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package echo
import (
"bytes"
"io"
"mime/multipart"
"net/http"
"reflect"
"strings"
"testing"
"github.com/labstack/echo.v2/test"
"github.com/stretchr/testify/assert"
)
type (
binderTestStruct 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 binderTestStruct) 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"},
}
func TestBinderJSON(t *testing.T) {
testBinderOkay(t, strings.NewReader(userJSON), MIMEApplicationJSON)
testBinderError(t, strings.NewReader(invalidContent), MIMEApplicationJSON)
}
func TestBinderXML(t *testing.T) {
testBinderOkay(t, strings.NewReader(userXML), MIMEApplicationXML)
testBinderError(t, strings.NewReader(invalidContent), MIMEApplicationXML)
}
func TestBinderForm(t *testing.T) {
testBinderOkay(t, strings.NewReader(userForm), MIMEApplicationForm)
testBinderError(t, nil, MIMEApplicationForm)
e := New()
req := test.NewRequest(POST, "/", strings.NewReader(userForm))
rec := test.NewResponseRecorder()
c := e.NewContext(req, rec)
req.Header().Set(HeaderContentType, MIMEApplicationForm)
var obj = make([]struct{ Field string }, 0)
err := c.Bind(&obj)
assert.Error(t, err)
}
func TestBinderQueryParams(t *testing.T) {
e := New()
req := test.NewRequest(GET, "/?id=1&name=Jon Snow", nil)
rec := test.NewResponseRecorder()
c := e.NewContext(req, rec)
u := new(user)
err := c.Bind(u)
if assert.NoError(t, err) {
assert.Equal(t, 1, u.ID)
assert.Equal(t, "Jon Snow", u.Name)
}
}
func TestBinderMultipartForm(t *testing.T) {
body := new(bytes.Buffer)
mw := multipart.NewWriter(body)
mw.WriteField("id", "1")
mw.WriteField("name", "Jon Snow")
mw.Close()
testBinderOkay(t, body, mw.FormDataContentType())
}
func TestBinderUnsupportedMediaType(t *testing.T) {
testBinderError(t, strings.NewReader(invalidContent), MIMEApplicationJSON)
}
// func assertCustomer(t *testing.T, c *user) {
// assert.Equal(t, 1, c.ID)
// assert.Equal(t, "Joe", c.Name)
// }
func TestBinderbindForm(t *testing.T) {
ts := new(binderTestStruct)
b := new(binder)
b.bindData(ts, values)
assertBinderTestStruct(t, ts)
}
func TestBinderSetWithProperType(t *testing.T) {
ts := new(binderTestStruct)
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)
}
assertBinderTestStruct(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 TestBinderSetFields(t *testing.T) {
ts := new(binderTestStruct)
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 assertBinderTestStruct(t *testing.T, ts *binderTestStruct) {
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 testBinderOkay(t *testing.T, r io.Reader, ctype string) {
e := New()
req := test.NewRequest(POST, "/", r)
rec := test.NewResponseRecorder()
c := e.NewContext(req, rec)
req.Header().Set(HeaderContentType, ctype)
u := new(user)
err := c.Bind(u)
if assert.NoError(t, err) {
assert.Equal(t, 1, u.ID)
assert.Equal(t, "Jon Snow", u.Name)
}
}
func testBinderError(t *testing.T, r io.Reader, ctype string) {
e := New()
req := test.NewRequest(POST, "/", r)
rec := test.NewResponseRecorder()
c := e.NewContext(req, rec)
req.Header().Set(HeaderContentType, ctype)
u := new(user)
err := c.Bind(u)
switch {
case strings.HasPrefix(ctype, MIMEApplicationJSON), strings.HasPrefix(ctype, MIMEApplicationXML),
strings.HasPrefix(ctype, MIMEApplicationForm), strings.HasPrefix(ctype, MIMEMultipartForm):
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)
}
}
}
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