micro-config-env/env_test.go
Vasiliy Tolstov 3ac95bcf83 support multiple env params for single value
Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>
2022-11-26 15:38:29 +03:00

241 lines
5.8 KiB
Go

package env
import (
"context"
"os"
"testing"
"time"
"go.unistack.org/micro/v3/config"
rutil "go.unistack.org/micro/v3/util/reflect"
)
type Config struct {
StringValue string `env:"STRING_VALUE,STRING_VALUE2"`
BoolValue bool `env:"BOOL_VALUE"`
StringSlice []string `env:"STRING_SLICE"`
IntSlice []int `env:"INT_SLICE"`
MapStringValue map[string]string `env:"MAP_STRING"`
MapIntValue map[string]int `env:"MAP_INT"`
}
func TestMerge(t *testing.T) {
defer func() {
for _, v := range []string{"STRING_VALUE", "BOOL_VALUE", "STRING_SLICE", "INT_SLICE", "MAP_STRING", "MAP_INT"} {
if err := os.Unsetenv(v); err != nil {
t.Fatal(err)
}
}
}()
ctx := context.Background()
type Nested struct {
Name string `env:"NAME_VALUE"`
}
type Cfg struct {
Name string `env:"NAME_VALUE"`
Nested Nested
}
conf := &Cfg{}
cfg := NewConfig(config.Struct(conf))
if err := cfg.Init(); err != nil {
t.Fatal(err)
}
if err := cfg.Load(ctx, config.LoadOverride(true), config.LoadAppend(true)); err != nil {
t.Fatal(err)
}
w, err := cfg.Watch(ctx, config.WatchInterval(50*time.Millisecond, 500*time.Millisecond))
defer func() {
if err := w.Stop(); err != nil {
t.Fatal(err)
}
}()
if err != nil {
t.Fatal(err)
}
os.Setenv("NAME_VALUE", "after")
changes, err := w.Next()
if err != nil {
t.Fatal(err)
}
for k, v := range changes {
if err := rutil.SetFieldByPath(conf, v, k); err != nil {
t.Fatal(err)
}
}
if conf.Name != "after" || conf.Nested.Name != "after" {
t.Fatalf("changes %#+v not applied to %#+v", changes, conf)
}
}
func TestLoad(t *testing.T) {
defer func() {
for _, v := range []string{"STRING_VALUE", "STRING_VALUE2", "BOOL_VALUE", "STRING_SLICE", "INT_SLICE", "MAP_STRING", "MAP_INT"} {
if err := os.Unsetenv(v); err != nil {
t.Fatal(err)
}
}
}()
ctx := context.Background()
conf := &Config{StringValue: "before_load"}
cfg := NewConfig(config.Struct(conf))
if err := cfg.Init(); err != nil {
t.Fatal(err)
}
if err := cfg.Load(ctx, config.LoadOverride(true), config.LoadAppend(true)); err != nil {
t.Fatal(err)
}
if conf.StringValue != "before_load" {
t.Fatalf("something wrong with env config: %#+v", conf)
}
os.Setenv("STRING_VALUE", "STRING_VALUE")
os.Setenv("BOOL_VALUE", "true")
os.Setenv("STRING_SLICE", "STRING_SLICE1,STRING_SLICE2;STRING_SLICE3")
os.Setenv("INT_SLICE", "1,2,3,4,5")
os.Setenv("MAP_STRING", "key1=val1,key2=val2")
os.Setenv("MAP_INT", "key1=1,key2=2")
if err := cfg.Load(ctx, config.LoadOverride(true), config.LoadAppend(true)); err != nil {
t.Fatal(err)
}
if conf.StringValue != "STRING_VALUE" {
t.Fatalf("something wrong with env config: %#+v", conf)
}
if !conf.BoolValue {
t.Fatalf("something wrong with env config: %#+v", conf)
}
if len(conf.StringSlice) != 3 {
