How to use isCleanuper method of gomock Package

Best Mock code snippet using gomock.isCleanuper

controller.go

Source:controller.go Github

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...125 ctrl := &Controller{126 T: h,127 expectedCalls: newCallSet(),128 }129 if c, ok := isCleanuper(ctrl.T); ok {130 c.Cleanup(func() {131 ctrl.T.Helper()132 ctrl.finish(true, nil)133 })134 }135 return ctrl136}137type cancelReporter struct {138 t TestHelper139 cancel func()140}141func (r *cancelReporter) Errorf(format string, args ...interface{}) {142 r.t.Errorf(format, args...)143}144func (r *cancelReporter) Fatalf(format string, args ...interface{}) {145 defer r.cancel()146 r.t.Fatalf(format, args...)147}148func (r *cancelReporter) Helper() {149 r.t.Helper()150}151// WithContext returns a new Controller and a Context, which is cancelled on any152// fatal failure.153func WithContext(ctx context.Context, t TestReporter) (*Controller, context.Context) {154 h, ok := t.(TestHelper)155 if !ok {156 h = &nopTestHelper{t: t}157 }158 ctx, cancel := context.WithCancel(ctx)159 return NewController(&cancelReporter{t: h, cancel: cancel}), ctx160}161type nopTestHelper struct {162 t TestReporter163}164func (h *nopTestHelper) Errorf(format string, args ...interface{}) {165 h.t.Errorf(format, args...)166}167func (h *nopTestHelper) Fatalf(format string, args ...interface{}) {168 h.t.Fatalf(format, args...)169}170func (h nopTestHelper) Helper() {}171// RecordCall is called by a mock. It should not be called by user code.172func (ctrl *Controller) RecordCall(receiver interface{}, method string, args ...interface{}) *Call {173 ctrl.T.Helper()174 recv := reflect.ValueOf(receiver)175 for i := 0; i < recv.Type().NumMethod(); i++ {176 if recv.Type().Method(i).Name == method {177 return ctrl.RecordCallWithMethodType(receiver, method, recv.Method(i).Type(), args...)178 }179 }180 ctrl.T.Fatalf("gomock: failed finding method %s on %T", method, receiver)181 panic("unreachable")182}183// RecordCallWithMethodType is called by a mock. It should not be called by user code.184func (ctrl *Controller) RecordCallWithMethodType(receiver interface{}, method string, methodType reflect.Type, args ...interface{}) *Call {185 ctrl.T.Helper()186 call := newCall(ctrl.T, receiver, method, methodType, args...)187 ctrl.mu.Lock()188 defer ctrl.mu.Unlock()189 ctrl.expectedCalls.Add(call)190 return call191}192// Call is called by a mock. It should not be called by user code.193func (ctrl *Controller) Call(receiver interface{}, method string, args ...interface{}) []interface{} {194 ctrl.T.Helper()195 // Nest this code so we can use defer to make sure the lock is released.196 actions := func() []func([]interface{}) []interface{} {197 ctrl.T.Helper()198 ctrl.mu.Lock()199 defer ctrl.mu.Unlock()200 expected, err := ctrl.expectedCalls.FindMatch(receiver, method, args)201 if err != nil {202 // callerInfo's skip should be updated if the number of calls between the user's test203 // and this line changes, i.e. this code is wrapped in another anonymous function.204 // 0 is us, 1 is controller.Call(), 2 is the generated mock, and 3 is the user's test.205 origin := callerInfo(3)206 ctrl.T.Fatalf("Unexpected call to %T.%v(%v) at %s because: %s", receiver, method, args, origin, err)207 }208 // Two things happen here:209 // * the matching call no longer needs to check prerequite calls,210 // * and the prerequite calls are no longer expected, so remove them.211 preReqCalls := expected.dropPrereqs()212 for _, preReqCall := range preReqCalls {213 ctrl.expectedCalls.Remove(preReqCall)214 }215 actions := expected.call()216 if expected.exhausted() {217 ctrl.expectedCalls.Remove(expected)218 }219 return actions220 }()221 var rets []interface{}222 for _, action := range actions {223 if r := action(args); r != nil {224 rets = r225 }226 }227 return rets228}229// Finish checks to see if all the methods that were expected to be called230// were called. It should be invoked for each Controller. It is not idempotent231// and therefore can only be invoked once.232//233// New in go1.14+, if you are passing a *testing.T into NewController function you no234// longer need to call ctrl.Finish() in your test methods.235func (ctrl *Controller) Finish() {236 // If we're currently panicking, probably because this is a deferred call.237 // This must be recovered in the deferred function.238 err := recover()239 ctrl.finish(false, err)240}241func (ctrl *Controller) finish(cleanup bool, panicErr interface{}) {242 ctrl.T.Helper()243 ctrl.mu.Lock()244 defer ctrl.mu.Unlock()245 if ctrl.finished {246 if _, ok := isCleanuper(ctrl.T); !ok {247 ctrl.T.Fatalf("Controller.Finish was called more than once. It has to be called exactly once.")248 }249 return250 }251 ctrl.finished = true252 // Short-circuit, pass through the panic.253 if panicErr != nil {254 panic(panicErr)255 }256 // Check that all remaining expected calls are satisfied.257 failures := ctrl.expectedCalls.Failures()258 for _, call := range failures {259 ctrl.T.Errorf("missing call(s) to %v", call)260 }261 if len(failures) != 0 {262 if !cleanup {263 ctrl.T.Fatalf("aborting test due to missing call(s)")264 return265 }266 ctrl.T.Errorf("aborting test due to missing call(s)")267 }268}269// callerInfo returns the file:line of the call site. skip is the number270// of stack frames to skip when reporting. 0 is callerInfo's call site.271func callerInfo(skip int) string {272 if _, file, line, ok := runtime.Caller(skip + 1); ok {273 return fmt.Sprintf("%s:%d", file, line)274 }275 return "unknown file"276}277// isCleanuper checks it if t's base TestReporter has a Cleanup method.278func isCleanuper(t TestReporter) (cleanuper, bool) {279 tr := unwrapTestReporter(t)280 c, ok := tr.(cleanuper)281 return c, ok282}283// unwrapTestReporter unwraps TestReporter to the base implementation.284func unwrapTestReporter(t TestReporter) TestReporter {285 tr := t286 switch nt := t.(type) {287 case *cancelReporter:288 tr = nt.t289 if h, check := tr.(*nopTestHelper); check {290 tr = h.t291 }292 case *nopTestHelper:...

