Remove //net (except for Android test stuff) and sdch

net/http/mock_http_cache.h

-// 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.
-
-// This is a mock of the http cache and related testing classes. To be fair, it
-// is not really a mock http cache given that it uses the real implementation of
-// the http cache, but it has fake implementations of all required components,
-// so it is useful for unit tests at the http layer.
-
-#ifndef NET_HTTP_MOCK_HTTP_CACHE_H_
-#define NET_HTTP_MOCK_HTTP_CACHE_H_
-
-#include "base/containers/hash_tables.h"
-#include "net/disk_cache/disk_cache.h"
-#include "net/http/http_cache.h"
-#include "net/http/http_transaction_test_util.h"
-
-//-----------------------------------------------------------------------------
-// Mock disk cache (a very basic memory cache implementation).
-
-class MockDiskEntry : public disk_cache::Entry,
-                      public base::RefCounted<MockDiskEntry> {
- public:
-  explicit MockDiskEntry(const std::string& key);
-
-  bool is_doomed() const { return doomed_; }
-
-  void Doom() override;
-  void Close() override;
-  std::string GetKey() const override;
-  base::Time GetLastUsed() const override;
-  base::Time GetLastModified() const override;
-  int32 GetDataSize(int index) const override;
-  int ReadData(int index,
-               int offset,
-               net::IOBuffer* buf,
-               int buf_len,
-               const net::CompletionCallback& callback) override;
-  int WriteData(int index,
-                int offset,
-                net::IOBuffer* buf,
-                int buf_len,
-                const net::CompletionCallback& callback,
-                bool truncate) override;
-  int ReadSparseData(int64 offset,
-                     net::IOBuffer* buf,
-                     int buf_len,
-                     const net::CompletionCallback& callback) override;
-  int WriteSparseData(int64 offset,
-                      net::IOBuffer* buf,
-                      int buf_len,
-                      const net::CompletionCallback& callback) override;
-  int GetAvailableRange(int64 offset,
-                        int len,
-                        int64* start,
-                        const net::CompletionCallback& callback) override;
-  bool CouldBeSparse() const override;
-  void CancelSparseIO() override;
-  int ReadyForSparseIO(
-      const net::CompletionCallback& completion_callback) override;
-
-  // Fail most subsequent requests.
-  void set_fail_requests() { fail_requests_ = true; }
-
-  void set_fail_sparse_requests() { fail_sparse_requests_ = true; }
-
-  // If |value| is true, don't deliver any completion callbacks until called
-  // again with |value| set to false.  Caution: remember to enable callbacks
-  // again or all subsequent tests will fail.
-  static void IgnoreCallbacks(bool value);
-
- private:
-  friend class base::RefCounted<MockDiskEntry>;
-  struct CallbackInfo;
-
-  ~MockDiskEntry() override;
-
-  // Unlike the callbacks for MockHttpTransaction, we want this one to run even
-  // if the consumer called Close on the MockDiskEntry.  We achieve that by
-  // leveraging the fact that this class is reference counted.
-  void CallbackLater(const net::CompletionCallback& callback, int result);
-
-  void RunCallback(const net::CompletionCallback& callback, int result);
-
-  // When |store| is true, stores the callback to be delivered later; otherwise
-  // delivers any callback previously stored.
-  static void StoreAndDeliverCallbacks(bool store, MockDiskEntry* entry,
-                                       const net::CompletionCallback& callback,
-                                       int result);
-
-  static const int kNumCacheEntryDataIndices = 3;
-
-  std::string key_;
-  std::vector<char> data_[kNumCacheEntryDataIndices];
-  int test_mode_;
-  bool doomed_;
-  bool sparse_;
-  bool fail_requests_;
-  bool fail_sparse_requests_;
-  bool busy_;
-  bool delayed_;
-  static bool cancel_;
-  static bool ignore_callbacks_;
-};
-
-class MockDiskCache : public disk_cache::Backend {
- public:
-  MockDiskCache();
-  ~MockDiskCache() override;
-
-  net::CacheType GetCacheType() const override;
-  int32 GetEntryCount() const override;
-  int OpenEntry(const std::string& key,
-                disk_cache::Entry** entry,
-                const net::CompletionCallback& callback) override;
-  int CreateEntry(const std::string& key,
-                  disk_cache::Entry** entry,
-                  const net::CompletionCallback& callback) override;
-  int DoomEntry(const std::string& key,
-                const net::CompletionCallback& callback) override;
-  int DoomAllEntries(const net::CompletionCallback& callback) override;
-  int DoomEntriesBetween(base::Time initial_time,
-                         base::Time end_time,
-                         const net::CompletionCallback& callback) override;
-  int DoomEntriesSince(base::Time initial_time,
-                       const net::CompletionCallback& callback) override;
-  scoped_ptr<Iterator> CreateIterator() override;
-  void GetStats(
-      std::vector<std::pair<std::string, std::string>>* stats) override;
-  void OnExternalCacheHit(const std::string& key) override;
-
-  // Returns number of times a cache entry was successfully opened.
