cms-server/api/event/event_handler_test.go

package event

import (
	"bytes"
	"context"
	"encoding/json"
	"net/http"
	"net/http/httptest"
	"testing"
	"time"

	"github.com/gin-gonic/gin"
	"github.com/google/uuid"
	"github.com/spf13/viper"
	"github.com/stretchr/testify/assert"
	"github.com/stretchr/testify/require"
	"nixcn-cms/data"
	"nixcn-cms/internal/authtoken"
	"nixcn-cms/service/service_event"
	"nixcn-cms/testutil"
)

func init() { gin.SetMode(gin.TestMode) }

func issueToken(t *testing.T, userId uuid.UUID) string {
	t.Helper()
	tok := &authtoken.Token{Application: viper.GetString("server.application")}
	access, _, err := tok.IssueTokens(context.Background(), testutil.TestClientID, userId)
	require.NoError(t, err)
	return access
}

func newEventRouter(t *testing.T) *gin.Engine {
	t.Helper()
	r := gin.New()
	ApiHandler(r.Group("/event"))
	return r
}

func postJSON(t *testing.T, r *gin.Engine, path string, body any) *httptest.ResponseRecorder {
	t.Helper()
	b, _ := json.Marshal(body)
	req := httptest.NewRequest(http.MethodPost, path, bytes.NewBuffer(b))
	req.Header.Set("Content-Type", "application/json")
	w := httptest.NewRecorder()
	r.ServeHTTP(w, req)
	return w
}

func getRequest(t *testing.T, r *gin.Engine, path string) *httptest.ResponseRecorder {
	t.Helper()
	req := httptest.NewRequest(http.MethodGet, path, nil)
	w := httptest.NewRecorder()
	r.ServeHTTP(w, req)
	return w
}

func patchJSON(t *testing.T, r *gin.Engine, path string, body any) *httptest.ResponseRecorder {
	t.Helper()
	b, _ := json.Marshal(body)
	req := httptest.NewRequest(http.MethodPatch, path, bytes.NewBuffer(b))
	req.Header.Set("Content-Type", "application/json")
	w := httptest.NewRecorder()
	r.ServeHTTP(w, req)
	return w
}

func deleteReq(t *testing.T, r *gin.Engine, path string, body any) *httptest.ResponseRecorder {
	t.Helper()
	b, _ := json.Marshal(body)
	req := httptest.NewRequest(http.MethodDelete, path, bytes.NewBuffer(b))
	req.Header.Set("Content-Type", "application/json")
	w := httptest.NewRecorder()
	r.ServeHTTP(w, req)
	return w
}

func postWithBearer(t *testing.T, r *gin.Engine, path, token string, body any) *httptest.ResponseRecorder {
	t.Helper()
	b, _ := json.Marshal(body)
	req := httptest.NewRequest(http.MethodPost, path, bytes.NewBuffer(b))
	req.Header.Set("Content-Type", "application/json")
	req.Header.Set("Authorization", "Bearer "+token)
	w := httptest.NewRecorder()
	r.ServeHTTP(w, req)
	return w
}

func getWithBearer(t *testing.T, r *gin.Engine, path, token string) *httptest.ResponseRecorder {
	t.Helper()
	req := httptest.NewRequest(http.MethodGet, path, nil)
	req.Header.Set("Authorization", "Bearer "+token)
	w := httptest.NewRecorder()
	r.ServeHTTP(w, req)
	return w
}

func patchWithBearer(t *testing.T, r *gin.Engine, path, token string, body any) *httptest.ResponseRecorder {
	t.Helper()
	b, _ := json.Marshal(body)
	req := httptest.NewRequest(http.MethodPatch, path, bytes.NewBuffer(b))
	req.Header.Set("Content-Type", "application/json")
	req.Header.Set("Authorization", "Bearer "+token)
	w := httptest.NewRecorder()
	r.ServeHTTP(w, req)
	return w
}

func deleteWithBearer(t *testing.T, r *gin.Engine, path, token string, body any) *httptest.ResponseRecorder {
	t.Helper()
	b, _ := json.Marshal(body)
	req := httptest.NewRequest(http.MethodDelete, path, bytes.NewBuffer(b))
	req.Header.Set("Content-Type", "application/json")
	req.Header.Set("Authorization", "Bearer "+token)
	w := httptest.NewRecorder()
	r.ServeHTTP(w, req)
	return w
}

