xref: /aosp_15_r20/external/openscreen/cast/common/channel/testing/fake_cast_socket.h (revision 3f982cf4871df8771c9d4abe6e9a6f8d829b2736)
1 // Copyright 2019 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 #ifndef CAST_COMMON_CHANNEL_TESTING_FAKE_CAST_SOCKET_H_
6 #define CAST_COMMON_CHANNEL_TESTING_FAKE_CAST_SOCKET_H_
7 
8 #include <memory>
9 
10 #include "cast/common/channel/proto/cast_channel.pb.h"
11 #include "cast/common/public/cast_socket.h"
12 #include "gmock/gmock.h"
13 #include "platform/test/mock_tls_connection.h"
14 
15 namespace openscreen {
16 namespace cast {
17 
18 class MockCastSocketClient final : public CastSocket::Client {
19  public:
20   ~MockCastSocketClient() override = default;
21 
22   MOCK_METHOD(void, OnError, (CastSocket * socket, Error error), (override));
23   MOCK_METHOD(void,
24               OnMessage,
25               (CastSocket * socket, ::cast::channel::CastMessage message),
26               (override));
27 };
28 
29 struct FakeCastSocket {
FakeCastSocketFakeCastSocket30   FakeCastSocket()
31       : FakeCastSocket({{10, 0, 1, 7}, 1234}, {{10, 0, 1, 9}, 4321}) {}
FakeCastSocketFakeCastSocket32   FakeCastSocket(const IPEndpoint& local_endpoint,
33                  const IPEndpoint& remote_endpoint)
34       : local_endpoint(local_endpoint),
35         remote_endpoint(remote_endpoint),
36         moved_connection(std::make_unique<MockTlsConnection>(local_endpoint,
37                                                              remote_endpoint)),
38         connection(moved_connection.get()),
39         socket(std::move(moved_connection), &mock_client) {}
40 
41   IPEndpoint local_endpoint;
42   IPEndpoint remote_endpoint;
43   std::unique_ptr<MockTlsConnection> moved_connection;
44   MockTlsConnection* connection;
45   MockCastSocketClient mock_client;
46   CastSocket socket;
47 };
48 
49 // Two FakeCastSockets that are piped together via their MockTlsConnection
50 // read/write methods.  Calling SendMessage on |socket| will result in an
51 // OnMessage callback on |mock_peer_client| and vice versa for |peer_socket| and
52 // |mock_client|.
53 struct FakeCastSocketPair {
FakeCastSocketPairFakeCastSocketPair54   FakeCastSocketPair()
55       : FakeCastSocketPair({{10, 0, 1, 7}, 1234}, {{10, 0, 1, 9}, 4321}) {}
56 
FakeCastSocketPairFakeCastSocketPair57   FakeCastSocketPair(const IPEndpoint& local_endpoint,
58                      const IPEndpoint& remote_endpoint)
59       : local_endpoint(local_endpoint), remote_endpoint(remote_endpoint) {
60     using ::testing::_;
61     using ::testing::Invoke;
62 
63     auto moved_connection =
64         std::make_unique<::testing::NiceMock<MockTlsConnection>>(
65             local_endpoint, remote_endpoint);
66     connection = moved_connection.get();
67     socket =
68         std::make_unique<CastSocket>(std::move(moved_connection), &mock_client);
69 
70     auto moved_peer = std::make_unique<::testing::NiceMock<MockTlsConnection>>(
71         remote_endpoint, local_endpoint);
72     peer_connection = moved_peer.get();
73     peer_socket =
74         std::make_unique<CastSocket>(std::move(moved_peer), &mock_peer_client);
75 
76     ON_CALL(*connection, Send(_, _))
77         .WillByDefault(Invoke([this](const void* data, size_t len) {
78           peer_connection->OnRead(std::vector<uint8_t>(
79               reinterpret_cast<const uint8_t*>(data),
80               reinterpret_cast<const uint8_t*>(data) + len));
81           return true;
82         }));
83     ON_CALL(*peer_connection, Send(_, _))
84         .WillByDefault(Invoke([this](const void* data, size_t len) {
85           connection->OnRead(std::vector<uint8_t>(
86               reinterpret_cast<const uint8_t*>(data),
87               reinterpret_cast<const uint8_t*>(data) + len));
88           return true;
89         }));
90   }
91   ~FakeCastSocketPair() = default;
92 
93   IPEndpoint local_endpoint;
94   IPEndpoint remote_endpoint;
95 
96   ::testing::NiceMock<MockTlsConnection>* connection;
97   MockCastSocketClient mock_client;
98   std::unique_ptr<CastSocket> socket;
99 
100   ::testing::NiceMock<MockTlsConnection>* peer_connection;
101   MockCastSocketClient mock_peer_client;
102   std::unique_ptr<CastSocket> peer_socket;
103 };
104 
105 }  // namespace cast
106 }  // namespace openscreen
107 
108 #endif  // CAST_COMMON_CHANNEL_TESTING_FAKE_CAST_SOCKET_H_
109