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-rw-r--r--tests/unit/functions.tcl1233
1 files changed, 1233 insertions, 0 deletions
diff --git a/tests/unit/functions.tcl b/tests/unit/functions.tcl
new file mode 100644
index 0000000..9e8ec08
--- /dev/null
+++ b/tests/unit/functions.tcl
@@ -0,0 +1,1233 @@
+proc get_function_code {args} {
+ return [format "#!%s name=%s\nredis.register_function('%s', function(KEYS, ARGV)\n %s \nend)" [lindex $args 0] [lindex $args 1] [lindex $args 2] [lindex $args 3]]
+}
+
+proc get_no_writes_function_code {args} {
+ return [format "#!%s name=%s\nredis.register_function{function_name='%s', callback=function(KEYS, ARGV)\n %s \nend, flags={'no-writes'}}" [lindex $args 0] [lindex $args 1] [lindex $args 2] [lindex $args 3]]
+}
+
+start_server {tags {"scripting"}} {
+ test {FUNCTION - Basic usage} {
+ r function load [get_function_code LUA test test {return 'hello'}]
+ r fcall test 0
+ } {hello}
+
+ test {FUNCTION - Load with unknown argument} {
+ catch {
+ r function load foo bar [get_function_code LUA test test {return 'hello'}]
+ } e
+ set _ $e
+ } {*Unknown option given*}
+
+ test {FUNCTION - Create an already exiting library raise error} {
+ catch {
+ r function load [get_function_code LUA test test {return 'hello1'}]
+ } e
+ set _ $e
+ } {*already exists*}
+
+ test {FUNCTION - Create an already exiting library raise error (case insensitive)} {
+ catch {
+ r function load [get_function_code LUA test test {return 'hello1'}]
+ } e
+ set _ $e
+ } {*already exists*}
+
+ test {FUNCTION - Create a library with wrong name format} {
+ catch {
+ r function load [get_function_code LUA {bad\0foramat} test {return 'hello1'}]
+ } e
+ set _ $e
+ } {*Library names can only contain letters, numbers, or underscores(_)*}
+
+ test {FUNCTION - Create library with unexisting engine} {
+ catch {
+ r function load [get_function_code bad_engine test test {return 'hello1'}]
+ } e
+ set _ $e
+ } {*Engine 'bad_engine' not found*}
+
+ test {FUNCTION - Test uncompiled script} {
+ catch {
+ r function load replace [get_function_code LUA test test {bad script}]
+ } e
+ set _ $e
+ } {*Error compiling function*}
+
+ test {FUNCTION - test replace argument} {
+ r function load REPLACE [get_function_code LUA test test {return 'hello1'}]
+ r fcall test 0
+ } {hello1}
+
+ test {FUNCTION - test function case insensitive} {
+ r fcall TEST 0
+ } {hello1}
+
+ test {FUNCTION - test replace argument with failure keeps old libraries} {
+ catch {r function create LUA test REPLACE {error}}
+ r fcall test 0
+ } {hello1}
+
+ test {FUNCTION - test function delete} {
+ r function delete test
+ catch {
+ r fcall test 0
+ } e
+ set _ $e
+ } {*Function not found*}
+
+ test {FUNCTION - test fcall bad arguments} {
+ r function load [get_function_code LUA test test {return 'hello'}]
+ catch {
+ r fcall test bad_arg
+ } e
+ set _ $e
+ } {*Bad number of keys provided*}
+
+ test {FUNCTION - test fcall bad number of keys arguments} {
+ catch {
+ r fcall test 10 key1
+ } e
+ set _ $e
+ } {*Number of keys can't be greater than number of args*}
+
+ test {FUNCTION - test fcall negative number of keys} {
+ catch {
+ r fcall test -1 key1
+ } e
+ set _ $e
+ } {*Number of keys can't be negative*}
+
+ test {FUNCTION - test delete on not exiting library} {
+ catch {
+ r function delete test1
+ } e
+ set _ $e
+ } {*Library not found*}
+
