312 lines
11 KiB
Tcl
312 lines
11 KiB
Tcl
start_server {tags {"dump"}} {
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test {DUMP / RESTORE are able to serialize / unserialize a simple key} {
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r set foo bar
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set encoded [r dump foo]
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r del foo
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list [r exists foo] [r restore foo 0 $encoded] [r ttl foo] [r get foo]
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} {0 OK -1 bar}
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test {RESTORE can set an arbitrary expire to the materialized key} {
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r set foo bar
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set encoded [r dump foo]
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r del foo
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r restore foo 5000 $encoded
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set ttl [r pttl foo]
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assert {$ttl >= 3000 && $ttl <= 5000}
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r get foo
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} {bar}
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test {RESTORE can set an expire that overflows a 32 bit integer} {
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r set foo bar
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set encoded [r dump foo]
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r del foo
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r restore foo 2569591501 $encoded
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set ttl [r pttl foo]
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assert {$ttl >= (2569591501-3000) && $ttl <= 2569591501}
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r get foo
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} {bar}
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test {RESTORE returns an error of the key already exists} {
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r set foo bar
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set e {}
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catch {r restore foo 0 "..."} e
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set e
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} {*BUSYKEY*}
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test {RESTORE can overwrite an existing key with REPLACE} {
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r set foo bar1
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set encoded1 [r dump foo]
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r set foo bar2
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set encoded2 [r dump foo]
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r del foo
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r restore foo 0 $encoded1
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r restore foo 0 $encoded2 replace
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r get foo
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} {bar2}
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test {RESTORE can detect a syntax error for unrecongized options} {
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catch {r restore foo 0 "..." invalid-option} e
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set e
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} {*syntax*}
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test {DUMP of non existing key returns nil} {
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r dump nonexisting_key
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} {}
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test {MIGRATE is caching connections} {
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# Note, we run this as first test so that the connection cache
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# is empty.
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set first [srv 0 client]
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r set key "Some Value"
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start_server {tags {"repl"}} {
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set second [srv 0 client]
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set second_host [srv 0 host]
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set second_port [srv 0 port]
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assert_match {*migrate_cached_sockets:0*} [r -1 info]
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r -1 migrate $second_host $second_port key 9 1000
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assert_match {*migrate_cached_sockets:1*} [r -1 info]
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}
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}
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test {MIGRATE cached connections are released after some time} {
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after 15000
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assert_match {*migrate_cached_sockets:0*} [r info]
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}
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test {MIGRATE is able to migrate a key between two instances} {
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set first [srv 0 client]
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r set key "Some Value"
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start_server {tags {"repl"}} {
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set second [srv 0 client]
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set second_host [srv 0 host]
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set second_port [srv 0 port]
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assert {[$first exists key] == 1}
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assert {[$second exists key] == 0}
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set ret [r -1 migrate $second_host $second_port key 9 5000]
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assert {$ret eq {OK}}
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assert {[$first exists key] == 0}
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assert {[$second exists key] == 1}
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assert {[$second get key] eq {Some Value}}
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assert {[$second ttl key] == -1}
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}
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}
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test {MIGRATE is able to copy a key between two instances} {
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set first [srv 0 client]
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r del list
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r lpush list a b c d
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start_server {tags {"repl"}} {
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set second [srv 0 client]
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set second_host [srv 0 host]
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set second_port [srv 0 port]
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assert {[$first exists list] == 1}
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assert {[$second exists list] == 0}
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set ret [r -1 migrate $second_host $second_port list 9 5000 copy]
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assert {$ret eq {OK}}
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assert {[$first exists list] == 1}
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assert {[$second exists list] == 1}
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assert {[$first lrange list 0 -1] eq [$second lrange list 0 -1]}
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}
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}
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test {MIGRATE will not overwrite existing keys, unless REPLACE is used} {
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set first [srv 0 client]
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r del list
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r lpush list a b c d
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start_server {tags {"repl"}} {
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set second [srv 0 client]
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set second_host [srv 0 host]
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set second_port [srv 0 port]
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assert {[$first exists list] == 1}
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assert {[$second exists list] == 0}
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$second set list somevalue
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catch {r -1 migrate $second_host $second_port list 9 5000 copy} e
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assert_match {ERR*} $e
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set res [r -1 migrate $second_host $second_port list 9 5000 copy replace]
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assert {$ret eq {OK}}
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assert {[$first exists list] == 1}
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assert {[$second exists list] == 1}
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assert {[$first lrange list 0 -1] eq [$second lrange list 0 -1]}
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}
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}
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test {MIGRATE propagates TTL correctly} {
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set first [srv 0 client]
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r set key "Some Value"
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start_server {tags {"repl"}} {
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set second [srv 0 client]
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set second_host [srv 0 host]
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set second_port [srv 0 port]
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assert {[$first exists key] == 1}
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assert {[$second exists key] == 0}
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$first expire key 10
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set ret [r -1 migrate $second_host $second_port key 9 5000]
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assert {$ret eq {OK}}
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assert {[$first exists key] == 0}
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assert {[$second exists key] == 1}
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assert {[$second get key] eq {Some Value}}
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assert {[$second ttl key] >= 7 && [$second ttl key] <= 10}
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}
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}