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isCleanuper

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1import (2func TestIsCleanuper(t *testing.T) {3 ctrl := gomock.NewController(t)4 defer ctrl.Finish()5 mockCleaner := mock.NewMockCleaner(ctrl)6 mockCleaner.EXPECT().CleanUp().Return(nil)7 err := DoSomething(mockCleaner)8 if err != nil {9 t.Errorf("DoSomething() returned error %v, want nil", err)10 }11}12func DoSomething(c Cleaner) error {13 return c.CleanUp()14}15import (16func TestIsCleanuper(t *testing.T) {17 ctrl := gomock.NewController(t)18 defer ctrl.Finish()19 mockCleaner := mock.NewMockCleaner(ctrl)20 mockCleaner.EXPECT().CleanUp().Return(fmt.Errorf("error"))21 err := DoSomething(mockCleaner)22 if err == nil {23 t.Errorf("DoSomething() returned error nil, want error")24 }25}26func DoSomething(c Cleaner) error {27 return c.CleanUp()28}29import (30func TestIsCleanuper(t *testing.T) {31 ctrl := gomock.NewController(t)32 defer ctrl.Finish()33 mockCleaner := mock.NewMockCleaner(ctrl)34 mockCleaner.EXPECT().CleanUp().Return(nil).Times(2)35 err := DoSomething(mockCleaner)36 if err != nil {37 t.Errorf("DoSomething() returned error %v, want nil", err)38 }39 err = DoSomething(mockCleaner)40 if err != nil {

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isCleanuper

Using AI Code Generation

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1import (2func TestMock(t *testing.T) {3 ctrl := gomock.NewController(t)4 defer ctrl.Finish()5 mock := NewMockCleanuper(ctrl)6 mock.EXPECT().Cleanup()7 fmt.Println("I am in test")8 mock.Cleanup()9 assert.True(t, true)10}11import (12type Cleanuper interface {13 Cleanup()14}15func NewMockCleanuper(ctrl *gomock.Controller) *MockCleanuper {16 mock := &MockCleanuper{ctrl: ctrl}17 mock.recorder = &_MockCleanuperRecorder{mock}18}19type MockCleanuper struct {20}21func (_m *MockCleanuper) EXPECT() *_MockCleanuperRecorder {22}23func (_m *MockCleanuper) Cleanup() {24 _m.ctrl.T.Helper()25 _m.ctrl.Call(_m, "Cleanup")26}27type _MockCleanuperRecorder struct {28}29func (_m *_MockCleanuperRecorder) Cleanup() *gomock.Call {30 return _m.mock.ctrl.RecordCall(_m.mock, "Cleanup")31}32import (33func TestMock(t *testing.T) {34 fmt.Println("I am in test")35}36import (37func TestMock(t *testing.T) {38 fmt.Println("I am in test")39}40import (41func TestMock(t *testing.T) {42 fmt.Println("I am in test")43}44import (

