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429 lines
9.3 KiB
429 lines
9.3 KiB
package env
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import (
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"os"
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"path/filepath"
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"reflect"
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"testing"
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"github.com/go-kratos/kratos/v2/config"
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"github.com/go-kratos/kratos/v2/config/file"
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)
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const _testJSON = `
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{
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"test":{
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"server":{
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"name":"${SERVICE_NAME}",
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"addr":"${ADDR:127.0.0.1}",
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"port":"${PORT:8080}"
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}
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},
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"foo":[
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{
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"name":"Tom",
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"age":"${AGE}"
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}
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]
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}`
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func TestEnvWithPrefix(t *testing.T) {
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var (
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path = filepath.Join(t.TempDir(), "test_config")
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filename = filepath.Join(path, "test.json")
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data = []byte(_testJSON)
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)
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defer os.Remove(path)
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if err := os.MkdirAll(path, 0o700); err != nil {
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t.Error(err)
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}
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if err := os.WriteFile(filename, data, 0o666); err != nil {
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t.Error(err)
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}
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// set env
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prefix1, prefix2 := "KRATOS_", "FOO"
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envs := map[string]string{
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prefix1 + "SERVICE_NAME": "kratos_app",
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prefix2 + "ADDR": "192.168.0.1",
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prefix1 + "AGE": "20",
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// only prefix
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prefix2: "foo",
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prefix2 + "_": "foo_",
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}
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for k, v := range envs {
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os.Setenv(k, v)
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}
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c := config.New(config.WithSource(
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file.NewSource(path),
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NewSource(prefix1, prefix2),
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))
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if err := c.Load(); err != nil {
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t.Fatal(err)
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}
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tests := []struct {
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name string
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path string
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expect interface{}
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}{
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{
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name: "test $KEY",
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path: "test.server.name",
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expect: "kratos_app",
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},
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{
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name: "test ${KEY:DEFAULT} without default",
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path: "test.server.addr",
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expect: "192.168.0.1",
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},
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{
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name: "test ${KEY:DEFAULT} with default",
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path: "test.server.port",
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expect: "8080",
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},
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{
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name: "test ${KEY} in array",
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path: "foo",
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expect: []interface{}{
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map[string]interface{}{
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"name": "Tom",
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"age": "20",
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},
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},
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},
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}
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for _, test := range tests {
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t.Run(test.name, func(t *testing.T) {
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var err error
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v := c.Value(test.path)
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if v.Load() != nil {
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var actual interface{}
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switch test.expect.(type) {
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case int:
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if actual, err = v.Int(); err == nil {
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if !reflect.DeepEqual(test.expect.(int), int(actual.(int64))) {
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t.Errorf("expect %v, actual %v", test.expect, actual)
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}
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}
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case string:
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if actual, err = v.String(); err == nil {
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if !reflect.DeepEqual(test.expect.(string), actual.(string)) {
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t.Errorf(`expect %v, actual %v`, test.expect, actual)
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}
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}
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case bool:
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if actual, err = v.Bool(); err == nil {
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if !reflect.DeepEqual(test.expect.(bool), actual.(bool)) {
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t.Errorf(`expect %v, actual %v`, test.expect, actual)
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}
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}
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case float64:
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if actual, err = v.Float(); err == nil {
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if !reflect.DeepEqual(test.expect.(float64), actual.(float64)) {
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t.Errorf(`expect %v, actual %v`, test.expect, actual)
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}
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}
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default:
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actual = v.Load()
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if !reflect.DeepEqual(test.expect, actual) {
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t.Logf("\nexpect: %#v\nactural: %#v", test.expect, actual)
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t.Fail()
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}
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}
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if err != nil {
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t.Error(err)
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}
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} else {
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t.Error("value path not found")
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}
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})
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}
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}
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func TestEnvWithoutPrefix(t *testing.T) {
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var (
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path = filepath.Join(t.TempDir(), "test_config")
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filename = filepath.Join(path, "test.json")
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data = []byte(_testJSON)
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)
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defer os.Remove(path)
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if err := os.MkdirAll(path, 0o700); err != nil {
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t.Error(err)
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}
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if err := os.WriteFile(filename, data, 0o666); err != nil {
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t.Error(err)
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}
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// set env
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envs := map[string]string{
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"SERVICE_NAME": "kratos_app",
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"ADDR": "192.168.0.1",
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"AGE": "20",
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}
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for k, v := range envs {
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os.Setenv(k, v)
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}
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c := config.New(config.WithSource(
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NewSource(),
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file.NewSource(path),
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))
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if err := c.Load(); err != nil {
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t.Fatal(err)
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}
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tests := []struct {
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name string
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path string
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expect interface{}
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}{
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{
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name: "test $KEY",
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path: "test.server.name",
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expect: "kratos_app",
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},
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{
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name: "test ${KEY:DEFAULT} without default",
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path: "test.server.addr",
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expect: "192.168.0.1",
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},
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{
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name: "test ${KEY:DEFAULT} with default",
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path: "test.server.port",
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expect: "8080",
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},
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{
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name: "test ${KEY} in array",
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path: "foo",
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expect: []interface{}{
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map[string]interface{}{
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"name": "Tom",
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"age": "20",
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},
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},
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},
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}
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for _, test := range tests {
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t.Run(test.name, func(t *testing.T) {
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var err error
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v := c.Value(test.path)
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if v.Load() != nil {
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var actual interface{}
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switch test.expect.(type) {
