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
230
231
232
233
234
235
236
|
/******************************************************************************
**
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtMqtt module.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
******************************************************************************/
#include "broker_connection.h"
#include <QtCore/QString>
#include <QtTest/QtTest>
#include <QtTest/QSignalSpy>
#include <QtMqtt/QMqttClient>
#include <QtMqtt/QMqttSubscription>
class Tst_QMqttSubscription : public QObject
{
Q_OBJECT
public:
Tst_QMqttSubscription();
private Q_SLOTS:
void initTestCase();
void cleanupTestCase();
void getSetCheck();
void wildCards_data();
void wildCards();
void reconnect_data();
void reconnect();
private:
QProcess m_brokerProcess;
QString m_testBroker;
quint16 m_port{1883};
};
Tst_QMqttSubscription::Tst_QMqttSubscription()
{
}
void Tst_QMqttSubscription::initTestCase()
{
m_testBroker = invokeOrInitializeBroker(&m_brokerProcess);
if (m_testBroker.isEmpty())
qFatal("No MQTT broker present to test against.");
}
void Tst_QMqttSubscription::cleanupTestCase()
{
}
void Tst_QMqttSubscription::getSetCheck()
{
}
void Tst_QMqttSubscription::wildCards_data()
{
QTest::addColumn<QMqttClient::ProtocolVersion>("mqttVersion");
QTest::addColumn<QString>("subscription");
QTest::addColumn<int>("expectedReceival");
QList<QMqttClient::ProtocolVersion> versions{QMqttClient::MQTT_3_1_1, QMqttClient::MQTT_5_0};
for (int i = 0; i < 2; ++i) {
QTest::newRow(qPrintable(QString::number(versions[i]) + ":#")) << versions[i] << "Qt/#" << 6;
QTest::newRow(qPrintable(QString::number(versions[i]) + ":Qt/a/b/c/d/e/f")) << versions[i] << "Qt/a/b/c/d/e/f" << 1;
QTest::newRow(qPrintable(QString::number(versions[i]) + ":Qt/+/b/c/d/e/f")) << versions[i] << "Qt/+/b/c/d/e/f" << 1;
QTest::newRow(qPrintable(QString::number(versions[i]) + ":Qt/a/+/c/d/e/f")) << versions[i] << "Qt/a/+/c/d/e/f" << 1;
QTest::newRow(qPrintable(QString::number(versions[i]) + ":Qt/a/b/+/d/e/f")) << versions[i] << "Qt/a/b/+/d/e/f" << 1;
QTest::newRow(qPrintable(QString::number(versions[i]) + ":Qt/a/b/c/+/e/f")) << versions[i] << "Qt/a/b/c/+/e/f" << 1;
QTest::newRow(qPrintable(QString::number(versions[i]) + ":Qt/a/b/c/d/+/f")) << versions[i] << "Qt/a/b/c/d/+/f" << 1;
QTest::newRow(qPrintable(QString::number(versions[i]) + ":Qt/a/b/c/d/e/+")) << versions[i] << "Qt/a/b/c/d/e/+" << 1;
QTest::newRow(qPrintable(QString::number(versions[i]) + ":Qt/+/b/+/d/e/+")) << versions[i] << "Qt/+/b/+/d/e/+" << 1;
QTest::newRow(qPrintable(QString::number(versions[i]) + ":Qt/a/+")) << versions[i] << "Qt/a/+" << 1;
QTest::newRow(qPrintable(QString::number(versions[i]) + ":Qt/a/+/c")) << versions[i] << "Qt/a/+/c" << 1;
}
}
void Tst_QMqttSubscription::wildCards()
{
QFETCH(QMqttClient::ProtocolVersion, mqttVersion);
QFETCH(QString, subscription);
QFETCH(int, expectedReceival);
VersionClient(mqttVersion, client);
client.setHostname(m_testBroker);
client.setPort(m_port);
client.connectToHost();
QTRY_VERIFY2(client.state() == QMqttClient::Connected, "Could not connect to broker.");
VersionClient(mqttVersion, publisher);
publisher.setHostname(m_testBroker);
publisher.setPort(m_port);
publisher.connectToHost();
QTRY_VERIFY2(publisher.state() == QMqttClient::Connected, "Could not connect to broker.");
auto sub = client.subscribe(subscription, 1);
QTRY_VERIFY2(sub->state() == QMqttSubscription::Subscribed, "Could not subscribe to topic.");
QSignalSpy receivalSpy(sub, SIGNAL(messageReceived(QMqttMessage)));
QStringList topics;
topics << "Qt/a"
<< "Qt/a/b"
<< "Qt/a/b/c"
<< "Qt/a/b/c/d"
<< "Qt/a/b/c/d/e"
<< "Qt/a/b/c/d/e/f";
for (auto t : topics) {
QSignalSpy spy(&publisher, SIGNAL(messageSent(qint32)));
publisher.publish(t, "Some arbitrary message", 1);
QTRY_VERIFY2(spy.size() == 1, "Could not publish message.");
}
if (expectedReceival > 0) {
QTRY_VERIFY2(receivalSpy.size() == expectedReceival, "Did not receive sufficient messages.");
// So far we only tested we got enough, now verify we do not get too many
QTest::qWait(1000);
QVERIFY2(receivalSpy.size() == expectedReceival, "Received too many messages.");
}
client.disconnectFromHost();
QTRY_VERIFY2(client.state() == QMqttClient::Disconnected, "Could not disconnect.");
publisher.disconnectFromHost();
QTRY_VERIFY2(publisher.state() == QMqttClient::Disconnected, "Could not disconnect.");
}
DefaultVersionTestData(Tst_QMqttSubscription::reconnect_data)
void Tst_QMqttSubscription::reconnect()
{
QFETCH(QMqttClient::ProtocolVersion, mqttVersion);
// ### TODO: Should work with MQTT5, no?
