mirror of
https://github.com/labstack/echo.git
synced 2024-11-24 08:22:21 +02:00
67f6346df2
For path/query params binding we do not try (silently return) to bind when target is not struct. Recreates PR #1574 and fixes #1565
972 lines
32 KiB
Go
972 lines
32 KiB
Go
package echo
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import (
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"bytes"
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"encoding/json"
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"encoding/xml"
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"errors"
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"io"
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"mime/multipart"
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"net/http"
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"net/http/httptest"
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"net/url"
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"reflect"
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"strconv"
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"strings"
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"testing"
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"time"
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"github.com/stretchr/testify/assert"
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)
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type (
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bindTestStruct struct {
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I int
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PtrI *int
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I8 int8
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PtrI8 *int8
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I16 int16
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PtrI16 *int16
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I32 int32
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PtrI32 *int32
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I64 int64
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PtrI64 *int64
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UI uint
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PtrUI *uint
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UI8 uint8
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PtrUI8 *uint8
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UI16 uint16
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PtrUI16 *uint16
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UI32 uint32
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PtrUI32 *uint32
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UI64 uint64
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PtrUI64 *uint64
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B bool
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PtrB *bool
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F32 float32
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PtrF32 *float32
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F64 float64
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PtrF64 *float64
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S string
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PtrS *string
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cantSet string
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DoesntExist string
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GoT time.Time
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GoTptr *time.Time
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T Timestamp
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Tptr *Timestamp
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SA StringArray
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}
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bindTestStructWithTags struct {
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I int `json:"I" form:"I"`
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PtrI *int `json:"PtrI" form:"PtrI"`
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I8 int8 `json:"I8" form:"I8"`
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PtrI8 *int8 `json:"PtrI8" form:"PtrI8"`
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I16 int16 `json:"I16" form:"I16"`
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PtrI16 *int16 `json:"PtrI16" form:"PtrI16"`
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I32 int32 `json:"I32" form:"I32"`
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PtrI32 *int32 `json:"PtrI32" form:"PtrI32"`
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I64 int64 `json:"I64" form:"I64"`
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PtrI64 *int64 `json:"PtrI64" form:"PtrI64"`
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UI uint `json:"UI" form:"UI"`
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PtrUI *uint `json:"PtrUI" form:"PtrUI"`
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UI8 uint8 `json:"UI8" form:"UI8"`
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PtrUI8 *uint8 `json:"PtrUI8" form:"PtrUI8"`
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UI16 uint16 `json:"UI16" form:"UI16"`
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PtrUI16 *uint16 `json:"PtrUI16" form:"PtrUI16"`
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UI32 uint32 `json:"UI32" form:"UI32"`
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PtrUI32 *uint32 `json:"PtrUI32" form:"PtrUI32"`
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UI64 uint64 `json:"UI64" form:"UI64"`
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PtrUI64 *uint64 `json:"PtrUI64" form:"PtrUI64"`
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B bool `json:"B" form:"B"`
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PtrB *bool `json:"PtrB" form:"PtrB"`
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F32 float32 `json:"F32" form:"F32"`
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PtrF32 *float32 `json:"PtrF32" form:"PtrF32"`
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F64 float64 `json:"F64" form:"F64"`
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PtrF64 *float64 `json:"PtrF64" form:"PtrF64"`
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S string `json:"S" form:"S"`
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PtrS *string `json:"PtrS" form:"PtrS"`
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cantSet string
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DoesntExist string `json:"DoesntExist" form:"DoesntExist"`
