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|
// Copyright (c) 2010 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 "base/callback.h"
#include "base/format_macros.h"
#include "base/message_loop.h"
#include "base/string_util.h"
#include "base/stringprintf.h"
#include "media/base/filters.h"
#include "media/base/mock_filter_host.h"
#include "media/base/mock_filters.h"
#include "net/base/net_errors.h"
#include "net/http/http_response_headers.h"
#include "webkit/glue/media/buffered_data_source.h"
#include "webkit/glue/media/mock_media_resource_loader_bridge_factory.h"
#include "webkit/glue/mock_resource_loader_bridge.h"
using ::testing::_;
using ::testing::Assign;
using ::testing::DeleteArg;
using ::testing::DoAll;
using ::testing::InSequence;
using ::testing::Invoke;
using ::testing::InvokeWithoutArgs;
using ::testing::NotNull;
using ::testing::Return;
using ::testing::SetArgumentPointee;
using ::testing::StrictMock;
using ::testing::NiceMock;
using ::testing::WithArgs;
namespace {
const char* kHttpUrl = "http://test";
const char* kFileUrl = "file://test";
const int kDataSize = 1024;
enum NetworkState {
NONE,
LOADED,
LOADING
};
} // namespace
namespace webkit_glue {
// Submit a request completed event to the resource loader due to request
// being canceled. Pretending the event is from external.
ACTION_P(RequestCanceled, loader) {
URLRequestStatus status;
status.set_status(URLRequestStatus::CANCELED);
status.set_os_error(net::ERR_ABORTED);
loader->OnCompletedRequest(status, "", base::Time());
}
class BufferedResourceLoaderTest : public testing::Test {
public:
BufferedResourceLoaderTest() {
bridge_.reset(new StrictMock<MockResourceLoaderBridge>());
for (int i = 0; i < kDataSize; ++i)
data_[i] = i;
}
~BufferedResourceLoaderTest() {
if (bridge_.get())
EXPECT_CALL(*bridge_, OnDestroy());
EXPECT_CALL(bridge_factory_, OnDestroy());
}
void Initialize(const char* url, int first_position, int last_position) {
gurl_ = GURL(url);
first_position_ = first_position;
last_position_ = last_position;
loader_ = new BufferedResourceLoader(&bridge_factory_, gurl_,
first_position_, last_position_);
}
void SetLoaderBuffer(size_t forward_capacity, size_t backward_capacity) {
loader_->buffer_.reset(
new media::SeekableBuffer(backward_capacity, forward_capacity));
}
void Start() {
InSequence s;
EXPECT_CALL(bridge_factory_,
CreateBridge(gurl_, _, first_position_, last_position_))
.WillOnce(Return(bridge_.get()));
EXPECT_CALL(*bridge_, Start(loader_.get()));
loader_->Start(
NewCallback(this, &BufferedResourceLoaderTest::StartCallback),
NewCallback(this, &BufferedResourceLoaderTest::NetworkCallback));
}
void FullResponse(int64 instance_size) {
EXPECT_CALL(*this, StartCallback(net::OK));
ResourceResponseInfo info;
std::string header = base::StringPrintf("HTTP/1.1 200 OK\n"
"Content-Length: %" PRId64,
instance_size);
replace(header.begin(), header.end(), '\n', '\0');
info.headers = new net::HttpResponseHeaders(header);
info.content_length = instance_size;
loader_->OnReceivedResponse(info, false);
EXPECT_EQ(instance_size, loader_->content_length());
EXPECT_EQ(instance_size, loader_->instance_size());
EXPECT_FALSE(loader_->partial_response());
}
void PartialResponse(int64 first_position, int64 last_position,
int64 instance_size) {
EXPECT_CALL(*this, StartCallback(net::OK));
int64 content_length = last_position - first_position + 1;
ResourceResponseInfo info;
std::string header = base::StringPrintf("HTTP/1.1 206 Partial Content\n"
"Content-Range: bytes "
"%" PRId64 "-%" PRId64 "/%" PRId64,
first_position,
last_position,
instance_size);
replace(header.begin(), header.end(), '\n', '\0');
info.headers = new net::HttpResponseHeaders(header);
info.content_length = content_length;
loader_->OnReceivedResponse(info, false);
EXPECT_EQ(content_length, loader_->content_length());
EXPECT_EQ(instance_size, loader_->instance_size());
EXPECT_TRUE(loader_->partial_response());
}
void StopWhenLoad() {
InSequence s;
EXPECT_CALL(*bridge_, Cancel())
.WillOnce(RequestCanceled(loader_));
EXPECT_CALL(*bridge_, OnDestroy())
.WillOnce(Invoke(this, &BufferedResourceLoaderTest::ReleaseBridge));
loader_->Stop();
}
void ReleaseBridge() {
ignore_result(bridge_.release());
}
// Helper method to write to |loader_| from |data_|.
