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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Utilities for testing classes in this directory. They assume they are running
// inside a gtest test.
#ifndef THIRD_PARTY_BLINK_RENDERER_MODULES_WEBTRANSPORT_TEST_UTILS_H_
#define THIRD_PARTY_BLINK_RENDERER_MODULES_WEBTRANSPORT_TEST_UTILS_H_
#include "base/functional/callback.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/weak_ptr.h"
#include "mojo/public/cpp/bindings/pending_remote.h"
#include "mojo/public/cpp/bindings/receiver.h"
#include "mojo/public/cpp/bindings/remote.h"
#include "mojo/public/cpp/system/data_pipe.h"
#include "mojo/public/cpp/system/message_pipe.h"
#include "services/network/public/mojom/web_transport.mojom-blink.h"
#include "third_party/blink/public/mojom/webtransport/web_transport_connector.mojom-blink.h"
#include "third_party/blink/renderer/platform/heap/persistent.h"
#include "third_party/blink/renderer/platform/wtf/vector.h"
#include "v8/include/v8.h"
namespace blink {
class BrowserInterfaceBrokerProxy;
class KURL;
class ReadableStream;
class ScriptState;
class V8TestingScope;
class WebTransport;
// Creates a mojo data pipe with the normal options for WebTransportTests.
// Returns true for success. Returns false and causes a test failure
// otherwise.
bool CreateDataPipeForWebTransportTests(
mojo::ScopedDataPipeProducerHandle* producer,
mojo::ScopedDataPipeConsumerHandle* consumer);
// Read the next value from a stream. It is expected that there is a value,
// ie. that |done| will be false. Fails the test if no value is available.
v8::Local<v8::Value> ReadValueFromStream(const V8TestingScope& scope,
ReadableStream* stream);
// Helps create a WebTransport with a fake remote for use in tests. See for
// example ScopedWebTransport in bidirectional_stream_test.cc for how to use it.
class TestWebTransportCreator final
: public mojom::blink::WebTransportConnector {
DISALLOW_NEW();
public:
using CreateStubCallback = base::RepeatingCallback<void(
mojo::PendingRemote<network::mojom::blink::WebTransport>&)>;
TestWebTransportCreator();
~TestWebTransportCreator() override;
// The |create_stub| callback should initialize a subclass of
// network::mojom::blink::WebTransport and keep it alive for as long as the
// WebTransport object should remain functional.
void Init(ScriptState* script_state, CreateStubCallback create_stub);
WebTransport* GetWebTransport() const { return web_transport_; }
// Implementation of mojom::blink::WebTransportConnector.
void Connect(
const KURL&,
Vector<network::mojom::blink::WebTransportCertificateFingerprintPtr>,
mojo::PendingRemote<network::mojom::blink::WebTransportHandshakeClient>)
override;
void Reset();
private:
void BindConnector(mojo::ScopedMessagePipeHandle handle);
// |browser_interface_broker_| is cached here because we need to use it in the
// destructor. This means ScopedWebTransporHelper must always be destroyed
// before the ExecutionContext that owns the BrowserInterfaceBrokerProxy.
raw_ptr<const BrowserInterfaceBrokerProxy> browser_interface_broker_ =
nullptr;
Persistent<WebTransport> web_transport_;
mojo::Remote<network::mojom::blink::WebTransportClient> client_remote_;
mojo::Receiver<mojom::blink::WebTransportConnector> connector_receiver_{this};
CreateStubCallback create_stub_;
base::WeakPtrFactory<TestWebTransportCreator> weak_ptr_factory_{this};
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_MODULES_WEBTRANSPORT_TEST_UTILS_H_
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