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// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "testing/gtest/include/gtest/gtest.h"
#include "base/bind.h"
#include "base/file_util.h"
#include "base/memory/scoped_ptr.h"
#include "base/message_loop.h"
#include "base/scoped_temp_dir.h"
#include "chrome/browser/extensions/extension_settings_backend.h"
#include "chrome/browser/extensions/extension_settings_frontend.h"
#include "chrome/browser/extensions/extension_settings_storage.h"
#include "chrome/common/chrome_notification_types.h"
#include "chrome/test/base/testing_profile.h"
class ExtensionSettingsFrontendTest : public testing::Test {
public:
ExtensionSettingsFrontendTest()
: ui_thread_(BrowserThread::UI, MessageLoop::current()),
file_thread_(BrowserThread::FILE, MessageLoop::current()) {}
virtual void SetUp() OVERRIDE {
ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
profile_.reset(new TestingProfile(temp_dir_.path()));
frontend_.reset(new ExtensionSettingsFrontend(profile_.get()));
}
virtual void TearDown() OVERRIDE {
frontend_.reset();
profile_.reset();
}
protected:
// Puts the settings backend in |backend|.
void GetBackend(ExtensionSettingsBackend** backend) {
frontend_->RunWithBackend(
base::Bind(
&ExtensionSettingsFrontendTest::AssignBackend,
base::Unretained(this),
backend));
MessageLoop::current()->RunAllPending();
ASSERT_TRUE(*backend);
}
ScopedTempDir temp_dir_;
scoped_ptr<TestingProfile> profile_;
scoped_ptr<ExtensionSettingsFrontend> frontend_;
private:
// Intended as a ExtensionSettingsFrontend::BackendCallback from GetBackend.
void AssignBackend(
ExtensionSettingsBackend** dst, ExtensionSettingsBackend* src) {
*dst = src;
}
MessageLoop message_loop_;
BrowserThread ui_thread_;
BrowserThread file_thread_;
};
TEST_F(ExtensionSettingsFrontendTest, SettingsPreservedAcrossReconstruction) {
ExtensionSettingsBackend* backend;
GetBackend(&backend);
const std::string id = "ext";
ExtensionSettingsStorage* storage = backend->GetStorage(id);
// The correctness of Get/Set/Remove/Clear is tested elsewhere so no need to
// be too rigorous.
StringValue bar("bar");
ExtensionSettingsStorage::Result result = storage->Set("foo", bar);
ASSERT_FALSE(result.HasError());
result = storage->Get();
ASSERT_FALSE(result.HasError());
EXPECT_FALSE(result.GetSettings()->empty());
frontend_.reset(new ExtensionSettingsFrontend(profile_.get()));
GetBackend(&backend);
storage = backend->GetStorage(id);
result = storage->Get();
ASSERT_FALSE(result.HasError());
EXPECT_FALSE(result.GetSettings()->empty());
}
TEST_F(ExtensionSettingsFrontendTest, SettingsClearedOnUninstall) {
ExtensionSettingsBackend* backend;
GetBackend(&backend);
const std::string id = "ext";
ExtensionSettingsStorage* storage = backend->GetStorage(id);
StringValue bar("bar");
ExtensionSettingsStorage::Result result = storage->Set("foo", bar);
ASSERT_FALSE(result.HasError());
// This would be triggered by extension uninstall via an ExtensionDataDeleter.
backend->DeleteExtensionData(id);
// The storage area may no longer be valid post-uninstall, so re-request.
storage = backend->GetStorage(id);
result = storage->Get();
ASSERT_FALSE(result.HasError());
EXPECT_TRUE(result.GetSettings()->empty());
}
TEST_F(ExtensionSettingsFrontendTest, LeveldbDatabaseDeletedFromDiskOnClear) {
ExtensionSettingsBackend* backend;
GetBackend(&backend);
const std::string id = "ext";
ExtensionSettingsStorage* storage = backend->GetStorage(id);
StringValue bar("bar");
ExtensionSettingsStorage::Result result = storage->Set("foo", bar);
ASSERT_FALSE(result.HasError());
EXPECT_TRUE(file_util::PathExists(temp_dir_.path()));
// Should need to both clear the database and delete the frontend for the
// leveldb database to be deleted from disk.
result = storage->Clear();
ASSERT_FALSE(result.HasError());
EXPECT_TRUE(file_util::PathExists(temp_dir_.path()));
frontend_.reset();
MessageLoop::current()->RunAllPending();
// TODO(kalman): Figure out why this fails, despite appearing to work.
// Leaving this commented out rather than disabling the whole test so that the
// deletion code paths are at least exercised.
//EXPECT_FALSE(file_util::PathExists(temp_dir_.path()));
}
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