void WriteLoader(int position, int size) {
EXPECT_CALL(*this, NetworkCallback())
.RetiresOnSaturation();
loader_->OnReceivedData(reinterpret_cast<char*>(data_ + position), size);
}
// Helper method to read from |loader_|.
void ReadLoader(int64 position, int size, uint8* buffer) {
loader_->Read(position, size, buffer,
NewCallback(this, &BufferedResourceLoaderTest::ReadCallback));
}
// Verifis that data in buffer[0...size] is equal to data_[pos...pos+size].
void VerifyBuffer(uint8* buffer, int pos, int size) {
EXPECT_EQ(0, memcmp(buffer, data_ + pos, size));
}
// Helper method to disallow deferring in |loader_|.
void DisallowLoaderDefer() {
if (loader_->deferred_) {
EXPECT_CALL(*bridge_, SetDefersLoading(false));
EXPECT_CALL(*this, NetworkCallback());
}
loader_->SetAllowDefer(false);
}
// Helper method to allow deferring in |loader_|.
void AllowLoaderDefer() {
loader_->SetAllowDefer(true);
}
MOCK_METHOD1(StartCallback, void(int error));
MOCK_METHOD1(ReadCallback, void(int error));
MOCK_METHOD0(NetworkCallback, void());
protected:
GURL gurl_;
int64 first_position_;
int64 last_position_;
scoped_refptr<BufferedResourceLoader> loader_;
StrictMock<MockMediaResourceLoaderBridgeFactory> bridge_factory_;
scoped_ptr<StrictMock<MockResourceLoaderBridge> > bridge_;
uint8 data_[kDataSize];
private:
DISALLOW_COPY_AND_ASSIGN(BufferedResourceLoaderTest);
};
TEST_F(BufferedResourceLoaderTest, StartStop) {
Initialize(kHttpUrl, -1, -1);
Start();
StopWhenLoad();
}
// Tests that HTTP header is missing in the response.
TEST_F(BufferedResourceLoaderTest, MissingHttpHeader) {
Initialize(kHttpUrl, -1, -1);
Start();
EXPECT_CALL(*this, StartCallback(net::ERR_INVALID_RESPONSE));
EXPECT_CALL(*bridge_, Cancel())
.WillOnce(RequestCanceled(loader_));
EXPECT_CALL(*bridge_, OnDestroy())
.WillOnce(Invoke(this, &BufferedResourceLoaderTest::ReleaseBridge));
ResourceResponseInfo info;
loader_->OnReceivedResponse(info, false);
}
// Tests that a bad HTTP response is recived, e.g. file not found.
TEST_F(BufferedResourceLoaderTest, BadHttpResponse) {
Initialize(kHttpUrl, -1, -1);
Start();
EXPECT_CALL(*this, StartCallback(net::ERR_FAILED));
EXPECT_CALL(*bridge_, Cancel())
.WillOnce(RequestCanceled(loader_));
EXPECT_CALL(*bridge_, OnDestroy())
.WillOnce(Invoke(this, &BufferedResourceLoaderTest::ReleaseBridge));
ResourceResponseInfo info;
info.headers = new net::HttpResponseHeaders("HTTP/1.1 404 Not Found\n");
loader_->OnReceivedResponse(info, false);
}
// Tests that partial content is requested but not fulfilled.
TEST_F(BufferedResourceLoaderTest, NotPartialResponse) {
Initialize(kHttpUrl, 100, -1);
Start();
FullResponse(1024);
StopWhenLoad();
}
// Tests that a 200 response is received.
TEST_F(BufferedResourceLoaderTest, FullResponse) {
Initialize(kHttpUrl, -1, -1);
Start();
FullResponse(1024);
StopWhenLoad();
}
// Tests that a partial content response is received.
