add Marshal/Unmarshal text (#2)

Co-authored-by: andrey1s <andrey@4devs.pro>
Reviewed-on: #2
Co-authored-by: andrey <andrey@4devs.io>
Co-committed-by: andrey <andrey@4devs.io>

extension.go

@@ -4,7 +4,6 @@ package mime
 import (
 	"encoding"
 	"fmt"
-	"strings"
 )
 
 var (
@@ -31,7 +30,7 @@ func (v Ext) MarshalText() ([]byte, error) {
 }
 
 func (s *Ext) UnmarshalText(text []byte) error {
-	ext := ExtFromString(strings.ToLower(string(text)))
+	ext := ExtFromString(string(text))
 	*s = ext
 
 	return nil

extension_test.go

@@ -0,0 +1,41 @@
+package mime_test
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+	"gitoa.ru/go-4devs/mime"
+)
+
+func TestExtUnmarshalText(t *testing.T) {
+	t.Parallel()
+
+	cases := []struct {
+		data   string
+		expext mime.Ext
+	}{
+		{
+			data:   "txt",
+			expext: mime.ExtTxt,
+		},
+		{
+			data:   "TXT",
+			expext: mime.ExtUnrecognized,
+		},
+		{
+			data:   "C",
+			expext: mime.Ext_C,
+		},
+		{
+			data:   "c",
+			expext: mime.ExtC,
+		},
+	}
+
+	for _, cs := range cases {
+		var in mime.Ext
+		err := in.UnmarshalText([]byte(cs.data))
+		require.Equal(t, cs.expext, in)
+		require.NoError(t, err)
+	}
+}

mime_example_test.go

@@ -44,7 +44,7 @@ func ExampleMime_jsonUnmarshal() {
 
 	var res Expect
 
-	json.Unmarshal([]byte(`{"data":"text","mime":"text/html"}`), &res)
+	_ = json.Unmarshal([]byte(`{"data":"text","mime":"text/html"}`), &res)
 
 	fmt.Printf("%[1]v: %[1]T(%#[1]v)", res.Mime)
 
@@ -63,10 +63,11 @@ func ExampleMime_jsonMarshal() {
 		Mime: mime.TextMarkdown,
 	}
 
-	result, _ := json.Marshal(res)
+	result, err := json.Marshal(res)
 
-	fmt.Printf("%s", result)
+	fmt.Printf("%s\n%v", result, err)
 
 	// Output:
 	// {"data":"some text","mime":"text/markdown"}
+	// <nil>
 }

mime_test.go

@@ -8,12 +8,16 @@ import (
 )
 
 func TestMimeMarshalText(t *testing.T) {
+	t.Parallel()
+
 	res, err := mime.ApplicationJavascript.MarshalText()
 	require.Equal(t, "application/javascript", string(res))
 	require.NoError(t, err)
 }
 
 func TestMimeUnmarshalText(t *testing.T) {
+	t.Parallel()
+
 	cases := []struct {
 		data   string
 		expext mime.Mime

scripts/mime/tpl/extension.text.tmpl

@@ -4,7 +4,6 @@ package {{.ExtPackage}}
 import (
 	"encoding"
 	"fmt"
-	"strings"
 )
 
 var (
@@ -31,7 +30,7 @@ func (v Ext) MarshalText() ([]byte, error) {
 }
 
 func (s *Ext) UnmarshalText(text []byte) error {
-	ext := ExtFromString(strings.ToLower(string(text)))
+	ext := ExtFromString(string(text))
 	*s = ext
 
 	return nil