Files
higress/plugins/wasm-go/extensions/transformer/utils_test.go

329 lines
7.6 KiB
Go

// Copyright (c) 2022 Alibaba Group Holding Ltd.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package main
import (
"fmt"
"testing"
"github.com/stretchr/testify/require"
)
func TestParseQueryByPath(t *testing.T) {
cases := []struct {
name string
path string
expected map[string][]string
errMsg string
}{
{
name: "common",
path: "/get?k1=v1&k2=v2&k3=v3",
expected: map[string][]string{
"k1": {"v1"},
"k2": {"v2"},
"k3": {"v3"},
},
},
{
name: "empty query",
path: "www.example.com/get",
expected: map[string][]string{},
},
{
name: "multiple values",
path: "www.example.com/get?k1=v11&k1=v12&k2=v2&k1=v13",
expected: map[string][]string{
"k1": {"v11", "v12", "v13"},
"k2": {"v2"},
},
},
{
name: "encoded url",
path: "/get%20with%3Freserved%20characters?key=Hello+World",
expected: map[string][]string{
"key": {"Hello World"},
},
},
}
for _, c := range cases {
t.Run(c.name, func(t *testing.T) {
actual, err := parseQueryByPath(c.path)
if c.errMsg != "" {
require.EqualError(t, err, c.errMsg)
return
}
require.NoError(t, err)
require.Equal(t, c.expected, actual)
})
}
}
func TestConstructPath(t *testing.T) {
cases := []struct {
name string
path string
qs map[string][]string
expected string
errMsg string
}{
{
name: "common",
path: "/get",
qs: map[string][]string{
"k1": {"v1"},
"k2": {"v2"},
"k3": {"v3"},
},
expected: "/get?k1=v1&k2=v2&k3=v3",
},
{
name: "empty query",
path: "www.example.com/get",
qs: map[string][]string{},
expected: "www.example.com/get",
},
{
name: "encoded url",
path: "/get with?",
qs: map[string][]string{
"key": {"Hello World"},
},
expected: "/get%20with?key=Hello+World",
},
}
for _, c := range cases {
t.Run(c.name, func(t *testing.T) {
actual, err := constructPath(c.path, c.qs)
if c.errMsg != "" {
require.EqualError(t, err, c.errMsg)
return
}
require.NoError(t, err)
require.Equal(t, c.expected, actual)
})
}
}
func TestParseBody(t *testing.T) {
cases := []struct {
name string
mediaType string
body []byte
expected interface{}
errMsg string
}{
{
name: "application/json",
mediaType: "application/json",
body: []byte(`{
"k1": "v2",
"k2": 20,
"k3": true,
"k4": [1, 2, 3],
"k5": {
"k6": "v6"
}
}`),
expected: map[string]interface{}{"body": []byte(`{
"k1": "v2",
"k2": 20,
"k3": true,
"k4": [1, 2, 3],
"k5": {
"k6": "v6"
}
}`)},
},
{
name: "application/x-www-form-urlencoded",
mediaType: "application/x-www-form-urlencoded",
body: []byte("k1=v11&k1=v12&k2=v2&k3=v3"),
expected: map[string][]string{
"k1": {"v11", "v12"},
"k2": {"v2"},
"k3": {"v3"},
},
},
{
name: "multipart/form-data",
mediaType: "multipart/form-data; boundary=--------------------------962785348548682888818907",
body: []byte("----------------------------962785348548682888818907\r\nContent-Disposition: form-data; name=\"k1\"\r\n\r\nv11\r\n----------------------------962785348548682888818907\r\nContent-Disposition: form-data; name=\"k1\"\r\n\r\nv12\r\n----------------------------962785348548682888818907\r\nContent-Disposition: form-data; name=\"k2\"\r\n\r\nv2\r\n----------------------------962785348548682888818907--\r\n"),
expected: map[string][]string{
"k1": {"v11", "v12"},
"k2": {"v2"},
},
},
{
name: "unsupported content type",
mediaType: "plain/text",
body: []byte(`qwe`),
errMsg: fmt.Sprintf(errContentTypeFmt, "plain/text"),
},
{
name: "empty body",
mediaType: "application/json",
body: []byte(``),
errMsg: errEmptyBody.Error(),
},
}
for _, c := range cases {
t.Run(c.name, func(t *testing.T) {
actual, err := parseBody(c.mediaType, c.body)
if c.errMsg != "" {
require.EqualError(t, err, c.errMsg)
return
}
require.NoError(t, err)
require.Equal(t, c.expected, actual)
})
}
}
func TestConstructBody(t *testing.T) {
cases := []struct {
name string
mediaType string
body interface{}
expected []byte
errMsg string
}{
{
name: "application/json",
mediaType: "application/json",
body: map[string]interface{}{"body": []byte(`{
"k1": {
"k2": [1, 2, 3]
}
}
`)},
expected: []byte(`{
"k1": {
"k2": [1, 2, 3]
}
}
`),
},
{
name: "application/x-www-form-urlencoded",
mediaType: "application/x-www-form-urlencoded",
body: map[string][]string{
"k1": {"v11", "v12"},
},
expected: []byte("k1=v11&k1=v12"),
},
{
name: "multipart/form-data",
mediaType: "multipart/form-data; boundary=--------------------------962785348548682888818907",
body: map[string][]string{
"k1": {"v11", "v12"},
},
expected: []byte("----------------------------962785348548682888818907\r\nContent-Disposition: form-data; name=\"k1\"\r\n\r\nv11\r\n----------------------------962785348548682888818907\r\nContent-Disposition: form-data; name=\"k1\"\r\n\r\nv12\r\n----------------------------962785348548682888818907--\r\n"),
},
{
name: "unsupported media type",
mediaType: "plain/text",
body: []byte(`qwe`),
errMsg: fmt.Sprintf(errContentTypeFmt, "plain/text"),
},
{
name: "empty body",
mediaType: "application/json",
body: map[string]interface{}{"body": []byte{}},
expected: []byte{},
},
}
for _, c := range cases {
t.Run(c.name, func(t *testing.T) {
actual, err := constructBody(c.mediaType, c.body)
if c.errMsg != "" {
require.EqualError(t, err, c.errMsg)
return
}
require.NoError(t, err)
require.Equal(t, c.expected, actual)
})
}
}
func TestConvertByJsonType(t *testing.T) {
cases := []struct {
name string
valueTyp string
value string
expected interface{}
errMsg string
}{
{
name: "object",
valueTyp: "object",
value: "{\"array\": [1, 2, 3], \"object\": { \"first\": \"hello\", \"second\": \"world\" } }",
expected: map[string]interface{}{
"array": []interface{}{float64(1), float64(2), float64(3)},
"object": map[string]interface{}{
"first": "hello",
"second": "world",
},
},
},
{
name: "boolean",
valueTyp: "boolean",
value: "true",
expected: true,
},
{
name: "boolean: failed",
valueTyp: "boolean",
value: "null",
errMsg: "strconv.ParseBool: parsing \"null\": invalid syntax",
},
{
name: "number",
valueTyp: "number",
value: "10",
expected: float64(10),
},
{
name: "string",
valueTyp: "string",
value: "hello world",
expected: "hello world",
},
{
name: "unsupported type",
valueTyp: "integer",
value: "10",
expected: "10", // default string
},
}
for _, c := range cases {
t.Run(c.name, func(t *testing.T) {
actual, err := convertByJsonType(c.valueTyp, c.value)
if c.errMsg != "" {
require.EqualError(t, err, c.errMsg)
return
}
require.NoError(t, err)
require.Equal(t, c.expected, actual)
})
}
}