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platform_system_connectivity_wificond
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platform_system_connectivit.../tests/server_unittest.cpp

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/*
* Copyright (C) 2016, The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <array>
#include <memory>
#include <gmock/gmock.h>
#include <gtest/gtest.h>
#include <wifi_system_test/mock_interface_tool.h>
#include "android/net/wifi/nl80211/IApInterface.h"
#include "wificond/tests/mock_netlink_manager.h"
#include "wificond/tests/mock_netlink_utils.h"
#include "wificond/tests/mock_scan_utils.h"
#include "wificond/server.h"
using android::net::wifi::nl80211::IApInterface;
using android::net::wifi::nl80211::IClientInterface;
using android::wifi_system::InterfaceTool;
using android::wifi_system::MockInterfaceTool;
using std::unique_ptr;
using std::vector;
using testing::Eq;
using testing::Invoke;
using testing::NiceMock;
using testing::Return;
using testing::Sequence;
using testing::StrEq;
using testing::_;
using namespace std::placeholders;
namespace android {
namespace wificond {
namespace {
const char kFakeInterfaceName[] = "testif0";
const char kFakeInterfaceName1[] = "testif1";
const char kFakeInterfaceNameP2p[] = "testif-p2p0";
const char kFateInterfaceNameInvalid[] = "testif-invalid";
const uint32_t kFakeInterfaceIndex = 34;
const uint32_t kFakeInterfaceIndex1 = 36;
const uint32_t kFakeInterfaceIndexP2p = 36;
const std::array<uint8_t, ETH_ALEN> kFakeInterfaceMacAddress = {0x45, 0x54, 0xad, 0x67, 0x98, 0xf6};
const std::array<uint8_t, ETH_ALEN> kFakeInterfaceMacAddress1 = {0x05, 0x04, 0xef, 0x27, 0x12, 0xff};
const std::array<uint8_t, ETH_ALEN> kFakeInterfaceMacAddressP2p = {0x15, 0x24, 0xef, 0x27, 0x12, 0xff};
// This is a helper function to mock the behavior of
// NetlinkUtils::GetInterfaces().
// |wiphy_index| is mapped to first parameters of GetInterfaces().
// |response| is mapped to second parameters of GetInterfaces().
// |mock_response| and |mock_return_value| are additional parameters used
// for specifying expected results,
bool MockGetInterfacesResponse(
const vector<InterfaceInfo>& mock_response,
bool mock_return_value,
uint32_t wiphy_index,
vector<InterfaceInfo>* response) {
for (const auto& interface : mock_response) {
response->emplace_back(interface);
}
return mock_return_value;
}
class ServerTest : public ::testing::Test {
protected:
void SetUp() override {
ON_CALL(*if_tool_, SetUpState(_, _)).WillByDefault(Return(true));
ON_CALL(*netlink_utils_, GetWiphyIndex(_)).WillByDefault(Return(true));
ON_CALL(*netlink_utils_, GetWiphyIndex(_, _)).WillByDefault(Return(true));
ON_CALL(*netlink_utils_, GetInterfaces(_, _))
.WillByDefault(Invoke(bind(
MockGetInterfacesResponse, mock_interfaces, true, _1, _2)));
}
NiceMock<MockInterfaceTool>* if_tool_ = new NiceMock<MockInterfaceTool>;
unique_ptr<NiceMock<MockNetlinkManager>> netlink_manager_{
new NiceMock<MockNetlinkManager>()};
unique_ptr<NiceMock<MockNetlinkUtils>> netlink_utils_{
new NiceMock<MockNetlinkUtils>(netlink_manager_.get())};
unique_ptr<NiceMock<MockScanUtils>> scan_utils_{
new NiceMock<MockScanUtils>(netlink_manager_.get())};
const vector<InterfaceInfo> mock_interfaces = {
// Client interface
InterfaceInfo(
kFakeInterfaceIndex,
std::string(kFakeInterfaceName),
std::array<uint8_t, ETH_ALEN>(kFakeInterfaceMacAddress)),
// AP Interface
InterfaceInfo(
kFakeInterfaceIndex1,
std::string(kFakeInterfaceName1),
std::array<uint8_t, ETH_ALEN>(kFakeInterfaceMacAddress1)),
// p2p interface
InterfaceInfo(
kFakeInterfaceIndexP2p,
std::string(kFakeInterfaceNameP2p),
std::array<uint8_t, ETH_ALEN>(kFakeInterfaceMacAddressP2p))
};
Server server_{unique_ptr<InterfaceTool>(if_tool_),
netlink_utils_.get(),
scan_utils_.get()};
}; // class ServerTest
} // namespace
TEST_F(ServerTest, CanSetUpApInterface) {
sp<IApInterface> ap_if;
EXPECT_CALL(*netlink_utils_, SubscribeRegDomainChange(_, _));
EXPECT_TRUE(server_.createApInterface(kFakeInterfaceName, &ap_if).isOk());
EXPECT_NE(nullptr, ap_if.get());
}
TEST_F(ServerTest, CanSupportMultipleInterfaces) {
sp<IApInterface> ap_if;
EXPECT_TRUE(server_.createApInterface(kFakeInterfaceName, &ap_if).isOk());
EXPECT_NE(nullptr, ap_if.get());
sp<IApInterface> second_ap_if;
// We won't throw on a second interface request.
