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kubectl/pkg/cmd/create/create_configmap_test.go

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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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