1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
|
// Copyright 2019 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 "cast/common/channel/connection_namespace_handler.h"
#include "cast/common/channel/cast_socket.h"
#include "cast/common/channel/message_util.h"
#include "cast/common/channel/test/fake_cast_socket.h"
#include "cast/common/channel/virtual_connection.h"
#include "cast/common/channel/virtual_connection_manager.h"
#include "cast/common/channel/virtual_connection_router.h"
#include "gmock/gmock.h"
#include "gtest/gtest.h"
#include "util/json/json_value.h"
#include "util/json/json_writer.h"
#include "util/logging.h"
namespace cast {
namespace channel {
namespace {
using ::testing::_;
using ::testing::Invoke;
using ::testing::NiceMock;
using openscreen::ErrorOr;
class MockSocketErrorHandler
: public VirtualConnectionRouter::SocketErrorHandler {
public:
MOCK_METHOD(void, OnClose, (CastSocket * socket), (override));
MOCK_METHOD(void, OnError, (CastSocket * socket, Error error), (override));
};
class MockVirtualConnectionPolicy
: public ConnectionNamespaceHandler::VirtualConnectionPolicy {
public:
~MockVirtualConnectionPolicy() override = default;
MOCK_METHOD(bool,
IsConnectionAllowed,
(const VirtualConnection& virtual_conn),
(const, override));
};
CastMessage MakeConnectMessage(
const std::string& source_id,
const std::string& destination_id,
absl::optional<CastMessage_ProtocolVersion> version,
std::vector<CastMessage_ProtocolVersion> version_list) {
CastMessage connect_message =
channel::MakeConnectMessage(source_id, destination_id);
Json::Value message(Json::ValueType::objectValue);
message[kMessageKeyType] = kMessageTypeConnect;
if (version) {
message[kMessageKeyProtocolVersion] = version.value();
}
if (!version_list.empty()) {
Json::Value list(Json::ValueType::arrayValue);
for (CastMessage_ProtocolVersion v : version_list) {
list.append(v);
}
message[kMessageKeyProtocolVersionList] = std::move(list);
}
openscreen::JsonWriter json_writer;
ErrorOr<std::string> result = json_writer.Write(message);
OSP_DCHECK(result);
connect_message.set_payload_utf8(std::move(result.value()));
return connect_message;
}
void VerifyConnectionMessage(const CastMessage& message,
const std::string& source_id,
const std::string& destination_id) {
EXPECT_EQ(message.source_id(), source_id);
EXPECT_EQ(message.destination_id(), destination_id);
EXPECT_EQ(message.namespace_(), kConnectionNamespace);
ASSERT_EQ(message.payload_type(), CastMessage_PayloadType_STRING);
}
Json::Value ParseConnectionMessage(const CastMessage& message) {
openscreen::JsonReader json_reader;
ErrorOr<Json::Value> result = json_reader.Read(message.payload_utf8());
OSP_CHECK(result) << message.payload_utf8();
return result.value();
}
} // namespace
class ConnectionNamespaceHandlerTest : public ::testing::Test {
public:
void SetUp() override {
socket_ = fake_cast_socket_pair_.socket.get();
router_.TakeSocket(&mock_error_handler_,
std::move(fake_cast_socket_pair_.socket));
ON_CALL(vc_policy_, IsConnectionAllowed(_))
.WillByDefault(
Invoke([](const VirtualConnection& virtual_conn) { return true; }));
}
protected:
void ExpectCloseMessage(MockCastSocketClient* mock_client,
const std::string& source_id,
const std::string& destination_id) {
EXPECT_CALL(*mock_client, OnMessage(_, _))
.WillOnce(Invoke([&source_id, &destination_id](CastSocket* socket,
CastMessage message) {
VerifyConnectionMessage(message, source_id, destination_id);
Json::Value value = ParseConnectionMessage(message);
absl::optional<absl::string_view> type = openscreen::MaybeGetString(
value, JSON_EXPAND_FIND_CONSTANT_ARGS(kMessageKeyType));
ASSERT_TRUE(type) << message.payload_utf8();
EXPECT_EQ(type.value(), kMessageTypeClose) << message.payload_utf8();
}));
}
void ExpectConnectedMessage(
MockCastSocketClient* mock_client,
const std::string& source_id,
const std::string& destination_id,
absl::optional<CastMessage_ProtocolVersion> version = absl::nullopt) {
EXPECT_CALL(*mock_client, OnMessage(_, _))
