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// Copyright (c) 2009 The Chromium Authos. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/file_path.h"
#include "base/file_util.h"
#include "base/scoped_ptr.h"
#include "base/scoped_temp_dir.h"
#include "base/string_util.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "webkit/database/database_tracker.h"
namespace {
class TestObserver : public webkit_database::DatabaseTracker::Observer {
public:
TestObserver() : new_notification_received_(false) {}
virtual ~TestObserver() {}
virtual void OnDatabaseSizeChanged(const string16& origin_identifier,
const string16& database_name,
int64 database_size,
int64 space_available) {
new_notification_received_ = true;
origin_identifier_ = origin_identifier;
database_name_ = database_name;
database_size_ = database_size;
space_available_ = space_available;
}
bool DidReceiveNewNotification() {
bool temp_new_notification_received = new_notification_received_;
new_notification_received_ = false;
return temp_new_notification_received;
}
string16 GetNotificationOriginIdentifier() { return origin_identifier_; }
string16 GetNotificationDatabaseName() { return database_name_; }
int64 GetNotificationDatabaseSize() { return database_size_; }
int64 GetNotificationSpaceAvailable() { return space_available_; }
private:
bool new_notification_received_;
string16 origin_identifier_;
string16 database_name_;
int64 database_size_;
int64 space_available_;
};
void CheckNotificationReceived(TestObserver* observer,
const string16& expected_origin_identifier,
const string16& expected_database_name,
int64 expected_database_size,
int64 expected_space_available) {
EXPECT_TRUE(observer->DidReceiveNewNotification());
EXPECT_EQ(expected_origin_identifier,
observer->GetNotificationOriginIdentifier());
EXPECT_EQ(expected_database_name,
observer->GetNotificationDatabaseName());
EXPECT_EQ(expected_database_size,
observer->GetNotificationDatabaseSize());
EXPECT_EQ(expected_space_available,
observer->GetNotificationSpaceAvailable());
}
} // namespace
namespace webkit_database {
TEST(DatabaseTrackerTest, TestIt) {
// Initialize the tracker database.
ScopedTempDir temp_dir;
EXPECT_TRUE(temp_dir.CreateUniqueTempDir());
scoped_refptr<DatabaseTracker> tracker(new DatabaseTracker(temp_dir.path()));
// Get the default quota for all origins.
const int64 kDefaultQuota = tracker->GetOriginQuota(EmptyString16());
// Add two observers.
TestObserver observer1;
TestObserver observer2;
tracker->AddObserver(&observer1);
tracker->AddObserver(&observer2);
// Open three new databases.
int64 database_size = 0;
int64 space_available = 0;
const string16 kOrigin1 = ASCIIToUTF16("kOrigin1");
const string16 kOrigin2 = ASCIIToUTF16("kOrigin2");
const string16 kDB1 = ASCIIToUTF16("kDB1");
const string16 kDB2 = ASCIIToUTF16("kDB2");
const string16 kDB3 = ASCIIToUTF16("kDB3");
const string16 kDescription = ASCIIToUTF16("database_kDescription");
tracker->DatabaseOpened(kOrigin1, kDB1, kDescription, 0,
&database_size, &space_available);
EXPECT_EQ(0, database_size);
EXPECT_EQ(kDefaultQuota, space_available);
tracker->DatabaseOpened(kOrigin2, kDB2, kDescription, 0,
&database_size, &space_available);
EXPECT_EQ(0, database_size);
EXPECT_EQ(kDefaultQuota, space_available);
tracker->DatabaseOpened(kOrigin1, kDB3, kDescription, 0,
&database_size, &space_available);
EXPECT_EQ(0, database_size);
EXPECT_EQ(kDefaultQuota, space_available);
// Tell the tracker that a database has changed.
// Even though nothing has changed, the observers should be notified.
tracker->DatabaseModified(kOrigin1, kDB1);
CheckNotificationReceived(&observer1, kOrigin1, kDB1, 0, kDefaultQuota);
CheckNotificationReceived(&observer2, kOrigin1, kDB1, 0, kDefaultQuota);
// Write some data to each file and check that the listeners are
// called with the appropriate values.
