cert-manager/pkg/controller/test/actions.go
James Munnelly 381bed1fd8 Print unit test failures in action matchers as part of failure message
Signed-off-by: James Munnelly <james@munnelly.eu>
2019-02-20 17:27:31 +00:00

89 lines
1.9 KiB
Go

/*
Copyright 2019 The Jetstack cert-manager contributors.
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 test
import (
"fmt"
"reflect"
"github.com/kr/pretty"
coretesting "k8s.io/client-go/testing"
)
type ActionMatchFn func(coretesting.Action, coretesting.Action) error
type Action interface {
Action() coretesting.Action
Matches(coretesting.Action) error
}
type customMatchAction struct {
action coretesting.Action
matchFn ActionMatchFn
}
var _ Action = &customMatchAction{}
func NewCustomMatch(a coretesting.Action, matchFn ActionMatchFn) Action {
return &customMatchAction{
action: a,
matchFn: matchFn,
}
}
func (a *customMatchAction) Action() coretesting.Action {
return a.action
}
func (a *customMatchAction) Matches(act coretesting.Action) error {
return a.matchFn(a.action, act)
}
type action struct {
action coretesting.Action
}
var _ Action = &action{}
func NewAction(a coretesting.Action) Action {
return &action{
action: a,
}
}
func (a *action) Action() coretesting.Action {
return a.action
}
func (a *action) Matches(act coretesting.Action) error {
matches := reflect.DeepEqual(a.action, act)
if matches == true {
return nil
}
objAct, ok := act.(coretesting.CreateAction)
if !ok {
return nil
}
objExp, ok := a.action.(coretesting.CreateAction)
if !ok {
return nil
}
return fmt.Errorf("unexpected difference between actions: %s", pretty.Diff(objExp.GetObject(), objAct.GetObject()))
}