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// Copyright (c) 2012 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 "base/bind.h"
#include "base/file_util.h"
#include "base/files/scoped_temp_dir.h"
#include "base/message_loop.h"
#include "base/message_loop_proxy.h"
#include "base/strings/utf_string_conversions.h"
#include "base/threading/sequenced_worker_pool.h"
#include "base/time.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "webkit/browser/dom_storage/dom_storage_area.h"
#include "webkit/browser/dom_storage/dom_storage_context.h"
#include "webkit/browser/dom_storage/dom_storage_namespace.h"
#include "webkit/browser/dom_storage/dom_storage_task_runner.h"
#include "webkit/browser/quota/mock_special_storage_policy.h"
#include "webkit/common/dom_storage/dom_storage_types.h"
namespace dom_storage {
class DomStorageContextTest : public testing::Test {
public:
DomStorageContextTest()
: kOrigin(GURL("http://dom_storage/")),
kKey(ASCIIToUTF16("key")),
kValue(ASCIIToUTF16("value")),
kDontIncludeFileInfo(false),
kDoIncludeFileInfo(true) {
}
const GURL kOrigin;
const base::string16 kKey;
const base::string16 kValue;
const bool kDontIncludeFileInfo;
const bool kDoIncludeFileInfo;
virtual void SetUp() {
ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
storage_policy_ = new quota::MockSpecialStoragePolicy;
task_runner_ = new MockDomStorageTaskRunner(
base::MessageLoopProxy::current());
context_ = new DomStorageContext(temp_dir_.path(),
base::FilePath(),
storage_policy_.get(),
task_runner_.get());
}
virtual void TearDown() {
base::MessageLoop::current()->RunUntilIdle();
}
void VerifySingleOriginRemains(const GURL& origin) {
// Use a new instance to examine the contexts of temp_dir_.
scoped_refptr<DomStorageContext> context =
new DomStorageContext(temp_dir_.path(), base::FilePath(), NULL, NULL);
std::vector<LocalStorageUsageInfo> infos;
context->GetLocalStorageUsage(&infos, kDontIncludeFileInfo);
ASSERT_EQ(1u, infos.size());
EXPECT_EQ(origin, infos[0].origin);
}
protected:
base::MessageLoop message_loop_;
base::ScopedTempDir temp_dir_;
scoped_refptr<quota::MockSpecialStoragePolicy> storage_policy_;
scoped_refptr<MockDomStorageTaskRunner> task_runner_;
scoped_refptr<DomStorageContext> context_;
DISALLOW_COPY_AND_ASSIGN(DomStorageContextTest);
};
TEST_F(DomStorageContextTest, Basics) {
// This test doesn't do much, checks that the constructor
// initializes members properly and that invoking methods
// on a newly created object w/o any data on disk do no harm.
EXPECT_EQ(temp_dir_.path(), context_->localstorage_directory());
EXPECT_EQ(base::FilePath(), context_->sessionstorage_directory());
EXPECT_EQ(storage_policy_.get(), context_->special_storage_policy_.get());
context_->PurgeMemory();
context_->DeleteLocalStorage(GURL("http://chromium.org/"));
const int kFirstSessionStorageNamespaceId = 1;
EXPECT_TRUE(context_->GetStorageNamespace(kLocalStorageNamespaceId));
EXPECT_FALSE(context_->GetStorageNamespace(kFirstSessionStorageNamespaceId));
EXPECT_EQ(kFirstSessionStorageNamespaceId, context_->AllocateSessionId());
std::vector<LocalStorageUsageInfo> infos;
context_->GetLocalStorageUsage(&infos, kDontIncludeFileInfo);
EXPECT_TRUE(infos.empty());
context_->Shutdown();
}
TEST_F(DomStorageContextTest, UsageInfo) {
// Should be empty initially
std::vector<LocalStorageUsageInfo> infos;
context_->GetLocalStorageUsage(&infos, kDontIncludeFileInfo);
EXPECT_TRUE(infos.empty());
context_->GetLocalStorageUsage(&infos, kDoIncludeFileInfo);
EXPECT_TRUE(infos.empty());
// Put some data into local storage and shutdown the context
// to ensure data is written to disk.
NullableString16 old_value;
EXPECT_TRUE(context_->GetStorageNamespace(kLocalStorageNamespaceId)->
OpenStorageArea(kOrigin)->SetItem(kKey, kValue, &old_value));
context_->Shutdown();
context_ = NULL;
base::MessageLoop::current()->RunUntilIdle();
// Create a new context that points to the same directory, see that
// it knows about the origin that we stored data for.
context_ = new DomStorageContext(temp_dir_.path(), base::FilePath(), NULL, NULL);
context_->GetLocalStorageUsage(&infos, kDontIncludeFileInfo);
EXPECT_EQ(1u, infos.size());
EXPECT_EQ(kOrigin, infos[0].origin);
EXPECT_EQ(0u, infos[0].data_size);
EXPECT_EQ(base::Time(), infos[0].last_modified);
infos.clear();
context_->GetLocalStorageUsage(&infos, kDoIncludeFileInfo);
EXPECT_EQ(1u, infos.size());
EXPECT_EQ(kOrigin, infos[0].origin);
EXPECT_NE(0u, infos[0].data_size);
EXPECT_NE(base::Time(), infos[0].last_modified);
}
TEST_F(DomStorageContextTest, SessionOnly) {
const GURL kSessionOnlyOrigin("http://www.sessiononly.com/");
storage_policy_->AddSessionOnly(kSessionOnlyOrigin);
// Store data for a normal and a session-only origin and then
// invoke Shutdown() which should delete data for session-only
// origins.
