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nearby/connections/implementation/p2p_cluster_pcp_handler_test.cc
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2023-01-06 02:53:57 -08:00

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// Copyright 2021 Google LLC
//
// 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
//
// https://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 "connections/implementation/p2p_cluster_pcp_handler.h"
#include <memory>
#include <string>
#include "gmock/gmock.h"
#include "protobuf-matchers/protocol-buffer-matchers.h"
#include "gtest/gtest.h"
#include "absl/time/time.h"
#include "connections/implementation/bwu_manager.h"
#include "connections/implementation/injected_bluetooth_device_store.h"
#include "internal/platform/count_down_latch.h"
#include "internal/platform/logging.h"
#include "internal/platform/medium_environment.h"
namespace nearby {
namespace connections {
namespace {
constexpr BooleanMediumSelector kTestCases[] = {
BooleanMediumSelector{
.ble = true,
},
BooleanMediumSelector{
.bluetooth = true,
},
BooleanMediumSelector{
.wifi_lan = true,
},
BooleanMediumSelector{
.bluetooth = true,
.ble = true,
},
BooleanMediumSelector{
.bluetooth = true,
.wifi_lan = true,
},
BooleanMediumSelector{
.ble = true,
.wifi_lan = true,
},
BooleanMediumSelector{
.bluetooth = true,
.ble = true,
.wifi_lan = true,
},
};
// Combines the bool `support_ble_v2` as param testing but should revert it back
// if ble_v2 is done and ble will be replaced by ble_v2.
class P2pClusterPcpHandlerTest
: public testing::TestWithParam<std::tuple<BooleanMediumSelector, bool>> {
protected:
void SetUp() override {
NEARBY_LOG(INFO, "SetUp: begin");
FeatureFlags::GetMutableFlagsForTesting().support_ble_v2 =
std::get<1>(GetParam());
if (advertising_options_.allowed.ble) {
NEARBY_LOG(INFO, "SetUp: BLE enabled");
}
if (advertising_options_.allowed.bluetooth) {
NEARBY_LOG(INFO, "SetUp: BT enabled");
}
if (advertising_options_.allowed.wifi_lan) {
NEARBY_LOG(INFO, "SetUp: WifiLan enabled");
}
if (advertising_options_.allowed.web_rtc) {
NEARBY_LOG(INFO, "SetUp: WebRTC enabled");
}
NEARBY_LOG(INFO, "SetUp: end");
}
ClientProxy client_a_;
ClientProxy client_b_;
std::string service_id_{"service"};
ConnectionOptions connection_options_{
{
Strategy::kP2pCluster,
std::get<0>(GetParam()),
},
};
AdvertisingOptions advertising_options_{
{
Strategy::kP2pCluster,
std::get<0>(GetParam()),
},
};
DiscoveryOptions discovery_options_{
{
Strategy::kP2pCluster,
std::get<0>(GetParam()),
},
};
MediumEnvironment& env_{MediumEnvironment::Instance()};
};
TEST_P(P2pClusterPcpHandlerTest, CanConstructOne) {
env_.Start();
Mediums mediums;
EndpointChannelManager ecm;
EndpointManager em(&ecm);
BwuManager bwu(mediums, em, ecm, {}, {});
InjectedBluetoothDeviceStore ibds;
P2pClusterPcpHandler handler(&mediums, &em, &ecm, &bwu, ibds);
env_.Stop();
}
TEST_P(P2pClusterPcpHandlerTest, CanConstructMultiple) {
env_.Start();
Mediums mediums_a;
Mediums mediums_b;
EndpointChannelManager ecm_a;
EndpointChannelManager ecm_b;
EndpointManager em_a(&ecm_a);
EndpointManager em_b(&ecm_b);
