start_server {tags {"pubsub"}} {
- test "PUBLISH when no one is listening" {
- assert_equal 0 [r publish chan hello]
+ proc __consume_subscribe_messages {client type channels} {
+ set numsub -1
+ set counts {}
+
+ for {set i [llength $channels]} {$i > 0} {incr i -1} {
+ set msg [$client read]
+ assert_equal $type [lindex $msg 0]
+
+ # when receiving subscribe messages the channels names
+ # are ordered. when receiving unsubscribe messages
+ # they are unordered
+ set idx [lsearch -exact $channels [lindex $msg 1]]
+ if {[string match "*unsubscribe" $type]} {
+ assert {$idx >= 0}
+ } else {
+ assert {$idx == 0}
+ }
+ set channels [lreplace $channels $idx $idx]
+
+ # aggregate the subscription count to return to the caller
+ lappend counts [lindex $msg 2]
+ }
+
+ # we should have received messages for channels
+ assert {[llength $channels] == 0}
+ return $counts
}
- test "SUBSCRIBE basics" {
- set rd1 [redis_deferring_client]
- set rd2 [redis_deferring_client]
+ proc subscribe {client channels} {
+ $client subscribe {*}$channels
+ __consume_subscribe_messages $client subscribe $channels
+ }
+
+ proc unsubscribe {client {channels {}}} {
+ $client unsubscribe {*}$channels
+ __consume_subscribe_messages $client unsubscribe $channels
+ }
+
+ proc psubscribe {client channels} {
+ $client psubscribe {*}$channels
+ __consume_subscribe_messages $client psubscribe $channels
+ }
+
+ proc punsubscribe {client {channels {}}} {
+ $client punsubscribe {*}$channels
+ __consume_subscribe_messages $client punsubscribe $channels
+ }
- # subscribe first client to two channels
- $rd1 subscribe chan1 chan2
- assert_equal {subscribe chan1 1} [$rd1 read]
- assert_equal {subscribe chan2 2} [$rd1 read]
+ test "PUBLISH/SUBSCRIBE basics" {
+ set rd1 [redis_deferring_client]
- # publish on both channels
+ # subscribe to two channels
+ assert_equal {1 2} [subscribe $rd1 {chan1 chan2}]
assert_equal 1 [r publish chan1 hello]
assert_equal 1 [r publish chan2 world]
assert_equal {message chan1 hello} [$rd1 read]
assert_equal {message chan2 world} [$rd1 read]
- # subscribe second client to one channel
- $rd2 subscribe chan1
- assert_equal {subscribe chan1 1} [$rd2 read]
+ # unsubscribe from one of the channels
+ unsubscribe $rd1 {chan1}
+ assert_equal 0 [r publish chan1 hello]
+ assert_equal 1 [r publish chan2 world]
+ assert_equal {message chan2 world} [$rd1 read]
- # publish on channel with two subscribers
+ # unsubscribe from the remaining channel
+ unsubscribe $rd1 {chan2}
+ assert_equal 0 [r publish chan1 hello]
+ assert_equal 0 [r publish chan2 world]
+
+ # clean up clients
+ $rd1 close
+ }
+
+ test "PUBLISH/SUBSCRIBE with two clients" {
+ set rd1 [redis_deferring_client]
+ set rd2 [redis_deferring_client]
+
+ assert_equal {1} [subscribe $rd1 {chan1}]
+ assert_equal {1} [subscribe $rd2 {chan1}]
assert_equal 2 [r publish chan1 hello]
assert_equal {message chan1 hello} [$rd1 read]
assert_equal {message chan1 hello} [$rd2 read]
- # unsubscribe first client from all channels
- $rd1 unsubscribe
- set msg [$rd1 read]
- assert_equal "unsubscribe" [lindex $msg 0]
- assert_match "chan*" [lindex $msg 1]
- assert_match 1 [lindex $msg 2]
- set msg [$rd1 read]
- assert_equal "unsubscribe" [lindex $msg 0]
- assert_match "chan*" [lindex $msg 1]