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GoT time.Time `json:"GoT" form:"GoT"`
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GoTptr *time.Time `json:"GoTptr" form:"GoTptr"`
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T Timestamp `json:"T" form:"T"`
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Tptr *Timestamp `json:"Tptr" form:"Tptr"`
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SA StringArray `json:"SA" form:"SA"`
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}
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Timestamp time.Time
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TA []Timestamp
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StringArray []string
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Struct struct {
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Foo string
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}
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)
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func (t *Timestamp) UnmarshalParam(src string) error {
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ts, err := time.Parse(time.RFC3339, src)
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*t = Timestamp(ts)
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return err
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}
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func (a *StringArray) UnmarshalParam(src string) error {
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*a = StringArray(strings.Split(src, ","))
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return nil
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}
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func (s *Struct) UnmarshalParam(src string) error {
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*s = Struct{
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Foo: src,
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}
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return nil
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}
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func (t bindTestStruct) GetCantSet() string {
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return t.cantSet
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}
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var values = map[string][]string{
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"I": {"0"},
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"PtrI": {"0"},
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"I8": {"8"},
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"PtrI8": {"8"},
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"I16": {"16"},
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"PtrI16": {"16"},
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"I32": {"32"},
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"PtrI32": {"32"},
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"I64": {"64"},
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"PtrI64": {"64"},
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"UI": {"0"},
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"PtrUI": {"0"},
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"UI8": {"8"},
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"PtrUI8": {"8"},
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"UI16": {"16"},
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"PtrUI16": {"16"},
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"UI32": {"32"},
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"PtrUI32": {"32"},
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"UI64": {"64"},
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"PtrUI64": {"64"},
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"B": {"true"},
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"PtrB": {"true"},
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"F32": {"32.5"},
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"PtrF32": {"32.5"},
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"F64": {"64.5"},
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"PtrF64": {"64.5"},
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"S": {"test"},
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"PtrS": {"test"},
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"cantSet": {"test"},
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"T": {"2016-12-06T19:09:05+01:00"},
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"Tptr": {"2016-12-06T19:09:05+01:00"},
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"GoT": {"2016-12-06T19:09:05+01:00"},
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"GoTptr": {"2016-12-06T19:09:05+01:00"},
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"ST": {"bar"},
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}
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func TestToMultipleFields(t *testing.T) {
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e := New()
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req := httptest.NewRequest(http.MethodGet, "/?id=1&ID=2", nil)
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rec := httptest.NewRecorder()
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c := e.NewContext(req, rec)
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type Root struct {
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ID int64 `query:"id"`
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Child2 struct {
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ID int64
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}
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Child1 struct {
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ID int64 `query:"id"`
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}
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}
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u := new(Root)
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err := c.Bind(u)
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if assert.NoError(t, err) {
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assert.Equal(t, int64(1), u.ID) // perfectly reasonable
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assert.Equal(t, int64(1), u.Child1.ID) // untagged struct containing tagged field gets filled (by tag)
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assert.Equal(t, int64(0), u.Child2.ID) // untagged struct containing untagged field should not be bind
