1
0
mirror of https://github.com/labstack/echo.git synced 2024-12-22 20:06:21 +02:00
echo/binder_test.go
2016-02-01 23:22:33 +04:00

258 lines
6.4 KiB
Go

package echo
import (
"bytes"
"github.com/stretchr/testify/assert"
"mime/multipart"
"net/http"
"reflect"
"strings"
"testing"
)
type (
customer struct {
ID int `json:"id" xml:"id" form:"id"`
Name string `json:"name" xml:"name" form:"name"`
}
testStruct struct {
I int
I8 int8
I16 int16
I32 int32
I64 int64
UI uint
UI8 uint8
UI16 uint16
UI32 uint32
UI64 uint64
B bool
F32 float32
F64 float64
S string
cantSet string
DoesntExist string
}
)
func (t testStruct) GetCantSet() string {
return t.cantSet
}
var values = map[string][]string{
"I": {"0"},
"I8": {"8"},
"I16": {"16"},
"I32": {"32"},
"I64": {"64"},
"UI": {"0"},
"UI8": {"8"},
"UI16": {"16"},
"UI32": {"32"},
"UI64": {"64"},
"B": {"true"},
"F32": {"32.5"},
"F64": {"64.5"},
"S": {"test"},
"cantSet": {"test"},
}
const (
customerJSON = `{"id":1,"name":"Joe"}`
customerXML = `<customer><id>1</id><name>Joe</name></customer>`
customerForm = `id=1&name=Joe`
incorrectContent = "this is incorrect content"
)
func TestMaxMemory(t *testing.T) {
b := new(binder)
b.SetMaxMemory(20)
assert.Equal(t, int64(20), b.MaxMemory())
}
func TestJSONBinding(t *testing.T) {
r, _ := http.NewRequest(POST, "/", strings.NewReader(customerJSON))
testBindOk(t, r, ApplicationJSON)
r, _ = http.NewRequest(POST, "/", strings.NewReader(incorrectContent))
testBindError(t, r, ApplicationJSON)
}
func TestXMLBinding(t *testing.T) {
r, _ := http.NewRequest(POST, "/", strings.NewReader(customerXML))
testBindOk(t, r, ApplicationXML)
r, _ = http.NewRequest(POST, "/", strings.NewReader(incorrectContent))
testBindError(t, r, ApplicationXML)
}
func TestFormBinding(t *testing.T) {
r, _ := http.NewRequest(POST, "/", strings.NewReader(customerForm))
testBindOk(t, r, ApplicationForm)
r, _ = http.NewRequest(POST, "/", nil)
testBindError(t, r, ApplicationForm)
}
func TestMultipartFormBinding(t *testing.T) {
body := new(bytes.Buffer)
mw := multipart.NewWriter(body)
mw.WriteField("id", "1")
mw.WriteField("name", "Joe")
mw.Close()
r, _ := http.NewRequest(POST, "/", body)
testBindOk(t, r, mw.FormDataContentType())
r, _ = http.NewRequest(POST, "/", strings.NewReader(incorrectContent))
testBindError(t, r, mw.FormDataContentType())
}
func TestUnsupportedMediaTypeBinding(t *testing.T) {
r, _ := http.NewRequest(POST, "/", strings.NewReader(customerJSON))
testBindError(t, r, "")
}
func TestBindFormFunc(t *testing.T) {
r, _ := http.NewRequest(POST, "/", strings.NewReader(customerForm))
r.Header.Set(ContentType, ApplicationForm)
b := new(binder)
c := new(customer)
if assert.NoError(t, b.bindForm(r, c)) {
assertCustomer(t, c)
}
}
func TestBindMultiPartFormFunc(t *testing.T) {
body := new(bytes.Buffer)
mw := multipart.NewWriter(body)
mw.WriteField("id", "1")
mw.WriteField("name", "Joe")
mw.Close()
r, _ := http.NewRequest(POST, "/", body)
r.Header.Set(ContentType, mw.FormDataContentType())
b := new(binder)
c := new(customer)
if assert.NoError(t, b.bindMultiPartForm(r, c)) {
assertCustomer(t, c)
}
}