+ test {FUNCTION - test function kill when function is not running} {
+ catch {
+ r function kill
+ } e
+ set _ $e
+ } {*No scripts in execution*}
+
+ test {FUNCTION - test wrong subcommand} {
+ catch {
+ r function bad_subcommand
+ } e
+ set _ $e
+ } {*unknown subcommand*}
+
+ test {FUNCTION - test loading from rdb} {
+ r debug reload
+ r fcall test 0
+ } {hello} {needs:debug}
+
+ test {FUNCTION - test debug reload different options} {
+ catch {r debug reload noflush} e
+ assert_match "*Error trying to load the RDB*" $e
+ r debug reload noflush merge
+ r function list
+ } {{library_name test engine LUA functions {{name test description {} flags {}}}}} {needs:debug}
+
+ test {FUNCTION - test debug reload with nosave and noflush} {
+ r function delete test
+ r set x 1
+ r function load [get_function_code LUA test1 test1 {return 'hello'}]
+ r debug reload
+ r function load [get_function_code LUA test2 test2 {return 'hello'}]
+ r debug reload nosave noflush merge
+ assert_equal [r fcall test1 0] {hello}
+ assert_equal [r fcall test2 0] {hello}
+ } {} {needs:debug}
+
+ test {FUNCTION - test flushall and flushdb do not clean functions} {
+ r function flush
+ r function load REPLACE [get_function_code lua test test {return redis.call('set', 'x', '1')}]
+ r flushall
+ r flushdb
+ r function list
+ } {{library_name test engine LUA functions {{name test description {} flags {}}}}}
+
+ test {FUNCTION - test function dump and restore} {
+ r function flush
+ r function load [get_function_code lua test test {return 'hello'}]
+ set e [r function dump]
+ r function delete test
+ assert_match {} [r function list]
+ r function restore $e
+ r function list
+ } {{library_name test engine LUA functions {{name test description {} flags {}}}}}
+
+ test {FUNCTION - test function dump and restore with flush argument} {
+ set e [r function dump]
+ r function flush
+ assert_match {} [r function list]
+ r function restore $e FLUSH
+ r function list
+ } {{library_name test engine LUA functions {{name test description {} flags {}}}}}
+
+ test {FUNCTION - test function dump and restore with append argument} {
+ set e [r function dump]
+ r function flush
+ assert_match {} [r function list]
+ r function load [get_function_code lua test test {return 'hello1'}]
+ catch {r function restore $e APPEND} err
+ assert_match {*already exists*} $err
+ r function flush
+ r function load [get_function_code lua test1 test1 {return 'hello1'}]
+ r function restore $e APPEND
+ assert_match {hello} [r fcall test 0]
+ assert_match {hello1} [r fcall test1 0]
+ }
+
+ test {FUNCTION - test function dump and restore with replace argument} {
+ r function flush
+ r function load [get_function_code LUA test test {return 'hello'}]
+ set e [r function dump]
+ r function flush
+ assert_match {} [r function list]
+ r function load [get_function_code lua test test {return 'hello1'}]
+ assert_match {hello1} [r fcall test 0]
+ r function restore $e REPLACE
+ assert_match {hello} [r fcall test 0]
+ }
+
+ test {FUNCTION - test function restore with bad payload do not drop existing functions} {
+ r function flush
+ r function load [get_function_code LUA test test {return 'hello'}]
+ catch {r function restore bad_payload} e
+ assert_match {*payload version or checksum are wrong*} $e
+ r function list
+ } {{library_name test engine LUA functions {{name test description {} flags {}}}}}