EXPECT_EQ(1, file_util::WriteFile(
tracker->GetFullDBFilePath(kOrigin1, kDB1), "a", 1));
EXPECT_EQ(2, file_util::WriteFile(
tracker->GetFullDBFilePath(kOrigin2, kDB2), "aa", 2));
EXPECT_EQ(4, file_util::WriteFile(
tracker->GetFullDBFilePath(kOrigin1, kDB3), "aaaa", 4));
tracker->DatabaseModified(kOrigin1, kDB1);
CheckNotificationReceived(&observer1, kOrigin1, kDB1, 1, kDefaultQuota - 1);
CheckNotificationReceived(&observer2, kOrigin1, kDB1, 1, kDefaultQuota - 1);
tracker->DatabaseModified(kOrigin2, kDB2);
CheckNotificationReceived(&observer1, kOrigin2, kDB2, 2, kDefaultQuota - 2);
CheckNotificationReceived(&observer2, kOrigin2, kDB2, 2, kDefaultQuota - 2);
tracker->DatabaseModified(kOrigin1, kDB3);
CheckNotificationReceived(&observer1, kOrigin1, kDB3, 4, kDefaultQuota - 5);
CheckNotificationReceived(&observer2, kOrigin1, kDB3, 4, kDefaultQuota - 5);
// Open an existing database and check the reported size
tracker->DatabaseOpened(kOrigin1, kDB1, kDescription, 0,
&database_size, &space_available);
EXPECT_EQ(1, database_size);
EXPECT_EQ(kDefaultQuota - 5, space_available);
// Make sure that the observers are notified even if
// the size of the database hasn't changed.
EXPECT_EQ(1, file_util::WriteFile(
tracker->GetFullDBFilePath(kOrigin1, kDB1), "b", 1));
tracker->DatabaseModified(kOrigin1, kDB1);
CheckNotificationReceived(&observer1, kOrigin1, kDB1, 1, kDefaultQuota - 5);
CheckNotificationReceived(&observer2, kOrigin1, kDB1, 1, kDefaultQuota - 5);
// Remove an observer; this should clear all caches.
tracker->RemoveObserver(&observer2);
// Change kDB1's and kDB3's size and call tracker->DatabaseModified()
// for kDB1 only. If the caches were indeed cleared, then calling
// tracker->DatabaseModified() should re-populate the cache for
// kOrigin1 == kOrigin1, and thus, should pick up kDB3's size change too.
EXPECT_EQ(5, file_util::WriteFile(
tracker->GetFullDBFilePath(kOrigin1, kDB1), "ccccc", 5));
EXPECT_EQ(6, file_util::WriteFile(
tracker->GetFullDBFilePath(kOrigin1, kDB3), "dddddd", 6));
tracker->DatabaseModified(kOrigin1, kDB1);
CheckNotificationReceived(&observer1, kOrigin1, kDB1, 5, kDefaultQuota - 11);
EXPECT_FALSE(observer2.DidReceiveNewNotification());
// Close the tracker database and clear all caches.
// Then make sure that DatabaseOpened() still returns the correct result.
tracker->CloseTrackerDatabaseAndClearCaches();
tracker->DatabaseOpened(kOrigin1, kDB1, kDescription, 0,
&database_size, &space_available);
EXPECT_EQ(5, database_size);
EXPECT_EQ(kDefaultQuota - 11, space_available);
// Close the tracker database and clear all caches. Then make sure that
// DatabaseModified() still calls the observers with correct values.
tracker->CloseTrackerDatabaseAndClearCaches();
tracker->DatabaseModified(kOrigin1, kDB3);
CheckNotificationReceived(&observer1, kOrigin1, kDB3, 6, kDefaultQuota - 11);
// Clean up.
tracker->RemoveObserver(&observer1);
}
} // namespace webkit_database
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