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kubectl/pkg/cmd/create/create_configmap_test.go
Chok Yip Lau 31e15a5c73 Remove dependency of generators from create configmap 
Kubernetes-commit: 838b189130e1a7f19b11a0764f15df1c8de32769
2021-01-10 18:47:32 -05:00

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/*
Copyright 2016 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 create
import (
"io/ioutil"
"os"
"testing"
corev1 "k8s.io/api/core/v1"
apiequality "k8s.io/apimachinery/pkg/api/equality"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
)
func TestCreateConfigMap(t *testing.T) {
tests := map[string]struct {
configMapName string
configMapType string
appendHash bool
fromLiteral []string
fromFile []string
fromEnvFile string
setup func(t *testing.T, configMapOptions *ConfigMapOptions) func()
expected *corev1.ConfigMap
expectErr bool
}{
"create_foo_configmap": {
configMapName: "foo",
expected: &corev1.ConfigMap{
TypeMeta: metav1.TypeMeta{
APIVersion: corev1.SchemeGroupVersion.String(),
Kind: "ConfigMap",
},
ObjectMeta: metav1.ObjectMeta{
Name: "foo",
},
Data: map[string]string{},
BinaryData: map[string][]byte{},
},
expectErr: false,
},
"create_foo_hash_configmap": {
configMapName: "foo",
appendHash: true,
expected: &corev1.ConfigMap{
TypeMeta: metav1.TypeMeta{
APIVersion: corev1.SchemeGroupVersion.String(),
Kind: "ConfigMap",
},
ObjectMeta: metav1.ObjectMeta{
Name: "foo-867km9574f",
},
Data: map[string]string{},
BinaryData: map[string][]byte{},
},
expectErr: false,
},
"create_foo_type_configmap": {
configMapName: "foo",
configMapType: "my-type",
expected: &corev1.ConfigMap{
TypeMeta: metav1.TypeMeta{
APIVersion: corev1.SchemeGroupVersion.String(),
Kind: "ConfigMap",
},
ObjectMeta: metav1.ObjectMeta{
Name: "foo",
},
Data: map[string]string{},
BinaryData: map[string][]byte{},
},
expectErr: false,
},
"create_foo_type_hash_configmap": {
configMapName: "foo",
configMapType: "my-type",
appendHash: true,
expected: &corev1.ConfigMap{
TypeMeta: metav1.TypeMeta{
APIVersion: corev1.SchemeGroupVersion.String(),
Kind: "ConfigMap",
},
ObjectMeta: metav1.ObjectMeta{
Name: "foo-867km9574f",
},
Data: map[string]string{},
BinaryData: map[string][]byte{},
},
expectErr: false,
},
"create_foo_two_literal_configmap": {
configMapName: "foo",
fromLiteral: []string{"key1=value1", "key2=value2"},
expected: &corev1.ConfigMap{
TypeMeta: metav1.TypeMeta{
APIVersion: corev1.SchemeGroupVersion.String(),
Kind: "ConfigMap",
},
ObjectMeta: metav1.ObjectMeta{
Name: "foo",
},
Data: map[string]string{
"key1": "value1",
"key2": "value2",
},
BinaryData: map[string][]byte{},
},
expectErr: false,
},
"create_foo_two_literal_hash_configmap": {
configMapName: "foo",
fromLiteral: []string{"key1=value1", "key2=value2"},
appendHash: true,
expected: &corev1.ConfigMap{
TypeMeta: metav1.TypeMeta{
APIVersion: corev1.SchemeGroupVersion.String(),
Kind: "ConfigMap",
},
ObjectMeta: metav1.ObjectMeta{
Name: "foo-gcb75dd9gb",
},
Data: map[string]string{
"key1": "value1",
"key2": "value2",
},
BinaryData: map[string][]byte{},
},
expectErr: false,
},
"create_foo_key1_=value1_configmap": {
configMapName: "foo",
fromLiteral: []string{"key1==value1"},
expected: &corev1.ConfigMap{
TypeMeta: metav1.TypeMeta{
APIVersion: corev1.SchemeGroupVersion.String(),
Kind: "ConfigMap",
},
ObjectMeta: metav1.ObjectMeta{
Name: "foo",
},
Data: map[string]string{
"key1": "=value1",
},
BinaryData: map[string][]byte{},
},
expectErr: false,
},
"create_foo_key1_=value1_hash_configmap": {
configMapName: "foo",
fromLiteral: []string{"key1==value1"},
appendHash: true,
expected: &corev1.ConfigMap{