+
+ test {FUNCTION - test function restore with wrong number of arguments} {
+ catch {r function restore arg1 args2 arg3} e
+ set _ $e
+ } {*unknown subcommand or wrong number of arguments for 'restore'. Try FUNCTION HELP.}
+
+ test {FUNCTION - test fcall_ro with write command} {
+ r function load REPLACE [get_no_writes_function_code lua test test {return redis.call('set', 'x', '1')}]
+ catch { r fcall_ro test 1 x } e
+ set _ $e
+ } {*Write commands are not allowed from read-only scripts*}
+
+ test {FUNCTION - test fcall_ro with read only commands} {
+ r function load REPLACE [get_no_writes_function_code lua test test {return redis.call('get', 'x')}]
+ r set x 1
+ r fcall_ro test 1 x
+ } {1}
+
+ test {FUNCTION - test keys and argv} {
+ r function load REPLACE [get_function_code lua test test {return redis.call('set', KEYS[1], ARGV[1])}]
+ r fcall test 1 x foo
+ r get x
+ } {foo}
+
+ test {FUNCTION - test command get keys on fcall} {
+ r COMMAND GETKEYS fcall test 1 x foo
+ } {x}
+
+ test {FUNCTION - test command get keys on fcall_ro} {
+ r COMMAND GETKEYS fcall_ro test 1 x foo
+ } {x}
+
+ test {FUNCTION - test function kill} {
+ set rd [redis_deferring_client]
+ r config set busy-reply-threshold 10
+ r function load REPLACE [get_function_code lua test test {local a = 1 while true do a = a + 1 end}]
+ $rd fcall test 0
+ after 200
+ catch {r ping} e
+ assert_match {BUSY*} $e
+ assert_match {running_script {name test command {fcall test 0} duration_ms *} engines {*}} [r FUNCTION STATS]
+ r function kill
+ after 200 ; # Give some time to Lua to call the hook again...
+ assert_equal [r ping] "PONG"
+ }
+
+ test {FUNCTION - test script kill not working on function} {
+ set rd [redis_deferring_client]
+ r config set busy-reply-threshold 10
+ r function load REPLACE [get_function_code lua test test {local a = 1 while true do a = a + 1 end}]
+ $rd fcall test 0
+ after 200
+ catch {r ping} e
+ assert_match {BUSY*} $e
+ catch {r script kill} e
+ assert_match {BUSY*} $e
+ r function kill
+ after 200 ; # Give some time to Lua to call the hook again...
+ assert_equal [r ping] "PONG"
+ }
+
+ test {FUNCTION - test function kill not working on eval} {
+ set rd [redis_deferring_client]
+ r config set busy-reply-threshold 10
+ $rd eval {local a = 1 while true do a = a + 1 end} 0
+ after 200
+ catch {r ping} e
+ assert_match {BUSY*} $e
+ catch {r function kill} e
+ assert_match {BUSY*} $e
+ r script kill
+ after 200 ; # Give some time to Lua to call the hook again...
+ assert_equal [r ping] "PONG"
+ }
+
+ test {FUNCTION - test function flush} {
+ r function load REPLACE [get_function_code lua test test {local a = 1 while true do a = a + 1 end}]
+ assert_match {{library_name test engine LUA functions {{name test description {} flags {}}}}} [r function list]
+ r function flush
+ assert_match {} [r function list]
+
+ r function load REPLACE [get_function_code lua test test {local a = 1 while true do a = a + 1 end}]
+ assert_match {{library_name test engine LUA functions {{name test description {} flags {}}}}} [r function list]
+ r function flush async
+ assert_match {} [r function list]
+
+ r function load REPLACE [get_function_code lua test test {local a = 1 while true do a = a + 1 end}]
+ assert_match {{library_name test engine LUA functions {{name test description {} flags {}}}}} [r function list]
+ r function flush sync