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}
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}
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func TestBindJSON(t *testing.T) {
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assert := assert.New(t)
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testBindOkay(assert, strings.NewReader(userJSON), nil, MIMEApplicationJSON)
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testBindOkay(assert, strings.NewReader(userJSON), dummyQuery, MIMEApplicationJSON)
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testBindArrayOkay(assert, strings.NewReader(usersJSON), nil, MIMEApplicationJSON)
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testBindArrayOkay(assert, strings.NewReader(usersJSON), dummyQuery, MIMEApplicationJSON)
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testBindError(assert, strings.NewReader(invalidContent), MIMEApplicationJSON, &json.SyntaxError{})
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testBindError(assert, strings.NewReader(userJSONInvalidType), MIMEApplicationJSON, &json.UnmarshalTypeError{})
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}
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func TestBindXML(t *testing.T) {
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assert := assert.New(t)
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testBindOkay(assert, strings.NewReader(userXML), nil, MIMEApplicationXML)
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testBindOkay(assert, strings.NewReader(userXML), dummyQuery, MIMEApplicationXML)
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testBindArrayOkay(assert, strings.NewReader(userXML), nil, MIMEApplicationXML)
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testBindArrayOkay(assert, strings.NewReader(userXML), dummyQuery, MIMEApplicationXML)
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testBindError(assert, strings.NewReader(invalidContent), MIMEApplicationXML, errors.New(""))
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testBindError(assert, strings.NewReader(userXMLConvertNumberError), MIMEApplicationXML, &strconv.NumError{})
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testBindError(assert, strings.NewReader(userXMLUnsupportedTypeError), MIMEApplicationXML, &xml.SyntaxError{})
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testBindOkay(assert, strings.NewReader(userXML), nil, MIMETextXML)
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testBindOkay(assert, strings.NewReader(userXML), dummyQuery, MIMETextXML)
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testBindError(assert, strings.NewReader(invalidContent), MIMETextXML, errors.New(""))
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testBindError(assert, strings.NewReader(userXMLConvertNumberError), MIMETextXML, &strconv.NumError{})
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testBindError(assert, strings.NewReader(userXMLUnsupportedTypeError), MIMETextXML, &xml.SyntaxError{})
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}
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func TestBindForm(t *testing.T) {
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assert := assert.New(t)
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testBindOkay(assert, strings.NewReader(userForm), nil, MIMEApplicationForm)
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testBindOkay(assert, strings.NewReader(userForm), dummyQuery, MIMEApplicationForm)
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e := New()
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req := httptest.NewRequest(http.MethodPost, "/", strings.NewReader(userForm))
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rec := httptest.NewRecorder()
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c := e.NewContext(req, rec)
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req.Header.Set(HeaderContentType, MIMEApplicationForm)
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err := c.Bind(&[]struct{ Field string }{})
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assert.Error(err)
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}
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func TestBindQueryParams(t *testing.T) {
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e := New()
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req := httptest.NewRequest(http.MethodGet, "/?id=1&name=Jon+Snow", nil)
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rec := httptest.NewRecorder()
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c := e.NewContext(req, rec)
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u := new(user)
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err := c.Bind(u)
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if assert.NoError(t, err) {
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assert.Equal(t, 1, u.ID)
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assert.Equal(t, "Jon Snow", u.Name)
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}
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}
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func TestBindQueryParamsCaseInsensitive(t *testing.T) {
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e := New()
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req := httptest.NewRequest(http.MethodGet, "/?ID=1&NAME=Jon+Snow", nil)
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rec := httptest.NewRecorder()
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c := e.NewContext(req, rec)
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u := new(user)
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err := c.Bind(u)
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if assert.NoError(t, err) {
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assert.Equal(t, 1, u.ID)
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assert.Equal(t, "Jon Snow", u.Name)
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}
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}
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func TestBindQueryParamsCaseSensitivePrioritized(t *testing.T) {
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e := New()
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req := httptest.NewRequest(http.MethodGet, "/?id=1&ID=2&NAME=Jon+Snow&name=Jon+Doe", nil)
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rec := httptest.NewRecorder()
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c := e.NewContext(req, rec)
