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// Copyright 2014 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 <set>
#include "base/test/test_simple_task_runner.h"
#include "content/browser/indexed_db/indexed_db_active_blob_registry.h"
#include "content/browser/indexed_db/indexed_db_backing_store.h"
#include "content/browser/indexed_db/indexed_db_fake_backing_store.h"
#include "content/browser/indexed_db/mock_indexed_db_factory.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace content {
namespace {
class RegistryTestMockFactory : public MockIndexedDBFactory {
public:
RegistryTestMockFactory() : duplicate_calls_(false) {}
void ReportOutstandingBlobs(const GURL& origin_url,
bool blobs_outstanding) override {
if (blobs_outstanding) {
if (origins_.count(origin_url)) {
duplicate_calls_ = true;
} else {
origins_.insert(origin_url);
}
} else {
if (!origins_.count(origin_url)) {
duplicate_calls_ = true;
} else {
origins_.erase(origin_url);
}
}
}
bool CheckNoOriginsInUse() const {
return !duplicate_calls_ && !origins_.size();
}
bool CheckSingleOriginInUse(const GURL& origin) const {
return !duplicate_calls_ && origins_.size() == 1 && origins_.count(origin);
}
private:
~RegistryTestMockFactory() override {}
std::set<GURL> origins_;
bool duplicate_calls_;
DISALLOW_COPY_AND_ASSIGN(RegistryTestMockFactory);
};
class MockIDBBackingStore : public IndexedDBFakeBackingStore {
public:
typedef std::pair<int64, int64> KeyPair;
typedef std::set<KeyPair> KeyPairSet;
MockIDBBackingStore(IndexedDBFactory* factory,
base::SequencedTaskRunner* task_runner)
: IndexedDBFakeBackingStore(factory, task_runner),
duplicate_calls_(false) {}
void ReportBlobUnused(int64 database_id, int64 blob_key) override {
unused_blobs_.insert(std::make_pair(database_id, blob_key));
}
bool CheckUnusedBlobsEmpty() const {
return !duplicate_calls_ && !unused_blobs_.size();
}
bool CheckSingleUnusedBlob(int64 database_id, int64 blob_key) const {
return !duplicate_calls_ && unused_blobs_.size() == 1 &&
unused_blobs_.count(std::make_pair(database_id, blob_key));
}
const KeyPairSet& unused_blobs() const { return unused_blobs_; }
protected:
~MockIDBBackingStore() override {}
private:
KeyPairSet unused_blobs_;
bool duplicate_calls_;
DISALLOW_COPY_AND_ASSIGN(MockIDBBackingStore);
};
// Base class for our test fixtures.
class IndexedDBActiveBlobRegistryTest : public testing::Test {
public:
typedef storage::ShareableFileReference::FinalReleaseCallback
ReleaseCallback;
static const int64 kDatabaseId0 = 7;
static const int64 kDatabaseId1 = 12;
static const int64 kBlobKey0 = 77;
static const int64 kBlobKey1 = 14;
IndexedDBActiveBlobRegistryTest()
: task_runner_(new base::TestSimpleTaskRunner),
factory_(new RegistryTestMockFactory),
backing_store_(
new MockIDBBackingStore(factory_.get(), task_runner_.get())),
registry_(new IndexedDBActiveBlobRegistry(backing_store_.get())) {}
void RunUntilIdle() { task_runner_->RunUntilIdle(); }
RegistryTestMockFactory* factory() const { return factory_.get(); }
MockIDBBackingStore* backing_store() const { return backing_store_.get(); }
IndexedDBActiveBlobRegistry* registry() const { return registry_.get(); }
private:
scoped_refptr<base::TestSimpleTaskRunner> task_runner_;
scoped_refptr<RegistryTestMockFactory> factory_;
scoped_refptr<MockIDBBackingStore> backing_store_;
scoped_ptr<IndexedDBActiveBlobRegistry> registry_;
DISALLOW_COPY_AND_ASSIGN(IndexedDBActiveBlobRegistryTest);
};
TEST_F(IndexedDBActiveBlobRegistryTest, DeleteUnused) {
EXPECT_TRUE(factory()->CheckNoOriginsInUse());
EXPECT_TRUE(backing_store()->CheckUnusedBlobsEmpty());
EXPECT_FALSE(registry()->MarkDeletedCheckIfUsed(kDatabaseId0, kBlobKey0));
RunUntilIdle();
EXPECT_TRUE(factory()->CheckNoOriginsInUse());
EXPECT_TRUE(backing_store()->CheckUnusedBlobsEmpty());
}
TEST_F(IndexedDBActiveBlobRegistryTest, SimpleUse) {
EXPECT_TRUE(factory()->CheckNoOriginsInUse());
EXPECT_TRUE(backing_store()->CheckUnusedBlobsEmpty());
base::Closure add_ref =
registry()->GetAddBlobRefCallback(kDatabaseId0, kBlobKey0);
ReleaseCallback release =
registry()->GetFinalReleaseCallback(kDatabaseId0, kBlobKey0);
add_ref.Run();
RunUntilIdle();
EXPECT_TRUE(factory()->CheckSingleOriginInUse(backing_store()->origin_url()));