+ assert_match {} [r function list]
+ }
+
+ test {FUNCTION - test function wrong argument} {
+ catch {r function flush bad_arg} e
+ assert_match {*only supports SYNC|ASYNC*} $e
+
+ catch {r function flush sync extra_arg} e
+ assert_match {*unknown subcommand or wrong number of arguments for 'flush'. Try FUNCTION HELP.} $e
+ }
+}
+
+start_server {tags {"scripting repl external:skip"}} {
+ start_server {} {
+ test "Connect a replica to the master instance" {
+ r -1 slaveof [srv 0 host] [srv 0 port]
+ wait_for_condition 150 100 {
+ [s -1 role] eq {slave} &&
+ [string match {*master_link_status:up*} [r -1 info replication]]
+ } else {
+ fail "Can't turn the instance into a replica"
+ }
+ }
+
+ test {FUNCTION - creation is replicated to replica} {
+ r function load [get_no_writes_function_code LUA test test {return 'hello'}]
+ wait_for_condition 150 100 {
+ [r -1 function list] eq {{library_name test engine LUA functions {{name test description {} flags no-writes}}}}
+ } else {
+ fail "Failed waiting for function to replicate to replica"
+ }
+ }
+
+ test {FUNCTION - call on replica} {
+ r -1 fcall test 0
+ } {hello}
+
+ test {FUNCTION - restore is replicated to replica} {
+ set e [r function dump]
+
+ r function delete test
+ wait_for_condition 150 100 {
+ [r -1 function list] eq {}
+ } else {
+ fail "Failed waiting for function to replicate to replica"
+ }
+
+ assert_equal [r function restore $e] {OK}
+
+ wait_for_condition 150 100 {
+ [r -1 function list] eq {{library_name test engine LUA functions {{name test description {} flags no-writes}}}}
+ } else {
+ fail "Failed waiting for function to replicate to replica"
+ }
+ }
+
+ test {FUNCTION - delete is replicated to replica} {
+ r function delete test
+ wait_for_condition 150 100 {
+ [r -1 function list] eq {}
+ } else {
+ fail "Failed waiting for function to replicate to replica"
+ }
+ }
+
+ test {FUNCTION - flush is replicated to replica} {
+ r function load [get_function_code LUA test test {return 'hello'}]
+ wait_for_condition 150 100 {
+ [r -1 function list] eq {{library_name test engine LUA functions {{name test description {} flags {}}}}}
+ } else {
+ fail "Failed waiting for function to replicate to replica"
+ }
+ r function flush
+ wait_for_condition 150 100 {
+ [r -1 function list] eq {}
+ } else {
+ fail "Failed waiting for function to replicate to replica"
+ }
+ }
+
+ test "Disconnecting the replica from master instance" {
+ r -1 slaveof no one
+ # creating a function after disconnect to make sure function
+ # is replicated on rdb phase
+ r function load [get_no_writes_function_code LUA test test {return 'hello'}]
+
+ # reconnect the replica
+ r -1 slaveof [srv 0 host] [srv 0 port]
+ wait_for_condition 150 100 {
+ [s -1 role] eq {slave} &&
+ [string match {*master_link_status:up*} [r -1 info replication]]
+ } else {
+ fail "Can't turn the instance into a replica"
+ }
+ }
+
+ test "FUNCTION - test replication to replica on rdb phase" {
+ r -1 fcall test 0
+ } {hello}
+
+ test "FUNCTION - test replication to replica on rdb phase info command" {
+ r -1 function list
+ } {{library_name test engine LUA functions {{name test description {} flags no-writes}}}}
+
+ test "FUNCTION - create on read only replica" {
+ catch {
+ r -1 function load [get_function_code LUA test test {return 'hello'}]
+ } e
+ set _ $e
+ } {*can't write against a read only replica*}
