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// Copyright 2012 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/command_line.h"
#include "base/files/file_path.h"
#include "base/functional/bind.h"
#include "base/location.h"
#include "base/run_loop.h"
#include "base/test/bind.h"
#include "chrome/browser/extensions/extension_apitest.h"
#include "chromeos/process_proxy/process_proxy_registry.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/test/browser_test.h"
#include "extensions/common/switches.h"
namespace {
// For running and maintaining a `cat` process using `ProcessProxyRegistry`
// directly.
class CatProcess {
public:
CatProcess() {
base::RunLoop run_loop;
chromeos::ProcessProxyRegistry::GetTaskRunner()->PostTask(
FROM_HERE, base::BindLambdaForTesting([&]() {
chromeos::ProcessProxyRegistry* registry =
chromeos::ProcessProxyRegistry::Get();
auto on_output_on_process_thread = base::BindLambdaForTesting(
[this](const std::string&, const std::string&,
const std::string&) {
content::GetUIThreadTaskRunner({})->PostTask(
FROM_HERE, base::BindOnce(&CatProcess::OnOutputOnUIThread,
base::Unretained(this)));
});
// `user_id_hash` does not seems to matter in test.
this->ok_ = registry->OpenProcess(
base::CommandLine(base::FilePath("cat")), /*user_id_hash=*/"user",
on_output_on_process_thread, &this->process_id_);
run_loop.Quit();
}));
run_loop.Run();
}
~CatProcess() {
if (ok_) {
chromeos::ProcessProxyRegistry::GetTaskRunner()->PostTask(
FROM_HERE,
base::BindOnce(
[](const std::string& process_id) {
chromeos::ProcessProxyRegistry::Get()->CloseProcess(process_id);
},
process_id_));
}
}
bool ok() const { return ok_; }
bool has_output() const { return has_output_; }
const std::string& process_id() const { return process_id_; }
void send_input_and_wait_output(const std::string& data) {
base::RunLoop run_loop;
CHECK(on_output_closure_.is_null());
on_output_closure_ = run_loop.QuitClosure();
chromeos::ProcessProxyRegistry::GetTaskRunner()->PostTask(
FROM_HERE, base::BindLambdaForTesting([&]() {
chromeos::ProcessProxyRegistry::Get()->SendInput(
this->process_id_, data, base::DoNothing());
}));
run_loop.Run();
}
private:
void OnOutputOnUIThread() {
// We don't bother to call `ProcessProxyRegistry::AckOutput()` here since we
// only need to know whether there is some output.
has_output_ = true;
if (!on_output_closure_.is_null()) {
std::move(on_output_closure_).Run();
}
}
bool ok_;
std::string process_id_;
bool has_output_{false};
base::OnceClosure on_output_closure_;
};
} // namespace
class ExtensionTerminalPrivateApiTest : public extensions::ExtensionApiTest {
void SetUpCommandLine(base::CommandLine* command_line) override {
extensions::ExtensionApiTest::SetUpCommandLine(command_line);
command_line->AppendSwitchASCII(
extensions::switches::kAllowlistedExtensionID,
"kidcpjlbjdmcnmccjhjdckhbngnhnepk");
}
};
IN_PROC_BROWSER_TEST_F(ExtensionTerminalPrivateApiTest, CatProcess) {
CatProcess cat_process;
ASSERT_TRUE(cat_process.ok());
ASSERT_FALSE(cat_process.has_output());
cat_process.send_input_and_wait_output("hello");
ASSERT_TRUE(cat_process.has_output());
}
IN_PROC_BROWSER_TEST_F(ExtensionTerminalPrivateApiTest, TerminalTest) {
CatProcess cat_process;
ASSERT_TRUE(cat_process.ok());
const std::string extension_url =
"test.html?foreign_id=" + cat_process.process_id();
EXPECT_TRUE(RunExtensionTest("terminal/component_extension",
{.extension_url = extension_url.c_str()}))
<< message_;
// Double check that test.html cannot write to the cat process here;
// Otherwises, we should detect some output.
base::RunLoop().RunUntilIdle();
EXPECT_FALSE(cat_process.has_output());
}
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