXPECT().Put("a", 1)            // literals work
	mockIndex.EXPECT().Put("b", gomock.Eq(2)) // matchers work too

	// NillableRet returns error. Not declaring it should result in a nil return.
	mockIndex.EXPECT().NillableRet()
	// Calls that returns something assignable to the return type.
	boolc := make(chan bool)
	// In this case, "chan bool" is assignable to "chan<- bool".
	mockIndex.EXPECT().ConcreteRet().Return(boolc)
	// In this case, nil is assignable to "chan<- bool".
	mockIndex.EXPECT().ConcreteRet().Return(nil)

	// Should be able to place expectations on variadic methods.
	mockIndex.EXPECT().Ellip("%d", 0, 1, 1, 2, 3) // direct args
	tri := []interface{}{1, 3, 6, 10, 15}
	mockIndex.EXPECT().Ellip("%d", tri...) // args from slice
	mockIndex.EXPECT().EllipOnly(gomock.Eq("arg"))

	user.Remember(mockIndex, []string{"a", "b"}, []interface{}{1, 2})
	// Check the ConcreteRet calls.
	if c := mockIndex.ConcreteRet(); c != boolc {
		t.Errorf("ConcreteRet: got %v, want %v", c, boolc)
	}
	if c := mockIndex.ConcreteRet(); c != nil {
		t.Errorf("ConcreteRet: got %v, want nil", c)
	}

	// Try one with an action.
	calledString := ""
	mockIndex.EXPECT().Put(gomock.Any(), gomock.Any()).Do(func(key string, _ interface{}) {
		calledString = key
	})
	mockIndex.EXPECT().NillableRet()
	user.Remember(mockIndex, []string{"blah"}, []interface{}{7})
	if calledString != "blah" {
		t.Fatalf(`Uh oh. %q != "blah"`, calledString)
	}

	// Use Do with a nil arg.
	mockIndex.EXPECT().Put("nil-key", gomock.Any()).Do(func(key string, value interface{}) {
		if value != nil {
			t.Errorf("Put did not pass through nil; got %v", value)
		}
	})
	mockIndex.EXPECT().NillableRet()
	user.Remember(mockIndex, []string{"nil-key"}, []interface{}{nil})
}
Пример #6
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func TestEmbeddedInterface(t *testing.T) {
	ctrl := gomock.NewController(t)
	defer ctrl.Finish()

	mockEmbed := mock_user.NewMockEmbed(ctrl)
	mockEmbed.EXPECT().RegularMethod()
	mockEmbed.EXPECT().EmbeddedMethod()
	mockEmbed.EXPECT().ForeignEmbeddedMethod()

	mockEmbed.RegularMethod()
	mockEmbed.EmbeddedMethod()
	var emb imp1.ForeignEmbedded = mockEmbed // also does interface check
	emb.ForeignEmbeddedMethod()
}
Пример #7
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// A more thorough test of notMatcher
func TestNotMatcher(t *testing.T) {
	ctrl := gomock.NewController(t)
	defer ctrl.Finish()

	mockMatcher := mock_matcher.NewMockMatcher(ctrl)
	notMatcher := gomock.Not(mockMatcher)

	mockMatcher.EXPECT().Matches(4).Return(true)
	if match := notMatcher.Matches(4); match {
		t.Errorf("notMatcher should not match 4")
	}

	mockMatcher.EXPECT().Matches(5).Return(false)
	if match := notMatcher.Matches(5); !match {
		t.Errorf("notMatcher should match 5")
	}
}