+
+ test "FUNCTION - delete on read only replica" {
+ catch {
+ r -1 function delete test
+ } e
+ set _ $e
+ } {*can't write against a read only replica*}
+
+ test "FUNCTION - function effect is replicated to replica" {
+ r function load REPLACE [get_function_code LUA test test {return redis.call('set', 'x', '1')}]
+ r fcall test 1 x
+ assert {[r get x] eq {1}}
+ wait_for_condition 150 100 {
+ [r -1 get x] eq {1}
+ } else {
+ fail "Failed waiting function effect to be replicated to replica"
+ }
+ }
+
+ test "FUNCTION - modify key space of read only replica" {
+ catch {
+ r -1 fcall test 1 x
+ } e
+ set _ $e
+ } {READONLY You can't write against a read only replica.}
+ }
+}
+
+test {FUNCTION can processes create, delete and flush commands in AOF when doing "debug loadaof" in read-only slaves} {
+ start_server {} {
+ r config set appendonly yes
+ waitForBgrewriteaof r
+ r FUNCTION LOAD "#!lua name=test\nredis.register_function('test', function() return 'hello' end)"
+ r config set slave-read-only yes
+ r slaveof 127.0.0.1 0
+ r debug loadaof
+ r slaveof no one
+ assert_equal [r function list] {{library_name test engine LUA functions {{name test description {} flags {}}}}}
+
+ r FUNCTION DELETE test
+
+ r slaveof 127.0.0.1 0
+ r debug loadaof
+ r slaveof no one
+ assert_equal [r function list] {}
+
+ r FUNCTION LOAD "#!lua name=test\nredis.register_function('test', function() return 'hello' end)"
+ r FUNCTION FLUSH
+
+ r slaveof 127.0.0.1 0
+ r debug loadaof
+ r slaveof no one
+ assert_equal [r function list] {}
+ }
+} {} {needs:debug external:skip}
+
+start_server {tags {"scripting"}} {
+ test {LIBRARIES - test shared function can access default globals} {
+ r function load {#!lua name=lib1
+ local function ping()
+ return redis.call('ping')
+ end
+ redis.register_function(
+ 'f1',
+ function(keys, args)
+ return ping()
+ end
+ )
+ }
+ r fcall f1 0
+ } {PONG}
+
+ test {LIBRARIES - usage and code sharing} {
+ r function load REPLACE {#!lua name=lib1
+ local function add1(a)
+ return a + 1
+ end
+ redis.register_function(
+ 'f1',
+ function(keys, args)
+ return add1(1)
+ end
+ )
+ redis.register_function(
+ 'f2',
+ function(keys, args)
+ return add1(2)
+ end
+ )
+ }
+ assert_equal [r fcall f1 0] {2}
+ assert_equal [r fcall f2 0] {3}
+ r function list
+ } {{library_name lib1 engine LUA functions {*}}}
+
+ test {LIBRARIES - test registration failure revert the entire load} {
+ catch {
+ r function load replace {#!lua name=lib1
+ local function add1(a)
+ return a + 2
+ end
+ redis.register_function(
+ 'f1',
+ function(keys, args)
+ return add1(1)
+ end
+ )
+ redis.register_function(
+ 'f2',
+ 'not a function'
+ )
+ }
+ } e
+ assert_match {*second argument to redis.register_function must be a function*} $e
+ assert_equal [r fcall f1 0] {2}
+ assert_equal [r fcall f2 0] {3}
+ }
+
+ test {LIBRARIES - test registration function name collision} {
+ catch {
+ r function load replace {#!lua name=lib2
+ redis.register_function(
+ 'f1',
+ function(keys, args)
+ return 1
+ end
+ )
+ }
+ } e
+ assert_match {*Function f1 already exists*} $e
+ assert_equal [r fcall f1 0] {2}
+ assert_equal [r fcall f2 0] {3}
+ }
+
+ test {LIBRARIES - test registration function name collision on same library} {
+ catch {
+ r function load replace {#!lua name=lib2
+ redis.register_function(
+ 'f1',
+ function(keys, args)
+ return 1
+ end
+ )
