summaryrefslogtreecommitdiffstats
path: root/tests/unit/moduleapi/hooks.tcl
blob: 6e79f942e4ea822a09f7c2757979ae00fb2a4db7 (plain)
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
set testmodule [file normalize tests/modules/hooks.so]

tags "modules" {
    start_server [list overrides [list loadmodule "$testmodule" appendonly yes]] {
        test {Test module aof save on server start from empty} {
            assert {[r hooks.event_count persistence-syncaof-start] == 1}
        }

        test {Test clients connection / disconnection hooks} {
            for {set j 0} {$j < 2} {incr j} {
                set rd1 [redis_deferring_client]
                $rd1 close
            }
            assert {[r hooks.event_count client-connected] > 1}
            assert {[r hooks.event_count client-disconnected] > 1}
        }

        test {Test module client change event for blocked client} {
            set rd [redis_deferring_client]
            # select db other than 0
            $rd select 1
            # block on key
            $rd brpop foo 0
            # kill blocked client
            r client kill skipme yes
            # assert server is still up
            assert_equal [r ping] PONG
            $rd close
        } 

        test {Test module cron hook} {
            after 100
            assert {[r hooks.event_count cron-loop] > 0}
            set hz [r hooks.event_last cron-loop]
            assert_equal $hz 10
        }

        test {Test module loaded / unloaded hooks} {
            set othermodule [file normalize tests/modules/infotest.so]
            r module load $othermodule
            r module unload infotest
            assert_equal [r hooks.event_last module-loaded] "infotest"
            assert_equal [r hooks.event_last module-unloaded] "infotest"
        }

        test {Test module aofrw hook} {
            r debug populate 1000 foo 10000 ;# 10mb worth of data
            r config set rdbcompression no ;# rdb progress is only checked once in 2mb
            r BGREWRITEAOF
            waitForBgrewriteaof r
            assert_equal [string match {*module-event-persistence-aof-start*} [exec tail -20 < [srv 0 stdout]]] 1
            assert_equal [string match {*module-event-persistence-end*} [exec tail -20 < [srv 0 stdout]]] 1
        }

        test {Test module aof load and rdb/aof progress hooks} {
            # create some aof tail (progress is checked only once in 1000 commands)
            for {set j 0} {$j < 4000} {incr j} {
                r set "bar$j" x
            }
            # set some configs that will cause many loading progress events during aof loading
            r config set key-load-delay 500
            r config set dynamic-hz no
            r config set hz 500
            r DEBUG LOADAOF
            assert_equal [r hooks.event_last loading-aof-start] 0
            assert_equal [r hooks.event_last loading-end] 0
            assert {[r hooks.event_count loading-rdb-start] == 0}
            assert_lessthan 2 [r hooks.event_count loading-progress-rdb] ;# comes from the preamble section
            assert_lessthan 2 [r hooks.event_count loading-progress-aof]
            if {$::verbose} {
                puts "rdb progress events [r hooks.event_count loading-progress-rdb]"
                puts "aof progress events [r hooks.event_count loading-progress-aof]"
            }
        }
        # undo configs before next test
        r config set dynamic-hz yes
        r config set key-load-delay 0

        test {Test module rdb save hook} {
            # debug reload does: save, flush, load:
            assert {[r hooks.event_count persistence-syncrdb-start] == 0}
            assert {[r hooks.event_count loading-rdb-start] == 0}
            r debug reload
            assert {[r hooks.event_count persistence-syncrdb-start] == 1}
            assert {[r hooks.event_count loading-rdb-start] == 1}
        }

        test {Test flushdb hooks} {
            r flushdb
            assert_equal [r hooks.event_last flush-start] 9
            assert_equal [r hooks.event_last flush-end] 9
            r flushall
            assert_equal [r hooks.event_last flush-start] -1
            assert_equal [r hooks.event_last flush-end] -1
        }

        # replication related tests
        set master [srv 0 client]
        set master_host [srv 0 host]
        set master_port [srv 0 port]
        start_server {} {
            r module load $testmodule
            set replica [srv 0 client]
            set replica_host [srv 0 host]
            set replica_port [srv 0 port]
            $replica replicaof $master_host $master_port

            wait_replica_online $master

            test {Test master link up hook} {
                assert_equal [r hooks.event_count masterlink-up] 1
                assert_equal [r hooks.event_count masterlink-down] 0
            }

            test {Test role-replica hook} {
                assert_equal [r hooks.event_count role-replica] 1
                assert_equal [r hooks.event_count role-master] 0
                assert_equal [r hooks.event_last role-replica] [s 0 master_host]
            }

            test {Test replica-online hook} {
                assert_equal [r -1 hooks.event_count replica-online] 1
                assert_equal [r -1 hooks.event_count replica-offline] 0
            }

            test {Test master link down hook} {
                r client kill type master
                assert_equal [r hooks.event_count masterlink-down] 1

                wait_for_condition 50 100 {
                    [string match {*master_link_status:up*} [r info replication]]
                } else {
                    fail "Replica didn't reconnect"
                }

                assert_equal [r hooks.event_count masterlink-down] 1
                assert_equal [r hooks.event_count masterlink-up] 2
            }

            wait_for_condition 50 10 {
                [string match {*master_link_status:up*} [r info replication]]
            } else {
                fail "Can't turn the instance into a replica"
            }

            $replica replicaof no one

            test {Test role-master hook} {
                assert_equal [r hooks.event_count role-replica] 1
                assert_equal [r hooks.event_count role-master] 1
                assert_equal [r hooks.event_last role-master] {}
            }

            test {Test replica-offline hook} {
                assert_equal [r -1 hooks.event_count replica-online] 2
                assert_equal [r -1 hooks.event_count replica-offline] 2
            }
            # get the replica stdout, to be used by the next test
            set replica_stdout [srv 0 stdout]
        }

        test {Test swapdb hooks} {
            r swapdb 0 10
            assert_equal [r hooks.event_last swapdb-first] 0
            assert_equal [r hooks.event_last swapdb-second] 10
        }

        test {Test configchange hooks} {
            r config set rdbcompression no 
            assert_equal [r hooks.event_last config-change-count] 1
            assert_equal [r hooks.event_last config-change-first] rdbcompression
        }

        # look into the log file of the server that just exited
        test {Test shutdown hook} {
            assert_equal [string match {*module-event-shutdown*} [exec tail -5 < $replica_stdout]] 1
        }
    }
}