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content / browser / service_process_host_browsertest.cc [blame]
// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/public/browser/service_process_host.h"
#include <string.h>
#include <array>
#include "base/memory/shared_memory_mapping.h"
#include "base/memory/unsafe_shared_memory_region.h"
#include "base/process/process.h"
#include "base/run_loop.h"
#include "base/test/bind.h"
#include "base/time/time.h"
#include "base/timer/elapsed_timer.h"
#include "content/public/test/browser_test.h"
#include "content/public/test/content_browser_test.h"
#include "services/test/echo/public/mojom/echo.mojom.h"
#include "testing/gtest/include/gtest/gtest.h"
#if BUILDFLAG(IS_WIN)
#include <windows.h>
#include "base/base_paths.h"
#include "base/files/file_path.h"
#include "base/path_service.h"
#include "content/public/browser/service_process_host_passkeys.h"
#endif
namespace content {
#if BUILDFLAG(IS_WIN)
using LoadStatus = echo::mojom::EchoService::LoadStatus;
namespace {
// This is used as the module name to load, and to make the DLL filename.
constexpr const wchar_t* kEchoPreloadLibrary = L"echo_preload_library";
// DLL path relative to current executable.
base::FilePath GetDllPath(std::wstring mod_name) {
mod_name.append(L".dll");
auto exe_dir = base::PathService::CheckedGet(base::BasePathKey::DIR_EXE);
return exe_dir.Append(mod_name);
}
} // namespace
#endif // BUILDFLAG(IS_WIN)
constexpr char kTestUrl[] = "https://foo.bar";
using ServiceProcessHostBrowserTest = ContentBrowserTest;
class EchoServiceProcessObserver : public ServiceProcessHost::Observer {
public:
EchoServiceProcessObserver() { ServiceProcessHost::AddObserver(this); }
EchoServiceProcessObserver(const EchoServiceProcessObserver&) = delete;
EchoServiceProcessObserver& operator=(const EchoServiceProcessObserver&) =
delete;
~EchoServiceProcessObserver() override {
ServiceProcessHost::RemoveObserver(this);
}
void WaitForLaunch() { launch_loop_.Run(); }
void WaitForDeath() { death_loop_.Run(); }
void WaitForCrash() { crash_loop_.Run(); }
// Valid after WaitForLaunch.
base::ProcessId pid() const { return process_.Pid(); }
private:
// ServiceProcessHost::Observer:
void OnServiceProcessLaunched(const ServiceProcessInfo& info) override {
if (info.IsService<echo::mojom::EchoService>()) {
process_ = info.GetProcess().Duplicate();
launch_loop_.Quit();
}
}
void OnServiceProcessTerminatedNormally(
const ServiceProcessInfo& info) override {
if (info.IsService<echo::mojom::EchoService>())
death_loop_.Quit();
}
void OnServiceProcessCrashed(const ServiceProcessInfo& info) override {
if (info.IsService<echo::mojom::EchoService>()) {
ASSERT_EQ(info.site(), GURL(kTestUrl));
crash_loop_.Quit();
}
}
base::RunLoop launch_loop_;
base::RunLoop death_loop_;
base::RunLoop crash_loop_;
base::Process process_;
};
IN_PROC_BROWSER_TEST_F(ServiceProcessHostBrowserTest, Launch) {
EchoServiceProcessObserver observer;
base::ProcessId pid_from_callback = base::kNullProcessId;
base::RunLoop pid_loop;
auto echo_service = ServiceProcessHost::Launch<echo::mojom::EchoService>(
ServiceProcessHost::Options()
.WithProcessCallback(
base::BindLambdaForTesting([&](const base::Process& process) {
pid_from_callback = process.Pid();
pid_loop.Quit();
}))
.Pass());
observer.WaitForLaunch();
pid_loop.Run();
EXPECT_EQ(pid_from_callback, observer.pid());
EXPECT_NE(base::kNullProcessId, pid_from_callback);
const std::string kTestString =
"Aurora borealis! At this time of year? At this time of day? "
"In this part of the country? Localized entirely within your kitchen?";
base::RunLoop loop;
echo_service->EchoString(
kTestString,
base::BindLambdaForTesting([&](const std::string& echoed_input) {
EXPECT_EQ(kTestString, echoed_input);
loop.Quit();
}));
loop.Run();
}
IN_PROC_BROWSER_TEST_F(ServiceProcessHostBrowserTest, LocalDisconnectQuits) {
EchoServiceProcessObserver observer;
auto echo_service = ServiceProcessHost::Launch<echo::mojom::EchoService>();
observer.WaitForLaunch();
echo_service.reset();
observer.WaitForDeath();
}
IN_PROC_BROWSER_TEST_F(ServiceProcessHostBrowserTest, RemoteDisconnectQuits) {
EchoServiceProcessObserver observer;
auto echo_service = ServiceProcessHost::Launch<echo::mojom::EchoService>();
observer.WaitForLaunch();
echo_service->Quit();
observer.WaitForDeath();
}
IN_PROC_BROWSER_TEST_F(ServiceProcessHostBrowserTest, AllMessagesReceived) {
// Verifies that messages sent right before disconnection are always received
// and dispatched by the service before it self-terminates.