TEST_F(BufferedResourceLoaderTest, PartialResponse) {
Initialize(kHttpUrl, 100, 200);
Start();
PartialResponse(100, 200, 1024);
StopWhenLoad();
}
// Tests that an invalid partial response is received.
TEST_F(BufferedResourceLoaderTest, InvalidPartialResponse) {
Initialize(kHttpUrl, 0, 10);
Start();
EXPECT_CALL(*this, StartCallback(net::ERR_INVALID_RESPONSE));
EXPECT_CALL(*bridge_, Cancel())
.WillOnce(RequestCanceled(loader_));
EXPECT_CALL(*bridge_, OnDestroy())
.WillOnce(Invoke(this, &BufferedResourceLoaderTest::ReleaseBridge));
ResourceResponseInfo info;
std::string header = base::StringPrintf("HTTP/1.1 206 Partial Content\n"
"Content-Range: bytes %d-%d/%d",
1, 10, 1024);
replace(header.begin(), header.end(), '\n', '\0');
info.headers = new net::HttpResponseHeaders(header);
info.content_length = 10;
loader_->OnReceivedResponse(info, false);
}
// Tests the logic of sliding window for data buffering and reading.
TEST_F(BufferedResourceLoaderTest, BufferAndRead) {
Initialize(kHttpUrl, 10, 29);
Start();
PartialResponse(10, 29, 30);
uint8 buffer[10];
InSequence s;
// Writes 10 bytes and read them back.
WriteLoader(10, 10);
EXPECT_CALL(*this, ReadCallback(10));
ReadLoader(10, 10, buffer);
VerifyBuffer(buffer, 10, 10);
// Writes 10 bytes and read 2 times.
WriteLoader(20, 10);
EXPECT_CALL(*this, ReadCallback(5));
ReadLoader(20, 5, buffer);
VerifyBuffer(buffer, 20, 5);
EXPECT_CALL(*this, ReadCallback(5));
ReadLoader(25, 5, buffer);
VerifyBuffer(buffer, 25, 5);
// Read backward within buffer.
EXPECT_CALL(*this, ReadCallback(10));
ReadLoader(10, 10, buffer);
VerifyBuffer(buffer, 10, 10);
// Read backward outside buffer.
EXPECT_CALL(*this, ReadCallback(net::ERR_CACHE_MISS));
ReadLoader(9, 10, buffer);
// Response has completed.
EXPECT_CALL(*this, NetworkCallback());
EXPECT_CALL(*bridge_, OnDestroy())
.WillOnce(Invoke(this, &BufferedResourceLoaderTest::ReleaseBridge));
URLRequestStatus status;
status.set_status(URLRequestStatus::SUCCESS);
loader_->OnCompletedRequest(status, "", base::Time());
// Try to read 10 from position 25 will just return with 5 bytes.
EXPECT_CALL(*this, ReadCallback(5));
ReadLoader(25, 10, buffer);
VerifyBuffer(buffer, 25, 5);
// Try to read outside buffered range after request has completed.
EXPECT_CALL(*this, ReadCallback(net::ERR_CACHE_MISS));
ReadLoader(5, 10, buffer);
// Try to read beyond the instance size.
EXPECT_CALL(*this, ReadCallback(0));
ReadLoader(30, 10, buffer);
}
TEST_F(BufferedResourceLoaderTest, ReadOutsideBuffer) {
Initialize(kHttpUrl, 10, 0x00FFFFFF);
Start();
PartialResponse(10, 0x00FFFFFF, 0x01000000);
uint8 buffer[10];
InSequence s;
// Read very far aheard will get a cache miss.
EXPECT_CALL(*this, ReadCallback(net::ERR_CACHE_MISS));
ReadLoader(0x00FFFFFF, 1, buffer);
// The following call will not call ReadCallback() because it is waiting for
// data to arrive.
ReadLoader(10, 10, buffer);
// Writing to loader will fulfill the read request.
EXPECT_CALL(*this, ReadCallback(10));
WriteLoader(10, 20);
VerifyBuffer(buffer, 10, 10);
// The following call cannot be fulfilled now.
