Move StoragePartitionHttpCacheDataRemover to content/

chrome/browser/browsing_data/conditional_cache_deletion_helper_browsertest.cc

-// Copyright (c) 2015 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 <algorithm>
-#include <memory>
-#include <set>
-#include <string>
-#include <vector>
-
-#include "base/memory/ptr_util.h"
-#include "base/strings/string_number_conversions.h"
-#include "base/synchronization/waitable_event.h"
-#include "base/threading/platform_thread.h"
-#include "chrome/browser/browsing_data/cache_test_util.h"
-#include "chrome/browser/profiles/profile.h"
-#include "chrome/browser/ui/browser.h"
-#include "chrome/test/base/in_process_browser_test.h"
-#include "components/browsing_data/content/conditional_cache_deletion_helper.h"
-#include "content/public/browser/browser_context.h"
-#include "content/public/browser/browser_thread.h"
-#include "content/public/browser/storage_partition.h"
-#include "net/disk_cache/disk_cache.h"
-#include "net/http/http_cache.h"
-#include "net/url_request/url_request_context.h"
-#include "net/url_request/url_request_context_getter.h"
-
-using browsing_data::ConditionalCacheDeletionHelper;
-using content::BrowserThread;
-
-namespace {
-
-bool KeyIsEven(const disk_cache::Entry* entry) {
-  int key_as_int = 0;
-  base::StringToInt(entry->GetKey().c_str(), &key_as_int);
-  return (key_as_int % 2) == 0;
-}
-
-bool HasHttpsExampleOrigin(const GURL& url) {
-  return url.GetOrigin() == "https://example.com/";
-}
-
-}  // namespace
-
-class ConditionalCacheDeletionHelperBrowserTest : public InProcessBrowserTest {
- public:
-  void SetUpOnMainThread() override {
-    cache_util_ = base::MakeUnique<CacheTestUtil>(
-        content::BrowserContext::GetDefaultStoragePartition(
-            browser()->profile()));
-    done_callback_ =
-        base::Bind(&ConditionalCacheDeletionHelperBrowserTest::DoneCallback,
-                   base::Unretained(this));
-    // UI and IO thread synchronization.
-    waitable_event_ = base::MakeUnique<base::WaitableEvent>(
-        base::WaitableEvent::ResetPolicy::AUTOMATIC,
-        base::WaitableEvent::InitialState::NOT_SIGNALED);
-  }
-
-  void TearDownOnMainThread() override { cache_util_.reset(); }
-
-  void DeleteEntries(
-      const base::Callback<bool(const disk_cache::Entry*)>& condition) {
-    DCHECK_CURRENTLY_ON(BrowserThread::IO);
-    auto* helper =
-        new ConditionalCacheDeletionHelper(cache_util_->backend(), condition);
-
-    helper->DeleteAndDestroySelfWhenFinished(done_callback_);
-  }
-
-  void CompareRemainingKeys(std::set<std::string> expected_set) {
-    std::vector<std::string> remaining_keys = cache_util_->GetEntryKeys();
-    std::sort(remaining_keys.begin(), remaining_keys.end());
-    std::vector<std::string> expected;
-    expected.assign(expected_set.begin(), expected_set.end());
-    EXPECT_EQ(expected, remaining_keys);
-  }
-
-  void DoneCallback(int value) {
-    DCHECK_GE(value, 0);  // Negative values represent an error.
-    DCHECK_CURRENTLY_ON(BrowserThread::IO);
-    waitable_event_->Signal();
-  }
-
-  void WaitForTasksOnIOThread() {
-    DCHECK_CURRENTLY_ON(BrowserThread::UI);
-    waitable_event_->Wait();
-  }
-
-  CacheTestUtil* GetCacheTestUtil() { return cache_util_.get(); }
-
- private:
-  base::Callback<void(int)> done_callback_;
-  std::unique_ptr<CacheTestUtil> cache_util_;
-  std::unique_ptr<base::WaitableEvent> waitable_event_;
-};
-
-// Tests that ConditionalCacheDeletionHelper only deletes those cache entries
-// that match the condition.