BwuManager bwu_a(mediums_a, em_a, ecm_a, {}, {});
BwuManager bwu_b(mediums_b, em_b, ecm_b, {}, {});
InjectedBluetoothDeviceStore ibds_a;
InjectedBluetoothDeviceStore ibds_b;
P2pClusterPcpHandler handler_a(&mediums_a, &em_a, &ecm_a, &bwu_a, ibds_a);
P2pClusterPcpHandler handler_b(&mediums_b, &em_b, &ecm_b, &bwu_b, ibds_b);
env_.Stop();
}
TEST_P(P2pClusterPcpHandlerTest, CanAdvertise) {
env_.Start();
std::string endpoint_name{"endpoint_name"};
Mediums mediums_a;
EndpointChannelManager ecm_a;
EndpointManager em_a(&ecm_a);
BwuManager bwu_a(mediums_a, em_a, ecm_a, {}, {});
InjectedBluetoothDeviceStore ibds_a;
P2pClusterPcpHandler handler_a(&mediums_a, &em_a, &ecm_a, &bwu_a, ibds_a);
EXPECT_EQ(
handler_a.StartAdvertising(&client_a_, service_id_, advertising_options_,
{.endpoint_info = ByteArray{endpoint_name}}),
Status{Status::kSuccess});
env_.Stop();
}
TEST_P(P2pClusterPcpHandlerTest, CanDiscover) {
env_.Start();
std::string endpoint_name{"endpoint_name"};
Mediums mediums_a;
Mediums mediums_b;
EndpointChannelManager ecm_a;
EndpointChannelManager ecm_b;
EndpointManager em_a(&ecm_a);
EndpointManager em_b(&ecm_b);
BwuManager bwu_a(mediums_a, em_a, ecm_a, {}, {});
BwuManager bwu_b(mediums_b, em_b, ecm_b, {}, {});
InjectedBluetoothDeviceStore ibds_a;
InjectedBluetoothDeviceStore ibds_b;
P2pClusterPcpHandler handler_a(&mediums_a, &em_a, &ecm_a, &bwu_a, ibds_a);
P2pClusterPcpHandler handler_b(&mediums_b, &em_b, &ecm_b, &bwu_b, ibds_b);
CountDownLatch latch(1);
EXPECT_EQ(
handler_a.StartAdvertising(&client_a_, service_id_, advertising_options_,
{.endpoint_info = ByteArray{endpoint_name}}),
Status{Status::kSuccess});
EXPECT_EQ(handler_b.StartDiscovery(
&client_b_, service_id_, discovery_options_,
{
.endpoint_found_cb =
[&latch](const std::string& endpoint_id,
const ByteArray& endpoint_info,
const std::string& service_id) {
NEARBY_LOG(INFO, "Device discovered: id=%s",
endpoint_id.c_str());
latch.CountDown();
},
}),
Status{Status::kSuccess});
EXPECT_TRUE(latch.Await(absl::Milliseconds(1000)).result());
// We discovered endpoint over one medium. Before we finish the test, we have
// to stop discovery for other mediums that may be still ongoing.
handler_b.StopDiscovery(&client_b_);
env_.Stop();
}
TEST_P(P2pClusterPcpHandlerTest, CanConnect) {
env_.Start();
std::string endpoint_name_a{"endpoint_name"};
Mediums mediums_a;
Mediums mediums_b;
BluetoothRadio& radio_a = mediums_a.GetBluetoothRadio();
BluetoothRadio& radio_b = mediums_b.GetBluetoothRadio();
radio_a.GetBluetoothAdapter().SetName("BT Device A");
radio_b.GetBluetoothAdapter().SetName("BT Device B");
EndpointChannelManager ecm_a;
EndpointChannelManager ecm_b;
EndpointManager em_a(&ecm_a);
EndpointManager em_b(&ecm_b);
BwuManager bwu_a(mediums_a, em_a, ecm_a, {},
{.allow_upgrade_to = {.bluetooth = true}});
BwuManager bwu_b(mediums_b, em_b, ecm_b, {},
{.allow_upgrade_to = {.bluetooth = true}});
InjectedBluetoothDeviceStore ibds_a;
InjectedBluetoothDeviceStore ibds_b;
P2pClusterPcpHandler handler_a(&mediums_a, &em_a, &ecm_a, &bwu_a, ibds_a);
P2pClusterPcpHandler handler_b(&mediums_b, &em_b, &ecm_b, &bwu_b, ibds_b);
CountDownLatch discover_latch(1);