ReadLoader(25, 10, buffer);
EXPECT_CALL(*this, ReadCallback(5));
EXPECT_CALL(*this, NetworkCallback());
EXPECT_CALL(*bridge_, OnDestroy())
.WillOnce(Invoke(this, &BufferedResourceLoaderTest::ReleaseBridge));
URLRequestStatus status;
status.set_status(URLRequestStatus::SUCCESS);
loader_->OnCompletedRequest(status, "", base::Time());
}
TEST_F(BufferedResourceLoaderTest, RequestFailedWhenRead) {
Initialize(kHttpUrl, 10, 29);
Start();
PartialResponse(10, 29, 30);
uint8 buffer[10];
InSequence s;
ReadLoader(10, 10, buffer);
EXPECT_CALL(*this, ReadCallback(net::ERR_FAILED));
EXPECT_CALL(*this, NetworkCallback());
EXPECT_CALL(*bridge_, OnDestroy())
.WillOnce(Invoke(this, &BufferedResourceLoaderTest::ReleaseBridge));
URLRequestStatus status;
status.set_status(URLRequestStatus::FAILED);
loader_->OnCompletedRequest(status, "", base::Time());
}
// Tests the logic of caching data to disk when media is paused.
TEST_F(BufferedResourceLoaderTest, AllowDefer_NoDataReceived) {
Initialize(kHttpUrl, 10, 99);
SetLoaderBuffer(10, 20);
Start();
PartialResponse(10, 99, 100);
// Start in undeferred state, then disallow defer, then allow defer
// without receiving data in between.
DisallowLoaderDefer();
AllowLoaderDefer();
StopWhenLoad();
}
TEST_F(BufferedResourceLoaderTest, AllowDefer_ReadSameWindow) {
Initialize(kHttpUrl, 10, 99);
SetLoaderBuffer(10, 20);
Start();
PartialResponse(10, 99, 100);
uint8 buffer[10];
// Start in undeferred state, disallow defer, receive data but don't shift
// buffer window, then allow defer and read.
DisallowLoaderDefer();
WriteLoader(10, 10);
AllowLoaderDefer();
EXPECT_CALL(*this, ReadCallback(10));
ReadLoader(10, 10, buffer);
VerifyBuffer(buffer, 10, 10);
StopWhenLoad();
}
TEST_F(BufferedResourceLoaderTest, AllowDefer_ReadPastWindow) {
Initialize(kHttpUrl, 10, 99);
SetLoaderBuffer(10, 20);
Start();
PartialResponse(10, 99, 100);
uint8 buffer[10];
// Not deferred, disallow defer, received data and shift buffer window,
// allow defer, then read in area outside of buffer window.
DisallowLoaderDefer();
WriteLoader(10, 10);
WriteLoader(20, 50);
AllowLoaderDefer();
EXPECT_CALL(*this, ReadCallback(net::ERR_CACHE_MISS));
ReadLoader(10, 10, buffer);
StopWhenLoad();
}
TEST_F(BufferedResourceLoaderTest, AllowDefer_DeferredNoDataReceived) {
Initialize(kHttpUrl, 10, 99);
SetLoaderBuffer(10, 20);
Start();
PartialResponse(10, 99, 100);
uint8 buffer[10];
// Start in deferred state, then disallow defer, receive no data, and
// allow defer and read.
EXPECT_CALL(*bridge_, SetDefersLoading(true));
EXPECT_CALL(*this, NetworkCallback());
WriteLoader(10, 40);
DisallowLoaderDefer();
AllowLoaderDefer();
EXPECT_CALL(*this, ReadCallback(10));
ReadLoader(20, 10, buffer);
VerifyBuffer(buffer, 20, 10);
StopWhenLoad();
}
TEST_F(BufferedResourceLoaderTest, AllowDefer_DeferredReadSameWindow) {
Initialize(kHttpUrl, 10, 99);
SetLoaderBuffer(10, 20);
Start();
PartialResponse(10, 99, 100);
uint8 buffer[10];
// Start in deferred state, disallow defer, receive data and shift buffer
// window, allow defer, and read in a place that's still in the window.
EXPECT_CALL(*bridge_, SetDefersLoading(true));
EXPECT_CALL(*this, NetworkCallback());
WriteLoader(10, 30);
DisallowLoaderDefer();
WriteLoader(40, 5);
AllowLoaderDefer();
EXPECT_CALL(*this, ReadCallback(10));
ReadLoader(20, 10, buffer);
VerifyBuffer(buffer, 20, 10);
StopWhenLoad();
}
TEST_F(BufferedResourceLoaderTest, AllowDefer_DeferredReadPastWindow) {
Initialize(kHttpUrl, 10, 99);
SetLoaderBuffer(10, 20);
Start();
PartialResponse(10, 99, 100);
uint8 buffer[10];
// Start in deferred state, disallow defer, receive data and shift buffer
// window, allow defer, and read outside of the buffer window.
