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fix bugs and add tests for PostMakeReservation handler

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This commit is contained in:
vinchent 2024-07-14 11:49:42 +02:00
parent 262b48161d
commit d76070c21d
4 changed files with 226 additions and 76 deletions
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40
internal/handlers/handlers.go
View File

@ -115,19 +115,16 @@ func (m *Repository) MakeReservation(w http.ResponseWriter, r *http.Request) {
func (m *Repository) PostMakeReservation(w http.ResponseWriter, r *http.Request) {
reservation, ok := m.App.Session.Get(r.Context(), "reservation").(models.Reservation)
if !ok {
helpers.ServerError(w, errors.New("connot get item from session"))
return
}
err := r.ParseForm()
if err != nil {
helpers.ServerError(w, err)
m.App.Session.Put(r.Context(), "error", "can't get reservation from session")
http.Redirect(w, r, "/", http.StatusTemporaryRedirect)
return
}
reservation.FirstName = r.Form.Get("first_name")
reservation.LastName = r.Form.Get("last_name")
reservation.Email = r.Form.Get("email")
reservation.Phone = r.Form.Get("phone")
if err := r.ParseForm(); err != nil {
m.App.Session.Put(r.Context(), "error", "can't parse form")
http.Redirect(w, r, "/", http.StatusTemporaryRedirect)
return
}
form := forms.New(r.PostForm)
@ -135,6 +132,13 @@ func (m *Repository) PostMakeReservation(w http.ResponseWriter, r *http.Request)
form.MinLength("first_name", 2)
form.IsEmail("email")
reservation.FirstName = form.Get("first_name")
reservation.LastName = form.Get("last_name")
reservation.Email = form.Get("email")
reservation.Phone = form.Get("phone")
// TODO: Should I check the validity of reservation.StartDate / EndDate?
if !form.Valid() {
data := make(map[string]interface{})
data["reservation"] = reservation
@ -148,7 +152,8 @@ func (m *Repository) PostMakeReservation(w http.ResponseWriter, r *http.Request)
newReservationID, err := m.DB.InsertReservation(reservation)
if err != nil {
helpers.ServerError(w, err)
m.App.Session.Put(r.Context(), "error", "can't insert reservation into database")
http.Redirect(w, r, "/", http.StatusTemporaryRedirect)
return
}
@ -165,7 +170,8 @@ func (m *Repository) PostMakeReservation(w http.ResponseWriter, r *http.Request)
err = m.DB.InsertRoomRestriction(restriction)
if err != nil {
helpers.ServerError(w, err)
m.App.Session.Put(r.Context(), "error", "can't insert room restriction into database")
http.Redirect(w, r, "/", http.StatusTemporaryRedirect)
return
}
@ -208,6 +214,11 @@ func (m *Repository) Availability(w http.ResponseWriter, r *http.Request) {
// PostAvailability is the search for availability page handler
func (m *Repository) PostAvailability(w http.ResponseWriter, r *http.Request) {
if err := r.ParseForm(); err != nil {
m.App.Session.Put(r.Context(), "error", "can't parse form")
http.Redirect(w, r, "/", http.StatusTemporaryRedirect)
return
}
start := r.Form.Get("start")
end := r.Form.Get("end")
@ -265,6 +276,11 @@ type jsonResponse struct {
// AvailabilityJSON is the search for availability page handler
func (m *Repository) AvailabilityJSON(w http.ResponseWriter, r *http.Request) {
if err := r.ParseForm(); err != nil {
m.App.Session.Put(r.Context(), "error", "can't parse form")
http.Redirect(w, r, "/", http.StatusTemporaryRedirect)
return
}
sd := r.Form.Get("start")
ed := r.Form.Get("end")

