add unit-tests (#136)

xml_test.go

@@ -0,0 +1,70 @@
+package xml
+
+import (
+	"encoding/xml"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+	"go.unistack.org/micro/v3/codec"
+)
+
+func TestXmlCodec_Unmarshal(t *testing.T) {
+	type result struct {
+		XMLName xml.Name `xml:"root"`
+		Name    string   `xml:"name,attr"`
+		Item    string   `xml:"item"`
+	}
+
+	tests := []struct {
+		name     string
+		input    []byte
+		isXML11  bool
+		expected result
+	}{
+		{
+			name:  "without version",
+			input: []byte(`<root name="NAME"><item>ITEM</item></root>`),
+			expected: result{
+				XMLName: xml.Name{Local: "root"},
+				Name:    "NAME",
+				Item:    "ITEM",
+			},
+		},
+		{
+			name:  "version 1.0",
+			input: []byte(`<?xml version="1.0" encoding="UTF-8"?><root name="NAME"><item>ITEM</item></root>`),
+			expected: result{
+				XMLName: xml.Name{Local: "root"},
+				Name:    "NAME",
+				Item:    "ITEM",
+			},
+		},
+		{
+			name:    "version 1.1",
+			input:   []byte(`<?xml version="1.1" encoding="UTF-8"?><root name="NAME"><item>ITEM</item></root>`),
+			isXML11: true,
+			expected: result{
+				XMLName: xml.Name{Local: "root"},
+				Name:    "NAME",
+				Item:    "ITEM",
+			},
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			var (
+				r    result
+				opts []codec.Option
+			)
+
+			if tt.isXML11 {
+				opts = append(opts, UnmarshalXML11(true))
+			}
+
+			err := NewCodec(opts...).Unmarshal(tt.input, &r)
+			require.NoError(t, err)
+			require.Equal(t, tt.expected, r)
+		})
+	}
+}