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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/fuchsia/fidl_event_handler.h"
#include <fidl/base.testfidl/cpp/fidl.h>
#include <fidl/fuchsia.logger/cpp/fidl.h>
#include <lib/sys/cpp/component_context.h>
#include "base/fuchsia/fuchsia_component_connect.h"
#include "base/fuchsia/process_context.h"
#include "base/fuchsia/scoped_service_binding.h"
#include "base/fuchsia/test_component_context_for_process.h"
#include "base/fuchsia/test_interface_natural_impl.h"
#include "base/fuchsia/test_log_listener_safe.h"
#include "base/task/thread_pool.h"
#include "base/test/bind.h"
#include "base/test/scoped_logging_settings.h"
#include "base/test/task_environment.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace {
constexpr char kBaseUnittestsExec[] = "base_unittests__exec";
} // namespace
namespace base {
class FidlEventHandlerTest : public testing::Test {
public:
FidlEventHandlerTest() {
test_context_.AddService(
fidl::DiscoverableProtocolName<fuchsia_logger::Log>);
ListenFilteredByCurrentProcessId(listener_);
// Initialize logging in the `scoped_logging_settings_`.
CHECK(logging::InitLogging({.logging_dest = logging::LOG_DEFAULT}));
}
FidlEventHandlerTest(const FidlEventHandlerTest&) = delete;
FidlEventHandlerTest& operator=(const FidlEventHandlerTest&) = delete;
~FidlEventHandlerTest() override = default;
protected:
test::SingleThreadTaskEnvironment task_environment_{
test::SingleThreadTaskEnvironment::MainThreadType::IO};
SimpleTestLogListener listener_;
// Ensure that logging is directed to the system debug log.
logging::ScopedLoggingSettings scoped_logging_settings_;
TestComponentContextForProcess test_context_;
TestInterfaceNaturalImpl test_service_;
};
TEST_F(FidlEventHandlerTest, FidlErrorEventLogger) {
FidlErrorEventLogger<base_testfidl::TestInterface> event_handler;
event_handler.on_fidl_error(fidl::UnbindInfo::PeerClosed(ZX_ERR_PEER_CLOSED));
constexpr char kLogMessage[] =
"base.testfidl.TestInterface was disconnected with ZX_ERR_PEER_CLOSED";
std::optional<fuchsia_logger::LogMessage> logged_message =
listener_.RunUntilMessageReceived(kLogMessage);
ASSERT_TRUE(logged_message.has_value());
EXPECT_EQ(logged_message->severity(),
static_cast<int32_t>(fuchsia_logger::LogLevelFilter::kError));
ASSERT_EQ(logged_message->tags().size(), 1u);
EXPECT_EQ(logged_message->tags()[0], kBaseUnittestsExec);
}
TEST_F(FidlEventHandlerTest, FidlErrorEventLogger_CustomProtocolName) {
FidlErrorEventLogger<base_testfidl::TestInterface> event_handler(
"test_protocol_name");
event_handler.on_fidl_error(fidl::UnbindInfo::PeerClosed(ZX_ERR_PEER_CLOSED));
constexpr char kLogMessage[] =
"test_protocol_name was disconnected with ZX_ERR_PEER_CLOSED";
std::optional<fuchsia_logger::LogMessage> logged_message =
listener_.RunUntilMessageReceived(kLogMessage);
ASSERT_TRUE(logged_message.has_value());
EXPECT_EQ(logged_message->severity(),
static_cast<int32_t>(fuchsia_logger::LogLevelFilter::kError));
ASSERT_EQ(logged_message->tags().size(), 1u);
EXPECT_EQ(logged_message->tags()[0], kBaseUnittestsExec);
}
TEST_F(FidlEventHandlerTest, FidlErrorEventLogger_LogsOnServiceClosure) {
FidlErrorEventLogger<base_testfidl::TestInterface> event_handler;
auto client_end = fuchsia_component::ConnectAt<base_testfidl::TestInterface>(
test_context_.published_services_natural());
EXPECT_TRUE(client_end.is_ok());
fidl::Client client(std::move(*client_end), async_get_default_dispatcher(),
&event_handler);
{
ScopedNaturalServiceBinding<base_testfidl::TestInterface> binding(
