87 lines
2.4 KiB
Go
87 lines
2.4 KiB
Go
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// Copyright 2011 Google Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package gomock
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import (
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"errors"
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"fmt"
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)
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// callSet represents a set of expected calls, indexed by receiver and method
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// name.
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type callSet map[interface{}]map[string][]*Call
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// Add adds a new expected call.
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func (cs callSet) Add(call *Call) {
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methodMap, ok := cs[call.receiver]
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if !ok {
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methodMap = make(map[string][]*Call)
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cs[call.receiver] = methodMap
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}
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methodMap[call.method] = append(methodMap[call.method], call)
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}
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// Remove removes an expected call.
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func (cs callSet) Remove(call *Call) {
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methodMap, ok := cs[call.receiver]
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if !ok {
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return
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}
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sl := methodMap[call.method]
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for i, c := range sl {
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if c == call {
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// quick removal; we don't need to maintain call order
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if len(sl) > 1 {
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sl[i] = sl[len(sl)-1]
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}
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methodMap[call.method] = sl[:len(sl)-1]
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break
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}
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}
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}
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// FindMatch searches for a matching call. Returns error with explanation message if no call matched.
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func (cs callSet) FindMatch(receiver interface{}, method string, args []interface{}) (*Call, error) {
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methodMap, ok := cs[receiver]
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if !ok {
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return nil, errors.New("there are no expected method calls for that receiver")
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}
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calls, ok := methodMap[method]
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if !ok {
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return nil, fmt.Errorf("there are no expected calls of the method: %s for that receiver", method)
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}
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// Search through the unordered set of calls expected on a method on a
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// receiver.
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callsErrors := ""
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for _, call := range calls {
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// A call should not normally still be here if exhausted,
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// but it can happen if, for instance, .Times(0) was used.
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// Pretend the call doesn't match.
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if call.exhausted() {
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callsErrors += "\nThe call was exhausted."
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continue
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}
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err := call.matches(args)
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if err != nil {
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callsErrors += "\n" + err.Error()
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} else {
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return call, nil
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}
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}
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return nil, fmt.Errorf(callsErrors)
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}
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