feat(cloudflare): 完成隧道接入、运维与 P0 体验优化

internal/proxy/exits_test.go

@@ -0,0 +1,39 @@
+package proxy
+
+import "testing"
+
+func TestNormalizeExitsDefaultsToLocal(t *testing.T) {
+	exits, tunnelID, err := normalizeExits(nil, 0)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if tunnelID != 0 || len(exits) != 1 || exits[0] != ExitLocal {
+		t.Fatalf("默认出口应为 local：%#v tunnel=%d", exits, tunnelID)
+	}
+}
+
+func TestNormalizeExitsRequiresTunnelForCloudflare(t *testing.T) {
+	if _, _, err := normalizeExits([]string{ExitCloudflare}, 0); err == nil {
+		t.Fatal("Cloudflare 出口缺少隧道时应报错")
+	}
+}
+
+func TestNormalizeExitsDeduplicatesAndSorts(t *testing.T) {
+	exits, tunnelID, err := normalizeExits([]string{ExitCloudflare, ExitLocal, ExitCloudflare}, 12)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if tunnelID != 12 || len(exits) != 2 || exits[0] != ExitCloudflare || exits[1] != ExitLocal {
+		t.Fatalf("出口去重排序不符：%#v tunnel=%d", exits, tunnelID)
+	}
+}
+
+func TestRuleUsesExitTreatsEmptyAsLocal(t *testing.T) {
+	rule := Rule{}
+	if !rule.UsesExit(ExitLocal) {
+		t.Fatal("空出口应兼容为本机出口")
+	}
+	if rule.UsesExit(ExitCloudflare) {
+		t.Fatal("空出口不应被视为 Cloudflare")
+	}
+}