H-263 restore PostgreSQL E2E coverage (#41)

Co-authored-by: Rogee <rogee@ipao.vip>

backend/tests/e2e/session_e2e_test.go

@@ -18,7 +18,7 @@ import (
 // SessionE2ETestSuite tests session store and middleware integration.
 type SessionE2ETestSuite struct {
 	suite.Suite
-	store   *auth.SessionStore
+	store      *auth.SessionStore
 	sessionCfg config.SessionConfig
 }
 
@@ -26,14 +26,12 @@ func TestSessionE2ETestSuite(t *testing.T) {
 	suite.Run(t, new(SessionE2ETestSuite))
 }
 
-func (s *SessionE2ETestSuite) SetupSuite() {
-	// E2E tests require PostgreSQL; skip in SQLite test mode.
-	s.T().Skip("E2E tests require PostgreSQL; skipping in SQLite test mode")
+func (s *SessionE2ETestSuite) SetupTest() {
 	s.sessionCfg = config.SessionConfig{
-		Enabled:       true,
-		ExpirySeconds: 3600,
-		TokenLength:   32,
-		HeaderName:    "X-Session-ID",
+		Enabled:         true,
+		ExpirySeconds:   3600,
+		TokenLength:     32,
+		HeaderName:      "X-Session-ID",
 		CleanupInterval: 300,
 	}
 	s.store = auth.NewSessionStore(&s.sessionCfg)
@@ -81,7 +79,7 @@ func (s *SessionE2ETestSuite) TestSessionDelete() {
 
 func (s *SessionE2ETestSuite) TestSessionDeleteByUserID() {
 	s.store.Create(4, 400, "agent", "email")
-	s.store.Create(4, 500, "agent", "email") // same user, different account
+	s.store.Create(4, 500, "agent", "email")         // same user, different account
 	s.store.Create(5, 600, "administrator", "email") // different user
 
 	count := s.store.DeleteByUserID(4)
@@ -138,7 +136,7 @@ func (s *SessionE2ETestSuite) TestSessionCleanupExpired() {
 func (s *SessionE2ETestSuite) TestSessionCount() {
 	initialCount := s.store.Count()
 	s.store.Create(9, 1000, "agent", "email")
-	assert.Equal(s.T(), initialCount + 1, s.store.Count())
+	assert.Equal(s.T(), initialCount+1, s.store.Count())
 }
 
 // --- Session Middleware Tests ---
@@ -276,4 +274,4 @@ func (s *SessionE2ETestSuite) TestRequireSessionMiddleware() {
 	req2, _ := http.NewRequest("GET", "/test", nil)
 	router2.ServeHTTP(w2, req2)
 	assert.Equal(s.T(), 200, w2.Code)
-}
+}