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u := new(user)
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err := c.Bind(u)
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if assert.NoError(t, err) {
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assert.Equal(t, 1, u.ID)
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assert.Equal(t, "Jon Doe", u.Name)
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}
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}
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func TestBindUnmarshalParam(t *testing.T) {
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e := New()
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req := httptest.NewRequest(http.MethodGet, "/?ts=2016-12-06T19:09:05Z&sa=one,two,three&ta=2016-12-06T19:09:05Z&ta=2016-12-06T19:09:05Z&ST=baz", nil)
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rec := httptest.NewRecorder()
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c := e.NewContext(req, rec)
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result := struct {
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T Timestamp `query:"ts"`
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TA []Timestamp `query:"ta"`
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SA StringArray `query:"sa"`
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ST Struct
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StWithTag struct {
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Foo string `query:"st"`
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}
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}{}
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err := c.Bind(&result)
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ts := Timestamp(time.Date(2016, 12, 6, 19, 9, 5, 0, time.UTC))
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assert := assert.New(t)
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if assert.NoError(err) {
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// assert.Equal( Timestamp(reflect.TypeOf(&Timestamp{}), time.Date(2016, 12, 6, 19, 9, 5, 0, time.UTC)), result.T)
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assert.Equal(ts, result.T)
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assert.Equal(StringArray([]string{"one", "two", "three"}), result.SA)
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assert.Equal([]Timestamp{ts, ts}, result.TA)
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assert.Equal(Struct{""}, result.ST) // child struct does not have a field with matching tag
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assert.Equal("baz", result.StWithTag.Foo) // child struct has field with matching tag
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}
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}
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func TestBindUnmarshalText(t *testing.T) {
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e := New()
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req := httptest.NewRequest(GET, "/?ts=2016-12-06T19:09:05Z&sa=one,two,three&ta=2016-12-06T19:09:05Z&ta=2016-12-06T19:09:05Z&ST=baz", nil)
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rec := httptest.NewRecorder()
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c := e.NewContext(req, rec)
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result := struct {
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T time.Time `query:"ts"`
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TA []time.Time `query:"ta"`
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SA StringArray `query:"sa"`
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ST Struct
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}{}
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err := c.Bind(&result)
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ts := time.Date(2016, 12, 6, 19, 9, 5, 0, time.UTC)
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if assert.NoError(t, err) {
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// assert.Equal(t, Timestamp(reflect.TypeOf(&Timestamp{}), time.Date(2016, 12, 6, 19, 9, 5, 0, time.UTC)), result.T)
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assert.Equal(t, ts, result.T)
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assert.Equal(t, StringArray([]string{"one", "two", "three"}), result.SA)
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assert.Equal(t, []time.Time{ts, ts}, result.TA)
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assert.Equal(t, Struct{""}, result.ST) // field in child struct does not have tag
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}
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}
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func TestBindUnmarshalParamPtr(t *testing.T) {
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e := New()
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req := httptest.NewRequest(http.MethodGet, "/?ts=2016-12-06T19:09:05Z", nil)
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rec := httptest.NewRecorder()
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c := e.NewContext(req, rec)
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result := struct {
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Tptr *Timestamp `query:"ts"`
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}{}
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err := c.Bind(&result)
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if assert.NoError(t, err) {
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assert.Equal(t, Timestamp(time.Date(2016, 12, 6, 19, 9, 5, 0, time.UTC)), *result.Tptr)
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}
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}
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func TestBindUnmarshalTextPtr(t *testing.T) {
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e := New()
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req := httptest.NewRequest(GET, "/?ts=2016-12-06T19:09:05Z", nil)
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rec := httptest.NewRecorder()
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c := e.NewContext(req, rec)
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result := struct {
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Tptr *time.Time `query:"ts"`
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}{}
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err := c.Bind(&result)
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if assert.NoError(t, err) {
