1 /*
2 * Copyright (C) 2019, 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 <android-base/logging.h>
18 #include <android-base/macros.h>
19 #include <gmock/gmock.h>
20
21 #undef NAN
22 #include "wifi_iface_util.h"
23
24 #include "mock_interface_tool.h"
25 #include "mock_wifi_legacy_hal.h"
26
27 using testing::NiceMock;
28 using testing::Test;
29
30 namespace {
31 constexpr uint8_t kValidUnicastLocallyAssignedMacAddressMask = 0x02;
32 constexpr uint8_t kMacAddress[] = {0x02, 0x12, 0x45, 0x56, 0xab, 0xcc};
33 constexpr char kIfaceName[] = "test-wlan0";
34
isValidUnicastLocallyAssignedMacAddress(const std::array<uint8_t,6> & mac_address)35 bool isValidUnicastLocallyAssignedMacAddress(
36 const std::array<uint8_t, 6>& mac_address) {
37 uint8_t first_byte = mac_address[0];
38 return (first_byte & 0x3) == kValidUnicastLocallyAssignedMacAddressMask;
39 }
40 } // namespace
41
42 namespace android {
43 namespace hardware {
44 namespace wifi {
45 namespace V1_5 {
46 namespace implementation {
47 namespace iface_util {
48 class WifiIfaceUtilTest : public Test {
49 protected:
50 std::shared_ptr<NiceMock<wifi_system::MockInterfaceTool>> iface_tool_{
51 new NiceMock<wifi_system::MockInterfaceTool>};
52 legacy_hal::wifi_hal_fn fake_func_table_;
53 std::shared_ptr<NiceMock<legacy_hal::MockWifiLegacyHal>> legacy_hal_{
54 new NiceMock<legacy_hal::MockWifiLegacyHal>(iface_tool_,
55 fake_func_table_, true)};
56 WifiIfaceUtil* iface_util_ = new WifiIfaceUtil(iface_tool_, legacy_hal_);
57 };
58
TEST_F(WifiIfaceUtilTest,GetOrCreateRandomMacAddress)59 TEST_F(WifiIfaceUtilTest, GetOrCreateRandomMacAddress) {
60 auto mac_address = iface_util_->getOrCreateRandomMacAddress();
61 ASSERT_TRUE(isValidUnicastLocallyAssignedMacAddress(mac_address));
62
63 // All further calls should return the same MAC address.
64 ASSERT_EQ(mac_address, iface_util_->getOrCreateRandomMacAddress());
65 ASSERT_EQ(mac_address, iface_util_->getOrCreateRandomMacAddress());
66 }
67
TEST_F(WifiIfaceUtilTest,IfaceEventHandlers_SetMacAddress)68 TEST_F(WifiIfaceUtilTest, IfaceEventHandlers_SetMacAddress) {
69 std::array<uint8_t, 6> mac_address = {};
70 std::copy(std::begin(kMacAddress), std::end(kMacAddress),
71 std::begin(mac_address));
72 EXPECT_CALL(*iface_tool_, SetMacAddress(testing::_, testing::_))
73 .WillRepeatedly(testing::Return(true));
74 EXPECT_CALL(*iface_tool_, SetUpState(testing::_, testing::_))
75 .WillRepeatedly(testing::Return(true));
76
77 // Register for iface state toggle events.
78 bool callback_invoked = false;
79 iface_util::IfaceEventHandlers event_handlers = {};
80 event_handlers.on_state_toggle_off_on =
81 [&callback_invoked](const std::string& /* iface_name */) {
82 callback_invoked = true;
83 };
84 iface_util_->registerIfaceEventHandlers(kIfaceName, event_handlers);
85 // Invoke setMacAddress and ensure that the cb is invoked.
86 ASSERT_TRUE(iface_util_->setMacAddress(kIfaceName, mac_address));
87 ASSERT_TRUE(callback_invoked);
88
89 // Unregister for iface state toggle events.
90 callback_invoked = false;
91 iface_util_->unregisterIfaceEventHandlers(kIfaceName);
92 // Invoke setMacAddress and ensure that the cb is not invoked.
93 ASSERT_TRUE(iface_util_->setMacAddress(kIfaceName, mac_address));
94 ASSERT_FALSE(callback_invoked);
95 }
96 } // namespace iface_util
97 } // namespace implementation
98 } // namespace V1_5
99 } // namespace wifi
100 } // namespace hardware
101 } // namespace android
102