EchoServiceProcessObserver observer;
auto echo_service = ServiceProcessHost::Launch<echo::mojom::EchoService>();
const size_t kBufferSize = 256;
const auto kMessages = std::to_array<std::string>({
"I thought we were having steamed clams.",
"D'oh, no! I said steamed hams. That's what I call hamburgers.",
"You call hamburgers, \"steamed hams?\"",
"Yes. It's a regional dialect.",
});
auto region = base::UnsafeSharedMemoryRegion::Create(kBufferSize);
base::WritableSharedMemoryMapping mapping = region.Map();
memset(mapping.memory(), 0, kBufferSize);
// Send several messages, since it helps to verify a lack of raciness between
// service-side message dispatch and service termination.
for (const auto& message : kMessages) {
ASSERT_LE(message.size(), kBufferSize);
echo_service->EchoStringToSharedMemory(message, region.Duplicate());
}
echo_service.reset();
observer.WaitForDeath();
const std::string& kLastMessage = kMessages[std::size(kMessages) - 1];
EXPECT_EQ(0,
memcmp(mapping.memory(), kLastMessage.data(), kLastMessage.size()));
}
IN_PROC_BROWSER_TEST_F(ServiceProcessHostBrowserTest, ObserveCrash) {
EchoServiceProcessObserver observer;
auto echo_service = ServiceProcessHost::Launch<echo::mojom::EchoService>(
ServiceProcessHost::Options().WithSite(GURL(kTestUrl)).Pass());
observer.WaitForLaunch();
echo_service->Crash();
observer.WaitForCrash();
}
IN_PROC_BROWSER_TEST_F(ServiceProcessHostBrowserTest, IdleTimeout) {
EchoServiceProcessObserver observer;
auto echo_service = ServiceProcessHost::Launch<echo::mojom::EchoService>();
base::RunLoop wait_for_idle_loop;
constexpr auto kTimeout = base::Seconds(1);
echo_service.set_idle_handler(kTimeout, base::BindLambdaForTesting([&] {
wait_for_idle_loop.Quit();
echo_service.reset();
}));
// Send a message and wait for the reply. Once the message is sent we should
// observe at least |kTimeout| time elapsing before the RunLoop quits, because
// the service process must wait at least that long to report itself as idle.
base::ElapsedTimer timer;
const std::string kTestString =
"Yes, and you call them steamed hams despite the fact that they are "
"obviously grilled.";
echo_service->EchoString(
kTestString,
base::BindLambdaForTesting([&](const std::string& echoed_input) {
EXPECT_EQ(kTestString, echoed_input);
}));
wait_for_idle_loop.Run();
EXPECT_GE(timer.Elapsed(), kTimeout);
// And since the idle handler resets |echo_service|, we should imminently see
// normal service process termination.