EXPECT_CALL(*bridge_, SetDefersLoading(true));
EXPECT_CALL(*this, NetworkCallback());
WriteLoader(10, 40);
DisallowLoaderDefer();
WriteLoader(50, 20);
WriteLoader(70, 40);
AllowLoaderDefer();
EXPECT_CALL(*this, ReadCallback(net::ERR_CACHE_MISS));
ReadLoader(20, 5, buffer);
StopWhenLoad();
}
// TODO(hclam): add unit test for defer loading.
class MockBufferedResourceLoader : public BufferedResourceLoader {
public:
MockBufferedResourceLoader() : BufferedResourceLoader(NULL, GURL(), 0, 0) {
}
MOCK_METHOD2(Start, void(net::CompletionCallback* read_callback,
NetworkEventCallback* network_callback));
MOCK_METHOD0(Stop, void());
MOCK_METHOD4(Read, void(int64 position, int read_size, uint8* buffer,
net::CompletionCallback* callback));
MOCK_METHOD0(content_length, int64());
MOCK_METHOD0(instance_size, int64());
MOCK_METHOD0(partial_response, bool());
MOCK_METHOD0(network_activity, bool());
MOCK_METHOD0(GetBufferedFirstBytePosition, int64());
MOCK_METHOD0(GetBufferedLastBytePosition, int64());
protected:
~MockBufferedResourceLoader() {}
DISALLOW_COPY_AND_ASSIGN(MockBufferedResourceLoader);
};
// A mock BufferedDataSource to inject mock BufferedResourceLoader through
// CreateResourceLoader() method.
class MockBufferedDataSource : public BufferedDataSource {
public:
MockBufferedDataSource(
MessageLoop* message_loop, MediaResourceLoaderBridgeFactory* factory)
: BufferedDataSource(message_loop, factory) {
}
virtual base::TimeDelta GetTimeoutMilliseconds() {
// It is 100 ms because we don't want the test to run too long.
return base::TimeDelta::FromMilliseconds(100);
}
MOCK_METHOD2(CreateResourceLoader, BufferedResourceLoader*(
int64 first_position, int64 last_position));
private:
DISALLOW_COPY_AND_ASSIGN(MockBufferedDataSource);
};
class BufferedDataSourceTest : public testing::Test {
public:
BufferedDataSourceTest() {
message_loop_ = MessageLoop::current();
bridge_factory_.reset(
new StrictMock<MockMediaResourceLoaderBridgeFactory>());
// Prepare test data.
for (size_t i = 0; i < sizeof(data_); ++i) {
data_[i] = i;
}
}
virtual ~BufferedDataSourceTest() {
if (data_source_) {
// Release the bridge factory because we don't own it.
// Expects bridge factory to be destroyed along with data source.
EXPECT_CALL(*bridge_factory_, OnDestroy())
.WillOnce(Invoke(this,
&BufferedDataSourceTest::ReleaseBridgeFactory));
}
}
void ExpectCreateAndStartResourceLoader(int start_error) {
EXPECT_CALL(*data_source_, CreateResourceLoader(_, _))
.WillOnce(Return(loader_.get()));
EXPECT_CALL(*loader_, Start(NotNull(), NotNull()))
.WillOnce(
DoAll(Assign(&error_, start_error),
Invoke(this,
&BufferedDataSourceTest::InvokeStartCallback)));
}
void InitializeDataSource(const char* url, int error,
bool partial_response, int64 instance_size,
NetworkState networkState) {
// Saves the url first.
gurl_ = GURL(url);
media::MediaFormat url_format;
url_format.SetAsString(media::MediaFormat::kMimeType,
media::mime_type::kURL);
url_format.SetAsString(media::MediaFormat::kURL, url);
data_source_ = new MockBufferedDataSource(MessageLoop::current(),
bridge_factory_.get());
CHECK(data_source_);
// There is no need to provide a message loop to data source.
data_source_->set_host(&host_);
scoped_refptr<NiceMock<MockBufferedResourceLoader> > first_loader =
new NiceMock<MockBufferedResourceLoader>();
// Creates the mock loader to be injected.
loader_ = first_loader;
bool initialized_ok = (error == net::OK);
bool loaded = networkState == LOADED;
{
InSequence s;
ExpectCreateAndStartResourceLoader(error);
// In the case of an invalid partial response we expect a second loader
// to be created.
if (partial_response && (error == net::ERR_INVALID_RESPONSE)) {
// Verify that the initial loader is stopped.
