// Assert compares the arguments with the specified objects and fails if // they do not exactly match. func (args Arguments) Assert(t TestingT, objects ...interface{}) bool { // get the differences diff, diffCount := args.Diff(objects) if diffCount == 0 { return true } // there are differences... report them... t.Logf(diff) t.Errorf("%sArguments do not match.", assert.CallerInfo()) return false }
// AssertExpectations asserts that everything specified with On and Return was // in fact called as expected. Calls may have occurred in any order. func (m *Mock) AssertExpectations(t TestingT) bool { var somethingMissing bool = false var failedExpectations int = 0 // iterate through each expectation for _, expectedCall := range m.ExpectedCalls { switch { case !m.methodWasCalled(expectedCall.Method, expectedCall.Arguments): somethingMissing = true failedExpectations++ t.Logf("\u274C\t%s(%s)", expectedCall.Method, expectedCall.Arguments.String()) case expectedCall.Repeatability > 0: somethingMissing = true failedExpectations++ default: t.Logf("\u2705\t%s(%s)", expectedCall.Method, expectedCall.Arguments.String()) } } if somethingMissing { t.Errorf("FAIL: %d out of %d expectation(s) were met.\n\tThe code you are testing needs to make %d more call(s).\n\tat: %s", len(m.ExpectedCalls)-failedExpectations, len(m.ExpectedCalls), failedExpectations, assert.CallerInfo()) } return !somethingMissing }
// Called tells the mock object that a method has been called, and gets an array // of arguments to return. Panics if the call is unexpected (i.e. not preceeded by // appropriate .On .Return() calls) // If Call.WaitFor is set, blocks until the channel is closed or receives a message. func (m *Mock) Called(arguments ...interface{}) Arguments { defer m.mutex.Unlock() m.mutex.Lock() // get the calling function's name pc, _, _, ok := runtime.Caller(1) if !ok { panic("Couldn't get the caller information") } functionPath := runtime.FuncForPC(pc).Name() parts := strings.Split(functionPath, ".") functionName := parts[len(parts)-1] found, call := m.findExpectedCall(functionName, arguments...) switch { case found < 0: // we have to fail here - because we don't know what to do // as the return arguments. This is because: // // a) this is a totally unexpected call to this method, // b) the arguments are not what was expected, or // c) the developer has forgotten to add an accompanying On...Return pair. closestFound, closestCall := m.findClosestCall(functionName, arguments...) if closestFound { panic(fmt.Sprintf("\n\nmock: Unexpected Method Call\n-----------------------------\n\n%s\n\nThe closest call I have is: \n\n%s\n", callString(functionName, arguments, true), callString(functionName, closestCall.Arguments, true))) } else { panic(fmt.Sprintf("\nassert: mock: I don't know what to return because the method call was unexpected.\n\tEither do Mock.On(\"%s\").Return(...) first, or remove the %s() call.\n\tThis method was unexpected:\n\t\t%s\n\tat: %s", functionName, functionName, callString(functionName, arguments, true), assert.CallerInfo())) } case call.Repeatability == 1: call.Repeatability = -1 m.ExpectedCalls[found] = *call case call.Repeatability > 1: call.Repeatability -= 1 m.ExpectedCalls[found] = *call } // add the call m.Calls = append(m.Calls, Call{functionName, arguments, make([]interface{}, 0), 0, nil, nil}) // block if specified if call.WaitFor != nil { <-call.WaitFor } if call.Run != nil { call.Run(arguments) } return call.ReturnArguments }
// AssertExpectations asserts that everything specified with On and Return was // in fact called as expected. Calls may have occurred in any order. func (m *Mock) AssertExpectations(t TestingT) bool { var somethingMissing bool var failedExpectations int // iterate through each expectation expectedCalls := m.expectedCalls() for _, expectedCall := range expectedCalls { if !m.methodWasCalled(expectedCall.Method, expectedCall.Arguments) && expectedCall.totalCalls == 0 { somethingMissing = true failedExpectations++ t.Logf("\u274C\t%s(%s)", expectedCall.Method, expectedCall.Arguments.String()) } else { m.mutex.Lock() if expectedCall.Repeatability > 0 { somethingMissing = true failedExpectations++ } else { t.Logf("\u2705\t%s(%s)", expectedCall.Method, expectedCall.Arguments.String()) } m.mutex.Unlock() } } if somethingMissing { t.Errorf("FAIL: %d out of %d expectation(s) were met.\n\tThe code you are testing needs to make %d more call(s).\n\tat: %s", len(expectedCalls)-failedExpectations, len(expectedCalls), failedExpectations, assert.CallerInfo()) } return !somethingMissing }