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test {MIGRATE can correctly transfer large values} {
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set first [srv 0 client]
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r del key
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for {set j 0} {$j < 40000} {incr j} {
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r rpush key 1 2 3 4 5 6 7 8 9 10
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r rpush key "item 1" "item 2" "item 3" "item 4" "item 5" \
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"item 6" "item 7" "item 8" "item 9" "item 10"
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}
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assert {[string length [r dump key]] > (1024*64)}
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start_server {tags {"repl"}} {
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set second [srv 0 client]
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set second_host [srv 0 host]
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set second_port [srv 0 port]
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assert {[$first exists key] == 1}
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assert {[$second exists key] == 0}
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set ret [r -1 migrate $second_host $second_port key 9 10000]
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assert {$ret eq {OK}}
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assert {[$first exists key] == 0}
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assert {[$second exists key] == 1}
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assert {[$second ttl key] == -1}
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assert {[$second llen key] == 40000*20}
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}
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}
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test {MIGRATE can correctly transfer hashes} {
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set first [srv 0 client]
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r del key
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r hmset key field1 "item 1" field2 "item 2" field3 "item 3" \
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field4 "item 4" field5 "item 5" field6 "item 6"
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start_server {tags {"repl"}} {
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set second [srv 0 client]
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set second_host [srv 0 host]
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set second_port [srv 0 port]
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assert {[$first exists key] == 1}
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assert {[$second exists key] == 0}
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set ret [r -1 migrate $second_host $second_port key 9 10000]
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assert {$ret eq {OK}}
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assert {[$first exists key] == 0}
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assert {[$second exists key] == 1}
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assert {[$second ttl key] == -1}
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}
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}
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test {MIGRATE timeout actually works} {
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set first [srv 0 client]
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r set key "Some Value"
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start_server {tags {"repl"}} {
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set second [srv 0 client]
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set second_host [srv 0 host]
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set second_port [srv 0 port]
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assert {[$first exists key] == 1}
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assert {[$second exists key] == 0}
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set rd [redis_deferring_client]
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$rd debug sleep 1.0 ; # Make second server unable to reply.
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set e {}
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catch {r -1 migrate $second_host $second_port key 9 500} e
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assert_match {IOERR*} $e
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}
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}
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test {MIGRATE can migrate multiple keys at once} {
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set first [srv 0 client]
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r set key1 "v1"
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r set key2 "v2"
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r set key3 "v3"
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start_server {tags {"repl"}} {
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set second [srv 0 client]
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set second_host [srv 0 host]
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set second_port [srv 0 port]
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assert {[$first exists key1] == 1}
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assert {[$second exists key1] == 0}
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set ret [r -1 migrate $second_host $second_port "" 9 5000 keys key1 key2 key3]
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assert {$ret eq {OK}}
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assert {[$first exists key1] == 0}
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assert {[$first exists key2] == 0}
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assert {[$first exists key3] == 0}
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assert {[$second get key1] eq {v1}}
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assert {[$second get key2] eq {v2}}
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assert {[$second get key3] eq {v3}}
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}
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}
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test {MIGRATE with multiple keys must have empty key arg} {
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catch {r MIGRATE 127.0.0.1 6379 NotEmpty 9 5000 keys a b c} e
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set e
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} {*empty string*}
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test {MIGRATE with multiple keys migrate just existing ones} {
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set first [srv 0 client]
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r set key1 "v1"
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r set key2 "v2"
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r set key3 "v3"
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start_server {tags {"repl"}} {
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set second [srv 0 client]
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set second_host [srv 0 host]
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set second_port [srv 0 port]
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set ret [r -1 migrate $second_host $second_port "" 9 5000 keys nokey-1 nokey-2 nokey-2]
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assert {$ret eq {NOKEY}}
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assert {[$first exists key1] == 1}
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assert {[$second exists key1] == 0}
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set ret [r -1 migrate $second_host $second_port "" 9 5000 keys nokey-1 key1 nokey-2 key2 nokey-3 key3]
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assert {$ret eq {OK}}
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assert {[$first exists key1] == 0}
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assert {[$first exists key2] == 0}
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assert {[$first exists key3] == 0}
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assert {[$second get key1] eq {v1}}
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assert {[$second get key2] eq {v2}}
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assert {[$second get key3] eq {v3}}
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}
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}
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test {MIGRATE with multiple keys: stress command rewriting} {
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set first [srv 0 client]
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r flushdb
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r mset a 1 b 2 c 3 d 4 c 5 e 6 f 7 g 8 h 9 i 10 l 11 m 12 n 13 o 14 p 15 q 16
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start_server {tags {"repl"}} {
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set second [srv 0 client]
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set second_host [srv 0 host]
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set second_port [srv 0 port]
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set ret [r -1 migrate $second_host $second_port "" 9 5000 keys a b c d e f g h i l m n o p q]
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assert {[$first dbsize] == 0}
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assert {[$second dbsize] == 15}
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}
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}
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test {MIGRATE with multiple keys: delete just ack keys} {
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set first [srv 0 client]
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r flushdb
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r mset a 1 b 2 c 3 d 4 c 5 e 6 f 7 g 8 h 9 i 10 l 11 m 12 n 13 o 14 p 15 q 16
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start_server {tags {"repl"}} {
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set second [srv 0 client]
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set second_host [srv 0 host]
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set second_port [srv 0 port]
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$second mset c _ d _; # Two busy keys and no REPLACE used
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catch {r -1 migrate $second_host $second_port "" 9 5000 keys a b c d e f g h i l m n o p q} e
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assert {[$first dbsize] == 2}
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assert {[$second dbsize] == 15}
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assert {[$first exists c] == 1}
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assert {[$first exists d] == 1}
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}
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}
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}
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