EXPECT_CALL(*loader_, Stop());
// Replace loader_ with a new instance.
loader_ = new NiceMock<MockBufferedResourceLoader>();
// Create and start Make sure Start() is called the new loader.
ExpectCreateAndStartResourceLoader(net::OK);
// Update initialization variable since we know the second loader will
// return OK.
initialized_ok = true;
}
}
// Attach a static function that deletes the memory referred by the
// "callback" parameter.
ON_CALL(*loader_, Read(_, _, _ , _))
.WillByDefault(DeleteArg<3>());
StrictMock<media::MockFilterCallback> callback;
EXPECT_CALL(*loader_, instance_size())
.WillRepeatedly(Return(instance_size));
EXPECT_CALL(*loader_, partial_response())
.WillRepeatedly(Return(partial_response));
if (initialized_ok) {
// Expected loaded or not.
EXPECT_CALL(host_, SetLoaded(loaded));
// TODO(hclam): The condition for streaming needs to be adjusted.
if (instance_size != -1 && (loaded || partial_response)) {
EXPECT_CALL(host_, SetTotalBytes(instance_size));
if (loaded)
EXPECT_CALL(host_, SetBufferedBytes(instance_size));
else
EXPECT_CALL(host_, SetBufferedBytes(0));
} else {
EXPECT_CALL(host_, SetStreaming(true));
}
EXPECT_CALL(callback, OnFilterCallback());
EXPECT_CALL(callback, OnCallbackDestroyed());
} else {
EXPECT_CALL(host_, SetError(media::PIPELINE_ERROR_NETWORK));
EXPECT_CALL(*loader_, Stop());
EXPECT_CALL(callback, OnFilterCallback());
EXPECT_CALL(callback, OnCallbackDestroyed());
}
// Actual initialization of the data source.
data_source_->Initialize(url, callback.NewCallback());
message_loop_->RunAllPending();
if (initialized_ok) {
// Verify the size of the data source.
int64 size;
if (instance_size != -1 && (loaded || partial_response)) {
EXPECT_TRUE(data_source_->GetSize(&size));
EXPECT_EQ(instance_size, size);
} else {
EXPECT_TRUE(data_source_->IsStreaming());
}
}
}
void StopDataSource() {
if (loader_) {
InSequence s;
EXPECT_CALL(*loader_, Stop());
}
StrictMock<media::MockFilterCallback> callback;
EXPECT_CALL(callback, OnFilterCallback());
EXPECT_CALL(callback, OnCallbackDestroyed());
data_source_->Stop(callback.NewCallback());
message_loop_->RunAllPending();
}
void ReleaseBridgeFactory() {
ignore_result(bridge_factory_.release());
}
void InvokeStartCallback(
net::CompletionCallback* callback,
BufferedResourceLoader::NetworkEventCallback* network_callback) {
callback->RunWithParams(Tuple1<int>(error_));
delete callback;
// TODO(hclam): Save this callback.
delete network_callback;
}
void InvokeReadCallback(int64 position, int size, uint8* buffer,
net::CompletionCallback* callback) {
if (error_ > 0)
memcpy(buffer, data_ + static_cast<int>(position), error_);
callback->RunWithParams(Tuple1<int>(error_));
delete callback;
}
void ReadDataSourceHit(int64 position, int size, int read_size) {
EXPECT_TRUE(loader_);
InSequence s;
// Expect the read is delegated to the resource loader.
EXPECT_CALL(*loader_, Read(position, size, NotNull(), NotNull()))
.WillOnce(DoAll(Assign(&error_, read_size),
Invoke(this,
&BufferedDataSourceTest::InvokeReadCallback)));
// The read has succeeded, so read callback will be called.
EXPECT_CALL(*this, ReadCallback(read_size));
data_source_->Read(
position, size, buffer_,
NewCallback(this, &BufferedDataSourceTest::ReadCallback));
message_loop_->RunAllPending();
// Make sure data is correct.
