// Copyright 2019 The Kubernetes Authors.
// SPDX-License-Identifier: Apache-2.0

package framework_test

import (
	"bytes"
	"strings"
	"testing"

	"github.com/stretchr/testify/assert"
	"sigs.k8s.io/kustomize/kyaml/fn/framework"
	"sigs.k8s.io/kustomize/kyaml/kio"
	"sigs.k8s.io/kustomize/kyaml/yaml"
)

func TestExecute_Result(t *testing.T) {
	p := framework.ResourceListProcessorFunc(func(rl *framework.ResourceList) error {
		err := &framework.Result{
			Name: "Incompatible config",
			Items: []framework.ResultItem{{
				Message:  "bad value for replicas",
				Severity: framework.Error,
				ResourceRef: yaml.ResourceMeta{
					TypeMeta: yaml.TypeMeta{APIVersion: "v1", Kind: "Deployment"},
					ObjectMeta: yaml.ObjectMeta{
						NameMeta: yaml.NameMeta{Name: "tester", Namespace: "default"},
					},
				},
				Field: framework.Field{
					Path:           ".spec.Replicas",
					CurrentValue:   "0",
					SuggestedValue: "3",
				},
				File: framework.File{
					Path:  "/path/to/deployment.yaml",
					Index: 0,
				},
			}},
		}
		rl.Result = err
		return err
	})
	out := new(bytes.Buffer)
	source := &kio.ByteReadWriter{Reader: bytes.NewBufferString(`
kind: ResourceList
apiVersion: config.kubernetes.io/v1alpha1
items:
- kind: Deployment
  apiVersion: v1
  metadata:
    name: tester
    namespace: default
  spec:
    replicas: 0
`), Writer: out}
	err := framework.Execute(p, source)
	assert.EqualError(t, err, "[error] v1/Deployment/default/tester .spec."+
		"Replicas: bad value for replicas")
	assert.Equal(t, 1, err.(*framework.Result).ExitCode())
	assert.Equal(t, `apiVersion: config.kubernetes.io/v1alpha1
kind: ResourceList
items:
- kind: Deployment
  apiVersion: v1
  metadata:
    name: tester
    namespace: default
  spec:
    replicas: 0
results:
  name: Incompatible config
  items:
  - message: bad value for replicas
    severity: error
    resourceRef:
      apiVersion: v1
      kind: Deployment
      metadata:
        name: tester
        namespace: default
    field:
      path: .spec.Replicas
      currentValue: "0"
      suggestedValue: "3"
    file:
      path: /path/to/deployment.yaml`, strings.TrimSpace(out.String()))
}