if (mqttVersion == QMqttClient::MQTT_5_0)
QSKIP("Test does not work with MQTT5");
// QTBUG-64042
// - Connect with clean session
VersionClient(mqttVersion, client);
client.setHostname(m_testBroker);
client.setPort(m_port);
client.setCleanSession(true);
client.connectToHost();
QTRY_VERIFY2(client.state() == QMqttClient::Connected, "Could not connect to broker.");
// - Subscribe to topic A
const QString subscription("topics/resub");
auto sub = client.subscribe(subscription, 1);
QTRY_VERIFY2(sub->state() == QMqttSubscription::Subscribed, "Could not subscribe to topic.");
// - Loose connection / connection drop
QAbstractSocket *transport = qobject_cast<QAbstractSocket *>(client.transport());
QVERIFY2(transport, "Transport has to be QAbstractSocket-based.");
transport->disconnectFromHost();
QTRY_VERIFY2(client.state() == QMqttClient::Disconnected, "State not correctly switched.");
// - Reconnect (keeping cleansession)
client.connectToHost();
QTRY_VERIFY2(client.state() == QMqttClient::Connected, "Could not connect to broker.");
// old subs should get updated / invalidated
QCOMPARE(sub->state(), QMqttSubscription::Unsubscribed);
// - Resubscribe
auto reSub = client.subscribe(subscription, 1);
QTRY_VERIFY2(reSub->state() == QMqttSubscription::Subscribed, "Could not re-subscribe to topic.");
QSignalSpy receivalSpy(reSub, SIGNAL(messageReceived(QMqttMessage)));
QSignalSpy pubSpy(&client, SIGNAL(messageSent(qint32)));
client.publish(subscription, "Sending after reconnect 1", 1);
QTRY_VERIFY2(pubSpy.size() == 1, "Could not publish message.");
QTRY_VERIFY2(receivalSpy.size() == 1, "Did not receive message on re-subscribe.");
// - Loose connection / connection drop
transport = qobject_cast<QAbstractSocket *>(client.transport());
QVERIFY2(transport, "Transport has to be QAbstractSocket-based.");
transport->disconnectFromHost();
QTRY_VERIFY2(client.state() == QMqttClient::Disconnected, "State not correctly switched.");
// - Reconnect (no cleansession)
QSignalSpy restoredSpy(&client, SIGNAL(brokerSessionRestored()));
client.setCleanSession(false);
client.connectToHost();
QTRY_VERIFY2(client.state() == QMqttClient::Connected, "Could not connect to broker.");
// Could not identify a broker doing this. The specs states:
// [MQTT-4.1.0-1] The Client and Server MUST store Session state for the entire
// duration of the Session.
// [MQTT-4.1.0-2] A Session MUST last at least as long it has an active Network Connection.
// All testbrokers delete the session at transport disconnect, regardless of DISCONNECT been
// send before or not.
if (restoredSpy.count() > 0) {
QCOMPARE(reSub->state(), QMqttSubscription::Subscribed);
pubSpy.clear();
receivalSpy.clear();
client.publish(subscription, "Sending after reconnect 2", 1);
QTRY_VERIFY2(pubSpy.size() == 1, "Could not publish message.");
QTRY_VERIFY2(receivalSpy.size() == 1, "Did not receive message on re-subscribe.");
} else {
// No need to test this
qDebug() << "Test broker does not support long-livety sessions.";
}
// - Old subscription is still active
client.disconnectFromHost();
QTRY_VERIFY2(client.state() == QMqttClient::Disconnected, "Could not disconnect.");
}
QTEST_MAIN(Tst_QMqttSubscription)
#include "tst_qmqttsubscription.moc"
|
