feat(android): show proxy traffic stats in foreground notification

tests/test_android_proxy_bridge.py

@@ -1,5 +1,6 @@
 import sys
 import unittest
+import json
 from pathlib import Path
 
 
@@ -8,6 +9,7 @@ sys.path.insert(0, str(
 ))
 
 import android_proxy_bridge  # noqa: E402
+import proxy.tg_ws_proxy as tg_ws_proxy  # noqa: E402
 
 
 class FakeJavaArrayList:
@@ -22,6 +24,9 @@ class FakeJavaArrayList:
 
 
 class AndroidProxyBridgeTests(unittest.TestCase):
+    def tearDown(self):
+        tg_ws_proxy.reset_stats()
+
     def test_normalize_dc_ip_list_with_python_iterable(self):
         result = android_proxy_bridge._normalize_dc_ip_list([
             "2:149.154.167.220",
@@ -34,6 +39,20 @@ class AndroidProxyBridgeTests(unittest.TestCase):
             "4:149.154.167.220",
         ])
 
+    def test_get_runtime_stats_json_reports_proxy_counters(self):
+        tg_ws_proxy.reset_stats()
+        snapshot = tg_ws_proxy.get_stats_snapshot()
+        snapshot["bytes_up"] = 1536
+        snapshot["bytes_down"] = 4096
+        tg_ws_proxy._stats.bytes_up = snapshot["bytes_up"]
+        tg_ws_proxy._stats.bytes_down = snapshot["bytes_down"]
+
+        result = json.loads(android_proxy_bridge.get_runtime_stats_json())
+
+        self.assertEqual(result["bytes_up"], 1536)
+        self.assertEqual(result["bytes_down"], 4096)
+        self.assertFalse(result["running"])
+
     def test_normalize_dc_ip_list_with_java_array_list_shape(self):
         result = android_proxy_bridge._normalize_dc_ip_list(FakeJavaArrayList([
             "2:149.154.167.220",