/*
Copyright 2017 The Kubernetes 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 fake provides a fake client interface to arbitrary Kubernetes
// APIs that exposes common high level operations and exposes common
// metadata.
package fake

import (
	"k8s.io/apimachinery/pkg/runtime/schema"
	"k8s.io/client-go/dynamic"
	"k8s.io/client-go/testing"
)

// FakeClientPool provides a fake implementation of dynamic.ClientPool.
// It assumes resource GroupVersions are the same as their corresponding kind GroupVersions.
type FakeClientPool struct {
	testing.Fake
}

// ClientForGroupVersionKind returns a client configured for the specified groupVersionResource.
// Resource may be empty.
func (p *FakeClientPool) ClientForGroupVersionResource(resource schema.GroupVersionResource) (dynamic.Interface, error) {
	return p.ClientForGroupVersionKind(resource.GroupVersion().WithKind(""))
}

// ClientForGroupVersionKind returns a client configured for the specified groupVersionKind.
// Kind may be empty.
func (p *FakeClientPool) ClientForGroupVersionKind(kind schema.GroupVersionKind) (dynamic.Interface, error) {
	// we can just create a new client every time for testing purposes
	return &FakeClient{
		GroupVersion: kind.GroupVersion(),
		Fake:         &p.Fake,
	}, nil
}