test(chat,playout): enable test suite, coverage gate, switch to pure-Go SQLite driver
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package metrics
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import (
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"context"
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"net/http"
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"net/http/httptest"
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"strings"
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"testing"
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"time"
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"github.com/glebarez/sqlite"
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"gorm.io/gorm"
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"chat/src/auth"
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"chat/src/db"
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"chat/src/ws"
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)
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func TestHandleHealth(t *testing.T) {
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handler := HandleHealth()
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req := httptest.NewRequest("GET", "/health", nil)
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w := httptest.NewRecorder()
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handler(w, req)
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if w.Code != http.StatusOK {
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t.Errorf("status = %d, want 200", w.Code)
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}
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body := w.Body.String()
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if !strings.Contains(body, `"healthy"`) {
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t.Errorf("body missing healthy: %s", body)
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}
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if !strings.Contains(body, `"chat"`) {
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t.Errorf("body missing service name: %s", body)
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}
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}
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func TestHandleNotFound(t *testing.T) {
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handler := HandleNotFound()
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req := httptest.NewRequest("GET", "/nonexistent", nil)
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w := httptest.NewRecorder()
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handler(w, req)
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if w.Code != http.StatusNotFound {
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t.Errorf("status = %d, want 404", w.Code)
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}
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body := w.Body.String()
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if !strings.Contains(body, `"not found"`) {
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t.Errorf("body missing not found: %s", body)
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}
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}
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func TestHandleMetrics(t *testing.T) {
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gormDB, err := gorm.Open(sqlite.Open(":memory:"), &gorm.Config{})
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if err != nil {
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t.Fatalf("failed to open test DB: %v", err)
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}
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gormDB.AutoMigrate(&db.Message{}, &db.ModerationLog{})
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// Add some test data
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gormDB.Create(&db.Message{Room: "main", Username: "u1", Text: "hi", Timestamp: time.Now(), Type: "public"})
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gormDB.Create(&db.ModerationLog{Action: "mute", Target: "u2", Moderator: "admin", Reason: "spam", Timestamp: time.Now()})
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sessionStore := auth.NewSessionStore()
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hub := ws.NewHub(gormDB, nil, "test-instance", 10, 10*time.Second, "admin")
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hub.DMsSent = 5
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handler := HandleMetrics(gormDB, nil, hub, sessionStore, "sqlite", "test-instance")
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req := httptest.NewRequest("GET", "/metrics", nil)
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w := httptest.NewRecorder()
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handler(w, req)
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if w.Code != http.StatusOK {
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t.Errorf("status = %d, want 200", w.Code)
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}
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body := w.Body.String()
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// Check required metric names
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requiredMetrics := []string{
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"linearvoid_chat_connected_clients",
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"linearvoid_chat_messages_total",
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"linearvoid_chat_dms_total",
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"linearvoid_chat_moderation_actions_total",
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"linearvoid_chat_redis_enabled",
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"linearvoid_chat_redis_up",
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"linearvoid_chat_redis_connected_clients",
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"linearvoid_chat_admin_sessions_active",
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"linearvoid_chat_build_info",
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}
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for _, metric := range requiredMetrics {
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if !strings.Contains(body, metric) {
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t.Errorf("body missing metric %s", metric)
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}
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}
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// Check build_info has instance_id label
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if !strings.Contains(body, `instance_id="test-instance"`) {
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t.Error("build_info missing instance_id label")
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}
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// Check values
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if !strings.Contains(body, "linearvoid_chat_messages_total 1") {
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t.Error("messages_total should be 1")
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}
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if !strings.Contains(body, "linearvoid_chat_moderation_actions_total 1") {
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t.Error("moderation_actions_total should be 1")
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}
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if !strings.Contains(body, "linearvoid_chat_dms_total 5") {
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t.Error("dms_total should be 5")
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}
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if !strings.Contains(body, "linearvoid_chat_redis_enabled 0") {
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t.Error("redis_enabled should be 0 (nil redis)")
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}
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}
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func TestHandleMetrics_WrongMethod(t *testing.T) {
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handler := HandleMetrics(nil, nil, nil, nil, "", "")
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req := httptest.NewRequest("POST", "/metrics", nil)
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w := httptest.NewRecorder()
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handler(w, req)
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if w.Code != http.StatusMethodNotAllowed {
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t.Errorf("status = %d, want 405", w.Code)
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}
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}
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func TestHandleMetrics_WithRedis(t *testing.T) {
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gormDB, _ := gorm.Open(sqlite.Open(":memory:"), &gorm.Config{})
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gormDB.AutoMigrate(&db.Message{}, &db.ModerationLog{})
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// mockRedis for metrics test
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mr := &metricsMockRedis{}
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sessionStore := auth.NewSessionStore()
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hub := ws.NewHub(gormDB, mr, "test-instance", 10, 10*time.Second, "admin")
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handler := HandleMetrics(gormDB, mr, hub, sessionStore, "sqlite", "inst-123")
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req := httptest.NewRequest("GET", "/metrics", nil)
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w := httptest.NewRecorder()
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handler(w, req)
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if w.Code != http.StatusOK {
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t.Errorf("status = %d, want 200", w.Code)
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}
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body := w.Body.String()
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if !strings.Contains(body, "linearvoid_chat_redis_enabled 1") {
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t.Error("redis_enabled should be 1")
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}
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if !strings.Contains(body, "linearvoid_chat_redis_up 1") {
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t.Error("redis_up should be 1")
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}
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if !strings.Contains(body, "linearvoid_chat_redis_connected_clients 5") {
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t.Error("redis_connected_clients should be 5")
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}
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}
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// metricsMockRedis is a minimal mock for metrics tests.
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type metricsMockRedis struct{}
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func (m *metricsMockRedis) Ping(ctx context.Context) error { return nil }
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func (m *metricsMockRedis) Set(ctx context.Context, key string, value interface{}, expiration time.Duration) error {
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return nil
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}
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func (m *metricsMockRedis) Get(ctx context.Context, key string) (string, error) { return "", nil }
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func (m *metricsMockRedis) Del(ctx context.Context, keys ...string) error { return nil }
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func (m *metricsMockRedis) Incr(ctx context.Context, key string) (int64, error) { return 0, nil }
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func (m *metricsMockRedis) Decr(ctx context.Context, key string) (int64, error) { return 0, nil }
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func (m *metricsMockRedis) Expire(ctx context.Context, key string, expiration time.Duration) error {
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return nil
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}
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func (m *metricsMockRedis) Exists(ctx context.Context, keys ...string) (int64, error) { return 0, nil }
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func (m *metricsMockRedis) Publish(ctx context.Context, channel string, message interface{}) error {
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return nil
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}
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func (m *metricsMockRedis) PSubscribe(ctx context.Context, channels ...string) db.PubSub { return nil }
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func (m *metricsMockRedis) Scan(ctx context.Context, cursor uint64, match string, count int64) ([]string, uint64, error) {
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return nil, 0, nil
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}
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func (m *metricsMockRedis) Info(ctx context.Context, sections ...string) (string, error) {
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return "connected_clients:5\nused_memory_human:1M\n", nil
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}
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func (m *metricsMockRedis) Close() error { return nil }
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