Пример #1
0
func TestMatchers(t *testing.T) {
	type e interface{}
	type testCase struct {
		matcher gomock.Matcher
		yes, no []e
	}
	tests := []testCase{
		testCase{gomock.Any(), []e{3, nil, "foo"}, nil},
		testCase{gomock.Eq(4), []e{4}, []e{3, "blah", nil, int64(4)}},
		testCase{gomock.Nil(),
			[]e{nil, (error)(nil), (chan bool)(nil), (*int)(nil)},
			[]e{"", 0, make(chan bool), errors.New("err"), new(int)}},
		testCase{gomock.Not(gomock.Eq(4)), []e{3, "blah", nil, int64(4)}, []e{4}},
	}
	for i, test := range tests {
		for _, x := range test.yes {
			if !test.matcher.Matches(x) {
				t.Errorf(`test %d: "%v %s" should be true.`, i, x, test.matcher)
			}
		}
		for _, x := range test.no {
			if test.matcher.Matches(x) {
				t.Errorf(`test %d: "%v %s" should be false.`, i, x, test.matcher)
			}
		}
	}
}
Пример #2
0
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})
}