func TestPartialDecoder_set(t *testing.T) {
// mock request context
r := &http.Request{
Body: ioutil.NopCloser(strings.NewReader(`{"hello": "world"}`)),
}
ctx := gourdctx.WithHTTPRequest(context.Background(), r)
ctx = httpservice.WithPartialDecoder(ctx, func(r *http.Request) httpservice.Decoder {
return json.NewDecoder(r.Body)
})
// decode the context into entity struct
entity := struct {
Hello string `json:"hello"`
}{}
dec, ok := httpservice.PartialDecoderFrom(ctx)
if !ok {
t.Errorf("expected ok to be true")
}
// test decoding
if err := dec.Decode(&entity); err != nil {
t.Errorf("unexpected error: %s", err)
}
// test decoded result
if want, have := "world", entity.Hello; want != have {
t.Errorf("exptected %#v, got %#v", want, have)
}
}
func TestDecoder_Nil(t *testing.T) {
// mock request context
ctx := context.Background()
r := &http.Request{}
ctx = httpservice.ProvideJSONDecoder(ctx, r)
dec, ok := httpservice.DecoderFrom(ctx)
if ok {
t.Error("unexpected ok")
}
if dec != nil {
t.Errorf("unexpected decoder value %#v", dec)
}
}
// NewJSONService creates a service descriptor
// with defaults for a simple JSON service
func NewJSONService(path string, ep endpoint.Endpoint) *Service {
return &Service{
Path: path,
Methods: []string{"GET"},
Weight: 0,
Context: context.Background(),
Endpoint: ep,
Middlewares: &Middlewares{},
DecodeFunc: delayDecodeFunc,
EncodeFunc: jsonEncodeFunc,
Before: []httptransport.RequestFunc{
gourdctx.WithHTTPRequest,
ProvideJSONDecoder,
},
After: []httptransport.ServerResponseFunc{},
ErrorEncoder: jsonErrorEncoder,
Options: []httptransport.ServerOption{},
}
}