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How to use callerInfo method of gomock Package

Best Mock code snippet using gomock.callerInfo

controller.go

Source:controller.go

...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 := t...

callerInfo

Using AI Code Generation

1import (2func main() {3	ctrl := gomock.NewController(gomock.CallStack(1))4	defer ctrl.Finish()5	fmt.Println(reflect.TypeOf(ctrl))6	fmt.Println(gomock.CallerInfo())7}8import (9func main() {10    _, file, line, _ := runtime.Caller(1)11    fmt.Println(file)12    fmt.Println(line)13}14import (15func main() {16    _, file, line, _ := runtime.Caller(1)17    fmt.Println(file)18    fmt.Println(line)19}20import (21func main() {22    err := fmt.Errorf("error message")23    if err != nil {24        _, file, line, _ := runtime.Caller(1)25        log.Printf("%s:%d %v", file, line, err)26    }27}28import (29func main() {

callerInfo

Using AI Code Generation

1import (2func callerInfo() string {3	pc, file, line, ok := runtime.Caller(1)4	if !ok {5	}6	fn := runtime.FuncForPC(pc).Name()7	parts := strings.Split(fn, ".")8	return fmt.Sprintf("%s:%d %s()", file, line, parts[len(parts)-1])9}10func main() {11	fmt.Println(callerInfo())12}131.go:8 main()

callerInfo

Using AI Code Generation

1import (2func TestCallerInfo(t *testing.T) {3	ctrl := gomock.NewController(t)4	defer ctrl.Finish()5	mockCaller := mock.NewMockCaller(ctrl)6	mockCaller.EXPECT().CallerInfo().Return("callerInfo")7	fmt.Println(mockCaller.CallerInfo())8}9import (10func TestCallerInfo(t *testing.T) {11	ctrl := gomock.NewController(t)12	defer ctrl.Finish()13	mockCaller := mock.NewMockCaller(ctrl)14	mockCaller.EXPECT().CallerInfo().Return("callerInfo")15	fmt.Println(mockCaller.CallerInfo())16}17import (18func TestCallerInfo(t *testing.T) {19	ctrl := gomock.NewController(t)20	defer ctrl.Finish()21	mockCaller := mock.NewMockCaller(ctrl)22	mockCaller.EXPECT().CallerInfo().Return("callerInfo")23	fmt.Println(mockCaller.CallerInfo())24}25import (26func TestCallerInfo(t *testing.T) {27	ctrl := gomock.NewController(t)28	defer ctrl.Finish()29	mockCaller := mock.NewMockCaller(ctrl)30	mockCaller.EXPECT().CallerInfo().Return("callerInfo")31	fmt.Println(mockCaller.CallerInfo())32}33import (34func TestCallerInfo(t *testing.T

callerInfo

Using AI Code Generation

12017/08/04 10:41:18 1.go:5: callerInfo() called from 2.go:622017/08/04 10:41:18 1.go:5: callerInfo() called from 2.go:732017/08/04 10:41:18 1.go:5: callerInfo() called from 2.go:842017/08/04 10:41:18 1.go:5: callerInfo() called from 2.go:952017/08/04 10:41:18 1.go:5: callerInfo() called from 2.go:106func (c *Call) callerInfo() (file string, line int) {7    _, file, line, _ = runtime.Caller(3)8}9func (c *Call) Times(min, max int) *Call {10    c.mock.t.Helper()11    c.mock.calls = append(c.mock.calls, c)12    c.mock.t.Log(c.callerInfo())13}14func (c *Call) Return(values ...interface{}) *Call {15    c.mock.t.Helper()16    c.mock.calls = append(c.mock.calls, c)17    c.mock.t.Log(c.callerInfo())18}19func (c *Call) Do(f interface{}) *Call {20    c.mock.t.Helper()

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