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assert.Equal(t, time.Date(2016, 12, 6, 19, 9, 5, 0, time.UTC), *result.Tptr)
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}
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}
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func TestBindMultipartForm(t *testing.T) {
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bodyBuffer := new(bytes.Buffer)
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mw := multipart.NewWriter(bodyBuffer)
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mw.WriteField("id", "1")
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mw.WriteField("name", "Jon Snow")
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mw.Close()
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body := bodyBuffer.Bytes()
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assert := assert.New(t)
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testBindOkay(assert, bytes.NewReader(body), nil, mw.FormDataContentType())
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testBindOkay(assert, bytes.NewReader(body), dummyQuery, mw.FormDataContentType())
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}
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func TestBindUnsupportedMediaType(t *testing.T) {
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assert := assert.New(t)
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testBindError(assert, strings.NewReader(invalidContent), MIMEApplicationJSON, &json.SyntaxError{})
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}
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func TestBindbindData(t *testing.T) {
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a := assert.New(t)
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ts := new(bindTestStruct)
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b := new(DefaultBinder)
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err := b.bindData(ts, values, "form")
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a.NoError(err)
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a.Equal(0, ts.I)
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a.Equal(int8(0), ts.I8)
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a.Equal(int16(0), ts.I16)
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a.Equal(int32(0), ts.I32)
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a.Equal(int64(0), ts.I64)
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a.Equal(uint(0), ts.UI)
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a.Equal(uint8(0), ts.UI8)
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a.Equal(uint16(0), ts.UI16)
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a.Equal(uint32(0), ts.UI32)
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a.Equal(uint64(0), ts.UI64)
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a.Equal(false, ts.B)
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a.Equal(float32(0), ts.F32)
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a.Equal(float64(0), ts.F64)
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a.Equal("", ts.S)
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a.Equal("", ts.cantSet)
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}
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func TestBindParam(t *testing.T) {
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e := New()
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req := httptest.NewRequest(GET, "/", nil)
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rec := httptest.NewRecorder()
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c := e.NewContext(req, rec)
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c.SetPath("/users/:id/:name")
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c.SetParamNames("id", "name")
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c.SetParamValues("1", "Jon Snow")
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u := new(user)
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err := c.Bind(u)
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if assert.NoError(t, err) {
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assert.Equal(t, 1, u.ID)
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assert.Equal(t, "Jon Snow", u.Name)
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}
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// Second test for the absence of a param
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c2 := e.NewContext(req, rec)
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c2.SetPath("/users/:id")
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c2.SetParamNames("id")
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c2.SetParamValues("1")
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u = new(user)
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err = c2.Bind(u)
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if assert.NoError(t, err) {
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assert.Equal(t, 1, u.ID)
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assert.Equal(t, "", u.Name)
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}
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// Bind something with param and post data payload
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body := bytes.NewBufferString(`{ "name": "Jon Snow" }`)
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e2 := New()
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req2 := httptest.NewRequest(POST, "/", body)
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req2.Header.Set(HeaderContentType, MIMEApplicationJSON)
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rec2 := httptest.NewRecorder()
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c3 := e2.NewContext(req2, rec2)
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c3.SetPath("/users/:id")
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c3.SetParamNames("id")
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c3.SetParamValues("1")
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u = new(user)
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err = c3.Bind(u)
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if assert.NoError(t, err) {
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assert.Equal(t, 1, u.ID)
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assert.Equal(t, "Jon Snow", u.Name)
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}
