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package auth
import (
"database/sql"
"html/template"
"net/http"
"net/http/httptest"
"net/url"
"strings"
"testing"
"time"
"github.com/DATA-DOG/go-sqlmock"
"github.com/alexedwards/scs/v2"
"golang.org/x/crypto/bcrypt"
)
func TestHandleLogin(t *testing.T) {
db, mock, err := sqlmock.New()
if err != nil {
t.Fatalf("an error '%s' was not expected when opening a stub database connection", err)
}
defer db.Close()
service := NewService(db)
sessionManager := scs.New()
templates := template.Must(template.New("login.html").Parse("{{.Error}}"))
handlers := NewHandlers(service, sessionManager, templates)
// Setup mock user
password := "password"
hash, _ := bcrypt.GenerateFromPassword([]byte(password), bcrypt.DefaultCost)
rows := sqlmock.NewRows([]string{"id", "username", "password_hash", "created_at"}).
AddRow(1, "testuser", string(hash), time.Now())
mock.ExpectQuery("SELECT id, username, password_hash, created_at FROM users WHERE username = ?").
WithArgs("testuser").
WillReturnRows(rows)
// Create request
form := url.Values{}
form.Add("username", "testuser")
form.Add("password", "password")
req := httptest.NewRequest("POST", "/login", strings.NewReader(form.Encode()))
req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
// Wrap request with session middleware
ctx, _ := sessionManager.Load(req.Context(), "")
req = req.WithContext(ctx)
rr := httptest.NewRecorder()
handlers.HandleLogin(rr, req)
if status := rr.Code; status != http.StatusSeeOther {
t.Errorf("handler returned wrong status code: got %v want %v",
status, http.StatusSeeOther)
}
if err := mock.ExpectationsWereMet(); err != nil {
t.Errorf("there were unfulfilled expectations: %s", err)
}
}
func TestHandleLogin_InvalidCredentials(t *testing.T) {
db, mock, err := sqlmock.New()
if err != nil {
t.Fatalf("an error '%s' was not expected when opening a stub database connection", err)
}
defer db.Close()
service := NewService(db)
sessionManager := scs.New()
templates := template.Must(template.New("login.html").Parse("{{.Error}}"))
handlers := NewHandlers(service, sessionManager, templates)
mock.ExpectQuery("SELECT id, username, password_hash, created_at FROM users WHERE username = ?").
WithArgs("testuser").
WillReturnError(sql.ErrNoRows)
// Create request
form := url.Values{}
form.Add("username", "testuser")
form.Add("password", "wrongpassword")
req := httptest.NewRequest("POST", "/login", strings.NewReader(form.Encode()))
req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
// Wrap request with session middleware
ctx, _ := sessionManager.Load(req.Context(), "")
req = req.WithContext(ctx)
rr := httptest.NewRecorder()
handlers.HandleLogin(rr, req)
if status := rr.Code; status != http.StatusUnauthorized {
t.Errorf("handler returned wrong status code: got %v want %v",
status, http.StatusUnauthorized)
}
if err := mock.ExpectationsWereMet(); err != nil {
t.Errorf("there were unfulfilled expectations: %s", err)
}
}
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