216
internal/handlers/handlers_test.go
View File

@ -2,11 +2,14 @@ package handlers
import (
"context"
"fmt"
"go-udemy-web-1/internal/models"
"log"
"net/http"
"net/http/httptest"
"strings"
"testing"
"time"
)
type postData struct {
@ -60,60 +63,197 @@ func TestHandlers(t *testing.T) {
}
}
func TestRepository_Reservation(t *testing.T) {
// {{{ Make Reservation Tests
var makeReservationTests = []struct {
name string
roomID int
expectedStatusCode int
}{
{"ok", 1, http.StatusOK},
{"no session", 0, http.StatusTemporaryRedirect},
{"non-existant room", 100, http.StatusTemporaryRedirect},
}
func TestRepository_MakeReservation(t *testing.T) {
for _, test := range makeReservationTests {
reservation := models.Reservation{
RoomID: 1,
RoomID: test.roomID,
Room: models.Room{
ID: 1,
RoomName: "General's Quarters",
ID: test.roomID,
RoomName: "Room name",
},
}
req, _ := http.NewRequest("GET", "/make-reservation", nil)
ctx := getCtx(req)
req = req.WithContext(ctx)
rr := httptest.NewRecorder()
if test.roomID == 0 {
session.Put(ctx, "reservation", nil)
} else {
session.Put(ctx, "reservation", reservation)
}
handler := http.HandlerFunc(Repo.MakeReservation)
handler.ServeHTTP(rr, req)
if rr.Code != http.StatusOK {
t.Errorf("Reservation handler returned response code: got %d, wanted %d",
rr.Code, http.StatusOK)
if rr.Code != test.expectedStatusCode {
t.Errorf("for %s, reservation handler returned response code: got %d, wanted %d",
test.name, rr.Code, http.StatusOK)
}
// test case where reservation is not in session (reset everything)
req, _ = http.NewRequest("GET", "/make-reservation", nil)
ctx = getCtx(req)
req = req.WithContext(ctx)
rr = httptest.NewRecorder()
handler.ServeHTTP(rr, req)
if rr.Code != http.StatusTemporaryRedirect {
t.Errorf("Reservation handler returned response code: got %d, wanted %d",
rr.Code, http.StatusTemporaryRedirect)
}
// test with non-existant room
req, _ = http.NewRequest("GET", "/make-reservation", nil)
ctx = getCtx(req)
req = req.WithContext(ctx)
rr = httptest.NewRecorder()
reservation.RoomID = 100
session.Put(ctx, "reservation", reservation)
handler.ServeHTTP(rr, req)
if rr.Code != http.StatusTemporaryRedirect {
t.Errorf("Reservation handler returned response code: got %d, wanted %d",
rr.Code, http.StatusTemporaryRedirect)
}
}
// }}}
// {{{ PostMakeReservation tests
var postMakeReservationTests = []struct {
name string
reservationInfo []string
roomID int
expectedStatusCode int
}{
{
"ok",
[]string{
"first_name=John",
"last_name=Smith",
"email=john@smith.com",
"phone=1234",
"room_id=1",
"start_date=2050-01-01",
"end_date=2050-01-02",
},
1, http.StatusSeeOther,
},
{
"no_session",
[]string{
"first_name=John",
"last_name=Smith",
"email=john@smith.com",
"phone=1234",
"room_id=0",
"start_date=2050-01-01",
"end_date=2050-01-02",
},
0, http.StatusTemporaryRedirect,
},
{
"no_post_data",
[]string{},
0, http.StatusTemporaryRedirect,
},
{
"missing first name",
[]string{
"last_name=Smith",
"email=john@smith.com",
"phone=1234",
"room_id=1",
"start_date=2050-01-01",
"end_date=2050-01-02",
},
1, http.StatusOK,
},
{
"wrong first name",
[]string{
"first_name=J",
"last_name=Smith",
"email=john@smith.com",
"phone=1234",
"room_id=1",
"start_date=2050-01-01",
"end_date=2050-01-02",
},
1, http.StatusOK,
},
{
"wrong email",
[]string{
"first_name=John",
"last_name=Smith",
"email=john@smith",
"phone=1234",
"room_id=1",
"start_date=2050-01-01",
"end_date=2050-01-02",
},
1, http.StatusOK,
},
{
"insert reservation error",
[]string{
"first_name=John",
"last_name=Smith",
"email=john@smith.com",
"phone=1234",
"room_id=2",
"start_date=2050-01-01",
"end_date=2050-01-02",
},
2, http.StatusTemporaryRedirect,
},
{
"insert room restriction error",
[]string{
"first_name=John",
"last_name=Smith",
"email=john@smith.com",
"phone=1234",
"room_id=100",
"start_date=2050-01-01",
"end_date=2050-01-02",
},
100, http.StatusTemporaryRedirect,
},
}
func TestRepository_PostMakeReservation(t *testing.T) {
for _, test := range postMakeReservationTests {
var reqBody string
if len(test.reservationInfo) > 0 {
reqBody = test.reservationInfo[0]
for _, element := range test.reservationInfo[1:] {
reqBody = fmt.Sprintf("%s&%s", reqBody, element)
}
}
layout := "2006-01-02"
sd, _ := time.Parse(layout, "2050-01-01")
ed, _ := time.Parse(layout, "2050-01-02")
reservation := models.Reservation{
RoomID: test.roomID,
StartDate: sd,
EndDate: ed,
}
req, _ := http.NewRequest("POST", "/make-reservation", strings.NewReader(reqBody))
ctx := getCtx(req)
req = req.WithContext(ctx)
req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
rr := httptest.NewRecorder()
if test.roomID == 0 {
session.Put(ctx, "reservation", nil)
} else {
session.Put(ctx, "reservation", reservation)
}
handler := http.HandlerFunc(Repo.PostMakeReservation)
handler.ServeHTTP(rr, req)
if rr.Code != test.expectedStatusCode {
fmt.Printf("for %s, reservation handler returned response code: got %d, wanted %d",
test.name, rr.Code, test.expectedStatusCode)
}
}
}
// }}}
// {{{ Test Helpers
func getCtx(req *http.Request) context.Context {
ctx, err := session.Load(req.Context(), req.Header.Get("X-Session"))
if err != nil {
@ -122,3 +262,5 @@ func getCtx(req *http.Request) context.Context {
return ctx
}
// }}}

