xref: /redis-3.2.3/tests/unit/pubsub.tcl (revision 40f822da)
1start_server {tags {"pubsub"}} {
2    proc __consume_subscribe_messages {client type channels} {
3        set numsub -1
4        set counts {}
5
6        for {set i [llength $channels]} {$i > 0} {incr i -1} {
7            set msg [$client read]
8            assert_equal $type [lindex $msg 0]
9
10            # when receiving subscribe messages the channels names
11            # are ordered. when receiving unsubscribe messages
12            # they are unordered
13            set idx [lsearch -exact $channels [lindex $msg 1]]
14            if {[string match "*unsubscribe" $type]} {
15                assert {$idx >= 0}
16            } else {
17                assert {$idx == 0}
18            }
19            set channels [lreplace $channels $idx $idx]
20
21            # aggregate the subscription count to return to the caller
22            lappend counts [lindex $msg 2]
23        }
24
25        # we should have received messages for channels
26        assert {[llength $channels] == 0}
27        return $counts
28    }
29
30    proc subscribe {client channels} {
31        $client subscribe {*}$channels
32        __consume_subscribe_messages $client subscribe $channels
33    }
34
35    proc unsubscribe {client {channels {}}} {
36        $client unsubscribe {*}$channels
37        __consume_subscribe_messages $client unsubscribe $channels
38    }
39
40    proc psubscribe {client channels} {
41        $client psubscribe {*}$channels
42        __consume_subscribe_messages $client psubscribe $channels
43    }
44
45    proc punsubscribe {client {channels {}}} {
46        $client punsubscribe {*}$channels
47        __consume_subscribe_messages $client punsubscribe $channels
48    }
49
50    test "PUBLISH/SUBSCRIBE basics" {
51        set rd1 [redis_deferring_client]
52
53        # subscribe to two channels
54        assert_equal {1 2} [subscribe $rd1 {chan1 chan2}]
55        assert_equal 1 [r publish chan1 hello]
56        assert_equal 1 [r publish chan2 world]
57        assert_equal {message chan1 hello} [$rd1 read]
58        assert_equal {message chan2 world} [$rd1 read]
59
60        # unsubscribe from one of the channels
61        unsubscribe $rd1 {chan1}
62        assert_equal 0 [r publish chan1 hello]
63        assert_equal 1 [r publish chan2 world]
64        assert_equal {message chan2 world} [$rd1 read]
65
66        # unsubscribe from the remaining channel
67        unsubscribe $rd1 {chan2}
68        assert_equal 0 [r publish chan1 hello]
69        assert_equal 0 [r publish chan2 world]
70
71        # clean up clients
72        $rd1 close
73    }
74
75    test "PUBLISH/SUBSCRIBE with two clients" {
76        set rd1 [redis_deferring_client]
77        set rd2 [redis_deferring_client]
78
79        assert_equal {1} [subscribe $rd1 {chan1}]
80        assert_equal {1} [subscribe $rd2 {chan1}]
81        assert_equal 2 [r publish chan1 hello]
82        assert_equal {message chan1 hello} [$rd1 read]
83        assert_equal {message chan1 hello} [$rd2 read]
84
85        # clean up clients
86        $rd1 close
87        $rd2 close
88    }
89
90    test "PUBLISH/SUBSCRIBE after UNSUBSCRIBE without arguments" {
91        set rd1 [redis_deferring_client]
92        assert_equal {1 2 3} [subscribe $rd1 {chan1 chan2 chan3}]
93        unsubscribe $rd1
94        assert_equal 0 [r publish chan1 hello]
95        assert_equal 0 [r publish chan2 hello]
96        assert_equal 0 [r publish chan3 hello]
97
98        # clean up clients
99        $rd1 close
100    }
101
102    test "SUBSCRIBE to one channel more than once" {
103        set rd1 [redis_deferring_client]