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}
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func TestBindUnmarshalTypeError(t *testing.T) {
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body := bytes.NewBufferString(`{ "id": "text" }`)
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e := New()
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req := httptest.NewRequest(http.MethodPost, "/", body)
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req.Header.Set(HeaderContentType, MIMEApplicationJSON)
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rec := httptest.NewRecorder()
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c := e.NewContext(req, rec)
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u := new(user)
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err := c.Bind(u)
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he := &HTTPError{Code: http.StatusBadRequest, Message: "Unmarshal type error: expected=int, got=string, field=id, offset=14", Internal: err.(*HTTPError).Internal}
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assert.Equal(t, he, err)
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}
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func TestBindSetWithProperType(t *testing.T) {
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assert := assert.New(t)
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ts := new(bindTestStruct)
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typ := reflect.TypeOf(ts).Elem()
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val := reflect.ValueOf(ts).Elem()
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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(err)
|
|
}
|
|
assertBindTestStruct(assert, ts)
|
|
|
|
type foo struct {
|
|
Bar bytes.Buffer
|
|
}
|
|
v := &foo{}
|
|
typ = reflect.TypeOf(v).Elem()
|
|
val = reflect.ValueOf(v).Elem()
|
|
assert.Error(setWithProperType(typ.Field(0).Type.Kind(), "5", val.Field(0)))
|
|
}
|
|
|
|
func TestBindSetFields(t *testing.T) {
|
|
assert := assert.New(t)
|
|
|
|
ts := new(bindTestStruct)
|
|
val := reflect.ValueOf(ts).Elem()
|
|
// Int
|
|
if assert.NoError(setIntField("5", 0, val.FieldByName("I"))) {
|
|
assert.Equal(5, ts.I)
|
|
}
|
|
if assert.NoError(setIntField("", 0, val.FieldByName("I"))) {
|
|
assert.Equal(0, ts.I)
|
|
}
|
|
|
|
// Uint
|
|
if assert.NoError(setUintField("10", 0, val.FieldByName("UI"))) {
|
|
assert.Equal(uint(10), ts.UI)
|
|
}
|
|
if assert.NoError(setUintField("", 0, val.FieldByName("UI"))) {
|
|
assert.Equal(uint(0), ts.UI)
|
|
}
|
|
|
|
// Float
|
|
if assert.NoError(setFloatField("15.5", 0, val.FieldByName("F32"))) {
|
|
assert.Equal(float32(15.5), ts.F32)
|
|
}
|
|
if assert.NoError(setFloatField("", 0, val.FieldByName("F32"))) {
|
|
assert.Equal(float32(0.0), ts.F32)
|
|
}
|
|
|
|
// Bool
|
|
if assert.NoError(setBoolField("true", val.FieldByName("B"))) {
|
|
assert.Equal(true, ts.B)
|
|
}
|
|
if assert.NoError(setBoolField("", val.FieldByName("B"))) {
|
|
assert.Equal(false, ts.B)
|
|
}
|
|
|
|
ok, err := unmarshalFieldNonPtr("2016-12-06T19:09:05Z", val.FieldByName("T"))
|
|
if assert.NoError(err) {
|
|
assert.Equal(ok, true)
|
|
assert.Equal(Timestamp(time.Date(2016, 12, 6, 19, 9, 5, 0, time.UTC)), ts.T)
|
|
}
|
|
}
|
|
|
|
func BenchmarkBindbindDataWithTags(b *testing.B) {
|
|
b.ReportAllocs()
|
|
assert := assert.New(b)
|
|
ts := new(bindTestStructWithTags)
|
|
binder := new(DefaultBinder)
|
|
var err error
|
|
b.ResetTimer()
|
|
for i := 0; i < b.N; i++ {
|
|
err = binder.bindData(ts, values, "form")
|
|
}
|
|
assert.NoError(err)
|
|
assertBindTestStruct(assert, (*bindTestStruct)(ts))
|
|
}
|
|
|
|
func assertBindTestStruct(a *assert.Assertions, ts *bindTestStruct) {
|
|
a.Equal(0, ts.I)
|
|
a.Equal(int8(8), ts.I8)
|
|
a.Equal(int16(16), ts.I16)
|
|
a.Equal(int32(32), ts.I32)
|
|
a.Equal(int64(64), ts.I64)
|
|
a.Equal(uint(0), ts.UI)
|
|
a.Equal(uint8(8), ts.UI8)
|
|
a.Equal(uint16(16), ts.UI16)
|
|
a.Equal(uint32(32), ts.UI32)
|
|
a.Equal(uint64(64), ts.UI64)
|
|
a.Equal(true, ts.B)
|
|
a.Equal(float32(32.5), ts.F32)
|
|
a.Equal(float64(64.5), ts.F64)
|
|
a.Equal("test", ts.S)
|
|
a.Equal("", ts.GetCantSet())
|
|
}
|
|
|
|
func testBindOkay(assert *assert.Assertions, r io.Reader, query url.Values, ctype string) {
|
|
e := New()
|
|
path := "/"
|
|
if len(query) > 0 {
|
|
path += "?" + query.Encode()
|
|
}
|
|
req := httptest.NewRequest(http.MethodPost, path, r)
|
|
rec := httptest.NewRecorder()
|
|
c := e.NewContext(req, rec)
|
|
req.Header.Set(HeaderContentType, ctype)
|
|
u := new(user)
|
|
err := c.Bind(u)
|
|
if assert.NoError(err) {
|
|
assert.Equal(1, u.ID)
|
|
assert.Equal("Jon Snow", u.Name)
|
|
}
|
|
}
|
|
|
|
func testBindArrayOkay(assert *assert.Assertions, r io.Reader, query url.Values, ctype string) {
|
|
e := New()
|
|
path := "/"
|
|
if len(query) > 0 {
|
|
path += "?" + query.Encode()
|
|
}
|
|
req := httptest.NewRequest(http.MethodPost, path, r)
|
|
rec := httptest.NewRecorder()
|
|
c := e.NewContext(req, rec)
|
|
req.Header.Set(HeaderContentType, ctype)
|
|
u := []user{}
|
|
err := c.Bind(&u)
|
|
if assert.NoError(err) {
|
|
assert.Equal(1, len(u))
|
|
assert.Equal(1, u[0].ID)
|
|
assert.Equal("Jon Snow", u[0].Name)
|
|
}
|
|
}
|
|
|
|
func testBindError(assert *assert.Assertions, r io.Reader, ctype string, expectedInternal error) {
|
|
e := New()
|
|
req := httptest.NewRequest(http.MethodPost, "/", r)
|
|
rec := httptest.NewRecorder()
|
|
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, MIMETextXML),
|
|
strings.HasPrefix(ctype, MIMEApplicationForm), strings.HasPrefix(ctype, MIMEMultipartForm):
|
|
if assert.IsType(new(HTTPError), err) {
|
|
assert.Equal(http.StatusBadRequest, err.(*HTTPError).Code)
|
|
assert.IsType(expectedInternal, err.(*HTTPError).Internal)
|
|
}
|
|
default:
|
|
if assert.IsType(new(HTTPError), err) {
|
|
assert.Equal(ErrUnsupportedMediaType, err)
|
|
assert.IsType(expectedInternal, err.(*HTTPError).Internal)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestDefaultBinder_BindToStructFromMixedSources(t *testing.T) {
|
|
// tests to check binding behaviour when multiple sources path params, query params and request body are in use
|
|
// binding is done in steps and one source could overwrite previous source binded data
|
|
// these tests are to document this behaviour and detect further possible regressions when bind implementation is changed
|
|
|
|
type Opts struct {
|
|
ID int `json:"id" form:"id" query:"id"`
|
|
Node string `json:"node" form:"node" query:"node" param:"node"`
|
|
Lang string
|
|
}
|
|
|
|
var testCases = []struct {
|
|
name string
|
|
