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How to use WantFormatter method of gomock Package

Best Mock code snippet using gomock.WantFormatter

gomock.go

Source:gomock.go

...19	"sigs.k8s.io/yaml"20)21func FormattingMatcher(expected interface{}, matcher gomock.Matcher) gomock.Matcher {22	return gomock.GotFormatterAdapter(gomock.GotFormatterFunc(FormatToYAML),23		gomock.WantFormatter(gomock.StringerFunc(func() string {24			return FormatToYAML(expected)25		}), matcher))26}27func Eq(expected interface{}) gomock.Matcher {28	return FormattingMatcher(expected, gomock.Eq(expected))29}30func FormatToYAML(o interface{}) string {31	b, err := yaml.Marshal(o)32	Expect(err).To(Succeed())33	return fmt.Sprintf("%T:\n%s", o, string(b))34}...

matter_test.go

Source:matter_test.go

...9	ctrl := gomock.NewController(t)10	defer ctrl.Finish()11	mif := mock_mockMatter.NewMockIF(ctrl)12	var iface IF = mif13	wantMatcher := gomock.WantFormatter(14		gomock.StringerFunc(func() string { return "blah" }),15		gomock.Eq((6)),16	)17	gotMatcher := gomock.GotFormatterAdapter(18		gomock.GotFormatterFunc(func(i interface{}) string {19			// Leading 0s20			return fmt.Sprintf("%02d", i)21		}),22		wantMatcher,23	)24	//mif.EXPECT().SimpleMethod(gotMatcher)25	mif.EXPECT().VariadicMethod(gotMatcher)26	//iface.SimpleMethod(5)27	iface.VariadicMethod(4, 2)...

expect.go

Source:expect.go

...7	return gomock.GotFormatterAdapter(8		gomock.GotFormatterFunc(func(i interface{}) string {9			return fmt.Sprintf("\x1b[1;31m\"%s\"\x1b[0m\n%+v", testCase, i)10		}),11		gomock.WantFormatter(12			gomock.StringerFunc(func() string { return fmt.Sprintf("\n%+v", value) }),13			gomock.Eq(value),14		),15	)16}...

WantFormatter

Using AI Code Generation

1import (2func TestSomething(t *testing.T) {3    ctrl := gomock.NewController(t)4    defer ctrl.Finish()5    mock := NewMockInterface(ctrl)6    mock.EXPECT().WantFormatter(gomock.Any()).DoAndReturn(func(f func(string) string) error {7        got := f("hello")8        if diff := cmp.Diff(want, got); diff != "" {9            t.Errorf("(-want +got)10        }11    })12    mock.WantFormatter(strings.ToUpper)13}14import (15func TestSomething(t *testing.T) {16    ctrl := gomock.NewController(t)17    defer ctrl.Finish()18    mock := NewMockInterface(ctrl)19    mock.EXPECT().WantFormatter(gomock.Any()).DoAndReturn(func(f func(string) string) error {20        got := f("hello")21        if diff := cmp.Diff(want, got); diff != "" {22            t.Errorf("(-want +got)23        }24    })25    mock.WantFormatter(strings.ToLower)26}27--- FAIL: TestSomething (0.00s)28    1_test.go:26: (-want +got)29          string(

WantFormatter

Using AI Code Generation

1import (2func TestWantFormatter(t *testing.T) {3	ctrl := gomock.NewController(t)4	defer ctrl.Finish()5	mockFormatter := NewMockFormatter(ctrl)6	mockFormatter.EXPECT().Format().Return("Hello World")7	fmt.Println(mockFormatter.Format())8}9type Formatter interface {10	Format() string11}12import "fmt"13type mockFormatter struct {14}15func (m *mockFormatter) Format() string {16	return fmt.Sprintf("Hello World")17}18func NewMockFormatter() Formatter {19	return &mockFormatter{}20}21import "fmt"22type mockFormatter struct {23}24func (m *mockFormatter) Format() string {25	return fmt.Sprintf("Hello World")26}27func NewMockFormatter() Formatter {28	return &mockFormatter{}29}

