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// 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.
#include "base/files/file_path.h"
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.h"
#include "base/message_loop.h"
#include "base/time.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "webkit/browser/blob/blob_data_handle.h"
#include "webkit/browser/blob/blob_storage_context.h"
#include "webkit/browser/blob/blob_storage_host.h"
namespace webkit_blob {
namespace {
void SetupBasicBlob(BlobStorageHost* host, const std::string& id) {
EXPECT_TRUE(host->StartBuildingBlob(id));
BlobData::Item item;
item.SetToBytes("1", 1);
EXPECT_TRUE(host->AppendBlobDataItem(id, item));
EXPECT_TRUE(host->FinishBuildingBlob(id, "text/plain"));
EXPECT_FALSE(host->StartBuildingBlob(id));
}
} // namespace
TEST(BlobStorageContextTest, IncrementDecrementRef) {
BlobStorageContext context;
BlobStorageHost host(&context);
MessageLoop fake_io_message_loop;
// Build up a basic blob.
const std::string kId("id");
SetupBasicBlob(&host, kId);
// Make sure it's there, finish building implies a ref of one.
scoped_ptr<BlobDataHandle> blob_data_handle;
blob_data_handle = context.GetBlobDataFromUUID(kId);
EXPECT_TRUE(blob_data_handle);
blob_data_handle.reset();
// Make sure its still there after inc/dec.
EXPECT_TRUE(host.IncrementBlobRefCount(kId));
EXPECT_TRUE(host.DecrementBlobRefCount(kId));
blob_data_handle = context.GetBlobDataFromUUID(kId);
EXPECT_TRUE(blob_data_handle);
blob_data_handle.reset();
// Make sure it goes away in the end.
EXPECT_TRUE(host.DecrementBlobRefCount(kId));
blob_data_handle = context.GetBlobDataFromUUID(kId);
EXPECT_FALSE(blob_data_handle);
EXPECT_FALSE(host.DecrementBlobRefCount(kId));
EXPECT_FALSE(host.IncrementBlobRefCount(kId));
}
TEST(BlobStorageContextTest, BlobDataHandle) {
BlobStorageContext context;
BlobStorageHost host(&context);
MessageLoop fake_io_message_loop;
// Build up a basic blob.
const std::string kId("id");
SetupBasicBlob(&host, kId);
// Get a handle to it.
scoped_ptr<BlobDataHandle> blob_data_handle =
context.GetBlobDataFromUUID(kId);
EXPECT_TRUE(blob_data_handle);
// Drop the host's ref to it.
EXPECT_TRUE(host.DecrementBlobRefCount(kId));
// Should still be there due to the handle.
scoped_ptr<BlobDataHandle> another_handle =
context.GetBlobDataFromUUID(kId);
EXPECT_TRUE(another_handle);
// Should disappear after dropping both handles.
blob_data_handle.reset();
another_handle.reset();
blob_data_handle = context.GetBlobDataFromUUID(kId);
EXPECT_FALSE(blob_data_handle);
}
TEST(BlobStorageContextTest, CompoundBlobs) {
const std::string kId1("id1");
const std::string kId2("id2");
const std::string kId2Prime("id2.prime");
MessageLoop fake_io_message_loop;
// Setup a set of blob data for testing.
base::Time time1, time2;
base::Time::FromString("Tue, 15 Nov 1994, 12:45:26 GMT", &time1);
base::Time::FromString("Mon, 14 Nov 1994, 11:30:49 GMT", &time2);
scoped_refptr<BlobData> blob_data1(new BlobData(kId1));
blob_data1->AppendData("Data1");
blob_data1->AppendData("Data2");
blob_data1->AppendFile(base::FilePath(FILE_PATH_LITERAL("File1.txt")),
10, 1024, time1);
scoped_refptr<BlobData> blob_data2(new BlobData(kId2));
blob_data2->AppendData("Data3");
blob_data2->AppendBlob(kId1, 8, 100);
blob_data2->AppendFile(base::FilePath(FILE_PATH_LITERAL("File2.txt")),
0, 20, time2);
scoped_refptr<BlobData> canonicalized_blob_data2(new BlobData(kId2Prime));
canonicalized_blob_data2->AppendData("Data3");
canonicalized_blob_data2->AppendData("a2___", 2);
canonicalized_blob_data2->AppendFile(
base::FilePath(FILE_PATH_LITERAL("File1.txt")),
10, 98, time1);
canonicalized_blob_data2->AppendFile(
base::FilePath(FILE_PATH_LITERAL("File2.txt")), 0, 20, time2);
BlobStorageContext context;
scoped_ptr<BlobDataHandle> blob_data_handle;
// Test a blob referring to only data and a file.
