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// Copyright 2020 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// +build go1.14
package gomock_test
import (
"testing"
"github.com/golang/mock/gomock"
)
func (e *ErrorReporter) Cleanup(f func()) {
e.t.Helper()
e.t.Cleanup(f)
}
func TestMultipleDefers(t *testing.T) {
reporter := NewErrorReporter(t)
reporter.Cleanup(func() {
reporter.assertPass("No errors for multiple calls to Finish")
})
ctrl := gomock.NewController(reporter)
ctrl.Finish()
}
// Equivalent to the TestNoRecordedCallsForAReceiver, but without explicitly
// calling Finish.
func TestDeferNotNeededFail(t *testing.T) {
reporter := NewErrorReporter(t)
subject := new(Subject)
var ctrl *gomock.Controller
reporter.Cleanup(func() {
reporter.assertFatal(func() {
ctrl.Call(subject, "NotRecordedMethod", "argument")
}, "Unexpected call to", "there are no expected calls of the method \"NotRecordedMethod\" for that receiver")
})
ctrl = gomock.NewController(reporter)
}
func TestDeferNotNeededPass(t *testing.T) {
reporter := NewErrorReporter(t)
subject := new(Subject)
var ctrl *gomock.Controller
reporter.Cleanup(func() {
reporter.assertPass("Expected method call made.")
})
ctrl = gomock.NewController(reporter)
ctrl.RecordCall(subject, "FooMethod", "argument")
ctrl.Call(subject, "FooMethod", "argument")
}
func TestOrderedCallsInCorrect(t *testing.T) {
reporter := NewErrorReporter(t)
subjectOne := new(Subject)
subjectTwo := new(Subject)
var ctrl *gomock.Controller
reporter.Cleanup(func() {
reporter.assertFatal(func() {
gomock.InOrder(
ctrl.RecordCall(subjectOne, "FooMethod", "1").AnyTimes(),
ctrl.RecordCall(subjectTwo, "FooMethod", "2"),
ctrl.RecordCall(subjectTwo, "BarMethod", "3"),
)
ctrl.Call(subjectOne, "FooMethod", "1")
// FooMethod(2) should be called before BarMethod(3)
ctrl.Call(subjectTwo, "BarMethod", "3")
}, "Unexpected call to", "Subject.BarMethod([3])", "doesn't have a prerequisite call satisfied")
})
ctrl = gomock.NewController(reporter)
}
// Test that calls that are prerequisites to other calls but have maxCalls >
// minCalls are removed from the expected call set.
func TestOrderedCallsWithPreReqMaxUnbounded(t *testing.T) {
reporter := NewErrorReporter(t)
subjectOne := new(Subject)
subjectTwo := new(Subject)
var ctrl *gomock.Controller
reporter.Cleanup(func() {
reporter.assertFatal(func() {
// Initially we should be able to call FooMethod("1") as many times as we
// want.
ctrl.Call(subjectOne, "FooMethod", "1")
ctrl.Call(subjectOne, "FooMethod", "1")
// But calling something that has it as a prerequite should remove it from
// the expected call set. This allows tests to ensure that FooMethod("1") is
// *not* called after FooMethod("2").
ctrl.Call(subjectTwo, "FooMethod", "2")
ctrl.Call(subjectOne, "FooMethod", "1")
})
})
ctrl = gomock.NewController(reporter)
}
func TestCallAfterLoopPanic(t *testing.T) {
reporter := NewErrorReporter(t)
subject := new(Subject)
var ctrl *gomock.Controller
reporter.Cleanup(func() {
firstCall := ctrl.RecordCall(subject, "FooMethod", "1")
secondCall := ctrl.RecordCall(subject, "FooMethod", "2")
thirdCall := ctrl.RecordCall(subject, "FooMethod", "3")
gomock.InOrder(firstCall, secondCall, thirdCall)
defer func() {
err := recover()
if err == nil {
t.Error("Call.After creation of dependency loop did not panic.")
}
}()
// This should panic due to dependency loop.
firstCall.After(thirdCall)
})
ctrl = gomock.NewController(reporter)
}
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