EXPECT_EQ(0,
memcmp(buffer_, data_ + static_cast<int>(position), read_size));
}
void ReadDataSourceHang(int64 position, int size) {
EXPECT_TRUE(loader_);
// Expect a call to read, but the call never returns.
EXPECT_CALL(*loader_, Read(position, size, NotNull(), NotNull()));
data_source_->Read(
position, size, buffer_,
NewCallback(this, &BufferedDataSourceTest::ReadCallback));
message_loop_->RunAllPending();
// Now expect the read to return after aborting the data source.
EXPECT_CALL(*this, ReadCallback(_));
EXPECT_CALL(*loader_, Stop());
data_source_->Abort();
message_loop_->RunAllPending();
// The loader has now been stopped. Set this to null so that when the
// DataSource is stopped, it does not expect a call to stop the loader.
loader_ = NULL;
}
void ReadDataSourceMiss(int64 position, int size) {
EXPECT_TRUE(loader_);
// 1. Reply with a cache miss for the read.
{
InSequence s;
EXPECT_CALL(*loader_, Read(position, size, NotNull(), NotNull()))
.WillOnce(DoAll(Assign(&error_, net::ERR_CACHE_MISS),
Invoke(this,
&BufferedDataSourceTest::InvokeReadCallback)));
EXPECT_CALL(*loader_, Stop());
}
// 2. Then the current loader will be stop and destroyed.
NiceMock<MockBufferedResourceLoader> *new_loader =
new NiceMock<MockBufferedResourceLoader>();
EXPECT_CALL(*data_source_, CreateResourceLoader(position, -1))
.WillOnce(Return(new_loader));
// 3. Then the new loader will be started.
EXPECT_CALL(*new_loader, Start(NotNull(), NotNull()))
.WillOnce(DoAll(Assign(&error_, net::OK),
Invoke(this,
&BufferedDataSourceTest::InvokeStartCallback)));
EXPECT_CALL(*new_loader, partial_response())
.WillRepeatedly(Return(loader_->partial_response()));
// 4. Then again a read request is made to the new loader.
EXPECT_CALL(*new_loader, Read(position, size, NotNull(), NotNull()))
.WillOnce(DoAll(Assign(&error_, size),
Invoke(this,
&BufferedDataSourceTest::InvokeReadCallback)));
EXPECT_CALL(*this, ReadCallback(size));
data_source_->Read(
position, size, buffer_,
NewCallback(this, &BufferedDataSourceTest::ReadCallback));
message_loop_->RunAllPending();
// Make sure data is correct.
EXPECT_EQ(0, memcmp(buffer_, data_ + static_cast<int>(position), size));
loader_ = new_loader;
}
void ReadDataSourceFailed(int64 position, int size, int error) {
EXPECT_TRUE(loader_);
// 1. Expect the read is delegated to the resource loader.
EXPECT_CALL(*loader_, Read(position, size, NotNull(), NotNull()))
.WillOnce(DoAll(Assign(&error_, error),
Invoke(this,
&BufferedDataSourceTest::InvokeReadCallback)));
// 2. Host will then receive an error.
EXPECT_CALL(*loader_, Stop());
// 3. The read has failed, so read callback will be called.
EXPECT_CALL(*this, ReadCallback(media::DataSource::kReadError));
data_source_->Read(
position, size, buffer_,
NewCallback(this, &BufferedDataSourceTest::ReadCallback));
message_loop_->RunAllPending();
}
void ReadDataSourceTimesOut(int64 position, int size) {
// 1. Drop the request and let it times out.
{
InSequence s;
EXPECT_CALL(*loader_, Read(position, size, NotNull(), NotNull()))
.WillOnce(DeleteArg<3>());
EXPECT_CALL(*loader_, Stop());
}
// 2. Then the current loader will be stop and destroyed.
NiceMock<MockBufferedResourceLoader> *new_loader =
new NiceMock<MockBufferedResourceLoader>();
EXPECT_CALL(*data_source_, CreateResourceLoader(position, -1))
.WillOnce(Return(new_loader));
// 3. Then the new loader will be started and respond to queries about
// whether this is a partial response using the value of the previous
// loader.
EXPECT_CALL(*new_loader, Start(NotNull(), NotNull()))
.WillOnce(DoAll(Assign(&error_, net::OK),
Invoke(this,
&BufferedDataSourceTest::InvokeStartCallback)));
EXPECT_CALL(*new_loader, partial_response())
.WillRepeatedly(Return(loader_->partial_response()));
// 4. Then again a read request is made to the new loader.
