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bindform_test.go
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package runtime
import (
"bytes"
"mime/multipart"
"net/url"
"testing"
"github.com/oapi-codegen/runtime/types"
"github.com/stretchr/testify/assert"
)
func TestBindURLForm(t *testing.T) {
type testSubStruct struct {
Int int `json:"int"`
String string `json:"string"`
AdditionalProperties map[string]string `json:"-"`
}
type testStruct struct {
Int int `json:"int"`
Bool bool `json:"bool,omitempty"`
String string `json:"string"`
IntSlice []int `json:"int_slice"`
Struct testSubStruct `json:"struct"`
StructSlice []testSubStruct `json:"struct_slice"`
OptInt *int `json:"opt_int,omitempty"`
OptBool *bool `json:"opt_bool,omitempty"`
OptString *string `json:"opt_string,omitempty"`
OptStruct *testSubStruct `json:"opt_struct,omitempty"`
OptStructSlice *[]testSubStruct `json:"opt_struct_slice,omitempty"`
NotSerializable int `json:"-"`
unexported int //nolint:unused
}
testCases := map[string]testStruct{
"int=123": {Int: 123},
"bool=true": {Bool: true},
"string=example": {String: "example"},
"int_slice=1&int_slice=2&int_slice=3": {IntSlice: []int{1, 2, 3}},
"int_slice[]=1&int_slice[]=2&int_slice[]=3": {IntSlice: []int{1, 2, 3}},
"int_slice[2]=3&int_slice[1]=2&int_slice[0]=1": {IntSlice: []int{1, 2, 3}},
"struct[int]=789&struct[string]=abc": {Struct: testSubStruct{Int: 789, String: "abc"}},
"struct_slice[0][int]=3&struct_slice[0][string]=a&struct_slice[1][int]=2&struct_slice[1][string]=b&struct_slice[2][int]=1&struct_slice[2][string]=c": {
StructSlice: []testSubStruct{{Int: 3, String: "a"}, {Int: 2, String: "b"}, {Int: 1, String: "c"}},
},
"opt_int=456": {OptInt: func(v int) *int { return &v }(456)},
"opt_bool=true": {OptBool: func(v bool) *bool { return &v }(true)},
"opt_string=def": {OptString: func(v string) *string { return &v }("def")},
"opt_struct[int]=456&opt_struct[string]=def": {OptStruct: &testSubStruct{Int: 456, String: "def"}},
"opt_struct_slice[0][int]=123&opt_struct_slice[0][string]=abc&opt_struct_slice[1][int]=456&opt_struct_slice[1][string]=def": {
OptStructSlice: &([]testSubStruct{{Int: 123, String: "abc"}, {Int: 456, String: "def"}}),
},
"opt_struct[additional_property]=123": {
OptStruct: &testSubStruct{AdditionalProperties: map[string]string{"additional_property": "123"}},
},
}
for k, v := range testCases {
values, err := url.ParseQuery(k)
assert.NoError(t, err)
var result testStruct
err = BindForm(&result, values, nil, nil)
assert.NoError(t, err)
assert.Equal(t, v, result)
}
}
func TestBindMultipartForm(t *testing.T) {
var testStruct struct {
File types.File `json:"file"`
OptFile *types.File `json:"opt_file,omitempty"`
Files []types.File `json:"files"`
OptFiles *[]types.File `json:"opt_files"`
}
form, err := makeMultipartFilesForm([]fileData{{field: "file", filename: "123.txt", content: []byte("123")}})
assert.NoError(t, err)
err = BindForm(&testStruct, form.Value, form.File, nil)
assert.NoError(t, err)
assert.Equal(t, "123.txt", testStruct.File.Filename())
content, err := testStruct.File.Bytes()
assert.NoError(t, err)
assert.Equal(t, []byte("123"), content)
form, err = makeMultipartFilesForm([]fileData{
{field: "files", filename: "123.pdf", content: []byte("123")},
{field: "files", filename: "456.pdf", content: []byte("456")},
{field: "files", filename: "789.pdf", content: []byte("789")},
})
assert.NoError(t, err)
err = BindForm(&testStruct, form.Value, form.File, nil)
assert.NoError(t, err)
assert.Equal(t, 3, len(testStruct.Files))
assert.Equal(t, "123.pdf", testStruct.Files[0].Filename())
assert.Equal(t, "456.pdf", testStruct.Files[1].Filename())
