/
main_test.go
251 lines (241 loc) · 5.67 KB
/
main_test.go
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// Copyright 2019 The Kubernetes Authors.
// SPDX-License-Identifier: Apache-2.0
// Package main implements adding an Application CR to a group of resources and
// is run with `kustomize fn run -- DIR/`.
package main
import (
"bytes"
"io"
"io/ioutil"
"os"
"testing"
)
var input = `apiVersion: config.kubernetes.io/v1
kind: ResourceList
items:
- apiVersion: v1
kind: ConfigMap
metadata:
name: the-map
annotations:
config.kubernetes.io/index: '0'
config.kubernetes.io/path: 'example.yaml'
data:
altGreeting: "Good Morning!"
enableRisky: "false"
- apiVersion: apps/v1
kind: Deployment
metadata:
name: the-deployment
annotations:
config.kubernetes.io/index: '1'
config.kubernetes.io/path: 'example.yaml'
spec:
replicas: 3
template:
metadata:
labels:
deployment: hello
spec:
containers:
- name: the-container
image: monopole/hello:1
command: ["/hello", "--port=8080", "--enableRiskyFeature=$(ENABLE_RISKY)"]
ports:
- containerPort: 8080
env:
- name: ALT_GREETING
valueFrom:
configMapKeyRef:
name: the-map
key: altGreeting
- name: ENABLE_RISKY
valueFrom:
configMapKeyRef:
name: the-map
key: enableRisky
- kind: Service
apiVersion: v1
metadata:
name: the-service
annotations:
config.kubernetes.io/index: '2'
config.kubernetes.io/path: 'example.yaml'
spec:
selector:
deployment: hello
type: LoadBalancer
ports:
- protocol: TCP
port: 8666
targetPort: 8080
functionConfig:
# Copyright 2019 The Kubernetes Authors.
# SPDX-License-Identifier: Apache-2.0
apiVersion: examples.config.kubernetes.io/v1beta1
kind: CreateApp
spec:
managedBy: jingfang
name: example-app
namespace: example-namespace
descriptor:
links:
- description: About
url: https://worldpress.org/
- description: web server dashboard
url: https://metrics/internal/worldpress-01/web-app
`
var output = `apiVersion: config.kubernetes.io/v1
kind: ResourceList
items:
- apiVersion: v1
kind: ConfigMap
metadata:
name: the-map
annotations:
config.kubernetes.io/index: '0'
config.kubernetes.io/path: 'example.yaml'
labels:
app.kubernetes.io/name: 'example-app'
data:
altGreeting: "Good Morning!"
enableRisky: "false"
- apiVersion: apps/v1
kind: Deployment
metadata:
name: the-deployment
annotations:
config.kubernetes.io/index: '1'
config.kubernetes.io/path: 'example.yaml'
labels:
app.kubernetes.io/name: 'example-app'
spec:
replicas: 3
template:
metadata:
labels:
deployment: hello
spec:
containers:
- name: the-container
image: monopole/hello:1
command: ["/hello", "--port=8080", "--enableRiskyFeature=$(ENABLE_RISKY)"]
ports:
- containerPort: 8080
env:
- name: ALT_GREETING
valueFrom:
configMapKeyRef:
name: the-map
key: altGreeting
- name: ENABLE_RISKY
valueFrom:
configMapKeyRef:
name: the-map
key: enableRisky
- kind: Service
apiVersion: v1
metadata:
name: the-service
annotations:
config.kubernetes.io/index: '2'
config.kubernetes.io/path: 'example.yaml'
labels:
app.kubernetes.io/name: 'example-app'
spec:
selector:
deployment: hello
type: LoadBalancer
ports:
- protocol: TCP
port: 8666
targetPort: 8080
- apiVersion: app.k8s.io/v1beta1
kind: Application
metadata:
annotations:
app.kubernetes.io/managed-by: jingfang
creationTimestamp: null
labels:
app.kubernetes.io/name: example-app
name: example-app
namespace: example-namespace
spec:
componentKinds:
- group: ""
kind: ConfigMap
- group: apps
kind: Deployment
- group: ""
kind: Service
descriptor:
links:
- description: About
url: https://worldpress.org/
- description: web server dashboard
url: https://metrics/internal/worldpress-01/web-app
selector:
matchLabels:
app.kubernetes.io/name: example-app
status: {}
functionConfig:
# Copyright 2019 The Kubernetes Authors.
# SPDX-License-Identifier: Apache-2.0
apiVersion: examples.config.kubernetes.io/v1beta1
kind: CreateApp
spec:
managedBy: jingfang
name: example-app
namespace: example-namespace
descriptor:
links:
- description: About
url: https://worldpress.org/
- description: web server dashboard
url: https://metrics/internal/worldpress-01/web-app
`
func Test(t *testing.T) {
oldStdin := os.Stdin
oldStdout := os.Stdout
defer func() {
os.Stdin = oldStdin
os.Stdout = oldStdout
}()
r, w, _ := os.Pipe()
os.Stdout = w
outC := make(chan string)
go func() {
var buf bytes.Buffer
_, err := io.Copy(&buf, r)
if err != nil {
outC <- ""
}
outC <- buf.String()
}()
tmpfile, err := ioutil.TempFile("", "test-input")
if err != nil {
t.Fatal(err)
}
defer os.Remove(tmpfile.Name()) // noerrcheck
if _, err := tmpfile.Write([]byte(input)); err != nil {
t.Fatal(err)
}
if _, err := tmpfile.Seek(0, 0); err != nil {
t.Fatal(err)
}
os.Stdin = tmpfile
err = appCR()
if err != nil {
t.Fatal(err)
}
if err := tmpfile.Close(); err != nil {
t.Fatal(err)
}
if err := w.Close(); err != nil {
t.Fatal(err)
}
out := <-outC
if out != output {
t.Fatalf("expected %s\nbut got %s\n", output, out)
}
}