// ---- Create ----

func TestEventCreateHandler(t *testing.T) {
	testutil.SetupWithAuth(t)
	user := testutil.SeedUser(t, testutil.RandomEmail(), 40)
	token := issueToken(t, user.UserId)
	r := newEventRouter(t)

	w := postWithBearer(t, r, "/event/create", token, service_event.EventCreateData{
		Type:      "official",
		Name:      "Handler Test Event",
		Subtitle:  "sub",
		StartTime: time.Now().Add(24 * time.Hour),
		EndTime:   time.Now().Add(48 * time.Hour),
		Quota:     100,
		Limit:     150,
	})

	assert.Equal(t, http.StatusOK, w.Code)
	var resp map[string]any
	require.NoError(t, json.Unmarshal(w.Body.Bytes(), &resp))
	data, ok := resp["data"].(map[string]any)
	require.True(t, ok)
	assert.NotEmpty(t, data["event_id"])
}

func TestEventCreateHandlerMissingAuth(t *testing.T) {
	testutil.Setup(t)
	r := newEventRouter(t)

	w := postJSON(t, r, "/event/create", map[string]any{"type": "party"})
	assert.Equal(t, http.StatusUnauthorized, w.Code)
}

func TestEventCreateHandlerInvalidJSON(t *testing.T) {
	testutil.SetupWithAuth(t)
	owner := testutil.SeedUser(t, testutil.RandomEmail(), 40)
	token := issueToken(t, owner.UserId)
	r := newEventRouter(t)

	req := httptest.NewRequest(http.MethodPost, "/event/create", bytes.NewBufferString("{bad json"))
	req.Header.Set("Content-Type", "application/json")
	req.Header.Set("Authorization", "Bearer "+token)
	w := httptest.NewRecorder()
	r.ServeHTTP(w, req)

	assert.Equal(t, http.StatusBadRequest, w.Code)
}

// ---- Info ----

func TestEventInfoHandlerNotFound(t *testing.T) {
	testutil.SetupWithAuth(t)
	user := testutil.SeedUser(t, testutil.RandomEmail(), 10)
	token := issueToken(t, user.UserId)
	r := newEventRouter(t)

	w := getWithBearer(t, r, "/event/info?event_id=00000000-0000-0000-0000-000000000001", token)
	assert.Equal(t, http.StatusNotFound, w.Code)
}

// ---- List ----

func TestEventListHandlerRequiresOffset(t *testing.T) {
	testutil.SetupWithAuth(t)
	user := testutil.SeedUser(t, testutil.RandomEmail(), 30)
	token := issueToken(t, user.UserId)
	r := newEventRouter(t)

	w := getWithBearer(t, r, "/event/list", token)
	assert.Equal(t, http.StatusBadRequest, w.Code)
}

func TestEventListHandlerWithOffset(t *testing.T) {
	testutil.SetupWithAuth(t)
	user := testutil.SeedUser(t, testutil.RandomEmail(), 30)
	token := issueToken(t, user.UserId)
	r := newEventRouter(t)

	w := getWithBearer(t, r, "/event/list?offset=0&limit=10", token)
	assert.Equal(t, http.StatusOK, w.Code)
}

// ---- Join ----

func TestEventJoinHandlerInvalidEventId(t *testing.T) {
	testutil.SetupWithAuth(t)
	user := testutil.SeedUser(t, testutil.RandomEmail(), 10)
	require.NoError(t, new(data.User).PatchByUserId(t.Context(), user.UserId, data.WithNickname("Joiner")))
	token := issueToken(t, user.UserId)
	r := newEventRouter(t)

	w := postWithBearer(t, r, "/event/join", token, map[string]any{"event_id": "not-a-uuid"})
	assert.Equal(t, http.StatusBadRequest, w.Code)
}

// ---- Delete ----

func TestEventDeleteHandlerNotFound(t *testing.T) {
	testutil.SetupWithAuth(t)
	user := testutil.SeedUser(t, testutil.RandomEmail(), 40)
	token := issueToken(t, user.UserId)
	r := newEventRouter(t)

	nonExistentId := uuid.New().String()
	w := deleteWithBearer(t, r, "/event/delete", token, map[string]any{
		"event_id": nonExistentId,
	})
	assert.Equal(t, http.StatusNotFound, w.Code)
}