1 /*
2  * Copyright (C) 2016, The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *     http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #include <string>
18 #include <vector>
19 
20 #include <gtest/gtest.h>
21 #include <utils/StrongPointer.h>
22 #include <wifi_system/interface_tool.h>
23 
24 #include "android/net/wifi/IClientInterface.h"
25 #include "android/net/wifi/IWificond.h"
26 #include "wificond/tests/integration/process_utils.h"
27 
28 using android::net::wifi::IClientInterface;
29 using android::net::wifi::IWificond;
30 using android::wifi_system::InterfaceTool;
31 using android::wificond::tests::integration::ScopedDevModeWificond;
32 using android::wificond::tests::integration::SupplicantIsDead;
33 using android::wificond::tests::integration::SupplicantIsRunning;
34 using android::wificond::tests::integration::WaitForTrue;
35 using std::string;
36 using std::vector;
37 
38 namespace android {
39 namespace wificond {
40 namespace {
41 
42 const char kInterfaceName[] = "wlan0";
43 }  // namespace
44 
45 TEST(ClientInterfaceTest, CanCreateClientInterfaces) {
46   ScopedDevModeWificond dev_mode;
47   sp<IWificond> service = dev_mode.EnterDevModeOrDie();
48 
49   // We should be able to create an client interface.
50   sp<IClientInterface> client_interface;
51   EXPECT_TRUE(service->createClientInterface(
52       kInterfaceName, &client_interface).isOk());
53   EXPECT_NE(nullptr, client_interface.get());
54 
55   // The interface should start out down.
56   string if_name;
57   EXPECT_TRUE(client_interface->getInterfaceName(&if_name).isOk());
58   EXPECT_TRUE(!if_name.empty());
59   InterfaceTool if_tool;
60   EXPECT_FALSE(if_tool.GetUpState(if_name.c_str()));
61 
62   // Mark the interface as up, just to test that we mark it down on tearDown.
63   EXPECT_TRUE(if_tool.SetUpState(if_name.c_str(), true));
64   EXPECT_TRUE(if_tool.GetUpState(if_name.c_str()));
65 
66   // We should not be able to create two client interfaces.
67   sp<IClientInterface> client_interface2;
68   EXPECT_TRUE(service->createClientInterface(
69       kInterfaceName, &client_interface2).isOk());
70   EXPECT_EQ(nullptr, client_interface2.get());
71 
72   // We can tear down the created interface.
73   bool succes = false;
74   EXPECT_TRUE(service->tearDownClientInterface(kInterfaceName, &succes).isOk());
75   EXPECT_TRUE(succes);
76   EXPECT_FALSE(if_tool.GetUpState(if_name.c_str()));
77 
78   // Teardown everything at the end of the test.
79   EXPECT_TRUE(service->tearDownInterfaces().isOk());
80 }
81 
82 TEST(ClientInterfaceTest, CanGetMacAddress) {
83   ScopedDevModeWificond dev_mode;
84   sp<IWificond> service = dev_mode.EnterDevModeOrDie();
85   sp<IClientInterface> client_interface;
86   EXPECT_TRUE(service->createClientInterface(
87       kInterfaceName, &client_interface).isOk());
88   ASSERT_NE(nullptr, client_interface.get());
89   vector<uint8_t> mac_address;
90   EXPECT_TRUE(client_interface->getMacAddress(&mac_address).isOk());
91   EXPECT_TRUE(mac_address.size() == 6);
92 }
93 
94 }  // namespace wificond
95 }  // namespace android
96