TypeMeta: metav1.TypeMeta{
APIVersion: corev1.SchemeGroupVersion.String(),
Kind: "ConfigMap",
},
ObjectMeta: metav1.ObjectMeta{
Name: "foo-bdgk9ttt7m",
},
Data: map[string]string{
"key1": "=value1",
},
BinaryData: map[string][]byte{},
},
expectErr: false,
},
"create_foo_from_file_foo1_foo2_configmap": {
configMapName: "foo",
setup: setupBinaryFile([]byte{0x68, 0x65, 0x6c, 0x6c, 0x6f, 0x20, 0x77, 0x6f, 0x72, 0x6c, 0x64}, "foo1", "foo2"),
fromFile: []string{"foo1", "foo2"},
expected: &corev1.ConfigMap{
TypeMeta: metav1.TypeMeta{
APIVersion: corev1.SchemeGroupVersion.String(),
Kind: "ConfigMap",
},
ObjectMeta: metav1.ObjectMeta{
Name: "foo",
},
Data: map[string]string{
"foo1": "hello world",
"foo2": "hello world",
},
BinaryData: map[string][]byte{},
},
expectErr: false,
},
"create_foo_from_file_foo1_foo2_and_configmap": {
configMapName: "foo",
setup: setupBinaryFile([]byte{0xff, 0xfd}, "foo1", "foo2"),
fromFile: []string{"foo1", "foo2"},
expected: &corev1.ConfigMap{
TypeMeta: metav1.TypeMeta{
APIVersion: corev1.SchemeGroupVersion.String(),
Kind: "ConfigMap",
},
ObjectMeta: metav1.ObjectMeta{
Name: "foo",
},
Data: map[string]string{},
BinaryData: map[string][]byte{
"foo1": {0xff, 0xfd},
"foo2": {0xff, 0xfd},
},
},
expectErr: false,
},
"create_valid_env_from_env_file_configmap": {
configMapName: "valid_env",
setup: setupEnvFile("key1=value1", "#", "", "key2=value2"),
fromEnvFile: "file.env",
expected: &corev1.ConfigMap{
TypeMeta: metav1.TypeMeta{
APIVersion: corev1.SchemeGroupVersion.String(),
Kind: "ConfigMap",
},
ObjectMeta: metav1.ObjectMeta{
Name: "valid_env",
},
Data: map[string]string{
"key1": "value1",
"key2": "value2",
},
BinaryData: map[string][]byte{},
},
expectErr: false,
},
"create_valid_env_from_env_file_hash_configmap": {
configMapName: "valid_env",
setup: setupEnvFile("key1=value1", "#", "", "key2=value2"),
fromEnvFile: "file.env",
appendHash: true,
expected: &corev1.ConfigMap{
TypeMeta: metav1.TypeMeta{
APIVersion: corev1.SchemeGroupVersion.String(),
Kind: "ConfigMap",
},
ObjectMeta: metav1.ObjectMeta{
Name: "valid_env-2cgh8552ch",
},
Data: map[string]string{
"key1": "value1",
"key2": "value2",
},
BinaryData: map[string][]byte{},
},
expectErr: false,
},
"create_get_env_from_env_file_configmap": {
configMapName: "get_env",
setup: func() func(t *testing.T, configMapOptions *ConfigMapOptions) func() {
os.Setenv("g_key1", "1")
os.Setenv("g_key2", "2")
return setupEnvFile("g_key1", "g_key2=")
}(),
fromEnvFile: "file.env",
expected: &corev1.ConfigMap{
TypeMeta: metav1.TypeMeta{
APIVersion: corev1.SchemeGroupVersion.String(),
Kind: "ConfigMap",
},
ObjectMeta: metav1.ObjectMeta{
Name: "get_env",
},
Data: map[string]string{
"g_key1": "1",
"g_key2": "",
},
BinaryData: map[string][]byte{},
},
expectErr: false,
},
"create_get_env_from_env_file_hash_configmap": {
configMapName: "get_env",
setup: func() func(t *testing.T, configMapOptions *ConfigMapOptions) func() {
os.Setenv("g_key1", "1")
os.Setenv("g_key2", "2")
return setupEnvFile("g_key1", "g_key2=")
}(),
fromEnvFile: "file.env",
appendHash: true,
expected: &corev1.ConfigMap{
TypeMeta: metav1.TypeMeta{
APIVersion: corev1.SchemeGroupVersion.String(),
Kind: "ConfigMap",
},
ObjectMeta: metav1.ObjectMeta{
Name: "get_env-54k882kkd2",
},
Data: map[string]string{
"g_key1": "1",
"g_key2": "",
},
BinaryData: map[string][]byte{},
},
expectErr: false,
},
"create_value_with_space_from_env_file_configmap": {
configMapName: "value_with_space",
setup: setupEnvFile("key1= value1"),
fromEnvFile: "file.env",
expected: &corev1.ConfigMap{
TypeMeta: metav1.TypeMeta{