blob_data_handle = context.AddFinishedBlob(blob_data1);
ASSERT_TRUE(blob_data_handle.get());
EXPECT_TRUE(*(blob_data_handle->data()) == *blob_data1);
// Test a blob composed in part with another blob.
blob_data_handle = context.AddFinishedBlob(blob_data2);
ASSERT_TRUE(blob_data_handle.get());
EXPECT_TRUE(*(blob_data_handle->data()) == *canonicalized_blob_data2);
}
TEST(BlobStorageContextTest, PublicBlobUrls) {
BlobStorageContext context;
BlobStorageHost host(&context);
MessageLoop fake_io_message_loop;
// Build up a basic blob.
const std::string kId("id");
SetupBasicBlob(&host, kId);
// Now register a url for that blob.
GURL kUrl("blob:id");
EXPECT_TRUE(host.RegisterPublicBlobURL(kUrl, kId));
scoped_ptr<BlobDataHandle> blob_data_handle =
context.GetBlobDataFromPublicURL(kUrl);
ASSERT_TRUE(blob_data_handle.get());
EXPECT_EQ(kId, blob_data_handle->data()->uuid());
blob_data_handle.reset();
// The url registration should keep the blob alive even after
// explicit references are dropped.
EXPECT_TRUE(host.DecrementBlobRefCount(kId));
blob_data_handle = context.GetBlobDataFromPublicURL(kUrl);
EXPECT_TRUE(blob_data_handle);
blob_data_handle.reset();
// Finally get rid of the url registration and the blob.
EXPECT_TRUE(host.RevokePublicBlobURL(kUrl));
blob_data_handle = context.GetBlobDataFromPublicURL(kUrl);
EXPECT_TRUE(!blob_data_handle.get());
EXPECT_FALSE(host.RevokePublicBlobURL(kUrl));
}
TEST(BlobStorageContextTest, HostCleanup) {
BlobStorageContext context;
scoped_ptr<BlobStorageHost> host(new BlobStorageHost(&context));
MessageLoop fake_io_message_loop;
// Build up a basic blob and register a url
const std::string kId("id");
GURL kUrl("blob:id");
SetupBasicBlob(host.get(), kId);
EXPECT_TRUE(host->RegisterPublicBlobURL(kUrl, kId));
// All should disappear upon host deletion.
host.reset();
scoped_ptr<BlobDataHandle> handle = context.GetBlobDataFromPublicURL(kUrl);
EXPECT_TRUE(!handle.get());
handle = context.GetBlobDataFromUUID(kId);
EXPECT_TRUE(!handle.get());
}
TEST(BlobStorageContextTest, EarlyContextDeletion) {
scoped_ptr<BlobStorageContext> context(new BlobStorageContext);
BlobStorageHost host(context.get());
MessageLoop fake_io_message_loop;
// Deleting the context should not induce crashes.
context.reset();
const std::string kId("id");
GURL kUrl("blob:id");
EXPECT_FALSE(host.StartBuildingBlob(kId));
BlobData::Item item;
item.SetToBytes("1", 1);
EXPECT_FALSE(host.AppendBlobDataItem(kId, item));
EXPECT_FALSE(host.FinishBuildingBlob(kId, "text/plain"));
EXPECT_FALSE(host.RegisterPublicBlobURL(kUrl, kId));
EXPECT_FALSE(host.IncrementBlobRefCount(kId));
EXPECT_FALSE(host.DecrementBlobRefCount(kId));
EXPECT_FALSE(host.RevokePublicBlobURL(kUrl));
}
} // namespace webkit_blob
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