Test metered property

Author: robert-ancell

test/nm_test.dart

@@ -1223,7 +1223,7 @@ void main() {
     var clientAddress =
         await server.listenAddress(DBusAddress.unix(dir: Directory.systemTemp));
 
-    var nm = MockNetworkManagerServer(clientAddress, version: '1.2.3');
+    var nm = MockNetworkManagerServer(clientAddress);
     addTearDown(() async => await nm.close());
     await nm.start();
 
@@ -1254,6 +1254,91 @@ void main() {
     expect(client.state, equals(NetworkManagerState.connecting));
   });
 
+  test('metered - yes', () async {
+    var server = DBusServer();
+    addTearDown(() async => await server.close());
+    var clientAddress =
+        await server.listenAddress(DBusAddress.unix(dir: Directory.systemTemp));
+
+    var nm = MockNetworkManagerServer(clientAddress, metered: 1);
+    addTearDown(() async => await nm.close());
+    await nm.start();
+
+    var client = NetworkManagerClient(bus: DBusClient(clientAddress));
+    addTearDown(() async => await client.close());
+    await client.connect();
+
+    expect(client.metered, equals(NetworkManagerMetered.yes));
+  });
+
+  test('metered - no', () async {
+    var server = DBusServer();
+    addTearDown(() async => await server.close());
+    var clientAddress =
+        await server.listenAddress(DBusAddress.unix(dir: Directory.systemTemp));
+
+    var nm = MockNetworkManagerServer(clientAddress, metered: 2);
+    addTearDown(() async => await nm.close());
+    await nm.start();
+
+    var client = NetworkManagerClient(bus: DBusClient(clientAddress));
+    addTearDown(() async => await client.close());
+    await client.connect();
+
+    expect(client.metered, equals(NetworkManagerMetered.no));
+  });
+
+  test('metered guess yes', () async {
+    var server = DBusServer();
+    addTearDown(() async => await server.close());
+    var clientAddress =
+        await server.listenAddress(DBusAddress.unix(dir: Directory.systemTemp));
+
+    var nm = MockNetworkManagerServer(clientAddress, metered: 3);
+    addTearDown(() async => await nm.close());
+    await nm.start();
+
+    var client = NetworkManagerClient(bus: DBusClient(clientAddress));
+    addTearDown(() async => await client.close());
+    await client.connect();
+
+    expect(client.metered, equals(NetworkManagerMetered.guessYes));
+  });
+
+  test('metered guess no', () async {
+    var server = DBusServer();
+    addTearDown(() async => await server.close());
+    var clientAddress =
+        await server.listenAddress(DBusAddress.unix(dir: Directory.systemTemp));
+
+    var nm = MockNetworkManagerServer(clientAddress, metered: 4);
+    addTearDown(() async => await nm.close());
+    await nm.start();
+
+    var client = NetworkManagerClient(bus: DBusClient(clientAddress));
+    addTearDown(() async => await client.close());
+    await client.connect();
+
+    expect(client.metered, equals(NetworkManagerMetered.guessNo));
+  });
+
+  test('metered - unknown', () async {
+    var server = DBusServer();
+    addTearDown(() async => await server.close());
+    var clientAddress =
+        await server.listenAddress(DBusAddress.unix(dir: Directory.systemTemp));
+
+    var nm = MockNetworkManagerServer(clientAddress, metered: 0);
+    addTearDown(() async => await nm.close());
+    await nm.start();
+
+    var client = NetworkManagerClient(bus: DBusClient(clientAddress));
+    addTearDown(() async => await client.close());
+    await client.connect();
+
+    expect(client.metered, equals(NetworkManagerMetered.unknown));
+  });
+
   test('connectivity', () async {
     var server = DBusServer();
     addTearDown(() async => await server.close());