NullableString16 old_value;
EXPECT_TRUE(context_->GetStorageNamespace(kLocalStorageNamespaceId)->
OpenStorageArea(kOrigin)->SetItem(kKey, kValue, &old_value));
EXPECT_TRUE(context_->GetStorageNamespace(kLocalStorageNamespaceId)->
OpenStorageArea(kSessionOnlyOrigin)->SetItem(kKey, kValue, &old_value));
context_->Shutdown();
context_ = NULL;
base::MessageLoop::current()->RunUntilIdle();
// Verify that the session-only origin data is gone.
VerifySingleOriginRemains(kOrigin);
}
TEST_F(DomStorageContextTest, SetForceKeepSessionState) {
const GURL kSessionOnlyOrigin("http://www.sessiononly.com/");
storage_policy_->AddSessionOnly(kSessionOnlyOrigin);
// Store data for a session-only origin, setup to save session data, then
// shutdown.
NullableString16 old_value;
EXPECT_TRUE(context_->GetStorageNamespace(kLocalStorageNamespaceId)->
OpenStorageArea(kSessionOnlyOrigin)->SetItem(kKey, kValue, &old_value));
context_->SetForceKeepSessionState(); // Should override clear behavior.
context_->Shutdown();
context_ = NULL;
base::MessageLoop::current()->RunUntilIdle();
VerifySingleOriginRemains(kSessionOnlyOrigin);
}
TEST_F(DomStorageContextTest, PersistentIds) {
const int kFirstSessionStorageNamespaceId = 1;
const std::string kPersistentId = "persistent";
context_->CreateSessionNamespace(kFirstSessionStorageNamespaceId,
kPersistentId);
DomStorageNamespace* dom_namespace =
context_->GetStorageNamespace(kFirstSessionStorageNamespaceId);
ASSERT_TRUE(dom_namespace);
EXPECT_EQ(kPersistentId, dom_namespace->persistent_namespace_id());
// Verify that the areas inherit the persistent ID.
DomStorageArea* area = dom_namespace->OpenStorageArea(kOrigin);
EXPECT_EQ(kPersistentId, area->persistent_namespace_id_);
// Verify that the persistent IDs are handled correctly when cloning.
const int kClonedSessionStorageNamespaceId = 2;
const std::string kClonedPersistentId = "cloned";
context_->CloneSessionNamespace(kFirstSessionStorageNamespaceId,
kClonedSessionStorageNamespaceId,
kClonedPersistentId);
DomStorageNamespace* cloned_dom_namespace =
context_->GetStorageNamespace(kClonedSessionStorageNamespaceId);
ASSERT_TRUE(dom_namespace);
EXPECT_EQ(kClonedPersistentId,
cloned_dom_namespace->persistent_namespace_id());
// Verify that the areas inherit the persistent ID.
DomStorageArea* cloned_area = cloned_dom_namespace->OpenStorageArea(kOrigin);
EXPECT_EQ(kClonedPersistentId, cloned_area->persistent_namespace_id_);
}
TEST_F(DomStorageContextTest, DeleteSessionStorage) {
// Create a DomStorageContext which will save sessionStorage on disk.
context_ = new DomStorageContext(temp_dir_.path(),
temp_dir_.path(),
storage_policy_.get(),
task_runner_.get());
context_->SetSaveSessionStorageOnDisk();
ASSERT_EQ(temp_dir_.path(), context_->sessionstorage_directory());
// Write data.
const int kSessionStorageNamespaceId = 1;
const std::string kPersistentId = "persistent";
context_->CreateSessionNamespace(kSessionStorageNamespaceId,
kPersistentId);
DomStorageNamespace* dom_namespace =
context_->GetStorageNamespace(kSessionStorageNamespaceId);
DomStorageArea* area = dom_namespace->OpenStorageArea(kOrigin);
const base::string16 kKey(ASCIIToUTF16("foo"));
const base::string16 kValue(ASCIIToUTF16("bar"));
NullableString16 old_nullable_value;
area->SetItem(kKey, kValue, &old_nullable_value);
dom_namespace->CloseStorageArea(area);
// Destroy and recreate the DomStorageContext.
context_->Shutdown();
context_ = NULL;
base::MessageLoop::current()->RunUntilIdle();
context_ = new DomStorageContext(
temp_dir_.path(), temp_dir_.path(),
storage_policy_.get(), task_runner_.get());
context_->SetSaveSessionStorageOnDisk();
// Read the data back.
context_->CreateSessionNamespace(kSessionStorageNamespaceId,
kPersistentId);
dom_namespace = context_->GetStorageNamespace(kSessionStorageNamespaceId);
area = dom_namespace->OpenStorageArea(kOrigin);
NullableString16 read_value;
read_value = area->GetItem(kKey);
EXPECT_EQ(kValue, read_value.string());
dom_namespace->CloseStorageArea(area);
SessionStorageUsageInfo info;
info.origin = kOrigin;
info.persistent_namespace_id = kPersistentId;
context_->DeleteSessionStorage(info);
// Destroy and recreate again.
context_->Shutdown();
context_ = NULL;
base::MessageLoop::current()->RunUntilIdle();
context_ = new DomStorageContext(
temp_dir_.path(), temp_dir_.path(),
storage_policy_.get(), task_runner_.get());
context_->SetSaveSessionStorageOnDisk();
// Now there should be no data.
context_->CreateSessionNamespace(kSessionStorageNamespaceId,
kPersistentId);
dom_namespace = context_->GetStorageNamespace(kSessionStorageNamespaceId);
area = dom_namespace->OpenStorageArea(kOrigin);
read_value = area->GetItem(kKey);
EXPECT_TRUE(read_value.is_null());
dom_namespace->CloseStorageArea(area);
context_->Shutdown();
context_ = NULL;
base::MessageLoop::current()->RunUntilIdle();
}
} // namespace dom_storage
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