EXPECT_CALL(*new_loader, Read(position, size, NotNull(), NotNull()))
.WillOnce(DoAll(Assign(&error_, size),
Invoke(this,
&BufferedDataSourceTest::InvokeReadCallback),
InvokeWithoutArgs(message_loop_,
&MessageLoop::Quit)));
EXPECT_CALL(*this, ReadCallback(size));
data_source_->Read(
position, size, buffer_,
NewCallback(this, &BufferedDataSourceTest::ReadCallback));
// This blocks the current thread until the watch task is executed and
// triggers a read callback to quit this message loop.
message_loop_->Run();
// Make sure data is correct.
EXPECT_EQ(0, memcmp(buffer_, data_ + static_cast<int>(position), size));
loader_ = new_loader;
}
MOCK_METHOD1(ReadCallback, void(size_t size));
scoped_ptr<StrictMock<MockMediaResourceLoaderBridgeFactory> >
bridge_factory_;
scoped_refptr<NiceMock<MockBufferedResourceLoader> > loader_;
scoped_refptr<MockBufferedDataSource> data_source_;
StrictMock<media::MockFilterHost> host_;
GURL gurl_;
MessageLoop* message_loop_;
int error_;
uint8 buffer_[1024];
uint8 data_[1024];
private:
DISALLOW_COPY_AND_ASSIGN(BufferedDataSourceTest);
};
TEST_F(BufferedDataSourceTest, InitializationSuccess) {
InitializeDataSource(kHttpUrl, net::OK, true, 1024, LOADING);
StopDataSource();
}
TEST_F(BufferedDataSourceTest, InitiailizationFailed) {
InitializeDataSource(kHttpUrl, net::ERR_FILE_NOT_FOUND, false, 0, NONE);
StopDataSource();
}
TEST_F(BufferedDataSourceTest, MissingContentLength) {
InitializeDataSource(kHttpUrl, net::OK, true, -1, LOADING);
StopDataSource();
}
TEST_F(BufferedDataSourceTest, RangeRequestNotSupported) {
InitializeDataSource(kHttpUrl, net::OK, false, 1024, LOADING);
StopDataSource();
}
// Test the case where we get a 206 response, but no Content-Range header.
TEST_F(BufferedDataSourceTest, MissingContentRange) {
InitializeDataSource(kHttpUrl, net::ERR_INVALID_RESPONSE, true, 1024,
LOADING);
StopDataSource();
}
TEST_F(BufferedDataSourceTest,
MissingContentLengthAndRangeRequestNotSupported) {
InitializeDataSource(kHttpUrl, net::OK, false, -1, LOADING);
StopDataSource();
}
TEST_F(BufferedDataSourceTest, ReadCacheHit) {
InitializeDataSource(kHttpUrl, net::OK, true, 25, LOADING);
// Performs read with cache hit.
ReadDataSourceHit(10, 10, 10);
// Performs read with cache hit but partially filled.
ReadDataSourceHit(20, 10, 5);
StopDataSource();
}
TEST_F(BufferedDataSourceTest, ReadCacheMiss) {
InitializeDataSource(kHttpUrl, net::OK, true, 1024, LOADING);
ReadDataSourceMiss(1000, 10);
ReadDataSourceMiss(20, 10);
StopDataSource();
}
TEST_F(BufferedDataSourceTest, ReadHang) {
InitializeDataSource(kHttpUrl, net::OK, true, 25, LOADING);
ReadDataSourceHang(10, 10);
StopDataSource();
}
TEST_F(BufferedDataSourceTest, ReadFailed) {
InitializeDataSource(kHttpUrl, net::OK, true, 1024, LOADING);
ReadDataSourceHit(10, 10, 10);
ReadDataSourceFailed(10, 10, net::ERR_CONNECTION_RESET);
StopDataSource();
}
TEST_F(BufferedDataSourceTest, ReadTimesOut) {
InitializeDataSource(kHttpUrl, net::OK, true, 1024, LOADING);
ReadDataSourceTimesOut(20, 10);
StopDataSource();
}
TEST_F(BufferedDataSourceTest, FileHasLoadedState) {
InitializeDataSource(kFileUrl, net::OK, true, 1024, LOADED);
ReadDataSourceTimesOut(20, 10);
StopDataSource();
}
} // namespace webkit_glue
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