-IN_PROC_BROWSER_TEST_F(ConditionalCacheDeletionHelperBrowserTest, Condition) {
-  // Create 5 entries.
-  std::set<std::string> keys = {"123", "47", "56", "81", "42"};
-
-  GetCacheTestUtil()->CreateCacheEntries(keys);
-
-  // Delete the entries whose keys are even numbers.
-  BrowserThread::PostTask(
-      BrowserThread::IO, FROM_HERE,
-      base::Bind(&ConditionalCacheDeletionHelperBrowserTest::DeleteEntries,
-                 base::Unretained(this),
-                 base::Bind(&KeyIsEven)));
-  WaitForTasksOnIOThread();
-
-  // Expect that the keys with values 56 and 42 were deleted.
-  keys.erase("56");
-  keys.erase("42");
-  CompareRemainingKeys(keys);
-}
-
-// Tests that ConditionalCacheDeletionHelper correctly constructs a condition
-// for time and URL.
-//
-// Note: This test depends on the timing in cache backends and can be flaky
-// if those backends are slow. If this turns out to be a problem, consider
-// increasing the |timeout_ms| constant.
-//
-// Flakily timing out on Mac 10.11 (crbug.com/646119) and flakily
-// failing on Linux/ChromeOS (crbug.com/624836).
-#if defined(OS_MACOSX) || defined(OS_LINUX) || defined(OS_CHROMEOS)
-#define MAYBE_TimeAndURL DISABLED_TimeAndURL
-#else
-#define MAYBE_TimeAndURL TimeAndURL
-#endif
-IN_PROC_BROWSER_TEST_F(ConditionalCacheDeletionHelperBrowserTest,
-                       MAYBE_TimeAndURL) {
-  const int64_t timeout_ms = 1;
-
-  // Create some entries.
-  std::set<std::string> keys;
-  keys.insert("https://google.com/index.html");
-  keys.insert("https://example.com/foo/bar/icon.png");
-  keys.insert("http://chrome.com");
-
-  GetCacheTestUtil()->CreateCacheEntries(keys);
-
-  // Wait |timeout_ms| milliseconds for the cache to write the entries.
-  // This assures that future entries will have timestamps strictly greater than
-  // the ones we just added.
-  base::PlatformThread::Sleep(base::TimeDelta::FromMilliseconds(timeout_ms));
-  base::Time now = base::Time::Now();
-
-  // Create a few more entries with a later timestamp.
-  std::set<std::string> newer_keys;
-  newer_keys.insert("https://google.com/");
-  newer_keys.insert("https://example.com/foo/bar/icon2.png");
-  newer_keys.insert("https://example.com/foo/bar/icon3.png");
-  newer_keys.insert("http://example.com/foo/bar/icon4.png");
-
-  GetCacheTestUtil()->CreateCacheEntries(newer_keys);
-
-  // Create a condition for entries with the "https://example.com" origin
-  // created after waiting.
-  base::Callback<bool(const disk_cache::Entry*)> condition =
-      ConditionalCacheDeletionHelper::CreateURLAndTimeCondition(
-          base::Bind(&HasHttpsExampleOrigin), now, base::Time::Max());
-
-  // Delete the entries.
-  BrowserThread::PostTask(
-      BrowserThread::IO, FROM_HERE,
-      base::Bind(&ConditionalCacheDeletionHelperBrowserTest::DeleteEntries,
-                 base::Unretained(this),
-                 base::ConstRef(condition)));
-  WaitForTasksOnIOThread();
-
-  // Expect that only "icon2.png" and "icon3.png" were deleted.
-  keys.insert(newer_keys.begin(), newer_keys.end());
-  keys.erase("https://example.com/foo/bar/icon2.png");
-  keys.erase("https://example.com/foo/bar/icon3.png");
-  CompareRemainingKeys(keys);
-}