- assert_match 0 [lindex $msg 2]
-
- # publish on channel with only remaining subscriber
+ # clean up clients
+ $rd1 close
+ $rd2 close
+ }
+
+ test "PUBLISH/SUBSCRIBE after UNSUBSCRIBE without arguments" {
+ set rd1 [redis_deferring_client]
+ assert_equal {1 2 3} [subscribe $rd1 {chan1 chan2 chan3}]
+ unsubscribe $rd1
+ assert_equal 0 [r publish chan1 hello]
+ assert_equal 0 [r publish chan2 hello]
+ assert_equal 0 [r publish chan3 hello]
+
+ # clean up clients
+ $rd1 close
+ }
+
+ test "SUBSCRIBE to one channel more than once" {
+ set rd1 [redis_deferring_client]
+ assert_equal {1 1 1} [subscribe $rd1 {chan1 chan1 chan1}]
assert_equal 1 [r publish chan1 hello]
- assert_equal {message chan1 hello} [$rd2 read]
+ assert_equal {message chan1 hello} [$rd1 read]
+
+ # clean up clients
+ $rd1 close
+ }
+
+ test "UNSUBSCRIBE from non-subscribed channels" {
+ set rd1 [redis_deferring_client]
+ assert_equal {0 0 0} [unsubscribe $rd1 {foo bar quux}]
+
+ # clean up clients
+ $rd1 close
+ }
+
+ test "PUBLISH/PSUBSCRIBE basics" {
+ set rd1 [redis_deferring_client]
+
+ # subscribe to two patterns
+ assert_equal {1 2} [psubscribe $rd1 {foo.* bar.*}]
+ assert_equal 1 [r publish foo.1 hello]
+ assert_equal 1 [r publish bar.1 hello]
+ assert_equal 0 [r publish foo1 hello]
+ assert_equal 0 [r publish barfoo.1 hello]
+ assert_equal 0 [r publish qux.1 hello]
+ assert_equal {pmessage foo.* foo.1 hello} [$rd1 read]
+ assert_equal {pmessage bar.* bar.1 hello} [$rd1 read]
+
+ # unsubscribe from one of the patterns
+ assert_equal {1} [punsubscribe $rd1 {foo.*}]
+ assert_equal 0 [r publish foo.1 hello]
+ assert_equal 1 [r publish bar.1 hello]
+ assert_equal {pmessage bar.* bar.1 hello} [$rd1 read]
+
+ # unsubscribe from the remaining pattern
+ assert_equal {0} [punsubscribe $rd1 {bar.*}]
+ assert_equal 0 [r publish foo.1 hello]
+ assert_equal 0 [r publish bar.1 hello]
+
+ # clean up clients
+ $rd1 close
+ }
+
+ test "PUBLISH/PSUBSCRIBE with two clients" {
+ set rd1 [redis_deferring_client]
+ set rd2 [redis_deferring_client]
+
+ assert_equal {1} [psubscribe $rd1 {chan.*}]
+ assert_equal {1} [psubscribe $rd2 {chan.*}]
+ assert_equal 2 [r publish chan.foo hello]
+ assert_equal {pmessage chan.* chan.foo hello} [$rd1 read]
+ assert_equal {pmessage chan.* chan.foo hello} [$rd2 read]
+
+ # clean up clients
+ $rd1 close
+ $rd2 close
+ }
+
+ test "PUBLISH/PSUBSCRIBE after PUNSUBSCRIBE without arguments" {
+ set rd1 [redis_deferring_client]
+ assert_equal {1 2 3} [psubscribe $rd1 {chan1.* chan2.* chan3.*}]
+ punsubscribe $rd1
+ assert_equal 0 [r publish chan1.hi hello]
+ assert_equal 0 [r publish chan2.hi hello]
+ assert_equal 0 [r publish chan3.hi hello]
+
+ # clean up clients
+ $rd1 close
+ }
+
+ test "PUNSUBSCRIBE from non-subscribed channels" {
+ set rd1 [redis_deferring_client]
+ assert_equal {0 0 0} [punsubscribe $rd1 {foo.* bar.* quux.*}]
+
+ # clean up clients
+ $rd1 close
+ }
+
+ test "Mix SUBSCRIBE and PSUBSCRIBE" {
+ set rd1 [redis_deferring_client]
+ assert_equal {1} [subscribe $rd1 {foo.bar}]
+ assert_equal {2} [psubscribe $rd1 {foo.*}]
+
+ assert_equal 2 [r publish foo.bar hello]
+ assert_equal {message foo.bar hello} [$rd1 read]
+ assert_equal {pmessage foo.* foo.bar hello} [$rd1 read]
+
+ # clean up clients
+ $rd1 close
}
}
\ No newline at end of file