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replica_matcher.go
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replica_matcher.go
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/*
Copyright The Guard Authors.
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 matcher
import (
"fmt"
"github.com/onsi/gomega/types"
apps "k8s.io/api/apps/v1"
core "k8s.io/api/core/v1"
extensions "k8s.io/api/extensions/v1beta1"
)
func HaveReplica(expected int) types.GomegaMatcher {
return &replicaMatcher{
expected: expected,
}
}
type replicaMatcher struct {
expected int
}
func (matcher *replicaMatcher) Match(actual interface{}) (success bool, err error) {
switch obj := actual.(type) {
case *core.ReplicationController:
return *obj.Spec.Replicas == int32(matcher.expected), nil
case *extensions.ReplicaSet:
return *obj.Spec.Replicas == int32(matcher.expected), nil
case *extensions.Deployment:
return *obj.Spec.Replicas == int32(matcher.expected), nil
// case *extensions.DaemonSet:
// return matcher.find(obj.Spec.Template.Spec.Containers)
case *apps.Deployment:
return *obj.Spec.Replicas == int32(matcher.expected), nil
// case *apps.StatefulSet:
// return matcher.find(obj.Spec.Template.Spec.Containers)
default:
return false, fmt.Errorf("unknown object type")
}
}
func (matcher *replicaMatcher) FailureMessage(actual interface{}) (message string) {
return fmt.Sprintf("Expected\n\t%#v\n to have \n\t%#v replica", actual, matcher.expected)
}
func (matcher *replicaMatcher) NegatedFailureMessage(actual interface{}) (message string) {
return fmt.Sprintf("Expected\n\t%#v\nnot to have\n\t%#v replica", actual, matcher.expected)
}