+ redis.register_function(
+ 'f1',
+ function(keys, args)
+ return 1
+ end
+ )
+ }
+ } e
+ set _ $e
+ } {*Function already exists in the library*}
+
+ test {LIBRARIES - test registration with no argument} {
+ catch {
+ r function load replace {#!lua name=lib2
+ redis.register_function()
+ }
+ } e
+ set _ $e
+ } {*wrong number of arguments to redis.register_function*}
+
+ test {LIBRARIES - test registration with only name} {
+ catch {
+ r function load replace {#!lua name=lib2
+ redis.register_function('f1')
+ }
+ } e
+ set _ $e
+ } {*calling redis.register_function with a single argument is only applicable to Lua table*}
+
+ test {LIBRARIES - test registration with to many arguments} {
+ catch {
+ r function load replace {#!lua name=lib2
+ redis.register_function('f1', function() return 1 end, {}, 'description', 'extra arg')
+ }
+ } e
+ set _ $e
+ } {*wrong number of arguments to redis.register_function*}
+
+ test {LIBRARIES - test registration with no string name} {
+ catch {
+ r function load replace {#!lua name=lib2
+ redis.register_function(nil, function() return 1 end)
+ }
+ } e
+ set _ $e
+ } {*first argument to redis.register_function must be a string*}
+
+ test {LIBRARIES - test registration with wrong name format} {
+ catch {
+ r function load replace {#!lua name=lib2
+ redis.register_function('test\0test', function() return 1 end)
+ }
+ } e
+ set _ $e
+ } {*Library names can only contain letters, numbers, or underscores(_) and must be at least one character long*}
+
+ test {LIBRARIES - test registration with empty name} {
+ catch {
+ r function load replace {#!lua name=lib2
+ redis.register_function('', function() return 1 end)
+ }
+ } e
+ set _ $e
+ } {*Library names can only contain letters, numbers, or underscores(_) and must be at least one character long*}
+
+ test {LIBRARIES - math.random from function load} {
+ catch {
+ r function load replace {#!lua name=lib2
+ return math.random()
+ }
+ } e
+ set _ $e
+ } {*attempted to access nonexistent global variable 'math'*}
+
+ test {LIBRARIES - redis.call from function load} {
+ catch {
+ r function load replace {#!lua name=lib2
+ return redis.call('ping')
+ }
+ } e
+ set _ $e
+ } {*attempted to access nonexistent global variable 'call'*}
+
+ test {LIBRARIES - redis.setresp from function load} {
+ catch {
+ r function load replace {#!lua name=lib2
+ return redis.setresp(3)
+ }
+ } e
+ set _ $e
+ } {*attempted to access nonexistent global variable 'setresp'*}
+
+ test {LIBRARIES - redis.set_repl from function load} {
+ catch {
+ r function load replace {#!lua name=lib2
+ return redis.set_repl(redis.REPL_NONE)
+ }
+ } e
+ set _ $e
+ } {*attempted to access nonexistent global variable 'set_repl'*}
+
+ test {LIBRARIES - redis.acl_check_cmd from function load} {
+ catch {
+ r function load replace {#!lua name=lib2
+ return redis.acl_check_cmd('set','xx',1)
+ }
+ } e
+ set _ $e
+ } {*attempted to access nonexistent global variable 'acl_check_cmd'*}
+
+ test {LIBRARIES - malicious access test} {
+ # the 'library' API is not exposed inside a
+ # function context and the 'redis' API is not
+ # expose on the library registration context.
+ # But a malicious user might find a way to hack it
+ # (as demonstrated in this test). This is why we
+ # have another level of protection on the C
+ # code itself and we want to test it and verify
+ # that it works properly.