// Called tells the mock object that a method has been called, and gets an array // of arguments to return. Panics if the call is unexpected (i.e. not preceded by // appropriate .On .Return() calls) // If Call.WaitFor is set, blocks until the channel is closed or receives a message. func (m *Mock) Called(arguments ...interface{}) Arguments { // get the calling function's name pc, _, _, ok := runtime.Caller(1) if !ok { panic("Couldn't get the caller information") } functionPath := runtime.FuncForPC(pc).Name() //Next four lines are required to use GCCGO function naming conventions. //For Ex: github_com_docker_libkv_store_mock.WatchTree.pN39_github_com_docker_libkv_store_mock.Mock //uses inteface information unlike golang github.com/docker/libkv/store/mock.(*Mock).WatchTree //With GCCGO we need to remove interface information starting from pN<dd>. re := regexp.MustCompile("\\.pN\\d+_") if re.MatchString(functionPath) { functionPath = re.Split(functionPath, -1)[0] } parts := strings.Split(functionPath, ".") functionName := parts[len(parts)-1] found, call := m.findExpectedCall(functionName, arguments...) if found < 0 { // we have to fail here - because we don't know what to do // as the return arguments. This is because: // // a) this is a totally unexpected call to this method, // b) the arguments are not what was expected, or // c) the developer has forgotten to add an accompanying On...Return pair. closestFound, closestCall := m.findClosestCall(functionName, arguments...) if closestFound { panic(fmt.Sprintf("\n\nmock: Unexpected Method Call\n-----------------------------\n\n%s\n\nThe closest call I have is: \n\n%s\n\n%s\n", callString(functionName, arguments, true), callString(functionName, closestCall.Arguments, true), diffArguments(arguments, closestCall.Arguments))) } else { panic(fmt.Sprintf("\nassert: mock: I don't know what to return because the method call was unexpected.\n\tEither do Mock.On(\"%s\").Return(...) first, or remove the %s() call.\n\tThis method was unexpected:\n\t\t%s\n\tat: %s", functionName, functionName, callString(functionName, arguments, true), assert.CallerInfo())) } } else { m.mutex.Lock() switch { case call.Repeatability == 1: call.Repeatability = -1 call.totalCalls++ case call.Repeatability > 1: call.Repeatability-- call.totalCalls++ case call.Repeatability == 0: call.totalCalls++ } m.mutex.Unlock() } // add the call m.mutex.Lock() m.Calls = append(m.Calls, *newCall(m, functionName, arguments...)) m.mutex.Unlock() // block if specified if call.WaitFor != nil { <-call.WaitFor } if call.RunFn != nil { call.RunFn(arguments) } return call.ReturnArguments }
// Called tells the mock object that a method has been called, and gets an array // of arguments to return. Panics if the call is unexpected (i.e. not preceeded by // appropriate .On .Return() calls) // If Call.WaitFor is set, blocks until the channel is closed or receives a message. func (m *Mock) Called(arguments ...interface{}) Arguments { // get the calling function's name pc, _, _, ok := runtime.Caller(1) if !ok { panic("Couldn't get the caller information") } functionPath := runtime.FuncForPC(pc).Name() parts := strings.Split(functionPath, ".") functionName := parts[len(parts)-1] found, call := m.findExpectedCall(functionName, arguments...) if found < 0 { // we have to fail here - because we don't know what to do // as the return arguments. This is because: // // a) this is a totally unexpected call to this method, // b) the arguments are not what was expected, or // c) the developer has forgotten to add an accompanying On...Return pair. closestFound, closestCall := m.findClosestCall(functionName, arguments...) if closestFound { panic(fmt.Sprintf(unexpectedMethodCallClosest, callString(functionName, arguments, true), callString(functionName, closestCall.Arguments, true))) } else { panic(fmt.Sprintf(unexpectedMethodCall, functionName, functionName, callString(functionName, arguments, true), assert.CallerInfo())) } } else { m.mutex.Lock() switch { case call.Repeatability == 1: call.Repeatability = -1 m.ExpectedCalls[found] = *call case call.Repeatability > 1: call.Repeatability -= 1 m.ExpectedCalls[found] = *call } m.mutex.Unlock() } // add the call m.mutex.Lock() m.Calls = append(m.Calls, Call{functionName, arguments, make([]interface{}, 0), 0, nil, nil}) m.mutex.Unlock() // block if specified if call.WaitFor != nil { <-call.WaitFor } if call.Run != nil { call.Run(arguments) } return call.ReturnArguments }