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kubectl/pkg/generate/versioned/run_test.go

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/*
Copyright 2014 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 versioned
import (
"reflect"
"testing"
"k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
)
func TestGeneratePod(t *testing.T) {
tests := []struct {
name string
params map[string]interface{}
expected *v1.Pod
expectErr bool
}{
{
name: "test1",
params: map[string]interface{}{
"name": "foo",
"image": "someimage",
"port": "",
},
expected: &v1.Pod{
ObjectMeta: metav1.ObjectMeta{
Name: "foo",
Labels: map[string]string{"run": "foo"},
},
Spec: v1.PodSpec{
Containers: []v1.Container{
{
Name: "foo",
Image: "someimage",
},
},
DNSPolicy: v1.DNSClusterFirst,
RestartPolicy: v1.RestartPolicyAlways,
},
},
},
{
name: "test2",
params: map[string]interface{}{
"name": "foo",
"image": "someimage",
"env": []string{"a", "c"},
},
expected: nil,
expectErr: true,
},
{
name: "test3",
params: map[string]interface{}{
"name": "foo",
"image": "someimage",
"image-pull-policy": "Always",
"env": []string{"a=b", "c=d"},
},
expected: &v1.Pod{
ObjectMeta: metav1.ObjectMeta{
Name: "foo",
Labels: map[string]string{"run": "foo"},
},
Spec: v1.PodSpec{
Containers: []v1.Container{
{
Name: "foo",
Image: "someimage",
ImagePullPolicy: v1.PullAlways,
Env: []v1.EnvVar{
{
Name: "a",
Value: "b",
},
{
Name: "c",
Value: "d",
},
},
},
},
DNSPolicy: v1.DNSClusterFirst,
RestartPolicy: v1.RestartPolicyAlways,
},
},
},
{
name: "test4",
params: map[string]interface{}{
"name": "foo",
"image": "someimage",
"port": "80",
},
expected: &v1.Pod{
ObjectMeta: metav1.ObjectMeta{
Name: "foo",
Labels: map[string]string{"run": "foo"},
},
Spec: v1.PodSpec{
Containers: []v1.Container{
{
Name: "foo",
Image: "someimage",
Ports: []v1.ContainerPort{
{
ContainerPort: 80,
},
},
},
},
DNSPolicy: v1.DNSClusterFirst,
RestartPolicy: v1.RestartPolicyAlways,
},
},
},
{
name: "test5",
params: map[string]interface{}{
"name": "foo",
"image": "someimage",
"port": "80",
"hostport": "80",
},
expected: &v1.Pod{
ObjectMeta: metav1.ObjectMeta{
Name: "foo",
Labels: map[string]string{"run": "foo"},
},
Spec: v1.PodSpec{
Containers: []v1.Container{
{
Name: "foo",
Image: "someimage",
Ports: []v1.ContainerPort{
{
ContainerPort: 80,
HostPort: 80,
},
},
},
},
DNSPolicy: v1.DNSClusterFirst,
RestartPolicy: v1.RestartPolicyAlways,
},
},
},
{
name: "test6",
params: map[string]interface{}{
"name": "foo",
"image": "someimage",
"hostport": "80",
},
expected: nil,
expectErr: true,
},
{
name: "test7",
params: map[string]interface{}{
"name": "foo",
"image": "someimage",
"replicas": "1",
"labels": "foo=bar,baz=blah",
},
expected: &v1.Pod{
ObjectMeta: metav1.ObjectMeta{
Name: "foo",
Labels: map[string]string{"foo": "bar", "baz": "blah"},
},
Spec: v1.PodSpec{
Containers: []v1.Container{
{
Name: "foo",
Image: "someimage",
},
},
DNSPolicy: v1.DNSClusterFirst,
RestartPolicy: v1.RestartPolicyAlways,
},
},
},
{
name: "test8",
params: map[string]interface{}{
"name": "foo",
"image": "someimage",
"replicas": "1",
"labels": "foo=bar,baz=blah",
"stdin": "true",
