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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/chromeos/app_mode/kiosk_session_plugin_handler.h"
#include "chrome/browser/chromeos/app_mode/kiosk_session_plugin_handler_delegate.h"
#include "chrome/test/base/testing_browser_process.h"
#include "chrome/test/base/testing_profile.h"
#include "content/public/browser/web_contents.h"
#include "content/public/test/browser_task_environment.h"
#include "testing/gtest/include/gtest/gtest.h"
using content::WebContents;
using content::WebContentsObserver;
namespace chromeos {
namespace {
constexpr char kValidPluginPath[] = "/path/to/valid_plugin";
constexpr char kInvalidPluginPath[] = "/path/to/invalid_plugin";
constexpr char kProcessId = 2;
constexpr int kPluginChildId = 2;
} // namespace
class TestKioskSessionPluginHandlerDelegate
: public KioskSessionPluginHandlerDelegate {
public:
TestKioskSessionPluginHandlerDelegate() = default;
~TestKioskSessionPluginHandlerDelegate() override = default;
bool ShouldHandlePlugin(const base::FilePath& plugin_path) const override {
return plugin_path.AsUTF8Unsafe() == kValidPluginPath;
}
void OnPluginCrashed(const base::FilePath& plugin_path) override {
has_crashed_ = true;
}
void OnPluginHung(const std::set<int>& hung_plugins) override {}
bool has_crashed() const { return has_crashed_; }
private:
bool has_crashed_ = false;
};
class KioskSessionPluginHandlerTest : public testing::Test {
public:
KioskSessionPluginHandlerTest() = default;
~KioskSessionPluginHandlerTest() override = default;
void SetUp() override {
delegate_ = std::make_unique<TestKioskSessionPluginHandlerDelegate>();
handler_ = std::make_unique<KioskSessionPluginHandler>(delegate_.get());
}
TestKioskSessionPluginHandlerDelegate* delegate() const {
return delegate_.get();
}
KioskSessionPluginHandler* handler() const { return handler_.get(); }
private:
content::BrowserTaskEnvironment task_environment_;
std::unique_ptr<TestKioskSessionPluginHandlerDelegate> delegate_;
std::unique_ptr<KioskSessionPluginHandler> handler_;
};
TEST_F(KioskSessionPluginHandlerTest, ObserveAndDestroyWebContents) {
// At the beginning, there is no watcher.
EXPECT_EQ(handler()->GetWatchersForTesting().size(), 0U);
// The number of watchers increases after a new WebContents instance is
// observed.
TestingProfile profile1;
std::unique_ptr<WebContents> contents1 =
WebContents::Create(WebContents::CreateParams(&profile1));
handler()->Observe(contents1.get());
EXPECT_EQ(handler()->GetWatchersForTesting().size(), 1U);
// The number of watchers increases again after another new WebContents
// instance is observed.
TestingProfile profile2;
std::unique_ptr<WebContents> contents2 =
WebContents::Create(WebContents::CreateParams(&profile2));
handler()->Observe(contents2.get());
std::vector<KioskSessionPluginHandler::Observer*> watchers =
handler()->GetWatchersForTesting();
EXPECT_EQ(watchers.size(), 2U);
// The number of watchers returns to zero after each WebContents instance is
// destroyed.
for (WebContentsObserver* observer : watchers) {
observer->WebContentsDestroyed();
}
EXPECT_EQ(handler()->GetWatchersForTesting().size(), 0U);
}
TEST_F(KioskSessionPluginHandlerTest, PluginCrashed) {
TestingProfile profile;
std::unique_ptr<WebContents> contents =
WebContents::Create(WebContents::CreateParams(&profile));
handler()->Observe(contents.get());
WebContentsObserver* watcher = handler()->GetWatchersForTesting().front();
// At the beginning, no crash is notified to the delegate.
EXPECT_FALSE(delegate()->has_crashed());
// No crash is notified if the `plugin_path` is invalid.
watcher->PluginCrashed(base::FilePath(kInvalidPluginPath),
base::ProcessId(kProcessId));
EXPECT_FALSE(delegate()->has_crashed());
// Crash is notified if the `plugin_path` is valid.
watcher->PluginCrashed(base::FilePath(kValidPluginPath),
base::ProcessId(kProcessId));
EXPECT_TRUE(delegate()->has_crashed());
}
TEST_F(KioskSessionPluginHandlerTest, PluginHungStatusChanged) {
TestingProfile profile;
std::unique_ptr<WebContents> contents =
WebContents::Create(WebContents::CreateParams(&profile));
handler()->Observe(contents.get());
KioskSessionPluginHandler::Observer* observer =
handler()->GetWatchersForTesting().front();
WebContentsObserver* watcher = observer;
// At the beginning, there is no hung plugin.
EXPECT_EQ(observer->GetHungPluginsForTesting().size(), 0U);
// The hung plugin is not stored if the `plugin_path` is invalid.
watcher->PluginHungStatusChanged(kPluginChildId,
base::FilePath(kInvalidPluginPath), true);
EXPECT_EQ(observer->GetHungPluginsForTesting().size(), 0U);
// The hung plugin is not stored if the `is_hung` is false.
watcher->PluginHungStatusChanged(kPluginChildId,
base::FilePath(kValidPluginPath), false);
EXPECT_EQ(observer->GetHungPluginsForTesting().size(), 0U);
// The hung plugin is store.
watcher->PluginHungStatusChanged(kPluginChildId,
base::FilePath(kValidPluginPath), true);
EXPECT_EQ(observer->GetHungPluginsForTesting().size(), 1U);
}
} // namespace chromeos
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