func assertCustomer(t *testing.T, c *customer) {
assert.Equal(t, 1, c.ID)
assert.Equal(t, "Joe", c.Name)
}
func TestMapForm(t *testing.T) {
ts := new(testStruct)
mapForm(ts, values)
assertTestStruct(t, ts)
}
func TestSetWithProperType(t *testing.T) {
ts := new(testStruct)
typ := reflect.TypeOf(ts).Elem()
val := reflect.ValueOf(ts).Elem()
for i := 0; i < typ.NumField(); i++ {
typeField := typ.Field(i)
structField := val.Field(i)
if !structField.CanSet() {
continue
}
if len(values[typeField.Name]) == 0 {
continue
}
val := values[typeField.Name][0]
err := setWithProperType(typeField.Type.Kind(), val, structField)
assert.NoError(t, err)
}
assertTestStruct(t, ts)
type foo struct {
Bar bytes.Buffer
}
v := &foo{}
typ = reflect.TypeOf(v).Elem()
val = reflect.ValueOf(v).Elem()
assert.Error(t, setWithProperType(typ.Field(0).Type.Kind(), "5", val.Field(0)))
}
func TestSetFields(t *testing.T) {
ts := new(testStruct)
val := reflect.ValueOf(ts).Elem()
// Int
if assert.NoError(t, setIntField("5", 0, val.FieldByName("I"))) {
assert.Equal(t, 5, ts.I)
}
if assert.NoError(t, setIntField("", 0, val.FieldByName("I"))) {
assert.Equal(t, 0, ts.I)
}
// Uint
if assert.NoError(t, setUintField("10", 0, val.FieldByName("UI"))) {
assert.Equal(t, uint(10), ts.UI)
}
if assert.NoError(t, setUintField("", 0, val.FieldByName("UI"))) {
assert.Equal(t, uint(0), ts.UI)
}
// Float
if assert.NoError(t, setFloatField("15.5", 0, val.FieldByName("F32"))) {
assert.Equal(t, float32(15.5), ts.F32)
}
if assert.NoError(t, setFloatField("", 0, val.FieldByName("F32"))) {
assert.Equal(t, float32(0.0), ts.F32)
}
// Bool
if assert.NoError(t, setBoolField("true", val.FieldByName("B"))) {
assert.Equal(t, true, ts.B)
}
if assert.NoError(t, setBoolField("", val.FieldByName("B"))) {
assert.Equal(t, false, ts.B)
}
}
func assertTestStruct(t *testing.T, ts *testStruct) {
assert.Equal(t, 0, ts.I)
assert.Equal(t, int8(8), ts.I8)
assert.Equal(t, int16(16), ts.I16)
assert.Equal(t, int32(32), ts.I32)
assert.Equal(t, int64(64), ts.I64)
assert.Equal(t, uint(0), ts.UI)
assert.Equal(t, uint8(8), ts.UI8)
assert.Equal(t, uint16(16), ts.UI16)
assert.Equal(t, uint32(32), ts.UI32)
assert.Equal(t, uint64(64), ts.UI64)
assert.Equal(t, true, ts.B)
assert.Equal(t, float32(32.5), ts.F32)
assert.Equal(t, float64(64.5), ts.F64)
assert.Equal(t, "test", ts.S)
assert.Equal(t, "", ts.GetCantSet())
}
func testBindOk(t *testing.T, r *http.Request, ct string) {
r.Header.Set(ContentType, ct)
c := new(customer)
err := new(binder).Bind(r, c)
if assert.NoError(t, err) {
assert.Equal(t, 1, c.ID)
assert.Equal(t, "Joe", c.Name)
}
}
func testBindError(t *testing.T, r *http.Request, ct string) {
r.Header.Set(ContentType, ct)
u := new(customer)
err := new(binder).Bind(r, u)
switch {
case strings.HasPrefix(ct, ApplicationJSON), strings.HasPrefix(ct, ApplicationXML),
strings.HasPrefix(ct, ApplicationForm), strings.HasPrefix(ct, MultipartForm):
if assert.IsType(t, new(HTTPError), err) {
assert.Equal(t, http.StatusBadRequest, err.(*HTTPError).code)
}
default:
if assert.IsType(t, new(HTTPError), err) {
assert.Equal(t, ErrUnsupportedMediaType, err)
}
}
}