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// Copyright (c) 2009 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.
#ifndef WEBKIT_APPCACHE_MOCK_APPCACHE_STORAGE_H_
#define WEBKIT_APPCACHE_MOCK_APPCACHE_STORAGE_H_
#include <deque>
#include <map>
#include "base/hash_tables.h"
#include "base/scoped_ptr.h"
#include "base/task.h"
#include "net/disk_cache/disk_cache.h"
#include "webkit/appcache/appcache.h"
#include "webkit/appcache/appcache_group.h"
#include "webkit/appcache/appcache_storage.h"
namespace appcache {
// For use in unit tests.
// Note: This class is also being used to bootstrap our development efforts.
// We can get layout tests up and running, and back fill with real storage
// somewhat in parallel.
class MockAppCacheStorage : public AppCacheStorage {
public:
explicit MockAppCacheStorage(AppCacheService* service);
virtual ~MockAppCacheStorage();
virtual void LoadCache(int64 id, Delegate* delegate);
virtual void LoadOrCreateGroup(const GURL& manifest_url, Delegate* delegate);
virtual void StoreGroupAndNewestCache(
AppCacheGroup* group, Delegate* delegate);
virtual void FindResponseForMainRequest(const GURL& url, Delegate* delegate);
virtual void MarkEntryAsForeign(const GURL& entry_url, int64 cache_id);
virtual void MakeGroupObsolete(AppCacheGroup* group, Delegate* delegate);
virtual AppCacheResponseReader* CreateResponseReader(
const GURL& manifest_url, int64 response_id);
virtual AppCacheResponseWriter* CreateResponseWriter(const GURL& origin);
virtual void DoomResponses(
const GURL& manifest_url, const std::vector<int64>& response_ids);
private:
friend class AppCacheUpdateJobTest;
typedef base::hash_map<int64, scoped_refptr<AppCache> > StoredCacheMap;
typedef std::map<GURL, scoped_refptr<AppCacheGroup> > StoredGroupMap;
typedef std::set<int64> DoomedResponseIds;
void ProcessLoadCache(
int64 id, scoped_refptr<DelegateReference> delegate_ref);
void ProcessLoadOrCreateGroup(
const GURL& manifest_url, scoped_refptr<DelegateReference> delegate_ref);
void ProcessStoreGroupAndNewestCache(
scoped_refptr<AppCacheGroup> group, scoped_refptr<AppCache> newest_cache,
scoped_refptr<DelegateReference> delegate_ref);
void ProcessMakeGroupObsolete(
scoped_refptr<AppCacheGroup> group,
scoped_refptr<DelegateReference> delegate_ref);
void ProcessFindResponseForMainRequest(
const GURL& url, scoped_refptr<DelegateReference> delegate_ref);
void ScheduleTask(Task* task);
void RunOnePendingTask();
void AddStoredCache(AppCache* cache);
void RemoveStoredCache(AppCache* cache);
void RemoveStoredCaches(const AppCacheGroup::Caches& caches);
bool IsCacheStored(const AppCache* cache) {
return stored_caches_.find(cache->cache_id()) != stored_caches_.end();
}
void AddStoredGroup(AppCacheGroup* group);
void RemoveStoredGroup(AppCacheGroup* group);
bool IsGroupStored(const AppCacheGroup* group) {
return stored_groups_.find(group->manifest_url()) != stored_groups_.end();
}
// These helpers determine when certain operations should complete
// asynchronously vs synchronously to faithfully mimic, or mock,
// the behavior of the real implemenation of the AppCacheStorage
// interface.
bool ShouldGroupLoadAppearAsync(const AppCacheGroup* group);
bool ShouldCacheLoadAppearAsync(const AppCache* cache);
// Lazily constructed in-memory disk cache.
disk_cache::Backend* disk_cache() {
if (!disk_cache_.get()) {
const int kMaxCacheSize = 10 * 1024 * 1024;
disk_cache_.reset(disk_cache::CreateInMemoryCacheBackend(kMaxCacheSize));
}
return disk_cache_.get();
}
// Simulate failures for testing.
void SimulateMakeGroupObsoleteFailure() {
simulate_make_group_obsolete_failure_ = true;
}
void SimulateStoreGroupAndNewestCacheFailure() {
simulate_store_group_and_newest_cache_failure_ = true;
}
StoredCacheMap stored_caches_;
StoredGroupMap stored_groups_;
DoomedResponseIds doomed_response_ids_;
scoped_ptr<disk_cache::Backend> disk_cache_;
std::deque<Task*> pending_tasks_;
ScopedRunnableMethodFactory<MockAppCacheStorage> method_factory_;
bool simulate_make_group_obsolete_failure_;
bool simulate_store_group_and_newest_cache_failure_;
FRIEND_TEST(MockAppCacheStorageTest, CreateGroup);
FRIEND_TEST(MockAppCacheStorageTest, LoadCache_FarHit);
FRIEND_TEST(MockAppCacheStorageTest, LoadGroupAndCache_FarHit);
FRIEND_TEST(MockAppCacheStorageTest, MakeGroupObsolete);
FRIEND_TEST(MockAppCacheStorageTest, StoreNewGroup);
FRIEND_TEST(MockAppCacheStorageTest, StoreExistingGroup);
DISALLOW_COPY_AND_ASSIGN(MockAppCacheStorage);
};
} // namespace appcache
#endif // WEBKIT_APPCACHE_MOCK_APPCACHE_STORAGE_H_
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