APIVersion: corev1.SchemeGroupVersion.String(),
Kind: "ConfigMap",
},
ObjectMeta: metav1.ObjectMeta{
Name: "value_with_space",
},
Data: map[string]string{
"key1": " value1",
},
BinaryData: map[string][]byte{},
},
expectErr: false,
},
"create_value_with_space_from_env_file_hash_configmap": {
configMapName: "valid_with_space",
setup: setupEnvFile("key1= value1"),
fromEnvFile: "file.env",
appendHash: true,
expected: &corev1.ConfigMap{
TypeMeta: metav1.TypeMeta{
APIVersion: corev1.SchemeGroupVersion.String(),
Kind: "ConfigMap",
},
ObjectMeta: metav1.ObjectMeta{
Name: "valid_with_space-b4448m7gdm",
},
Data: map[string]string{
"key1": " value1",
},
BinaryData: map[string][]byte{},
},
expectErr: false,
},
"create_invalid_configmap_filepath_contains_=": {
configMapName: "foo",
fromFile: []string{"key1=/file=2"},
expectErr: true,
},
"create_invalid_configmap_filepath_key_contains_=": {
configMapName: "foo",
fromFile: []string{"=key=/file1"},
expectErr: true,
},
"create_invalid_configmap_literal_key_contains_=": {
configMapName: "foo",
fromFile: []string{"=key=value1"},
expectErr: true,
},
"create_invalid_configmap_duplicate_key1": {
configMapName: "foo",
fromLiteral: []string{"key1=value1", "key1=value2"},
expectErr: true,
},
"create_invalid_configmap_no_file": {
configMapName: "foo",
fromFile: []string{"key1=/file1"},
expectErr: true,
},
"create_invalid_configmap_invalid_literal": {
configMapName: "foo",
fromLiteral: []string{"key1value1"},
expectErr: true,
},
"create_invalid_configmap_invalid_filepath": {
configMapName: "foo",
fromFile: []string{"key1==file1"},
expectErr: true,
},
"create_invalid_configmap_too_many_args": {
configMapName: "too_many_args",
fromFile: []string{"key1=/file1"},
fromEnvFile: "foo",
expectErr: true,
},
"create_invalid_configmap_too_many_args_1": {
configMapName: "too_many_args_1",
fromLiteral: []string{"key1=value1"},
fromEnvFile: "foo",
expectErr: true,
},
}
// run all the tests
for name, test := range tests {
t.Run(name, func(t *testing.T) {
configMapOptions := ConfigMapOptions{
Name: test.configMapName,
Type: test.configMapType,
AppendHash: test.appendHash,
FileSources: test.fromFile,
LiteralSources: test.fromLiteral,
EnvFileSource: test.fromEnvFile,
}
if test.setup != nil {
if teardown := test.setup(t, &configMapOptions); teardown != nil {
defer teardown()
}
}
configMap, err := configMapOptions.createConfigMap()
if !test.expectErr && err != nil {
t.Errorf("test %s, unexpected error: %v", name, err)
}
if test.expectErr && err == nil {
t.Errorf("test %s was expecting an error but no error occurred", name)
}
if !apiequality.Semantic.DeepEqual(configMap, test.expected) {
t.Errorf("test %s expected:\n%#v\ngot:\n%#v", name, test.expected, configMap)
}
})
}
}
func setupEnvFile(lines ...string) func(*testing.T, *ConfigMapOptions) func() {
return func(t *testing.T, configMapOptions *ConfigMapOptions) func() {
f, err := ioutil.TempFile("", "cme")
if err != nil {
t.Errorf("unexpected error: %v", err)
}
for _, l := range lines {
f.WriteString(l)
f.WriteString("\r\n")
}
f.Close()
configMapOptions.EnvFileSource = f.Name()
return func() {
os.Remove(f.Name())
}
}
}
func setupBinaryFile(data []byte, files ...string) func(*testing.T, *ConfigMapOptions) func() {
return func(t *testing.T, configMapOptions *ConfigMapOptions) func() {
tmp, _ := ioutil.TempDir("", "")
for i, file := range files {
f := tmp + "/" + file
ioutil.WriteFile(f, data, 0644)
configMapOptions.FileSources[i] = f
}
return func() {
for _, file := range files {
f := tmp + "/" + file
os.Remove(f)
}
}
}
}
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