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isCleanuper

Using AI Code Generation

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1import (2func TestCleanuper(t *testing.T) {3 ctrl := gomock.NewController(t)4 defer ctrl.Finish()5 m := mocks.NewMockCleanuper(ctrl)6 m.EXPECT().Cleanup("foo").Return(nil)7 fmt.Println(m.Cleanup("foo"))8}9import (10func TestCleanuper(t *testing.T) {11 ctrl := gomock.NewController(t)12 defer ctrl.Finish()13 m := mocks.NewMockCleanuper(ctrl)14 m.EXPECT().Cleanup("foo").Return(nil)15 fmt.Println(m.Cleanup("foo"))16}17import (18func TestCleanuper(t *testing.T) {19 ctrl := gomock.NewController(t)20 defer ctrl.Finish()21 m := mocks.NewMockCleanuper(ctrl)22 m.EXPECT().Cleanup("foo").Return(nil)23 fmt.Println(m.Cleanup("foo"))24}25import (26func TestCleanuper(t *testing.T) {27 ctrl := gomock.NewController(t)28 defer ctrl.Finish()29 m := mocks.NewMockCleanuper(ctrl)30 m.EXPECT().Cleanup("foo").Return(nil)31 fmt.Println(m.Cleanup("foo"))32}33import (34func TestCleanuper(t *testing.T) {35 ctrl := gomock.NewController(t)36 defer ctrl.Finish()37 m := mocks.NewMockCleanuper(ctrl)38 m.EXPECT().Cleanup("foo").Return(nil)39 fmt.Println(m.Cleanup("foo"))40}

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isCleanuper

Using AI Code Generation

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1import (2func main() {3 ctrl := gomock.NewController(nil)4 defer ctrl.Finish()5 mockCleaner := _1.NewMockCleaner(ctrl)6 mockCleaner.EXPECT().Clean().Return(nil)7 cleaner := _1.NewCleaner(mockCleaner)8 if err := cleaner.Clean(); err != nil {9 fmt.Printf("Error cleaning: %v", err)10 }11}12import (13func TestCleaner_Clean(t *testing.T) {14 ctrl := gomock.NewController(t)15 defer ctrl.Finish()16 mockCleaner := _1.NewMockCleaner(ctrl)17 mockCleaner.EXPECT().Clean().Return(errors.New("Could not clean"))18 cleaner := _1.NewCleaner(mockCleaner)19 if err := cleaner.Clean(); err != nil {20 t.Errorf("Expected error, got %v", err)21 }22}23import (24type Cleaner struct {25}26func NewCleaner(c isCleanuper) *Cleaner {27 return &Cleaner{28 }29}30func (c *Cleaner) Clean() error {31 if err := c.Cleaner.Clean(); err != nil {32 return errors.New("Could not clean")33 }34}35type isCleanuper interface {36 Clean() error37}38type Cleaner struct {39}40func NewCleaner() *Cleaner {41 return &Cleaner{}42}

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isCleanuper

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1func main() {2 ctrl := gomock.NewController(t)3 defer ctrl.Finish()4 mock := NewMockCleanuper(ctrl)5 mock.EXPECT().Cleanup().Do(func() {6 fmt.Println("Cleanup")7 })8 mock.Cleanup()9}10func main() {11 ctrl := gomock.NewController(t)12 defer ctrl.Finish()13 mock := NewMockCleanuper(ctrl)14 mock.EXPECT().Cleanup().Do(func() {15 fmt.Println("Cleanup")16 })17 mock.Cleanup()18}19func main() {20 ctrl := gomock.NewController(t)21 defer ctrl.Finish()22 mock := NewMockCleanuper(ctrl)23 mock.EXPECT().Cleanup().Do(func() {24 fmt.Println("Cleanup")25 })26 mock.Cleanup()27}28func main() {29 ctrl := gomock.NewController(t)30 defer ctrl.Finish()31 mock := NewMockCleanuper(ctrl)32 mock.EXPECT().Cleanup().Do(func() {33 fmt.Println("Cleanup")34 })35 mock.Cleanup()36}37func main() {38 ctrl := gomock.NewController(t)39 defer ctrl.Finish()40 mock := NewMockCleanuper(ctrl)41 mock.EXPECT().Cleanup().Do(func() {42 fmt.Println("Cleanup")43 })44 mock.Cleanup()45}46func main() {47 ctrl := gomock.NewController(t)48 defer ctrl.Finish()49 mock := NewMockCleanuper(ctrl)50 mock.EXPECT().Cleanup().Do(func() {51 fmt.Println("Cleanup")52 })53 mock.Cleanup()54}55func main() {56 ctrl := gomock.NewController(t)57 defer ctrl.Finish()58 mock := NewMockCleanuper(ctrl)59 mock.EXPECT().Cleanup().Do(func() {60 fmt.Println("Cleanup")61 })