-  int open_count() const { return open_count_; }
-
-  // Returns number of times a cache entry was successfully created.
-  int create_count() const { return create_count_; }
-
-  // Fail any subsequent CreateEntry and OpenEntry.
-  void set_fail_requests() { fail_requests_ = true; }
-
-  // Return entries that fail some of their requests.
-  void set_soft_failures(bool value) { soft_failures_ = value; }
-
-  // Makes sure that CreateEntry is not called twice for a given key.
-  void set_double_create_check(bool value) { double_create_check_ = value; }
-
-  // Makes all requests for data ranges to fail as not implemented.
-  void set_fail_sparse_requests() { fail_sparse_requests_ = true; }
-
-  void ReleaseAll();
-
- private:
-  typedef base::hash_map<std::string, MockDiskEntry*> EntryMap;
-  class NotImplementedIterator;
-
-  void CallbackLater(const net::CompletionCallback& callback, int result);
-
-  EntryMap entries_;
-  int open_count_;
-  int create_count_;
-  bool fail_requests_;
-  bool soft_failures_;
-  bool double_create_check_;
-  bool fail_sparse_requests_;
-};
-
-class MockBackendFactory : public net::HttpCache::BackendFactory {
- public:
-  int CreateBackend(net::NetLog* net_log,
-                    scoped_ptr<disk_cache::Backend>* backend,
-                    const net::CompletionCallback& callback) override;
-};
-
-class MockHttpCache {
- public:
-  MockHttpCache();
-  explicit MockHttpCache(net::HttpCache::BackendFactory* disk_cache_factory);
-
-  net::HttpCache* http_cache() { return &http_cache_; }
-
-  MockNetworkLayer* network_layer() {
-    return static_cast<MockNetworkLayer*>(http_cache_.network_layer());
-  }
-  MockDiskCache* disk_cache();
-
-  // Wrapper around http_cache()->CreateTransaction(net::DEFAULT_PRIORITY...)
-  int CreateTransaction(scoped_ptr<net::HttpTransaction>* trans);
-
-  // Wrapper to bypass the cache lock for new transactions.
-  void BypassCacheLock();
-
-  // Wrapper to fail request conditionalization for new transactions.
-  void FailConditionalizations();
-
-  // Helper function for reading response info from the disk cache.
-  static bool ReadResponseInfo(disk_cache::Entry* disk_entry,
-                               net::HttpResponseInfo* response_info,
-                               bool* response_truncated);
-
-  // Helper function for writing response info into the disk cache.
-  static bool WriteResponseInfo(disk_cache::Entry* disk_entry,
-                                const net::HttpResponseInfo* response_info,
-                                bool skip_transient_headers,
-                                bool response_truncated);
-
-  // Helper function to synchronously open a backend entry.
-  bool OpenBackendEntry(const std::string& key, disk_cache::Entry** entry);
-
-  // Helper function to synchronously create a backend entry.
-  bool CreateBackendEntry(const std::string& key, disk_cache::Entry** entry,
-                          net::NetLog* net_log);
-
-  // Returns the test mode after considering the global override.
-  static int GetTestMode(int test_mode);
-
-  // Overrides the test mode for a given operation. Remember to reset it after
-  // the test! (by setting test_mode to zero).
-  static void SetTestMode(int test_mode);
-
- private:
-  net::HttpCache http_cache_;
-};
-
-// This version of the disk cache doesn't invoke CreateEntry callbacks.
-class MockDiskCacheNoCB : public MockDiskCache {
-  int CreateEntry(const std::string& key,
-                  disk_cache::Entry** entry,
-                  const net::CompletionCallback& callback) override;
-};
-
-class MockBackendNoCbFactory : public net::HttpCache::BackendFactory {
- public:
-  int CreateBackend(net::NetLog* net_log,
-                    scoped_ptr<disk_cache::Backend>* backend,
-                    const net::CompletionCallback& callback) override;
-};
-
-// This backend factory allows us to control the backend instantiation.
-class MockBlockingBackendFactory : public net::HttpCache::BackendFactory {
- public:
-  MockBlockingBackendFactory();
-  ~MockBlockingBackendFactory() override;
-
-  int CreateBackend(net::NetLog* net_log,
-                    scoped_ptr<disk_cache::Backend>* backend,
-                    const net::CompletionCallback& callback) override;
-
-  // Completes the backend creation. Any blocked call will be notified via the
-  // provided callback.
-  void FinishCreation();
-
-  scoped_ptr<disk_cache::Backend>* backend() { return backend_; }
-  void set_fail(bool fail) { fail_ = fail; }
-
-  const net::CompletionCallback& callback() { return callback_; }
-
- private:
-  int Result() { return fail_ ? net::ERR_FAILED : net::OK; }
-
-  scoped_ptr<disk_cache::Backend>* backend_;
-  net::CompletionCallback callback_;
-  bool block_;
-  bool fail_;
-};
-
-#endif  // NET_HTTP_MOCK_HTTP_CACHE_H_