104        assert_equal {1 1 1} [subscribe $rd1 {chan1 chan1 chan1}]
105        assert_equal 1 [r publish chan1 hello]
106        assert_equal {message chan1 hello} [$rd1 read]
107
108        # clean up clients
109        $rd1 close
110    }
111
112    test "UNSUBSCRIBE from non-subscribed channels" {
113        set rd1 [redis_deferring_client]
114        assert_equal {0 0 0} [unsubscribe $rd1 {foo bar quux}]
115
116        # clean up clients
117        $rd1 close
118    }
119
120    test "PUBLISH/PSUBSCRIBE basics" {
121        set rd1 [redis_deferring_client]
122
123        # subscribe to two patterns
124        assert_equal {1 2} [psubscribe $rd1 {foo.* bar.*}]
125        assert_equal 1 [r publish foo.1 hello]
126        assert_equal 1 [r publish bar.1 hello]
127        assert_equal 0 [r publish foo1 hello]
128        assert_equal 0 [r publish barfoo.1 hello]
129        assert_equal 0 [r publish qux.1 hello]
130        assert_equal {pmessage foo.* foo.1 hello} [$rd1 read]
131        assert_equal {pmessage bar.* bar.1 hello} [$rd1 read]
132
133        # unsubscribe from one of the patterns
134        assert_equal {1} [punsubscribe $rd1 {foo.*}]
135        assert_equal 0 [r publish foo.1 hello]
136        assert_equal 1 [r publish bar.1 hello]
137        assert_equal {pmessage bar.* bar.1 hello} [$rd1 read]
138
139        # unsubscribe from the remaining pattern
140        assert_equal {0} [punsubscribe $rd1 {bar.*}]
141        assert_equal 0 [r publish foo.1 hello]
142        assert_equal 0 [r publish bar.1 hello]
143
144        # clean up clients
145        $rd1 close
146    }
147
148    test "PUBLISH/PSUBSCRIBE with two clients" {
149        set rd1 [redis_deferring_client]
150        set rd2 [redis_deferring_client]
151
152        assert_equal {1} [psubscribe $rd1 {chan.*}]
153        assert_equal {1} [psubscribe $rd2 {chan.*}]
154        assert_equal 2 [r publish chan.foo hello]
155        assert_equal {pmessage chan.* chan.foo hello} [$rd1 read]
156        assert_equal {pmessage chan.* chan.foo hello} [$rd2 read]
157
158        # clean up clients
159        $rd1 close
160        $rd2 close
161    }
162
163    test "PUBLISH/PSUBSCRIBE after PUNSUBSCRIBE without arguments" {
164        set rd1 [redis_deferring_client]
165        assert_equal {1 2 3} [psubscribe $rd1 {chan1.* chan2.* chan3.*}]
166        punsubscribe $rd1
167        assert_equal 0 [r publish chan1.hi hello]
168        assert_equal 0 [r publish chan2.hi hello]
169        assert_equal 0 [r publish chan3.hi hello]
170
171        # clean up clients
172        $rd1 close
173    }
174
175    test "PUNSUBSCRIBE from non-subscribed channels" {
176        set rd1 [redis_deferring_client]
177        assert_equal {0 0 0} [punsubscribe $rd1 {foo.* bar.* quux.*}]
178
179        # clean up clients
180        $rd1 close
181    }
182
183    test "Mix SUBSCRIBE and PSUBSCRIBE" {
184        set rd1 [redis_deferring_client]
185        assert_equal {1} [subscribe $rd1 {foo.bar}]
186        assert_equal {2} [psubscribe $rd1 {foo.*}]
187
188        assert_equal 2 [r publish foo.bar hello]
189        assert_equal {message foo.bar hello} [$rd1 read]
190        assert_equal {pmessage foo.* foo.bar hello} [$rd1 read]
191
192        # clean up clients
193        $rd1 close
194    }
195
196    test "PUNSUBSCRIBE and UNSUBSCRIBE should always reply." {
197        # Make sure we are not subscribed to any channel at all.
198        r punsubscribe
199        r unsubscribe
200        # Now check if the commands still reply correctly.
201        set reply1 [r punsubscribe]
202        set reply2 [r unsubscribe]
203        concat $reply1 $reply2
204    } {punsubscribe {} 0 unsubscribe {} 0}
205}
206