.WillOnce(Invoke([&source_id, &destination_id, version](
CastSocket* socket, CastMessage message) {
VerifyConnectionMessage(message, source_id, destination_id);
Json::Value value = ParseConnectionMessage(message);
absl::optional<absl::string_view> type = openscreen::MaybeGetString(
value, JSON_EXPAND_FIND_CONSTANT_ARGS(kMessageKeyType));
ASSERT_TRUE(type) << message.payload_utf8();
EXPECT_EQ(type.value(), kMessageTypeConnected)
<< message.payload_utf8();
if (version) {
absl::optional<int> message_version = openscreen::MaybeGetInt(
value,
JSON_EXPAND_FIND_CONSTANT_ARGS(kMessageKeyProtocolVersion));
ASSERT_TRUE(message_version) << message.payload_utf8();
EXPECT_EQ(message_version.value(), version.value());
}
}));
}
FakeCastSocketPair fake_cast_socket_pair_;
MockSocketErrorHandler mock_error_handler_;
CastSocket* socket_;
NiceMock<MockVirtualConnectionPolicy> vc_policy_;
VirtualConnectionManager vc_manager_;
VirtualConnectionRouter router_{&vc_manager_};
ConnectionNamespaceHandler connection_namespace_handler_{&vc_manager_,
&vc_policy_};
const std::string sender_id_{"sender-5678"};
const std::string receiver_id_{"receiver-3245"};
};
TEST_F(ConnectionNamespaceHandlerTest, Connect) {
connection_namespace_handler_.OnMessage(
&router_, socket_, MakeConnectMessage(sender_id_, receiver_id_));
EXPECT_TRUE(vc_manager_.GetConnectionData(
VirtualConnection{receiver_id_, sender_id_, socket_->socket_id()}));
EXPECT_CALL(fake_cast_socket_pair_.mock_peer_client, OnMessage(_, _))
.Times(0);
}
TEST_F(ConnectionNamespaceHandlerTest, PolicyDeniesConnection) {
EXPECT_CALL(vc_policy_, IsConnectionAllowed(_))
.WillOnce(
Invoke([](const VirtualConnection& virtual_conn) { return false; }));
ExpectCloseMessage(&fake_cast_socket_pair_.mock_peer_client, receiver_id_,
sender_id_);
connection_namespace_handler_.OnMessage(
&router_, socket_, MakeConnectMessage(sender_id_, receiver_id_));
EXPECT_FALSE(vc_manager_.GetConnectionData(
VirtualConnection{receiver_id_, sender_id_, socket_->socket_id()}));
}
TEST_F(ConnectionNamespaceHandlerTest, ConnectWithVersion) {
ExpectConnectedMessage(&fake_cast_socket_pair_.mock_peer_client, receiver_id_,
sender_id_, CastMessage_ProtocolVersion_CASTV2_1_2);
connection_namespace_handler_.OnMessage(
&router_, socket_,
MakeConnectMessage(sender_id_, receiver_id_,
CastMessage_ProtocolVersion_CASTV2_1_2, {}));
EXPECT_TRUE(vc_manager_.GetConnectionData(
VirtualConnection{receiver_id_, sender_id_, socket_->socket_id()}));
}
TEST_F(ConnectionNamespaceHandlerTest, ConnectWithVersionList) {
ExpectConnectedMessage(&fake_cast_socket_pair_.mock_peer_client, receiver_id_,
sender_id_, CastMessage_ProtocolVersion_CASTV2_1_3);
connection_namespace_handler_.OnMessage(
&router_, socket_,
MakeConnectMessage(sender_id_, receiver_id_,
CastMessage_ProtocolVersion_CASTV2_1_2,
{CastMessage_ProtocolVersion_CASTV2_1_3,
CastMessage_ProtocolVersion_CASTV2_1_0}));
EXPECT_TRUE(vc_manager_.GetConnectionData(
VirtualConnection{receiver_id_, sender_id_, socket_->socket_id()}));
}
TEST_F(ConnectionNamespaceHandlerTest, Close) {
connection_namespace_handler_.OnMessage(
&router_, socket_, MakeConnectMessage(sender_id_, receiver_id_));
EXPECT_TRUE(vc_manager_.GetConnectionData(
VirtualConnection{receiver_id_, sender_id_, socket_->socket_id()}));
connection_namespace_handler_.OnMessage(
&router_, socket_, MakeCloseMessage(sender_id_, receiver_id_));
EXPECT_FALSE(vc_manager_.GetConnectionData(
VirtualConnection{receiver_id_, sender_id_, socket_->socket_id()}));
}
TEST_F(ConnectionNamespaceHandlerTest, CloseUnknown) {
connection_namespace_handler_.OnMessage(
&router_, socket_, MakeConnectMessage(sender_id_, receiver_id_));
EXPECT_TRUE(vc_manager_.GetConnectionData(
VirtualConnection{receiver_id_, sender_id_, socket_->socket_id()}));
connection_namespace_handler_.OnMessage(
&router_, socket_, MakeCloseMessage(sender_id_ + "098", receiver_id_));
EXPECT_TRUE(vc_manager_.GetConnectionData(
VirtualConnection{receiver_id_, sender_id_, socket_->socket_id()}));
}
} // namespace channel
} // namespace cast
|