t.Fatalf("something wrong with env config: %#+v", conf.StringSlice)
}
if len(conf.MapStringValue) != 2 {
t.Fatalf("something wrong with env config: %#+v", conf.MapStringValue)
}
if len(conf.MapIntValue) != 2 {
t.Fatalf("something wrong with env config: %#+v", conf.MapIntValue)
}
for _, v := range []string{"STRING_VALUE", "STRING_VALUE2", "BOOL_VALUE", "STRING_SLICE", "INT_SLICE", "MAP_STRING", "MAP_INT"} {
if err := os.Unsetenv(v); err != nil {
t.Fatal(err)
}
}
}
func TestSave(t *testing.T) {
defer func() {
for _, v := range []string{"STRING_VALUE", "STRING_VALUE2", "BOOL_VALUE", "STRING_SLICE", "INT_SLICE", "MAP_STRING", "MAP_INT"} {
if err := os.Unsetenv(v); err != nil {
t.Fatal(err)
}
}
}()
ctx := context.Background()
conf := &Config{StringValue: "MICRO_CONFIG_ENV"}
cfg := NewConfig(config.Struct(conf))
if err := cfg.Init(); err != nil {
t.Fatal(err)
}
if _, ok := os.LookupEnv("STRING_VALUE"); ok {
if err := os.Unsetenv("STRING_VALUE"); err != nil {
t.Fatal(err)
}
}
if err := os.Unsetenv("STRING_VALUE"); err != nil {
t.Fatal(err)
}
if err := cfg.Save(ctx); err != nil {
t.Fatal(err)
}
if _, ok := os.LookupEnv("STRING_VALUE"); !ok {
t.Fatal("env value STRING_VALUE=MICRO_CONFIG_ENV not set")
}
if err := os.Unsetenv("STRING_VALUE"); err != nil {
t.Fatal(err)
}
for _, tv := range []string{"STRING_VALUE", "BOOL_VALUE", "STRING_SLICE", "INT_SLICE", "MAP_STRING", "MAP_INT"} {
if v, ok := os.LookupEnv("STRING_VALUE"); ok {
t.Fatalf("env value %s=%s set", tv, v)
}
}
for _, v := range []string{"STRING_VALUE", "STRING_VALUE2", "BOOL_VALUE", "STRING_SLICE", "INT_SLICE", "MAP_STRING", "MAP_INT"} {
if err := os.Unsetenv(v); err != nil {
t.Fatal(err)
}
}
}
func TestLoadMultiple(t *testing.T) {
defer func() {
for _, v := range []string{"STRING_VALUE", "STRING_VALUE2", "BOOL_VALUE", "STRING_SLICE", "INT_SLICE", "MAP_STRING", "MAP_INT"} {
if err := os.Unsetenv(v); err != nil {
t.Fatal(err)
}
}
}()
ctx := context.Background()
conf := &Config{StringValue: "before_load"}
cfg := NewConfig(config.Struct(conf))
if err := cfg.Init(); err != nil {
t.Fatal(err)
}
if err := cfg.Load(ctx, config.LoadOverride(true), config.LoadAppend(true)); err != nil {
t.Fatal(err)
}
if conf.StringValue != "before_load" {
t.Fatalf("something wrong with env config: %#+v", conf)
}
os.Setenv("STRING_VALUE", "STRING_VALUE1")
os.Setenv("STRING_VALUE2", "STRING_VALUE2")
defer func() {
for _, v := range []string{"STRING_VALUE", "STRING_VALUE2"} {
if err := os.Unsetenv(v); err != nil {
t.Fatal(err)
}
}
}()
if err := cfg.Load(ctx, config.LoadOverride(true), config.LoadAppend(true)); err != nil {
t.Fatal(err)
}
if conf.StringValue != "STRING_VALUE2" {
t.Fatalf("something wrong with env config: %#+v", conf)
}
for _, v := range []string{"STRING_VALUE", "STRING_VALUE2", "BOOL_VALUE", "STRING_SLICE", "INT_SLICE", "MAP_STRING", "MAP_INT"} {
if err := os.Unsetenv(v); err != nil {
t.Fatal(err)
}
}
}