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package auth
import (
"context"
"database/sql"
"errors"
"testing"
"time"
"github.com/DATA-DOG/go-sqlmock"
"golang.org/x/crypto/bcrypt"
)
func TestAuthenticate(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 func() { _ = db.Close() }()
service := NewService(db)
password := "secret"
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)
user, err := service.Authenticate("testuser", password)
if err != nil {
t.Errorf("expected no error, got %v", err)
}
if user == nil {
t.Fatal("expected user, got nil")
}
if user.Username != "testuser" {
t.Errorf("expected username testuser, got %s", user.Username)
}
if err := mock.ExpectationsWereMet(); err != nil {
t.Errorf("there were unfulfilled expectations: %s", err)
}
}
func TestAuthenticate_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 func() { _ = db.Close() }()
service := NewService(db)
mock.ExpectQuery("SELECT id, username, password_hash, created_at FROM users WHERE username = ?").
WithArgs("nonexistent").
WillReturnError(sql.ErrNoRows)
_, err = service.Authenticate("nonexistent", "password")
if !errors.Is(err, ErrInvalidCredentials) {
t.Errorf("expected ErrInvalidCredentials, got %v", err)
}
if err := mock.ExpectationsWereMet(); err != nil {
t.Errorf("there were unfulfilled expectations: %s", err)
}
}
func TestCreateUser(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 func() { _ = db.Close() }()
service := NewService(db)
// Expect check if user exists
mock.ExpectQuery("SELECT id, username, password_hash, created_at FROM users WHERE username = ?").
WithArgs("newuser").
WillReturnError(sql.ErrNoRows)
// Expect insert
mock.ExpectExec("INSERT INTO users").
WithArgs("newuser", sqlmock.AnyArg()).
WillReturnResult(sqlmock.NewResult(1, 1))
// Expect retrieve created user
rows := sqlmock.NewRows([]string{"id", "username", "password_hash", "created_at"}).
AddRow(1, "newuser", "hashedpassword", time.Now())
mock.ExpectQuery("SELECT id, username, password_hash, created_at FROM users WHERE id = ?").
WithArgs(1).
WillReturnRows(rows)
user, err := service.CreateUser("newuser", "password")
if err != nil {
t.Errorf("expected no error, got %v", err)
}
if user.Username != "newuser" {
t.Errorf("expected username newuser, got %s", user.Username)
}
if err := mock.ExpectationsWereMet(); err != nil {
t.Errorf("there were unfulfilled expectations: %s", err)
}
}
func TestUserCount(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 func() { _ = db.Close() }()
service := NewService(db)
rows := sqlmock.NewRows([]string{"count"}).AddRow(5)
mock.ExpectQuery("SELECT COUNT").WillReturnRows(rows)
count, err := service.UserCount()
if err != nil {
t.Errorf("expected no error, got %v", err)
}
if count != 5 {
t.Errorf("expected count 5, got %d", count)
}
}
func TestEnsureDefaultUser_NoUsers(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 func() { _ = db.Close() }()
service := NewService(db)
// Expect count query (no users)
countRows := sqlmock.NewRows([]string{"count"}).AddRow(0)
mock.ExpectQuery("SELECT COUNT").WillReturnRows(countRows)
// Expect check if user exists
mock.ExpectQuery("SELECT id, username, password_hash, created_at FROM users WHERE username = ?").
WithArgs("admin").
WillReturnError(sql.ErrNoRows)
// Expect insert
mock.ExpectExec("INSERT INTO users").
WithArgs("admin", sqlmock.AnyArg()).
WillReturnResult(sqlmock.NewResult(1, 1))
// Expect retrieve created user
rows := sqlmock.NewRows([]string{"id", "username", "password_hash", "created_at"}).
AddRow(1, "admin", "hashedpassword", time.Now())
mock.ExpectQuery("SELECT id, username, password_hash, created_at FROM users WHERE id = ?").
WithArgs(1).
WillReturnRows(rows)
err = service.EnsureDefaultUser("admin", "password")
if err != nil {
t.Errorf("expected no error, got %v", err)
}
if err := mock.ExpectationsWereMet(); err != nil {
t.Errorf("there were unfulfilled expectations: %s", err)
}
}
func TestEnsureDefaultUser_UsersExist(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 func() { _ = db.Close() }()
service := NewService(db)
// Expect count query (users exist)
countRows := sqlmock.NewRows([]string{"count"}).AddRow(1)
mock.ExpectQuery("SELECT COUNT").WillReturnRows(countRows)
// Should not create user when users exist
err = service.EnsureDefaultUser("admin", "password")
if err != nil {
t.Errorf("expected no error, got %v", err)
}
if err := mock.ExpectationsWereMet(); err != nil {
t.Errorf("there were unfulfilled expectations: %s", err)
}
}
func TestAuthenticate_WrongPassword(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 func() { _ = db.Close() }()
service := NewService(db)
// Hash a different password
hash, _ := bcrypt.GenerateFromPassword([]byte("correctpassword"), 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)
// Try with wrong password
_, err = service.Authenticate("testuser", "wrongpassword")
if !errors.Is(err, ErrInvalidCredentials) {
t.Errorf("expected ErrInvalidCredentials, got %v", err)
}
}
func TestCreateUser_AlreadyExists(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 func() { _ = db.Close() }()
service := NewService(db)
// User already exists
hash, _ := bcrypt.GenerateFromPassword([]byte("password"), bcrypt.DefaultCost)
rows := sqlmock.NewRows([]string{"id", "username", "password_hash", "created_at"}).
AddRow(1, "existinguser", string(hash), time.Now())
mock.ExpectQuery("SELECT id, username, password_hash, created_at FROM users WHERE username = ?").
WithArgs("existinguser").
WillReturnRows(rows)
_, err = service.CreateUser("existinguser", "password")
if !errors.Is(err, ErrUserExists) {
t.Errorf("expected ErrUserExists, got %v", err)
}
}
func TestGetUserByID(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 func() { _ = db.Close() }()
service := NewService(db)
rows := sqlmock.NewRows([]string{"id", "username", "password_hash", "created_at"}).
AddRow(42, "testuser", "hashedpassword", time.Now())
mock.ExpectQuery("SELECT id, username, password_hash, created_at FROM users WHERE id = ?").
WithArgs(int64(42)).
WillReturnRows(rows)
user, err := service.GetUserByID(42)
if err != nil {
t.Errorf("expected no error, got %v", err)
}
if user.ID != 42 {
t.Errorf("expected user ID 42, got %d", user.ID)
}
}
func TestGetUserByID_NotFound(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 func() { _ = db.Close() }()
service := NewService(db)
mock.ExpectQuery("SELECT id, username, password_hash, created_at FROM users WHERE id = ?").
WithArgs(int64(999)).
WillReturnError(sql.ErrNoRows)
_, err = service.GetUserByID(999)
if err == nil {
t.Error("expected error for non-existent user")
}
}
func TestGetCSRFTokenFromContext(t *testing.T) {
// Test with token in context
ctx := context.WithValue(context.Background(), ContextKeyCSRF, "test-token")
token := GetCSRFTokenFromContext(ctx)
if token != "test-token" {
t.Errorf("expected 'test-token', got '%s'", token)
}
// Test without token in context
emptyCtx := context.Background()
emptyToken := GetCSRFTokenFromContext(emptyCtx)
if emptyToken != "" {
t.Errorf("expected empty string, got '%s'", emptyToken)
}
}
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