givenURL string
|
|
givenContent io.Reader
|
|
givenMethod string
|
|
whenBindTarget interface{}
|
|
whenNoPathParams bool
|
|
expect interface{}
|
|
expectError string
|
|
}{
|
|
{
|
|
name: "ok, POST bind to struct with: path param + query param + body",
|
|
givenMethod: http.MethodPost,
|
|
givenURL: "/api/real_node/endpoint?node=xxx",
|
|
givenContent: strings.NewReader(`{"id": 1}`),
|
|
expect: &Opts{ID: 1, Node: "node_from_path"}, // query params are not used, node is filled from path
|
|
},
|
|
{
|
|
name: "ok, PUT bind to struct with: path param + query param + body",
|
|
givenMethod: http.MethodPut,
|
|
givenURL: "/api/real_node/endpoint?node=xxx",
|
|
givenContent: strings.NewReader(`{"id": 1}`),
|
|
expect: &Opts{ID: 1, Node: "node_from_path"}, // query params are not used
|
|
},
|
|
{
|
|
name: "ok, GET bind to struct with: path param + query param + body",
|
|
givenMethod: http.MethodGet,
|
|
givenURL: "/api/real_node/endpoint?node=xxx",
|
|
givenContent: strings.NewReader(`{"id": 1}`),
|
|
expect: &Opts{ID: 1, Node: "xxx"}, // query overwrites previous path value
|
|
},
|
|
{
|
|
name: "ok, GET bind to struct with: path param + query param + body",
|
|
givenMethod: http.MethodGet,
|
|
givenURL: "/api/real_node/endpoint?node=xxx",
|
|
givenContent: strings.NewReader(`{"id": 1, "node": "zzz"}`),
|
|
expect: &Opts{ID: 1, Node: "zzz"}, // body is binded last and overwrites previous (path,query) values
|
|
},
|
|
{
|
|
name: "ok, DELETE bind to struct with: path param + query param + body",
|
|
givenMethod: http.MethodDelete,
|
|
givenURL: "/api/real_node/endpoint?node=xxx",
|
|
givenContent: strings.NewReader(`{"id": 1, "node": "zzz"}`),
|
|
expect: &Opts{ID: 1, Node: "zzz"}, // for DELETE body is binded after query params
|
|
},
|
|
{
|
|
name: "ok, POST bind to struct with: path param + body",
|
|
givenMethod: http.MethodPost,
|
|
givenURL: "/api/real_node/endpoint",
|
|
givenContent: strings.NewReader(`{"id": 1}`),
|
|
expect: &Opts{ID: 1, Node: "node_from_path"},
|
|
},
|
|
{
|
|
name: "ok, POST bind to struct with path + query + body = body has priority",
|
|
givenMethod: http.MethodPost,
|
|
givenURL: "/api/real_node/endpoint?node=xxx",
|
|
givenContent: strings.NewReader(`{"id": 1, "node": "zzz"}`),
|
|
expect: &Opts{ID: 1, Node: "zzz"}, // field value from content has higher priority
|
|
},
|
|
{
|
|
name: "nok, POST body bind failure",
|
|
givenMethod: http.MethodPost,
|
|
givenURL: "/api/real_node/endpoint?node=xxx",
|
|
givenContent: strings.NewReader(`{`),
|
|
expect: &Opts{ID: 0, Node: "node_from_path"}, // query binding has already modified bind target
|
|
expectError: "code=400, message=unexpected EOF, internal=unexpected EOF",
|
|
},
|
|
{
|
|
name: "nok, GET with body bind failure when types are not convertible",
|
|
givenMethod: http.MethodGet,
|
|
givenURL: "/api/real_node/endpoint?id=nope",
|
|
givenContent: strings.NewReader(`{"id": 1, "node": "zzz"}`),
|
|
expect: &Opts{ID: 0, Node: "node_from_path"}, // path params binding has already modified bind target
|
|
expectError: "code=400, message=strconv.ParseInt: parsing \"nope\": invalid syntax, internal=strconv.ParseInt: parsing \"nope\": invalid syntax",
|
|
},
|
|
{
|
|
name: "nok, GET body bind failure - trying to bind json array to struct",
|
|
givenMethod: http.MethodGet,
|
|
givenURL: "/api/real_node/endpoint?node=xxx",
|
|
givenContent: strings.NewReader(`[{"id": 1}]`),
|
|
expect: &Opts{ID: 0, Node: "xxx"}, // query binding has already modified bind target
|
|
expectError: "code=400, message=Unmarshal type error: expected=echo.Opts, got=array, field=, offset=1, internal=json: cannot unmarshal array into Go value of type echo.Opts",
|
|
},
|
|
{ // query param is ignored as we do not know where exactly to bind it in slice
|
|
name: "ok, GET bind to struct slice, ignore query param",
|
|
givenMethod: http.MethodGet,
|
|
givenURL: "/api/real_node/endpoint?node=xxx",
|
|
givenContent: strings.NewReader(`[{"id": 1}]`),
|
|
whenNoPathParams: true,
|
|
whenBindTarget: &[]Opts{},
|
|
expect: &[]Opts{
|
|
{ID: 1, Node: ""},
|
|
},
|
|
},
|
|
{ // binding query params interferes with body. b.BindBody() should be used to bind only body to slice
|
|
name: "ok, POST binding to slice should not be affected query params types",
|
|
givenMethod: http.MethodPost,
|
|
givenURL: "/api/real_node/endpoint?id=nope&node=xxx",
|
|
givenContent: strings.NewReader(`[{"id": 1}]`),
|
|
whenNoPathParams: true,
|
|
whenBindTarget: &[]Opts{},
|
|
expect: &[]Opts{{ID: 1}},
|
|
expectError: "",
|
|
},
|
|
{ // path param is ignored as we do not know where exactly to bind it in slice
|
|
name: "ok, GET bind to struct slice, ignore path param",
|
|
givenMethod: http.MethodGet,
|
|
givenURL: "/api/real_node/endpoint?node=xxx",
|
|
givenContent: strings.NewReader(`[{"id": 1}]`),
|
|
whenBindTarget: &[]Opts{},
|
|
expect: &[]Opts{
|
|
{ID: 1, Node: ""},
|
|
},
|
|
},
|
|
{
|
|
name: "ok, GET body bind json array to slice",
|
|
givenMethod: http.MethodGet,
|
|
givenURL: "/api/real_node/endpoint",
|
|
givenContent: strings.NewReader(`[{"id": 1}]`),
|
|
whenNoPathParams: true,
|
|
whenBindTarget: &[]Opts{},
|
|
expect: &[]Opts{{ID: 1, Node: ""}},
|
|
expectError: "",
|
|
},
|
|
}
|
|
|
|
for _, tc := range testCases {
|
|
t.Run(tc.name, func(t *testing.T) {
|
|
e := New()
|
|
// assume route we are testing is "/api/:node/endpoint?some_query_params=here"
|
|
req := httptest.NewRequest(tc.givenMethod, tc.givenURL, tc.givenContent)
|
|
req.Header.Set(HeaderContentType, MIMEApplicationJSON)
|
|
rec := httptest.NewRecorder()
|
|
c := e.NewContext(req, rec)
|
|
|
|
if !tc.whenNoPathParams {
|
|
c.SetParamNames("node")
|
|
c.SetParamValues("node_from_path")
|
|
}
|
|
|
|
var bindTarget interface{}
|
|
if tc.whenBindTarget != nil {
|
|
bindTarget = tc.whenBindTarget
|
|
} else {
|
|
bindTarget = &Opts{}
|
|
}
|
|
b := new(DefaultBinder)
|
|
|
|
err := b.Bind(bindTarget, c)
|
|
if tc.expectError != "" {
|
|
assert.EqualError(t, err, tc.expectError)
|
|
} else {
|
|
assert.NoError(t, err)
|
|
}
|
|
assert.Equal(t, tc.expect, bindTarget)
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestDefaultBinder_BindBody(t *testing.T) {
|
|
// tests to check binding behaviour when multiple sources path params, query params and request body are in use
|
|
// generally when binding from request body - URL and path params are ignored - unless form is being binded.
|
|
// these tests are to document this behaviour and detect further possible regressions when bind implementation is changed
|
|
|
|
type Node struct {
|
|
ID int `json:"id" xml:"id" form:"id" query:"id"`
|
|
