forked from jinzhu/configor
/
configor_test.go
236 lines (208 loc) · 6.08 KB
/
configor_test.go
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package configor_test
import (
"encoding/json"
"io/ioutil"
"os"
"reflect"
"testing"
"gopkg.in/yaml.v2"
"github.com/jinzhu/configor"
)
type Config struct {
APPName string `default:"configor"`
DB struct {
Name string
User string `default:"root"`
Password string `required:"true" env:"DBPassword"`
Port uint `default:"3306"`
}
Contacts []struct {
Name string
Email string `required:"true"`
}
}
func generateDefaultConfig() Config {
config := Config{
APPName: "configor",
DB: struct {
Name string
User string `default:"root"`
Password string `required:"true" env:"DBPassword"`
Port uint `default:"3306"`
}{
Name: "configor",
User: "configor",
Password: "configor",
Port: 3306,
},
Contacts: []struct {
Name string
Email string `required:"true"`
}{
{
Name: "Jinzhu",
Email: "wosmvp@gmail.com",
},
},
}
return config
}
func TestLoadNormalConfig(t *testing.T) {
config := generateDefaultConfig()
if bytes, err := json.Marshal(config); err == nil {
if file, err := ioutil.TempFile("/tmp", "configor"); err == nil {
defer file.Close()
file.Write(bytes)
var result Config
configor.Load(&result, file.Name())
if !reflect.DeepEqual(result, config) {
t.Errorf("result should equal to original configuration")
}
}
} else {
t.Errorf("failed to marshal config")
}
}
func TestDefaultValue(t *testing.T) {
config := generateDefaultConfig()
config.APPName = ""
config.DB.Port = 0
if bytes, err := json.Marshal(config); err == nil {
if file, err := ioutil.TempFile("/tmp", "configor"); err == nil {
defer file.Close()
file.Write(bytes)
var result Config
configor.Load(&result, file.Name())
if !reflect.DeepEqual(result, generateDefaultConfig()) {
t.Errorf("result should be set default value correctly")
}
}
} else {
t.Errorf("failed to marshal config")
}
}
func TestMissingRequiredValue(t *testing.T) {
config := generateDefaultConfig()
config.DB.Password = ""
if bytes, err := json.Marshal(config); err == nil {
if file, err := ioutil.TempFile("/tmp", "configor"); err == nil {
defer file.Close()
file.Write(bytes)
var result Config
if err := configor.Load(&result, file.Name()); err == nil {
t.Errorf("Should got error when load configuration missing db password")
}
}
} else {
t.Errorf("failed to marshal config")
}
}
func TestLoadConfigurationByEnvironment(t *testing.T) {
config := generateDefaultConfig()
config2 := struct {
APPName string
}{
APPName: "config2",
}
if file, err := ioutil.TempFile("/tmp", "configor"); err == nil {
defer file.Close()
configBytes, _ := yaml.Marshal(config)
config2Bytes, _ := yaml.Marshal(config2)
ioutil.WriteFile(file.Name()+".yaml", configBytes, 0644)
ioutil.WriteFile(file.Name()+".production.yaml", config2Bytes, 0644)
var result Config
os.Setenv("CONFIGOR_ENV", "production")
if err := configor.Load(&result, file.Name()+".yaml"); err != nil {
t.Errorf("No error should happen when load configurations, but got %v", err)
}
var defaultConfig = generateDefaultConfig()
defaultConfig.APPName = "config2"
if !reflect.DeepEqual(result, defaultConfig) {
t.Errorf("result should be load configurations by environment correctly")
}
}
}
func TestOverwriteConfigurationWithEnvironmentWithDefaultPrefix(t *testing.T) {
config := generateDefaultConfig()
if bytes, err := json.Marshal(config); err == nil {
if file, err := ioutil.TempFile("/tmp", "configor"); err == nil {
defer file.Close()
file.Write(bytes)
var result Config
os.Setenv("CONFIGOR_APPNAME", "config2")
os.Setenv("CONFIGOR_DB_NAME", "db_name")
configor.Load(&result, file.Name())
os.Setenv("CONFIGOR_APPNAME", "")
os.Setenv("CONFIGOR_DB_NAME", "")
var defaultConfig = generateDefaultConfig()
defaultConfig.APPName = "config2"
defaultConfig.DB.Name = "db_name"
if !reflect.DeepEqual(result, defaultConfig) {
t.Errorf("result should equal to original configuration")
}
}
}
}
func TestOverwriteConfigurationWithEnvironment(t *testing.T) {
config := generateDefaultConfig()
if bytes, err := json.Marshal(config); err == nil {
if file, err := ioutil.TempFile("/tmp", "configor"); err == nil {
defer file.Close()
file.Write(bytes)
var result Config
os.Setenv("CONFIGOR_ENV_PREFIX", "app")
os.Setenv("APP_APPNAME", "config2")
os.Setenv("APP_DB_NAME", "db_name")
configor.Load(&result, file.Name())
os.Setenv("CONFIGOR_ENV_PREFIX", "")
os.Setenv("APP_APPNAME", "")
os.Setenv("APP_DB_NAME", "")
var defaultConfig = generateDefaultConfig()
defaultConfig.APPName = "config2"
defaultConfig.DB.Name = "db_name"
if !reflect.DeepEqual(result, defaultConfig) {
t.Errorf("result should equal to original configuration")
}
}
}
}
func TestResetPrefixToBlank(t *testing.T) {
config := generateDefaultConfig()
if bytes, err := json.Marshal(config); err == nil {
if file, err := ioutil.TempFile("/tmp", "configor"); err == nil {
defer file.Close()
file.Write(bytes)
var result Config
os.Setenv("CONFIGOR_ENV_PREFIX", "-")
os.Setenv("APPNAME", "config2")
os.Setenv("DB_NAME", "db_name")
configor.Load(&result, file.Name())
os.Setenv("CONFIGOR_ENV_PREFIX", "")
os.Setenv("APPNAME", "")
os.Setenv("DB_NAME", "")
var defaultConfig = generateDefaultConfig()
defaultConfig.APPName = "config2"
defaultConfig.DB.Name = "db_name"
if !reflect.DeepEqual(result, defaultConfig) {
t.Errorf("result should equal to original configuration")
}
}
}
}
func TestReadFromEnvironmentWithSpecifiedEnvName(t *testing.T) {
config := generateDefaultConfig()
if bytes, err := json.Marshal(config); err == nil {
if file, err := ioutil.TempFile("/tmp", "configor"); err == nil {
defer file.Close()
file.Write(bytes)
var result Config
os.Setenv("DBPassword", "db_password")
configor.Load(&result, file.Name())
var defaultConfig = generateDefaultConfig()
defaultConfig.DB.Password = "db_password"
if !reflect.DeepEqual(result, defaultConfig) {
t.Errorf("result should equal to original configuration")
}
}
}
}