+ r function load replace {#!lua name=lib1
+ local lib = redis
+ lib.register_function('f1', function ()
+ lib.redis = redis
+ lib.math = math
+ return {ok='OK'}
+ end)
+
+ lib.register_function('f2', function ()
+ lib.register_function('f1', function ()
+ lib.redis = redis
+ lib.math = math
+ return {ok='OK'}
+ end)
+ end)
+ }
+ catch {[r fcall f1 0]} e
+ assert_match {*Attempt to modify a readonly table*} $e
+
+ catch {[r function load {#!lua name=lib2
+ redis.math.random()
+ }]} e
+ assert_match {*Script attempted to access nonexistent global variable 'math'*} $e
+
+ catch {[r function load {#!lua name=lib2
+ redis.redis.call('ping')
+ }]} e
+ assert_match {*Script attempted to access nonexistent global variable 'redis'*} $e
+
+ catch {[r fcall f2 0]} e
+ assert_match {*can only be called on FUNCTION LOAD command*} $e
+ }
+
+ test {LIBRARIES - delete removed all functions on library} {
+ r function delete lib1
+ r function list
+ } {}
+
+ test {LIBRARIES - register function inside a function} {
+ r function load {#!lua name=lib
+ redis.register_function(
+ 'f1',
+ function(keys, args)
+ redis.register_function(
+ 'f2',
+ function(key, args)
+ return 2
+ end
+ )
+ return 1
+ end
+ )
+ }
+ catch {r fcall f1 0} e
+ set _ $e
+ } {*attempt to call field 'register_function' (a nil value)*}
+
+ test {LIBRARIES - register library with no functions} {
+ r function flush
+ catch {
+ r function load {#!lua name=lib
+ return 1
+ }
+ } e
+ set _ $e
+ } {*No functions registered*}
+
+ test {LIBRARIES - load timeout} {
+ catch {
+ r function load {#!lua name=lib
+ local a = 1
+ while 1 do a = a + 1 end
+ }
+ } e
+ set _ $e
+ } {*FUNCTION LOAD timeout*}
+
+ test {LIBRARIES - verify global protection on the load run} {
+ catch {
+ r function load {#!lua name=lib
+ a = 1
+ }
+ } e
+ set _ $e
+ } {*Attempt to modify a readonly table*}
+
+ test {LIBRARIES - named arguments} {
+ r function load {#!lua name=lib
+ redis.register_function{
+ function_name='f1',
+ callback=function()
+ return 'hello'
+ end,
+ description='some desc'
+ }
+ }
+ r function list
+ } {{library_name lib engine LUA functions {{name f1 description {some desc} flags {}}}}}
+
+ test {LIBRARIES - named arguments, bad function name} {
+ catch {
+ r function load replace {#!lua name=lib
+ redis.register_function{
+ function_name=function() return 1 end,
+ callback=function()
+ return 'hello'
+ end,
+ description='some desc'
+ }
+ }
+ } e
+ set _ $e
+ } {*function_name argument given to redis.register_function must be a string*}
+
+ test {LIBRARIES - named arguments, bad callback type} {
+ catch {
+ r function load replace {#!lua name=lib
+ redis.register_function{
+ function_name='f1',
+ callback='bad',
+ description='some desc'
+ }
+ }
+ } e
+ set _ $e
+ } {*callback argument given to redis.register_function must be a function*}
+
+ test {LIBRARIES - named arguments, bad description} {
+ catch {
+ r function load replace {#!lua name=lib
+ redis.register_function{
+ function_name='f1',
+ callback=function()
+ return 'hello'
+ end,
+ description=function() return 1 end
+ }
+ }
+ } e
+ set _ $e
+ } {*description argument given to redis.register_function must be a string*}
+
+ test {LIBRARIES - named arguments, unknown argument} {
+ catch {
+ r function load replace {#!lua name=lib
+ redis.register_function{
+ function_name='f1',
+ callback=function()
+ return 'hello'
+ end,
+ description='desc',
+ some_unknown='unknown'
+ }
+ }
+ } e
+ set _ $e
+ } {*unknown argument given to redis.register_function*}
+
+ test {LIBRARIES - named arguments, missing function name} {
+ catch {
+ r function load replace {#!lua name=lib
+ redis.register_function{
+ callback=function()
+ return 'hello'
+ end,
+ description='desc'
+ }
+ }
+ } e
+ set _ $e
+ } {*redis.register_function must get a function name argument*}
+
+ test {LIBRARIES - named arguments, missing callback} {
+ catch {
