tests, readme

Author: hans-m-song

README.md

@@ -30,6 +30,7 @@ type config struct {
 	Port              int           `env:"PORT" required:"true"`
 	Peers             []string      `env:"PEERS"` // you can use `delimiter` tag to specify separator, for example `delimiter:" "` 
 	ConnectionTimeout time.Duration `env:"TIMEOUT" default:"10s"`
+	LogLevel          string        `env:"LOG_LEVEL" enum:"debug,info,error"`
 }
 
 func main() {

env_test.go

@@ -388,6 +388,42 @@ func TestEnvWithDefaultWhenProvided(t *testing.T) {
 	Equals(t, "goodbye", config.Prop)
 }
 
+func TestEnvEnumUnmatched(t *testing.T) {
+	os.Setenv("PROP", "foo")
+
+	config := struct {
+		Prop string `env:"PROP" enum:"1,2,3"`
+	}{}
+
+	err := Set(&config)
+	ErrorNotNil(t, err)
+	Assert(t, strings.HasPrefix(err.Error(), `error setting "Prop": "foo" is not a member of [1,2,3]`))
+}
+
+func TestEnvEnumMatchedString(t *testing.T) {
+	os.Setenv("PROP", "foo")
+
+	config := struct {
+		Prop string `env:"PROP" enum:"foo,bar,baz"`
+	}{}
+
+	err := Set(&config)
+	ErrorNil(t, err)
+	Assert(t, config.Prop == "foo")
+}
+
+func TestEnvEnumMatchedInteger(t *testing.T) {
+	os.Setenv("PROP", "1")
+
+	config := struct {
+		Prop int `env:"PROP" enum:"1,2,3"`
+	}{}
+
+	err := Set(&config)
+	ErrorNil(t, err)
+	Assert(t, config.Prop == 1)
+}
+
 func TestEnvWithDefaultWhenMissing(t *testing.T) {
 	unsetEnvironment()
 
@@ -675,42 +711,6 @@ func TestEnvPrefixed(t *testing.T) {
 	Equals(t, "hello", config.Prop)
 }
 
-func TestEnumUnmatched(t *testing.T) {
-	os.Setenv("PROP", "foo")
-
-	config := struct {
-		Prop string `env:"PROP" enum:"1,2,3"`
-	}{}
-
-	err := Set(&config)
-	ErrorNotNil(t, err)
-	Assert(t, strings.HasPrefix(err.Error(), `error setting "Prop": "foo" is not a member of [1,2,3]`))
-}
-
-func TestEnumMatchedString(t *testing.T) {
-	os.Setenv("PROP", "foo")
-
-	config := struct {
-		Prop string `env:"PROP" enum:"foo,bar,baz"`
-	}{}
-
-	err := Set(&config)
-	ErrorNil(t, err)
-	Assert(t, config.Prop == "foo")
-}
-
-func TestEnumMatchedInteger(t *testing.T) {
-	os.Setenv("PROP", "1")
-
-	config := struct {
-		Prop int `env:"PROP" enum:"1,2,3"`
-	}{}
-
-	err := Set(&config)
-	ErrorNil(t, err)
-	Assert(t, config.Prop == 1)
-}
-
 type configDuration struct {
 	Duration time.Duration
 }