observer.WaitForDeath();
}
#if BUILDFLAG(IS_WIN)
IN_PROC_BROWSER_TEST_F(ServiceProcessHostBrowserTest, PreloadLibraryNotSet) {
EchoServiceProcessObserver observer;
auto echo_service = ServiceProcessHost::Launch<echo::mojom::EchoService>(
ServiceProcessHost::Options().Pass());
observer.WaitForLaunch();
base::RunLoop loop;
echo_service->LoadNativeLibrary(
GetDllPath(kEchoPreloadLibrary), /*call_sec32_delayload=*/false,
base::BindLambdaForTesting([&](LoadStatus status, uint32_t result) {
EXPECT_EQ(LoadStatus::kFailedLoadLibrary, status);
EXPECT_EQ(DWORD{ERROR_ACCESS_DENIED}, result);
loop.Quit();
}));
loop.Run();
}
IN_PROC_BROWSER_TEST_F(ServiceProcessHostBrowserTest, PreloadLibraryPreloaded) {
std::vector<base::FilePath> preloads;
preloads.push_back(GetDllPath(kEchoPreloadLibrary));
EchoServiceProcessObserver observer;
auto echo_service = ServiceProcessHost::Launch<echo::mojom::EchoService>(
ServiceProcessHost::Options()
.WithPreloadedLibraries(
preloads, ServiceProcessHostPreloadLibraries::GetPassKey())
.Pass());
observer.WaitForLaunch();
base::RunLoop loop;
echo_service->LoadNativeLibrary(
GetDllPath(kEchoPreloadLibrary),
/*call_sec32_delayload=*/true,
base::BindLambdaForTesting([&](LoadStatus status, uint32_t result) {
EXPECT_EQ(LoadStatus::kSuccess, status);
EXPECT_EQ(0u, result);
loop.Quit();
}));
loop.Run();
}
IN_PROC_BROWSER_TEST_F(ServiceProcessHostBrowserTest, PreloadLibraryMultiple) {
std::vector<base::FilePath> preloads;
// dbghelp is a placeholder - it will likely be loaded already - this test is
// validating that multiple libraries can be sent into the child.
preloads.push_back(GetDllPath(L"dbghelp"));
preloads.push_back(GetDllPath(kEchoPreloadLibrary));
EchoServiceProcessObserver observer;
auto echo_service = ServiceProcessHost::Launch<echo::mojom::EchoService>(
ServiceProcessHost::Options()
.WithPreloadedLibraries(
preloads, ServiceProcessHostPreloadLibraries::GetPassKey())
.Pass());
observer.WaitForLaunch();
base::RunLoop loop;
echo_service->LoadNativeLibrary(
GetDllPath(kEchoPreloadLibrary), /*call_sec32_delayload=*/false,
base::BindLambdaForTesting([&](LoadStatus status, uint32_t result) {
EXPECT_EQ(LoadStatus::kSuccess, status);
EXPECT_EQ(0u, result);
loop.Quit();
}));
loop.Run();
}
IN_PROC_BROWSER_TEST_F(ServiceProcessHostBrowserTest, PreloadLibraryModName) {
std::vector<base::FilePath> preloads;
preloads.push_back(GetDllPath(kEchoPreloadLibrary));
EchoServiceProcessObserver observer;
auto echo_service = ServiceProcessHost::Launch<echo::mojom::EchoService>(
ServiceProcessHost::Options()
.WithPreloadedLibraries(
preloads, ServiceProcessHostPreloadLibraries::GetPassKey())
.Pass());
observer.WaitForLaunch();
base::RunLoop loop;
// Once preloaded can people simply provide the module name?
echo_service->LoadNativeLibrary(
base::FilePath(kEchoPreloadLibrary), /*call_sec32_delayload=*/false,
base::BindLambdaForTesting([&](LoadStatus status, uint32_t result) {
EXPECT_EQ(LoadStatus::kSuccess, status);
EXPECT_EQ(0u, result);
loop.Quit();
}));
loop.Run();
}
// This test causes a CHECK in the child at startup.
IN_PROC_BROWSER_TEST_F(ServiceProcessHostBrowserTest, PreloadLibraryBadPath) {
std::vector<base::FilePath> preloads;
preloads.push_back(GetDllPath(L"this-is-not-a-library"));
EchoServiceProcessObserver observer;
auto echo_service = ServiceProcessHost::Launch<echo::mojom::EchoService>(
ServiceProcessHost::Options()
.WithSite(GURL(kTestUrl)) // For WaitForCrash().
.WithPreloadedLibraries(
preloads, ServiceProcessHostPreloadLibraries::GetPassKey())
.Pass());
observer.WaitForLaunch();
observer.WaitForCrash();
}
#endif // BUILDFLAG(IS_WIN)
} // namespace content