Node string `json:"node" xml:"node" form:"node" query:"node" param:"node"`
|
|
}
|
|
type Nodes struct {
|
|
Nodes []Node `xml:"node" form:"node"`
|
|
}
|
|
|
|
var testCases = []struct {
|
|
name string
|
|
givenURL string
|
|
givenContent io.Reader
|
|
givenMethod string
|
|
givenContentType string
|
|
whenNoPathParams bool
|
|
whenBindTarget interface{}
|
|
expect interface{}
|
|
expectError string
|
|
}{
|
|
{
|
|
name: "ok, JSON POST bind to struct with: path + query + empty field in body",
|
|
givenURL: "/api/real_node/endpoint?node=xxx",
|
|
givenMethod: http.MethodPost,
|
|
givenContentType: MIMEApplicationJSON,
|
|
givenContent: strings.NewReader(`{"id": 1}`),
|
|
expect: &Node{ID: 1, Node: ""}, // path params or query params should not interfere with body
|
|
},
|
|
{
|
|
name: "ok, JSON POST bind to struct with: path + query + body",
|
|
givenURL: "/api/real_node/endpoint?node=xxx",
|
|
givenMethod: http.MethodPost,
|
|
givenContentType: MIMEApplicationJSON,
|
|
givenContent: strings.NewReader(`{"id": 1, "node": "zzz"}`),
|
|
expect: &Node{ID: 1, Node: "zzz"}, // field value from content has higher priority
|
|
},
|
|
{
|
|
name: "ok, JSON POST body bind json array to slice (has matching path/query params)",
|
|
givenURL: "/api/real_node/endpoint?node=xxx",
|
|
givenMethod: http.MethodPost,
|
|
givenContentType: MIMEApplicationJSON,
|
|
givenContent: strings.NewReader(`[{"id": 1}]`),
|
|
whenNoPathParams: true,
|
|
whenBindTarget: &[]Node{},
|
|
expect: &[]Node{{ID: 1, Node: ""}},
|
|
expectError: "",
|
|
},
|
|
{ // rare case as GET is not usually used to send request body
|
|
name: "ok, JSON GET bind to struct with: path + query + empty field in body",
|
|
givenURL: "/api/real_node/endpoint?node=xxx",
|
|
givenMethod: http.MethodGet,
|
|
givenContentType: MIMEApplicationJSON,
|
|
givenContent: strings.NewReader(`{"id": 1}`),
|
|
expect: &Node{ID: 1, Node: ""}, // path params or query params should not interfere with body
|
|
},
|
|
{ // rare case as GET is not usually used to send request body
|
|
name: "ok, JSON GET bind to struct with: path + query + body",
|
|
givenURL: "/api/real_node/endpoint?node=xxx",
|
|
givenMethod: http.MethodGet,
|
|
givenContentType: MIMEApplicationJSON,
|
|
givenContent: strings.NewReader(`{"id": 1, "node": "zzz"}`),
|
|
expect: &Node{ID: 1, Node: "zzz"}, // field value from content has higher priority
|
|
},
|
|
{
|
|
name: "nok, JSON POST body bind failure",
|
|
givenURL: "/api/real_node/endpoint?node=xxx",
|
|
givenMethod: http.MethodPost,
|
|
givenContentType: MIMEApplicationJSON,
|
|
givenContent: strings.NewReader(`{`),
|
|
expect: &Node{ID: 0, Node: ""},
|
|
expectError: "code=400, message=unexpected EOF, internal=unexpected EOF",
|
|
},
|
|
{
|
|
name: "ok, XML POST bind to struct with: path + query + empty body",
|
|
givenURL: "/api/real_node/endpoint?node=xxx",
|
|
givenMethod: http.MethodPost,
|
|
givenContentType: MIMEApplicationXML,
|
|
givenContent: strings.NewReader(`<node><id>1</id><node>yyy</node></node>`),
|
|
expect: &Node{ID: 1, Node: "yyy"},
|
|
},
|
|
{
|
|
name: "ok, XML POST bind array to slice with: path + query + body",
|
|
givenURL: "/api/real_node/endpoint?node=xxx",
|
|
givenMethod: http.MethodPost,
|
|
givenContentType: MIMEApplicationXML,
|
|
givenContent: strings.NewReader(`<nodes><node><id>1</id><node>yyy</node></node></nodes>`),
|
|
whenBindTarget: &Nodes{},
|
|
expect: &Nodes{Nodes: []Node{{ID: 1, Node: "yyy"}}},
|
|
},
|
|
{
|
|
name: "nok, XML POST bind failure",
|
|
givenURL: "/api/real_node/endpoint?node=xxx",
|
|
givenMethod: http.MethodPost,
|
|
givenContentType: MIMEApplicationXML,
|
|
givenContent: strings.NewReader(`<node><`),
|
|
expect: &Node{ID: 0, Node: ""},
|
|
expectError: "code=400, message=Syntax error: line=1, error=XML syntax error on line 1: unexpected EOF, internal=XML syntax error on line 1: unexpected EOF",
|
|
},
|
|
{
|
|
name: "ok, FORM POST bind to struct with: path + query + body",
|
|
givenURL: "/api/real_node/endpoint?node=xxx",
|
|
givenMethod: http.MethodPost,
|
|
givenContentType: MIMEApplicationForm,
|
|
givenContent: strings.NewReader(`id=1&node=yyy`),
|
|
expect: &Node{ID: 1, Node: "yyy"},
|
|
},
|
|
{
|
|
// NB: form values are taken from BOTH body and query for POST/PUT/PATCH by standard library implementation
|
|
// See: https://golang.org/pkg/net/http/#Request.ParseForm
|
|
name: "ok, FORM POST bind to struct with: path + query + empty field in body",
|
|
givenURL: "/api/real_node/endpoint?node=xxx",
|
|
givenMethod: http.MethodPost,
|
|
givenContentType: MIMEApplicationForm,
|
|
givenContent: strings.NewReader(`id=1`),
|
|
expect: &Node{ID: 1, Node: "xxx"},
|
|
},
|
|
{
|
|
// NB: form values are taken from query by standard library implementation
|
|
// See: https://golang.org/pkg/net/http/#Request.ParseForm
|
|
name: "ok, FORM GET bind to struct with: path + query + empty field in body",
|
|
givenURL: "/api/real_node/endpoint?node=xxx",
|
|
givenMethod: http.MethodGet,
|
|
givenContentType: MIMEApplicationForm,
|
|
givenContent: strings.NewReader(`id=1`),
|
|
expect: &Node{ID: 0, Node: "xxx"}, // 'xxx' is taken from URL and body is not used with GET by implementation
|
|
},
|
|
{
|
|
name: "nok, unsupported content type",
|
|
givenURL: "/api/real_node/endpoint?node=xxx",
|
|
givenMethod: http.MethodPost,
|
|
givenContentType: MIMETextPlain,
|
|
givenContent: strings.NewReader(`<html></html>`),
|
|
expect: &Node{ID: 0, Node: ""},
|
|
expectError: "code=415, message=Unsupported Media Type",
|
|
},
|
|
}
|
|
|
|
for _, tc := range testCases {
|
|
t.Run(tc.name, func(t *testing.T) {
|
|
e := New()
|
|
// assume route we are testing is "/api/:node/endpoint?some_query_params=here"
|
|
req := httptest.NewRequest(tc.givenMethod, tc.givenURL, tc.givenContent)
|
|
switch tc.givenContentType {
|
|
case MIMEApplicationXML:
|
|
req.Header.Set(HeaderContentType, MIMEApplicationXML)
|
|
case MIMEApplicationForm:
|
|
req.Header.Set(HeaderContentType, MIMEApplicationForm)
|
|
case MIMEApplicationJSON:
|
|
req.Header.Set(HeaderContentType, MIMEApplicationJSON)
|
|
}
|
|
rec := httptest.NewRecorder()
|
|
c := e.NewContext(req, rec)
|
|
|
|
if !tc.whenNoPathParams {
|
|
c.SetParamNames("node")
|
|
c.SetParamValues("real_node")
|
|
}
|
|
|
|
var bindTarget interface{}
|
|
if tc.whenBindTarget != nil {
|
|
bindTarget = tc.whenBindTarget
|
|
} else {
|
|
bindTarget = &Node{}
|
|
}
|
|
b := new(DefaultBinder)
|
|
|
|
err := b.BindBody(c, bindTarget)
|
|
if tc.expectError != "" {
|
|
assert.EqualError(t, err, tc.expectError)
|
|
} else {
|
|
assert.NoError(t, err)
|
|
}
|
|
assert.Equal(t, tc.expect, bindTarget)
|
|
})
|
|
}
|
|
}
|