EXPECT_TRUE(backing_store()->CheckUnusedBlobsEmpty());
release.Run(base::FilePath());
RunUntilIdle();
EXPECT_TRUE(factory()->CheckNoOriginsInUse());
EXPECT_TRUE(backing_store()->CheckUnusedBlobsEmpty());
}
TEST_F(IndexedDBActiveBlobRegistryTest, DeleteWhileInUse) {
EXPECT_TRUE(factory()->CheckNoOriginsInUse());
EXPECT_TRUE(backing_store()->CheckUnusedBlobsEmpty());
base::Closure add_ref =
registry()->GetAddBlobRefCallback(kDatabaseId0, kBlobKey0);
ReleaseCallback release =
registry()->GetFinalReleaseCallback(kDatabaseId0, kBlobKey0);
add_ref.Run();
RunUntilIdle();
EXPECT_TRUE(factory()->CheckSingleOriginInUse(backing_store()->origin_url()));
EXPECT_TRUE(backing_store()->CheckUnusedBlobsEmpty());
EXPECT_TRUE(registry()->MarkDeletedCheckIfUsed(kDatabaseId0, kBlobKey0));
RunUntilIdle();
EXPECT_TRUE(factory()->CheckSingleOriginInUse(backing_store()->origin_url()));
EXPECT_TRUE(backing_store()->CheckUnusedBlobsEmpty());
release.Run(base::FilePath());
RunUntilIdle();
EXPECT_TRUE(factory()->CheckNoOriginsInUse());
EXPECT_TRUE(backing_store()->CheckSingleUnusedBlob(kDatabaseId0, kBlobKey0));
}
TEST_F(IndexedDBActiveBlobRegistryTest, MultipleBlobs) {
EXPECT_TRUE(factory()->CheckNoOriginsInUse());
EXPECT_TRUE(backing_store()->CheckUnusedBlobsEmpty());
base::Closure add_ref_00 =
registry()->GetAddBlobRefCallback(kDatabaseId0, kBlobKey0);
ReleaseCallback release_00 =
registry()->GetFinalReleaseCallback(kDatabaseId0, kBlobKey0);
base::Closure add_ref_01 =
registry()->GetAddBlobRefCallback(kDatabaseId0, kBlobKey1);
ReleaseCallback release_01 =
registry()->GetFinalReleaseCallback(kDatabaseId0, kBlobKey1);
base::Closure add_ref_10 =
registry()->GetAddBlobRefCallback(kDatabaseId1, kBlobKey0);
ReleaseCallback release_10 =
registry()->GetFinalReleaseCallback(kDatabaseId1, kBlobKey0);
base::Closure add_ref_11 =
registry()->GetAddBlobRefCallback(kDatabaseId1, kBlobKey1);
ReleaseCallback release_11 =
registry()->GetFinalReleaseCallback(kDatabaseId1, kBlobKey1);
add_ref_00.Run();
add_ref_01.Run();
RunUntilIdle();
EXPECT_TRUE(factory()->CheckSingleOriginInUse(backing_store()->origin_url()));
EXPECT_TRUE(backing_store()->CheckUnusedBlobsEmpty());
release_00.Run(base::FilePath());
add_ref_10.Run();
add_ref_11.Run();
RunUntilIdle();
EXPECT_TRUE(factory()->CheckSingleOriginInUse(backing_store()->origin_url()));
EXPECT_TRUE(backing_store()->CheckUnusedBlobsEmpty());
EXPECT_TRUE(registry()->MarkDeletedCheckIfUsed(kDatabaseId0, kBlobKey1));
RunUntilIdle();
EXPECT_TRUE(factory()->CheckSingleOriginInUse(backing_store()->origin_url()));
EXPECT_TRUE(backing_store()->CheckUnusedBlobsEmpty());
release_01.Run(base::FilePath());
release_11.Run(base::FilePath());
RunUntilIdle();
EXPECT_TRUE(factory()->CheckSingleOriginInUse(backing_store()->origin_url()));
EXPECT_TRUE(backing_store()->CheckSingleUnusedBlob(kDatabaseId0, kBlobKey1));
release_10.Run(base::FilePath());
RunUntilIdle();
EXPECT_TRUE(factory()->CheckNoOriginsInUse());
EXPECT_TRUE(backing_store()->CheckSingleUnusedBlob(kDatabaseId0, kBlobKey1));
}
TEST_F(IndexedDBActiveBlobRegistryTest, ForceShutdown) {
EXPECT_TRUE(factory()->CheckNoOriginsInUse());
EXPECT_TRUE(backing_store()->CheckUnusedBlobsEmpty());
base::Closure add_ref_0 =
registry()->GetAddBlobRefCallback(kDatabaseId0, kBlobKey0);
ReleaseCallback release_0 =
registry()->GetFinalReleaseCallback(kDatabaseId0, kBlobKey0);
base::Closure add_ref_1 =
registry()->GetAddBlobRefCallback(kDatabaseId0, kBlobKey1);
ReleaseCallback release_1 =
registry()->GetFinalReleaseCallback(kDatabaseId0, kBlobKey1);
add_ref_0.Run();
RunUntilIdle();
EXPECT_TRUE(factory()->CheckSingleOriginInUse(backing_store()->origin_url()));
EXPECT_TRUE(backing_store()->CheckUnusedBlobsEmpty());
registry()->ForceShutdown();
add_ref_1.Run();
RunUntilIdle();
// Nothing changes.
EXPECT_TRUE(factory()->CheckSingleOriginInUse(backing_store()->origin_url()));
EXPECT_TRUE(backing_store()->CheckUnusedBlobsEmpty());
release_0.Run(base::FilePath());
release_1.Run(base::FilePath());
RunUntilIdle();
// Nothing changes.
EXPECT_TRUE(factory()->CheckSingleOriginInUse(backing_store()->origin_url()));
EXPECT_TRUE(backing_store()->CheckUnusedBlobsEmpty());
}
} // namespace
} // namespace content
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