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isCleanuper

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1import (2func TestIsCleanuper(t *testing.T) {3 c := cleaner.NewCleaner()4 ctrl := gomock.NewController(t)5 defer ctrl.Finish()6 mock := mock_cleaner.NewMockCleaner(ctrl)7 mock.EXPECT().IsCleaner().Return(true)8 fmt.Println("IsCleaner:", c.IsCleaner())9}10import "fmt"11type Cleaner interface {12 IsCleaner() bool13}14type CleanerImpl struct{}15func (c *CleanerImpl) IsCleaner() bool {16 fmt.Println("IsCleaner")17}18func NewCleaner() Cleaner {19 return &CleanerImpl{}20}21import (22type MockCleaner struct {23}24type MockCleanerMockRecorder struct {25}26func NewMockCleaner(ctrl *gomock.Controller) *MockCleaner {27 mock := &MockCleaner{ctrl: ctrl}28 mock.recorder = &MockCleanerMockRecorder{mock}29}30func (_m *MockCleaner) EXPECT() *MockCleanerMockRecorder {31}32func (_m *MockCleaner) IsCleaner() bool {33 ret := _m.ctrl.Call(_m, "IsCleaner")34 ret0, _ := ret[0].(bool)35}36func (_mr *MockCleanerMockRecorder) IsCleaner() *gomock.Call {37 return _mr.mock.ctrl.RecordCall(_mr.mock, "IsCleaner")38}39import (

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isCleanuper

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1import (2func main() {3 ctrl := gomock.NewController(nil)4 defer ctrl.Finish()5 mock := mock.NewMockCleanuper(ctrl)6 mock.EXPECT().Cleanup().Return(nil)7 fmt.Println(mock.Cleanup())8}9import (10func main() {11 fmt.Println(m.Cleanup())12}13type Cleanuper interface {14 Cleanup() error15}16import (17var _ Cleanuper = (*MockCleanuper)(nil)18type MockCleanuper struct {19}20type MockCleanuperMockRecorder struct {21}22func NewMockCleanuper(ctrl *gomock.Controller) *MockCleanuper {23 mock := &MockCleanuper{ctrl: ctrl}24 mock.callInfo = &gomock.CallInfo{Method: "MockCleanuper"}25 mock.recorder = &MockCleanuperMockRecorder{mock}26}27func (m *MockCleanuper) EXPECT() *MockCleanuperMockRecorder {28}29func (m *MockCleanuper) Cleanup() error {30 m.ctrl.TestingT().Helper()31 ret := m.ctrl.Call(m, "Cleanup")32 ret0, _ := ret[0].(error)33}34func (mr *MockCleanuperMockRecorder) Cleanup() *gomock.Call {35 mr.mock.ctrl.TestingT().Helper()36 return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Cleanup", reflect.TypeOf((*MockCleanuper)(nil).Cleanup))37}38require (

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isCleanuper

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1func TestMockObjectIsClean(t *testing.T) {2 mockCtrl := gomock.NewController(t)3 defer mockCtrl.Finish()4 mockObject := NewMockInterface(mockCtrl)5 mockObject.EXPECT().Method1(gomock.Any()).Return(nil).Times(1)6 mockObject.Method1("test")7 if !mockObject.IsClean() {8 t.Error("Mock object is not clean")9 }10}11func TestMockObjectIsNotClean(t *testing.T) {12 mockCtrl := gomock.NewController(t)13 defer mockCtrl.Finish()14 mockObject := NewMockInterface(mockCtrl)15 mockObject.EXPECT().Method1(gomock.Any()).Return(nil).Times(1)16 mockObject.Method1("test")17 if mockObject.IsClean() {18 t.Error("Mock object is clean")19 }20}21func TestMockObjectIsCleanInOrder(t *testing.T) {22 mockCtrl := gomock.NewController(t)23 defer mockCtrl.Finish()24 mockObject := NewMockInterface(mockCtrl)25 mockObject.EXPECT().Method1(gomock.Any()).Return(nil).Times(1)26 mockObject.Method1("test")27 gomock.InOrder(28}29func TestMockObjectIsCleanAny(t *testing.T) {30 mockCtrl := gomock.NewController(t)

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