package handlers

import "bytes"
import "encoding/json"
import "net/http"
import "net/http/httptest"
import "testing"

func TestWriteJSON(t *testing.T) {
	var recorder *httptest.ResponseRecorder
	var payload map[string]string
	recorder = httptest.NewRecorder()
	payload = map[string]string{"status": "ok"}
	WriteJSON(recorder, http.StatusAccepted, payload)
	if recorder.Code != http.StatusAccepted {
		t.Fatalf("unexpected status: %d", recorder.Code)
	}
	if recorder.Header().Get("Content-Type") != "application/json" {
		t.Fatalf("unexpected content-type: %s", recorder.Header().Get("Content-Type"))
	}
}

func TestDecodeJSON(t *testing.T) {
	var body []byte
	var req *http.Request
	var target struct {
		Name string `json:"name"`
	}
	var err error
	body, _ = json.Marshal(map[string]string{"name": "bob"})
	req = httptest.NewRequest(http.MethodPost, "/", bytes.NewReader(body))
	err = DecodeJSON(req, &target)
	if err != nil {
		t.Fatalf("DecodeJSON error: %v", err)
	}
	if target.Name != "bob" {
		t.Fatalf("unexpected decoded value: %s", target.Name)
	}
}