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case int:
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if actual, err = v.Int(); err == nil {
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if !reflect.DeepEqual(test.expect.(int), int(actual.(int64))) {
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t.Errorf("expect %v, actual %v", test.expect, actual)
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}
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}
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case string:
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if actual, err = v.String(); err == nil {
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if !reflect.DeepEqual(test.expect.(string), actual.(string)) {
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t.Errorf(`expect %v, actual %v`, test.expect, actual)
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}
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}
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case bool:
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if actual, err = v.Bool(); err == nil {
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if !reflect.DeepEqual(test.expect.(bool), actual.(bool)) {
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t.Errorf(`expect %v, actual %v`, test.expect, actual)
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}
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}
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case float64:
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if actual, err = v.Float(); err == nil {
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if !reflect.DeepEqual(test.expect.(float64), actual.(float64)) {
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t.Errorf(`expect %v, actual %v`, test.expect, actual)
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}
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}
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default:
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actual = v.Load()
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if !reflect.DeepEqual(test.expect, actual) {
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t.Logf("\nexpect: %#v\nactural: %#v", test.expect, actual)
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t.Fail()
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}
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}
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if err != nil {
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t.Error(err)
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}
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} else {
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t.Error("value path not found")
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}
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})
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}
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}
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func Test_env_load(t *testing.T) {
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type fields struct {
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prefixes []string
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}
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type args struct {
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envStrings []string
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}
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tests := []struct {
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name string
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fields fields
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args args
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want []*config.KeyValue
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}{
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{
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name: "without prefixes",
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fields: fields{
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prefixes: nil,
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},
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args: args{
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envStrings: []string{
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"SERVICE_NAME=kratos_app",
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"ADDR=192.168.0.1",
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"AGE=20",
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},
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},
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want: []*config.KeyValue{
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{Key: "SERVICE_NAME", Value: []byte("kratos_app"), Format: ""},
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{Key: "ADDR", Value: []byte("192.168.0.1"), Format: ""},
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{Key: "AGE", Value: []byte("20"), Format: ""},
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},
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},
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{
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name: "empty prefix",
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fields: fields{
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prefixes: []string{""},
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},
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args: args{
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envStrings: []string{
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"__SERVICE_NAME=kratos_app",
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"__ADDR=192.168.0.1",
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"__AGE=20",
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},
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},
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want: []*config.KeyValue{
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{Key: "_SERVICE_NAME", Value: []byte("kratos_app"), Format: ""},
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{Key: "_ADDR", Value: []byte("192.168.0.1"), Format: ""},
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{Key: "_AGE", Value: []byte("20"), Format: ""},
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},
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},
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{
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name: "underscore prefix",
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fields: fields{
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prefixes: []string{"_"},
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},
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args: args{
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envStrings: []string{
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"__SERVICE_NAME=kratos_app",
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"__ADDR=192.168.0.1",
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"__AGE=20",
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},
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},
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want: []*config.KeyValue{
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{Key: "SERVICE_NAME", Value: []byte("kratos_app"), Format: ""},
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{Key: "ADDR", Value: []byte("192.168.0.1"), Format: ""},
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{Key: "AGE", Value: []byte("20"), Format: ""},
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},
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},
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{
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name: "with prefixes",
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fields: fields{
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prefixes: []string{"KRATOS_", "FOO"},
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},
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args: args{
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envStrings: []string{
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"KRATOS_SERVICE_NAME=kratos_app",
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"KRATOS_ADDR=192.168.0.1",
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"FOO_AGE=20",
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},
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},
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want: []*config.KeyValue{
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{Key: "SERVICE_NAME", Value: []byte("kratos_app"), Format: ""},
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{Key: "ADDR", Value: []byte("192.168.0.1"), Format: ""},
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{Key: "AGE", Value: []byte("20"), Format: ""},
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},
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},
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{
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name: "should not panic #1",
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fields: fields{
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prefixes: []string{"FOO"},
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},
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args: args{
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envStrings: []string{
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"FOO=123",
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},
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},
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want: nil,
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},
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{
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name: "should not panic #2",
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fields: fields{
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prefixes: []string{"FOO=1"},
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},
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args: args{
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envStrings: []string{
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"FOO=123",
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},
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},
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want: nil,
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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e := &env{
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prefixes: tt.fields.prefixes,
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}
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got := e.load(tt.args.envStrings)
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if !reflect.DeepEqual(tt.want, got) {
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t.Errorf("env.load() = %v, want %v", got, tt.want)
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}
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})
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}
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}
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func Test_matchPrefix(t *testing.T) {
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type args struct {
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prefixes []string
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s string
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}
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tests := []struct {
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name string
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args args
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want string
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wantOk bool
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}{
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{args: args{prefixes: nil, s: "foo=123"}, want: "", wantOk: false},
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{args: args{prefixes: []string{""}, s: "foo=123"}, want: "", wantOk: true},
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{args: args{prefixes: []string{"foo"}, s: "foo=123"}, want: "foo", wantOk: true},
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{args: args{prefixes: []string{"foo=1"}, s: "foo=123"}, want: "foo=1", wantOk: true},
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{args: args{prefixes: []string{"foo=1234"}, s: "foo=123"}, want: "", wantOk: false},
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{args: args{prefixes: []string{"bar"}, s: "foo=123"}, want: "", wantOk: false},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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got, gotOk := matchPrefix(tt.args.prefixes, tt.args.s)
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if got != tt.want {
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t.Errorf("matchPrefix() got = %v, want %v", got, tt.want)
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}
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if gotOk != tt.wantOk {
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t.Errorf("matchPrefix() gotOk = %v, wantOk %v", gotOk, tt.wantOk)
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}
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})
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}
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}
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func Test_env_watch(t *testing.T) {
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prefixes := []string{"BAR", "FOO"}
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source := NewSource(prefixes...)
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w, err := source.Watch()
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if err != nil {
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t.Errorf("expect no err, got %v", err)
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}
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_ = w.Stop()
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}
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