},
expected: &v1.Pod{
ObjectMeta: metav1.ObjectMeta{
Name: "foo",
Labels: map[string]string{"foo": "bar", "baz": "blah"},
},
Spec: v1.PodSpec{
Containers: []v1.Container{
{
Name: "foo",
Image: "someimage",
Stdin: true,
StdinOnce: true,
},
},
DNSPolicy: v1.DNSClusterFirst,
RestartPolicy: v1.RestartPolicyAlways,
},
},
},
{
name: "test9",
params: map[string]interface{}{
"name": "foo",
"image": "someimage",
"replicas": "1",
"labels": "foo=bar,baz=blah",
"stdin": "true",
"leave-stdin-open": "true",
},
expected: &v1.Pod{
ObjectMeta: metav1.ObjectMeta{
Name: "foo",
Labels: map[string]string{"foo": "bar", "baz": "blah"},
},
Spec: v1.PodSpec{
Containers: []v1.Container{
{
Name: "foo",
Image: "someimage",
Stdin: true,
StdinOnce: false,
},
},
DNSPolicy: v1.DNSClusterFirst,
RestartPolicy: v1.RestartPolicyAlways,
},
},
},
{
name: "test10: privileged mode",
params: map[string]interface{}{
"name": "foo",
"image": "someimage",
"replicas": "1",
"privileged": "true",
},
expected: &v1.Pod{
ObjectMeta: metav1.ObjectMeta{
Name: "foo",
Labels: map[string]string{"run": "foo"},
},
Spec: v1.PodSpec{
Containers: []v1.Container{
{
Name: "foo",
Image: "someimage",
SecurityContext: securityContextWithPrivilege(true),
},
},
DNSPolicy: v1.DNSClusterFirst,
RestartPolicy: v1.RestartPolicyAlways,
},
},
},
}
generator := BasicPod{}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
obj, err := generator.Generate(tt.params)
if !tt.expectErr && err != nil {
t.Errorf("unexpected error: %v", err)
}
if tt.expectErr && err != nil {
return
}
if !reflect.DeepEqual(obj.(*v1.Pod), tt.expected) {
t.Errorf("\nexpected:\n%#v\nsaw:\n%#v", tt.expected, obj.(*v1.Pod))
}
})
}
}
func TestParseEnv(t *testing.T) {
tests := []struct {
name string
envArray []string
expected []v1.EnvVar
expectErr bool
test string
}{
{
name: "test1",
envArray: []string{
"THIS_ENV=isOK",
"this.dotted.env=isOKToo",
"HAS_COMMAS=foo,bar",
"HAS_EQUALS=jJnro54iUu75xNy==",
},
expected: []v1.EnvVar{
{
Name: "THIS_ENV",
Value: "isOK",
},
{
Name: "this.dotted.env",
Value: "isOKToo",
},
{
Name: "HAS_COMMAS",
Value: "foo,bar",
},
{
Name: "HAS_EQUALS",
Value: "jJnro54iUu75xNy==",
},
},
expectErr: false,
test: "test case 1",
},
{
name: "test2",
envArray: []string{
"WITH_OUT_EQUALS",
},
expected: []v1.EnvVar{},
expectErr: true,
test: "test case 2",
},
{
name: "test3",
envArray: []string{
"WITH_OUT_VALUES=",
},
expected: []v1.EnvVar{
{
Name: "WITH_OUT_VALUES",
Value: "",
},
},
expectErr: false,
test: "test case 3",
},
{
name: "test4",
envArray: []string{
"=WITH_OUT_NAME",
},
expected: []v1.EnvVar{},
expectErr: true,
test: "test case 4",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
envs, err := parseEnvs(tt.envArray)
if !tt.expectErr && err != nil {
t.Errorf("unexpected error: %v (%s)", err, tt.test)
}
if tt.expectErr && err != nil {
return
}
if !reflect.DeepEqual(envs, tt.expected) {
t.Errorf("\nexpected:\n%#v\nsaw:\n%#v (%s)", tt.expected, envs, tt.test)
}
})
}
}
func securityContextWithPrivilege(privileged bool) *v1.SecurityContext {
return &v1.SecurityContext{
Privileged: &privileged,
}
}
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