CountDownLatch connect_latch(2);
struct DiscoveredInfo {
std::string endpoint_id;
ByteArray endpoint_info;
std::string service_id;
} discovered;
EXPECT_EQ(
handler_a.StartAdvertising(
&client_a_, service_id_, advertising_options_,
{
.endpoint_info = ByteArray{endpoint_name_a},
.listener =
{
.initiated_cb =
[&connect_latch](const std::string& endpoint_id,
const ConnectionResponseInfo& info) {
NEARBY_LOG(INFO,
"StartAdvertising: initiated_cb called");
connect_latch.CountDown();
},
},
}),
Status{Status::kSuccess});
EXPECT_EQ(handler_b.StartDiscovery(
&client_b_, service_id_, discovery_options_,
{
.endpoint_found_cb =
[&discover_latch, &discovered](
const std::string& endpoint_id,
const ByteArray& endpoint_info,
const std::string& service_id) {
NEARBY_LOG(
INFO,
"Device discovered: id=%s, endpoint_info=%s",
endpoint_id.c_str(),
std::string{endpoint_info}.c_str());
discovered = {
.endpoint_id = endpoint_id,
.endpoint_info = endpoint_info,
.service_id = service_id,
};
discover_latch.CountDown();
},
}),
Status{Status::kSuccess});
EXPECT_TRUE(discover_latch.Await(absl::Milliseconds(1000)).result());
EXPECT_EQ(endpoint_name_a, std::string{discovered.endpoint_info});
const std::string kBssid = "34:36:3B:C7:8C:71";
const std::int32_t kFreq = 5200;
constexpr char kIp4Bytes[] = {(char)192, (char)168, (char)1, (char)37};
const std::string kIpAddr4Bytes(kIp4Bytes);
connection_options_.connection_info.supports_5_ghz = true;
connection_options_.connection_info.bssid = kBssid;
connection_options_.connection_info.ap_frequency = kFreq;
connection_options_.connection_info.ip_address = kIpAddr4Bytes;
client_b_.AddCancellationFlag(discovered.endpoint_id);
handler_b.RequestConnection(
&client_b_, discovered.endpoint_id,
{.endpoint_info = discovered.endpoint_info,
.listener =
{
.initiated_cb =
[&connect_latch](const std::string& endpoint_id,
const ConnectionResponseInfo& info) {
NEARBY_LOG(INFO, "RequestConnection: initiated_cb called");
connect_latch.CountDown();
},
}},
connection_options_);
std::string client_b_local_endpoint = client_b_.GetLocalEndpointId();
EXPECT_TRUE(connect_latch.Await(absl::Milliseconds(1000)).result());
EXPECT_TRUE(client_b_.Is5GHzSupported(discovered.endpoint_id));
EXPECT_EQ(client_b_.GetBssid(discovered.endpoint_id), kBssid);
EXPECT_EQ(client_b_.GetApFrequency(discovered.endpoint_id), kFreq);
EXPECT_EQ(client_b_.GetIPAddress(discovered.endpoint_id), kIpAddr4Bytes);
EXPECT_EQ(client_a_.Is5GHzSupported(client_b_local_endpoint),
mediums_b.GetWifi().GetCapability().supports_5_ghz);
EXPECT_EQ(client_a_.GetBssid(client_b_local_endpoint),
mediums_b.GetWifi().GetInformation().bssid);
EXPECT_EQ(client_a_.GetApFrequency(client_b_local_endpoint),
mediums_b.GetWifi().GetInformation().ap_frequency);
EXPECT_EQ(client_a_.GetIPAddress(client_b_local_endpoint),
mediums_b.GetWifi().GetInformation().ip_address_4_bytes);
bwu_a.Shutdown();
bwu_b.Shutdown();
env_.Stop();
}
INSTANTIATE_TEST_SUITE_P(ParametrisedPcpHandlerTest, P2pClusterPcpHandlerTest,
::testing::Combine(::testing::ValuesIn(kTestCases),
::testing::Bool()));
} // namespace
} // namespace connections
} // namespace nearby