EXPECT_TRUE(server_.createApInterface(kFakeInterfaceName, &second_ap_if).isOk());
// But this time we won't get an interface back.
EXPECT_NE(nullptr, second_ap_if.get());
}
TEST_F(ServerTest, CanDestroyInterfaces) {
sp<IApInterface> ap_if;
EXPECT_TRUE(server_.createApInterface(kFakeInterfaceName, &ap_if).isOk());
// When we tear down the interface, we expect the driver to be unloaded.
EXPECT_CALL(*netlink_utils_, UnsubscribeRegDomainChange(_));
EXPECT_TRUE(server_.tearDownInterfaces().isOk());
// After a tearDown, we should be able to create another interface.
EXPECT_TRUE(server_.createApInterface(kFakeInterfaceName, &ap_if).isOk());
}
TEST_F(ServerTest, CanTeardownApInterface) {
sp<IApInterface> ap_if;
EXPECT_TRUE(server_.createApInterface(kFakeInterfaceName, &ap_if).isOk());
EXPECT_NE(nullptr, ap_if.get());
// Try to remove an invalid iface name, this should fail.
bool success = true;
EXPECT_TRUE(server_.tearDownApInterface(
kFateInterfaceNameInvalid, &success).isOk());
EXPECT_FALSE(success);
EXPECT_TRUE(server_.tearDownApInterface(kFakeInterfaceName, &success).isOk());
EXPECT_TRUE(success);
}
TEST_F(ServerTest, CanTeardownClientInterface) {
sp<IClientInterface> client_if;
EXPECT_TRUE(server_.createClientInterface(
kFakeInterfaceName, &client_if).isOk());
EXPECT_NE(nullptr, client_if.get());
// Try to remove an invalid iface name, this should fail.
bool success = true;
EXPECT_TRUE(server_.tearDownClientInterface(
kFateInterfaceNameInvalid, &success).isOk());
EXPECT_FALSE(success);
EXPECT_TRUE(server_.tearDownClientInterface(
kFakeInterfaceName, &success).isOk());
EXPECT_TRUE(success);
}
TEST_F(ServerTest, CanCreateTeardownApAndClientInterface) {
sp<IClientInterface> client_if;
sp<IApInterface> ap_if;
EXPECT_TRUE(server_.createClientInterface(kFakeInterfaceName, &client_if).isOk());
EXPECT_NE(nullptr, client_if.get());
EXPECT_TRUE(server_.createApInterface(kFakeInterfaceName1, &ap_if).isOk());
EXPECT_NE(nullptr, ap_if.get());
bool success = true;
// Try to remove an invalid iface name, this should fail.
EXPECT_TRUE(server_.tearDownClientInterface(
kFateInterfaceNameInvalid, &success).isOk());
EXPECT_FALSE(success);
EXPECT_TRUE(server_.tearDownApInterface(
kFateInterfaceNameInvalid, &success).isOk());
EXPECT_FALSE(success);
EXPECT_TRUE(server_.tearDownClientInterface(
kFakeInterfaceName, &success).isOk());
EXPECT_TRUE(success);
EXPECT_TRUE(server_.tearDownApInterface(
kFakeInterfaceName1, &success).isOk());
EXPECT_TRUE(success);
}
TEST_F(ServerTest, CanDestroyApAndClientInterfaces) {
sp<IClientInterface> client_if;
sp<IApInterface> ap_if;
EXPECT_TRUE(server_.createClientInterface(
kFakeInterfaceName, &client_if).isOk());
EXPECT_NE(nullptr, client_if.get());
EXPECT_TRUE(server_.createApInterface(kFakeInterfaceName1, &ap_if).isOk());
EXPECT_NE(nullptr, ap_if.get());
// When we tear down the interfaces, we expect the iface to be unloaded.
EXPECT_CALL(*if_tool_, SetUpState(StrEq(kFakeInterfaceName), Eq(false))).Times(2);
EXPECT_CALL(*if_tool_, SetUpState(StrEq(kFakeInterfaceName1), Eq(false))).Times(2);
EXPECT_TRUE(server_.tearDownInterfaces().isOk());
}
} // namespace wificond
} // namespace android
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