assert.Equal(t, "789.pdf", testStruct.Files[2].Filename())
form, err = makeMultipartFilesForm([]fileData{{field: "opt_file", filename: "456.png", content: []byte("456")}})
assert.NoError(t, err)
err = BindForm(&testStruct, form.Value, form.File, nil)
assert.NoError(t, err)
assert.Equal(t, "456.png", testStruct.OptFile.Filename())
content, err = testStruct.OptFile.Bytes()
assert.NoError(t, err)
assert.Equal(t, []byte("456"), content)
form, err = makeMultipartFilesForm([]fileData{
{field: "opt_files[2]", filename: "123.pdf", content: []byte("123")},
{field: "opt_files[1]", filename: "456.pdf", content: []byte("456")},
{field: "opt_files[0]", filename: "789.pdf", content: []byte("789")},
})
assert.NoError(t, err)
err = BindForm(&testStruct, form.Value, form.File, nil)
assert.NoError(t, err)
assert.NotNil(t, testStruct.OptFiles)
assert.Equal(t, 3, len(*testStruct.OptFiles))
assert.Equal(t, "789.pdf", (*testStruct.OptFiles)[0].Filename())
assert.Equal(t, "456.pdf", (*testStruct.OptFiles)[1].Filename())
assert.Equal(t, "123.pdf", (*testStruct.OptFiles)[2].Filename())
}
func TestMarshalForm(t *testing.T) {
type testSubStruct struct {
Int int `json:"int"`
String string `json:"string"`
}
type testStruct struct {
Int int `json:"int,omitempty"`
Bool bool `json:"bool,omitempty"`
String string `json:"string,omitempty"`
IntSlice []int `json:"int_slice,omitempty"`
Struct testSubStruct `json:"struct,omitempty"`
StructSlice []testSubStruct `json:"struct_slice,omitempty"`
OptInt *int `json:"opt_int,omitempty"`
OptBool *bool `json:"opt_bool,omitempty"`
OptBoolNullable *bool `json:"opt_bool_nullable"`
OptString *string `json:"opt_string,omitempty"`
OptStruct *testSubStruct `json:"opt_struct,omitempty"`
OptStructSlice *[]testSubStruct `json:"opt_struct_slice,omitempty"`
NotSerializable int `json:"-"`
unexported int //nolint:unused
}
testCases := map[string]testStruct{
"int=123": {Int: 123},
"bool=true": {Bool: true},
"string=example": {String: "example"},
"int_slice[0]=1&int_slice[1]=2&int_slice[2]=3": {IntSlice: []int{1, 2, 3}},
"struct[int]=789&struct[string]=abc": {Struct: testSubStruct{Int: 789, String: "abc"}},
"struct_slice[0][int]=3&struct_slice[0][string]=a&struct_slice[1][int]=2&struct_slice[1][string]=b&struct_slice[2][int]=1&struct_slice[2][string]=c": {
StructSlice: []testSubStruct{{Int: 3, String: "a"}, {Int: 2, String: "b"}, {Int: 1, String: "c"}},
},
"opt_int=456": {OptInt: func(v int) *int { return &v }(456)},
"opt_bool=true": {OptBool: func(v bool) *bool { return &v }(true)},
"": {OptBoolNullable: nil},
"opt_string=def": {OptString: func(v string) *string { return &v }("def")},
"opt_struct[int]=456&opt_struct[string]=def": {OptStruct: &testSubStruct{Int: 456, String: "def"}},
"opt_struct_slice[0][int]=123&opt_struct_slice[0][string]=abc&opt_struct_slice[1][int]=456&opt_struct_slice[1][string]=def": {
OptStructSlice: &([]testSubStruct{{Int: 123, String: "abc"}, {Int: 456, String: "def"}}),
},
}
for k, v := range testCases {
marshaled, err := MarshalForm(v, nil)
assert.NoError(t, err)
encoded, err := url.QueryUnescape(marshaled.Encode())
assert.NoError(t, err)
assert.Equal(t, k, encoded)
}
}
type fileData struct {
field string
filename string
content []byte
}
func makeMultipartFilesForm(files []fileData) (*multipart.Form, error) {
var buffer bytes.Buffer
mw := multipart.NewWriter(&buffer)
for _, file := range files {
w, err := mw.CreateFormFile(file.field, file.filename)
if err != nil {
return nil, err
}
_, err = w.Write(file.content)
if err != nil {
return nil, err
}
}
err := mw.Close()
if err != nil {
return nil, err
}
mr := multipart.NewReader(&buffer, mw.Boundary())
return mr.ReadForm(1024)
}