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// Copyright 2020 The Kubernetes Authors.
// SPDX-License-Identifier: Apache-2.0
package generators_test
import (
"path/filepath"
"testing"
"github.com/stretchr/testify/assert"
. "sigs.k8s.io/kustomize/api/internal/generators"
"sigs.k8s.io/kustomize/api/kv"
"sigs.k8s.io/kustomize/api/pkg/loader"
valtest_test "sigs.k8s.io/kustomize/api/testutils/valtest"
"sigs.k8s.io/kustomize/api/types"
"sigs.k8s.io/kustomize/kyaml/filesys"
)
var binaryHello = []byte{
0xff, // non-utf8
0x68, // h
0x65, // e
0x6c, // l
0x6c, // l
0x6f, // o
}
func manyHellos(count int) (result []byte) {
for i := 0; i < count; i++ {
result = append(result, binaryHello...)
}
return
}
func TestMakeConfigMap(t *testing.T) {
type expected struct {
out string
errMsg string
}
testCases := map[string]struct {
args types.ConfigMapArgs
exp expected
}{
"construct config map from env": {
args: types.ConfigMapArgs{
GeneratorArgs: types.GeneratorArgs{
Name: "envConfigMap",
KvPairSources: types.KvPairSources{
EnvSources: []string{
filepath.Join("configmap", "app.env"),
},
},
},
},
exp: expected{
out: `apiVersion: v1
kind: ConfigMap
metadata:
name: envConfigMap
data:
DB_PASSWORD: qwerty
DB_USERNAME: admin
`,
},
},
"construct config map from text file": {
args: types.ConfigMapArgs{
GeneratorArgs: types.GeneratorArgs{
Name: "fileConfigMap1",
KvPairSources: types.KvPairSources{
FileSources: []string{
filepath.Join("configmap", "app-init.ini"),
},
},
},
},
exp: expected{
out: `apiVersion: v1
kind: ConfigMap
metadata:
name: fileConfigMap1
data:
app-init.ini: |
FOO=bar
BAR=baz
`,
},
},
"construct config map from text and binary file": {
args: types.ConfigMapArgs{
GeneratorArgs: types.GeneratorArgs{
Name: "fileConfigMap2",
KvPairSources: types.KvPairSources{
FileSources: []string{
filepath.Join("configmap", "app-init.ini"),
filepath.Join("configmap", "app.bin"),
},
},
},
},
exp: expected{
out: `apiVersion: v1
kind: ConfigMap
metadata:
name: fileConfigMap2
data:
app-init.ini: |
FOO=bar
BAR=baz
binaryData:
app.bin: |
/2hlbGxv/2hlbGxv/2hlbGxv/2hlbGxv/2hlbGxv/2hlbGxv/2hlbGxv/2hlbGxv/2hlbG
xv/2hlbGxv/2hlbGxv/2hlbGxv/2hlbGxv/2hlbGxv/2hlbGxv/2hlbGxv/2hlbGxv/2hl
bGxv/2hlbGxv/2hlbGxv/2hlbGxv/2hlbGxv/2hlbGxv/2hlbGxv/2hlbGxv/2hlbGxv/2
hlbGxv/2hlbGxv/2hlbGxv/2hlbGxv
`,
},
},
"construct config map from literal": {
args: types.ConfigMapArgs{
GeneratorArgs: types.GeneratorArgs{
Name: "literalConfigMap1",
KvPairSources: types.KvPairSources{
LiteralSources: []string{"a=x", "b=y", "c=\"Hello World\"", "d='true'"},
},
Options: &types.GeneratorOptions{
Labels: map[string]string{
"foo": "bar",
},
},
},
},
exp: expected{
out: `apiVersion: v1
kind: ConfigMap
metadata:
name: literalConfigMap1
labels:
foo: 'bar'
data:
a: x
b: "y"
c: Hello World
d: "true"
`,
},
},
"construct config map from literal with GeneratorOptions in ConfigMapArgs": {
args: types.ConfigMapArgs{
GeneratorArgs: types.GeneratorArgs{
Name: "literalConfigMap2",
KvPairSources: types.KvPairSources{
LiteralSources: []string{"a=x", "b=y", "c=\"Hello World\"", "d='true'"},
},
Options: &types.GeneratorOptions{
Labels: map[string]string{
"veggie": "celery",
"dog": "beagle",
"cat": "annoying",
},
Annotations: map[string]string{
"river": "Missouri",
"city": "Iowa City",
},
Immutable: true,
},
},
},
exp: expected{
out: `apiVersion: v1
kind: ConfigMap
metadata:
name: literalConfigMap2
labels:
cat: 'annoying'
dog: 'beagle'
veggie: 'celery'
annotations:
city: 'Iowa City'
river: 'Missouri'
data:
a: x
b: "y"
c: Hello World
d: "true"
immutable: true
`,
},
},
}
fSys := filesys.MakeFsInMemory()
fSys.WriteFile(
filesys.RootedPath("configmap", "app.env"),
[]byte("DB_USERNAME=admin\nDB_PASSWORD=qwerty\n"))
fSys.WriteFile(
filesys.RootedPath("configmap", "app-init.ini"),
[]byte("FOO=bar\nBAR=baz\n"))
fSys.WriteFile(
filesys.RootedPath("configmap", "app.bin"),
manyHellos(30))
kvLdr := kv.NewLoader(
loader.NewFileLoaderAtRoot(fSys),
valtest_test.MakeFakeValidator())
for n := range testCases {
tc := testCases[n]
t.Run(n, func(t *testing.T) {
rn, err := MakeConfigMap(kvLdr, &tc.args)
if err != nil {
if !assert.EqualError(t, err, tc.exp.errMsg) {
t.FailNow()
}
return
}
if tc.exp.errMsg != "" {
t.Fatalf("%s: should return error '%s'", n, tc.exp.errMsg)
}
output := rn.MustString()
if !assert.Equal(t, tc.exp.out, output) {
t.FailNow()
}
})
}
}
|
