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// Copyright 2011 Google Inc.
//
// 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.
package gomock
import (
"reflect"
"testing"
)
type receiverType struct{}
func (receiverType) Func() {}
func TestCallSetAdd(t *testing.T) {
method := "TestMethod"
var receiver any = "TestReceiver"
cs := newCallSet()
numCalls := 10
for i := 0; i < numCalls; i++ {
cs.Add(newCall(t, receiver, method, reflect.TypeOf(receiverType{}.Func)))
}
call, err := cs.FindMatch(receiver, method, []any{})
if err != nil {
t.Fatalf("FindMatch: %v", err)
}
if call == nil {
t.Fatalf("FindMatch: Got nil, want non-nil *Call")
}
}
func TestCallSetAdd_WhenOverridable_ClearsPreviousExpectedAndExhausted(t *testing.T) {
method := "TestMethod"
var receiver any = "TestReceiver"
cs := newOverridableCallSet()
cs.Add(newCall(t, receiver, method, reflect.TypeOf(receiverType{}.Func)))
numExpectedCalls := len(cs.expected[callSetKey{receiver, method}])
if numExpectedCalls != 1 {
t.Fatalf("Expected 1 expected call in callset, got %d", numExpectedCalls)
}
cs.Add(newCall(t, receiver, method, reflect.TypeOf(receiverType{}.Func)))
newNumExpectedCalls := len(cs.expected[callSetKey{receiver, method}])
if newNumExpectedCalls != 1 {
t.Fatalf("Expected 1 expected call in callset, got %d", newNumExpectedCalls)
}
}
func TestCallSetRemove(t *testing.T) {
method := "TestMethod"
var receiver any = "TestReceiver"
cs := newCallSet()
ourCalls := []*Call{}
numCalls := 10
for i := 0; i < numCalls; i++ {
// NOTE: abuse the `numCalls` value to convey initial ordering of mocked calls
generatedCall := &Call{receiver: receiver, method: method, numCalls: i}
cs.Add(generatedCall)
ourCalls = append(ourCalls, generatedCall)
}
// validateOrder validates that the calls in the array are ordered as they were added
validateOrder := func(calls []*Call) {
// lastNum tracks the last `numCalls` (call order) value seen
lastNum := -1
for _, c := range calls {
if lastNum >= c.numCalls {
t.Errorf("found call %d after call %d", c.numCalls, lastNum)
}
lastNum = c.numCalls
}
}
for _, c := range ourCalls {
validateOrder(cs.expected[callSetKey{receiver, method}])
cs.Remove(c)
}
}
func TestCallSetFindMatch(t *testing.T) {
t.Run("call is exhausted", func(t *testing.T) {
cs := newCallSet()
var receiver any = "TestReceiver"
method := "TestMethod"
args := []any{}
c1 := newCall(t, receiver, method, reflect.TypeOf(receiverType{}.Func))
cs.exhausted = map[callSetKey][]*Call{
{receiver: receiver, fname: method}: {c1},
}
_, err := cs.FindMatch(receiver, method, args)
if err == nil {
t.Fatal("expected error, but was nil")
}
if err.Error() == "" {
t.Fatal("expected error to have message, but was empty")
}
})
}
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