chore: update project files

cmd/cmd_gateway_test.go

@@ -1,32 +1,117 @@
 package main
 
 import (
+	"context"
+	"os"
+	"path/filepath"
+	"sync/atomic"
 	"testing"
-
-	"github.com/YspCoder/clawgo/pkg/config"
+	"time"
 )
 
-func TestShouldStartEmbeddedWhatsAppBridge(t *testing.T) {
+func TestConfigFileFingerprintSameContentIgnoresTouch(t *testing.T) {
 	t.Parallel()
 
-	cfg := config.DefaultConfig()
-	cfg.Channels.WhatsApp.Enabled = false
-	cfg.Channels.WhatsApp.BridgeURL = ""
-	if !shouldStartEmbeddedWhatsAppBridge(cfg) {
-		t.Fatalf("expected embedded bridge to start when using default embedded url")
+	dir := t.TempDir()
+	path := filepath.Join(dir, "config.json")
+	if err := os.WriteFile(path, []byte(`{"a":1}`), 0644); err != nil {
+		t.Fatalf("write file: %v", err)
+	}
+	first, err := readConfigFileFingerprint(path)
+	if err != nil {
+		t.Fatalf("read first fingerprint: %v", err)
 	}
 
-	cfg.Channels.WhatsApp.BridgeURL = "ws://127.0.0.1:3001"
-	if !shouldStartEmbeddedWhatsAppBridge(cfg) {
-		t.Fatalf("expected embedded bridge to start for legacy local bridge url")
+	target := time.Now().Add(2 * time.Second)
+	if err := os.Chtimes(path, target, target); err != nil {
+		t.Fatalf("touch file: %v", err)
+	}
+	second, err := readConfigFileFingerprint(path)
+	if err != nil {
+		t.Fatalf("read second fingerprint: %v", err)
 	}
 
-	cfg.Channels.WhatsApp.BridgeURL = "ws://example.com:3001/ws"
-	if shouldStartEmbeddedWhatsAppBridge(cfg) {
-		t.Fatalf("expected external bridge url to disable embedded bridge")
+	if first.sameContent(second) != true {
+		t.Fatalf("expected touch to keep content fingerprint unchanged")
 	}
-
-	if shouldStartEmbeddedWhatsAppBridge(nil) {
-		t.Fatalf("expected nil config to disable embedded bridge")
+	if first.ModUnixNano == second.ModUnixNano {
+		t.Fatalf("expected touch to change mod time")
+	}
+}
+
+func TestGatewayConfigWatcherReloadOnContentChangeWithDebounce(t *testing.T) {
+	t.Parallel()
+
+	dir := t.TempDir()
+	path := filepath.Join(dir, "config.json")
+	if err := os.WriteFile(path, []byte(`{"a":1}`), 0644); err != nil {
+		t.Fatalf("write file: %v", err)
+	}
+
+	ctx, cancel := context.WithCancel(context.Background())
+	defer cancel()
+
+	var reloadCalls atomic.Int32
+	stop := startGatewayConfigWatcher(ctx, path, 150*time.Millisecond, 30*time.Millisecond, func() error {
+		reloadCalls.Add(1)
+		return nil
+	})
+	defer stop()
+
+	time.Sleep(120 * time.Millisecond)
+	if err := os.WriteFile(path, []byte(`{"a":2}`), 0644); err != nil {
+		t.Fatalf("write changed file #1: %v", err)
+	}
+	time.Sleep(40 * time.Millisecond)
+	if err := os.WriteFile(path, []byte(`{"a":3}`), 0644); err != nil {
+		t.Fatalf("write changed file #2: %v", err)
+	}
+	time.Sleep(40 * time.Millisecond)
+	if err := os.WriteFile(path, []byte(`{"a":4}`), 0644); err != nil {
+		t.Fatalf("write changed file #3: %v", err)
+	}
+
+	deadline := time.Now().Add(2 * time.Second)
+	for reloadCalls.Load() < 1 && time.Now().Before(deadline) {
+		time.Sleep(20 * time.Millisecond)
+	}
+	if got := reloadCalls.Load(); got != 1 {
+		t.Fatalf("expected exactly one reload after debounced content changes, got %d", got)
+	}
+
+	time.Sleep(300 * time.Millisecond)
+	if got := reloadCalls.Load(); got != 1 {
+		t.Fatalf("expected no extra reload after debounce settles, got %d", got)
+	}
+}
+
+func TestGatewayConfigWatcherTouchDoesNotReload(t *testing.T) {
+	t.Parallel()
+
+	dir := t.TempDir()
+	path := filepath.Join(dir, "config.json")
+	if err := os.WriteFile(path, []byte(`{"a":1}`), 0644); err != nil {
+		t.Fatalf("write file: %v", err)
+	}
+
+	ctx, cancel := context.WithCancel(context.Background())
+	defer cancel()
+
+	var reloadCalls atomic.Int32
+	stop := startGatewayConfigWatcher(ctx, path, 120*time.Millisecond, 30*time.Millisecond, func() error {
+		reloadCalls.Add(1)
+		return nil
+	})
+	defer stop()
+
+	time.Sleep(120 * time.Millisecond)
+	target := time.Now().Add(2 * time.Second)
+	if err := os.Chtimes(path, target, target); err != nil {
+		t.Fatalf("touch file: %v", err)
+	}
+
+	time.Sleep(400 * time.Millisecond)
+	if got := reloadCalls.Load(); got != 0 {
+		t.Fatalf("expected touch-only update to skip reload, got %d", got)
 	}
 }