ComponentContextForProcess()->outgoing().get(), &test_service_);
ASSERT_EQ(ZX_OK, VerifyTestInterface(client));
};
constexpr char kLogMessage[] =
"base.testfidl.TestInterface was disconnected with ZX_ERR_PEER_CLOSED";
std::optional<fuchsia_logger::LogMessage> logged_message =
listener_.RunUntilMessageReceived(kLogMessage);
ASSERT_TRUE(logged_message.has_value());
EXPECT_EQ(logged_message->severity(),
static_cast<int32_t>(fuchsia_logger::LogLevelFilter::kError));
ASSERT_EQ(logged_message->tags().size(), 1u);
EXPECT_EQ(logged_message->tags()[0], kBaseUnittestsExec);
}
TEST(FidlEventHandlerDeathTest, FidlErrorEventProcessExiter) {
FidlErrorEventProcessExiter<base_testfidl::TestInterface> event_handler;
EXPECT_DEATH(
event_handler.on_fidl_error(
fidl::UnbindInfo::PeerClosed(ZX_ERR_PEER_CLOSED)),
testing::HasSubstr("base.testfidl.TestInterface disconnected "
"unexpectedly, exiting: ZX_ERR_PEER_CLOSED (-24)"));
}
TEST(FidlEventHandlerDeathTest,
FidlErrorEventProcessExiter_CustomProtocolName) {
FidlErrorEventProcessExiter<base_testfidl::TestInterface> event_handler(
"test_protocol_name");
EXPECT_DEATH(
event_handler.on_fidl_error(
fidl::UnbindInfo::PeerClosed(ZX_ERR_PEER_CLOSED)),
testing::HasSubstr("test_protocol_name disconnected unexpectedly, "
"exiting: ZX_ERR_PEER_CLOSED (-24)"));
}
TEST(FidlEventHandlerDeathTest,
FidlErrorEventProcessExiter_LogsOnServiceClosure) {
test::SingleThreadTaskEnvironment task_environment_{
test::SingleThreadTaskEnvironment::MainThreadType::IO};
TestComponentContextForProcess test_context;
FidlErrorEventProcessExiter<base_testfidl::TestInterface> event_handler;
auto client_end = fuchsia_component::ConnectAt<base_testfidl::TestInterface>(
test_context.published_services_natural());
EXPECT_TRUE(client_end.is_ok());
fidl::Client client(std::move(*client_end), async_get_default_dispatcher(),
&event_handler);
auto bind_and_close_service = [&] {
{
TestInterfaceNaturalImpl test_service;
ScopedNaturalServiceBinding<base_testfidl::TestInterface> binding(
ComponentContextForProcess()->outgoing().get(), &test_service);
ASSERT_EQ(ZX_OK, VerifyTestInterface(client));
}
base::RunLoop().RunUntilIdle();
};
EXPECT_DEATH(
bind_and_close_service(),
testing::HasSubstr("base.testfidl.TestInterface disconnected "
"unexpectedly, exiting: ZX_ERR_PEER_CLOSED (-24)"));
}
TEST_F(FidlEventHandlerTest, FidlErrorEventHandler) {
RunLoop loop;
FidlErrorEventHandler<base_testfidl::TestInterface> event_handler(
base::BindLambdaForTesting(
[quit_closure = loop.QuitClosure()](fidl::UnbindInfo error) {
ASSERT_TRUE(error.is_peer_closed());
quit_closure.Run();
}));
event_handler.on_fidl_error(fidl::UnbindInfo::PeerClosed(ZX_ERR_PEER_CLOSED));
loop.Run();
}
TEST_F(FidlEventHandlerTest, FidlErrorEventHandler_FiresOnServiceClosure) {
RunLoop loop;
FidlErrorEventHandler<base_testfidl::TestInterface> event_handler(
base::BindLambdaForTesting(
[quit_closure = loop.QuitClosure()](fidl::UnbindInfo error) {
ASSERT_TRUE(error.is_peer_closed());
quit_closure.Run();
}));
auto client_end = fuchsia_component::ConnectAt<base_testfidl::TestInterface>(
test_context_.published_services_natural());
EXPECT_TRUE(client_end.is_ok());
fidl::Client client(std::move(*client_end), async_get_default_dispatcher(),
&event_handler);
{
ScopedNaturalServiceBinding<base_testfidl::TestInterface> binding(
ComponentContextForProcess()->outgoing().get(), &test_service_);
ASSERT_EQ(ZX_OK, VerifyTestInterface(client));
};
loop.Run();
}
} // namespace base
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