WantFormatter

Using AI Code Generation

1import (2func Test_1(t *testing.T) {3	ctrl := gomock.NewController(t)4	defer ctrl.Finish()5	mock := NewMockWantFormatter(ctrl)6	mock.EXPECT().WantFormatter(gomock.Any()).DoAndReturn(func(s string) string {7	})8	fmt.Println(mock.WantFormatter("World"))9}10type WantFormatter interface {11	WantFormatter(string) string12}13import (14type MockWantFormatter struct {15}16type MockWantFormatterMockRecorder struct {17}18func NewMockWantFormatter(ctrl *gomock.Controller) *MockWantFormatter {19	mock := &MockWantFormatter{ctrl: ctrl}20	mock.recorder = &MockWantFormatterMockRecorder{mock}21}22func (m *MockWantFormatter) EXPECT() *MockWantFormatterMockRecorder {23}24func (m *MockWantFormatter) WantFormatter(s string) string {25	ret := m.ctrl.Call(m, "WantFormatter", s)26	ret0, _ := ret[0].(string)27}28func (mr *MockWantFormatterMockRecorder) WantFormatter(s interface{}) *gomock.Call {29	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "WantFormatter", reflect.TypeOf((*MockWantFormatter)(nil).WantFormatter), s)30}31import (32func Test_2(t *testing.T) {33	ctrl := gomock.NewController(t)34	defer ctrl.Finish()35	mock := NewMockWantFormatter(ctrl)

WantFormatter

Using AI Code Generation

1func TestMockFoo_WantFormatter(t *testing.T) {2	ctrl := gomock.NewController(t)3	defer ctrl.Finish()4	m := NewMockFoo(ctrl)5	m.EXPECT().WantFormatter(gomock.Any()).Do(func(f fmt.Formatter) {6		fmt.Fprintf(f, "foo")7	})8	fmt.Println(m.WantFormatter(nil))9}10func (m *MockFoo) WantFormatter(f fmt.Formatter) string {11	m.ctrl.T.Helper()12	ret := m.ctrl.Call(m, "WantFormatter", f)13	ret0, _ := ret[0].(string)14}15func (mr *MockFooMockRecorder) WantFormatter(f interface{}) *gomock.Call {16	mr.mock.ctrl.T.Helper()17	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "WantFormatter", reflect.TypeOf((*MockFoo)(nil).WantFormatter), f)18}

WantFormatter

Using AI Code Generation

1import (2type Test struct {3}4func (t *Test) DoSomething() {5    xxx.DoSomething()6}7func TestDoSomething(t *testing.T) {8    ctrl := gomock.NewController(t)9    defer ctrl.Finish()10    mockXxx := mocks.NewMockXxx(ctrl)11    mockXxx.EXPECT().DoSomething().Return(nil)

WantFormatter

Using AI Code Generation

1func TestGomock(t *testing.T) {2	g := NewGomegaWithT(t)3	mock := NewMockFormatter(gomock.NewController(t))4	mock.EXPECT().WantFormatter(gomock.Eq("Hello")).Return("Hello")5	result := mock.WantFormatter("Hello")6	g.Expect(result).To(Equal("Hello"))7}8func TestGomock(t *testing.T) {9	g := NewGomegaWithT(t)10	mock := NewMockFormatter(gomock.NewController(t))11	mock.EXPECT().WantFormatter(gomock.Eq("Hello")).Return("Hello")12	result := mock.WantFormatter("Hello")13	g.Expect(result).To(Equal("Hello"))14}15func TestGomock(t *testing.T) {16	g := NewGomegaWithT(t)17	mock := NewMockFormatter(gomock.NewController(t))18	mock.EXPECT().WantFormatter(gomock.Eq("Hello")).Return("Hello")19	result := mock.WantFormatter("Hello")20	g.Expect(result).To(Equal("Hello"))21}22func TestGomock(t *testing.T) {23	g := NewGomegaWithT(t)24	mock := NewMockFormatter(gomock.NewController(t))25	mock.EXPECT().WantFormatter(gomock.Eq("Hello")).Return("Hello")26	result := mock.WantFormatter("Hello")27	g.Expect(result).To(Equal("Hello"))28}29func TestGomock(t *testing.T) {30	g := NewGomegaWithT(t)31	mock := NewMockFormatter(gomock.NewController(t))32	mock.EXPECT().WantFormatter(gomock.Eq("Hello")).Return("Hello")33	result := mock.WantFormatter("Hello")34	g.Expect(result).To(Equal("Hello"))35}36func TestGomock(t *testing.T) {37	g := NewGomegaWithT(t)38	mock := NewMockFormatter(gomock.NewController(t))39	mock.EXPECT().WantFormatter(gomock.Eq("Hello")).Return("Hello")

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