complete

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>

flag_test.go

@@ -1,49 +1,46 @@
 package flag
 
 import (
-	"flag"
+	"context"
 	"os"
-	"reflect"
-	"strconv"
 	"testing"
+	"time"
 
-	rutil "github.com/unistack-org/micro/v3/util/reflect"
+	"github.com/unistack-org/micro/v3/config"
 )
 
 func TestLoad(t *testing.T) {
 	os.Args = append(os.Args, "-broker", "5566:33")
-	type config struct {
-		Broker  string `flag:"name=broker,desc='description with, comma',default='127.0.0.1:9092'"`
-		Verbose bool   `flag:"name=verbose,desc='verbose output',default='false value'"`
+	os.Args = append(os.Args, "-verbose")
+	os.Args = append(os.Args, "-wait", "5s")
+	os.Args = append(os.Args, "-addr", "33,44")
+	os.Args = append(os.Args, "-time", time.RFC822)
+	type Config struct {
+		Broker  string        `flag:"name=broker,desc='description with, comma',default='127.0.0.1:9092'"`
+		Verbose bool          `flag:"name=verbose,desc='verbose output',default='false'"`
+		Addr    []string      `flag:"name=addr,desc='addrs',default='127.0.0.1:9092'"`
+		Wait    time.Duration `flag:"name=wait,desc='wait time',default='2s'"`
+		Time    time.Time     `flag:"name=time,desc='some time',default='02 Jan 06 15:04 MST'"`
 	}
 
-	cfg := &config{}
+	ctx := context.Background()
+	cfg := &Config{}
 
-	fields, err := rutil.StructFields(cfg)
-	if err != nil {
+	c := NewConfig(config.Struct(cfg), TimeFormat(time.RFC822))
+	if err := c.Init(); err != nil {
 		t.Fatal(err)
 	}
 
-	for _, sf := range fields {
-		tf, ok := sf.Field.Tag.Lookup("flag")
-		if !ok {
-			continue
-		}
-		fn, fv, fd := getFlagOpts(tf)
-
-		switch sf.Value.Kind() {
-		case reflect.String:
-			v := sf.Value.Addr().Interface().(*string)
-			flag.StringVar(v, fn, fv, fd)
-		case reflect.Bool:
-			v := sf.Value.Addr().Interface().(*bool)
-			i, _ := strconv.ParseBool(fv)
-			flag.BoolVar(v, fn, i, fd)
-		}
+	if err := c.Load(ctx); err != nil {
+		t.Fatal(err)
 	}
 
-	flag.Parse()
 	if cfg.Broker != "5566:33" {
 		t.Fatalf("failed to parse flags broker value invalid: %#+v", cfg)
 	}
+	if tf := cfg.Time.Format(time.RFC822); tf != "02 Jan 06 14:32 MSK" {
+		t.Fatalf("parse time error: %v", cfg.Time)
+	}
+
+	t.Logf("cfg %#+v", cfg)
 }