17
internal/handlers/setup_test.go
View File

@ -17,7 +17,6 @@ import (
"github.com/alexedwards/scs/v2"
"github.com/go-chi/chi/v5"
"github.com/go-chi/chi/v5/middleware"
"github.com/justinas/nosurf"
)
var functions = template.FuncMap{}
@ -65,7 +64,7 @@ func getRoutes() http.Handler {
mux := chi.NewMux()
mux.Use(middleware.Recoverer)
// mux.Use(NoSurf) // No need to test
mux.Use(WriteToConsole)
mux.Use(SessionLoad)
mux.Get("/", Repo.Home)
@ -95,20 +94,6 @@ func WriteToConsole(next http.Handler) http.Handler {
})
}
// NoSurf adds CSRF protection to all POST requests
func NoSurf(next http.Handler) http.Handler {
csrfHandler := nosurf.New(next)
csrfHandler.SetBaseCookie(http.Cookie{
HttpOnly: true,
Path: "/",
Secure: app.InProduction,
SameSite: http.SameSiteLaxMode,
})
return csrfHandler
}
// SessionLoad loads and saves the session on every request
func SessionLoad(next http.Handler) http.Handler {
return session.LoadAndSave(next)

9
internal/repository/dbrepo/test-repo.go
View File

@ -12,11 +12,18 @@ func (m *testDBRepo) AllUsers() bool {
// InsertReservation inserts a reservation into the database
func (m *testDBRepo) InsertReservation(res models.Reservation) (int, error) {
// if the room id is 2, then fail; otherwise, pass
if res.RoomID == 2 {
return 0, errors.New("deliberate error")
}
return 1, nil
}
// InsertRoomRestriction inserts a room restriction into the database
func (m *testDBRepo) InsertRoomRestriction(r models.RoomRestriction) error {
if r.RoomID == 100 {
return errors.New("deliberate error")
}
return nil
}
@ -36,7 +43,7 @@ func (m *testDBRepo) GetRoomById(id int) (models.Room, error) {
var room models.Room
if id > 2 {
return room, errors.New("Deliberate error")
return room, errors.New("deliberate error")
}
return room, nil
}