+ r function load replace {#!lua name=lib
+ redis.register_function{
+ function_name='f1',
+ description='desc'
+ }
+ }
+ } e
+ set _ $e
+ } {*redis.register_function must get a callback argument*}
+
+ test {FUNCTION - test function restore with function name collision} {
+ r function flush
+ r function load {#!lua name=lib1
+ local function add1(a)
+ return a + 1
+ end
+ redis.register_function(
+ 'f1',
+ function(keys, args)
+ return add1(1)
+ end
+ )
+ redis.register_function(
+ 'f2',
+ function(keys, args)
+ return add1(2)
+ end
+ )
+ redis.register_function(
+ 'f3',
+ function(keys, args)
+ return add1(3)
+ end
+ )
+ }
+ set e [r function dump]
+ r function flush
+
+ # load a library with different name but with the same function name
+ r function load {#!lua name=lib1
+ redis.register_function(
+ 'f6',
+ function(keys, args)
+ return 7
+ end
+ )
+ }
+ r function load {#!lua name=lib2
+ local function add1(a)
+ return a + 1
+ end
+ redis.register_function(
+ 'f4',
+ function(keys, args)
+ return add1(4)
+ end
+ )
+ redis.register_function(
+ 'f5',
+ function(keys, args)
+ return add1(5)
+ end
+ )
+ redis.register_function(
+ 'f3',
+ function(keys, args)
+ return add1(3)
+ end
+ )
+ }
+
+ catch {r function restore $e} error
+ assert_match {*Library lib1 already exists*} $error
+ assert_equal [r fcall f3 0] {4}
+ assert_equal [r fcall f4 0] {5}
+ assert_equal [r fcall f5 0] {6}
+ assert_equal [r fcall f6 0] {7}
+
+ catch {r function restore $e replace} error
+ assert_match {*Function f3 already exists*} $error
+ assert_equal [r fcall f3 0] {4}
+ assert_equal [r fcall f4 0] {5}
+ assert_equal [r fcall f5 0] {6}
+ assert_equal [r fcall f6 0] {7}
+ }
+
+ test {FUNCTION - test function list with code} {
+ r function flush
+ r function load {#!lua name=library1
+ redis.register_function('f6', function(keys, args) return 7 end)
+ }
+ r function list withcode
+ } {{library_name library1 engine LUA functions {{name f6 description {} flags {}}} library_code {*redis.register_function('f6', function(keys, args) return 7 end)*}}}
+
+ test {FUNCTION - test function list with pattern} {
+ r function load {#!lua name=lib1
+ redis.register_function('f7', function(keys, args) return 7 end)
+ }
+ r function list libraryname library*
+ } {{library_name library1 engine LUA functions {{name f6 description {} flags {}}}}}
+
+ test {FUNCTION - test function list wrong argument} {
+ catch {r function list bad_argument} e
+ set _ $e
+ } {*Unknown argument bad_argument*}
+
+ test {FUNCTION - test function list with bad argument to library name} {
+ catch {r function list libraryname} e
+ set _ $e
+ } {*library name argument was not given*}
+
+ test {FUNCTION - test function list withcode multiple times} {
+ catch {r function list withcode withcode} e
+ set _ $e
+ } {*Unknown argument withcode*}
+
+ test {FUNCTION - test function list libraryname multiple times} {
+ catch {r function list withcode libraryname foo libraryname foo} e
+ set _ $e
+ } {*Unknown argument libraryname*}
+
+ test {FUNCTION - verify OOM on function load and function restore} {
+ r function flush
+ r function load replace {#!lua name=test
+ redis.register_function('f1', function() return 1 end)
+ }
+ set payload [r function dump]
+ r config set maxmemory 1
+
+ r function flush
+ catch {r function load replace {#!lua name=test
+ redis.register_function('f1', function() return 1 end)
+ }} e
+ assert_match {*command not allowed when used memory*} $e
+
+ r function flush
+ catch {r function restore $payload} e
+ assert_match {*command not allowed when used memory*} $e
+
+ r config set maxmemory 0
+ } {OK} {needs:config-maxmemory}
+
+ test {FUNCTION - verify allow-omm allows running any command} {
+ r FUNCTION load replace {#!lua name=f1
+ redis.register_function{
+ function_name='f1',
+ callback=function() return redis.call('set', 'x', '1') end,
+ flags={'allow-oom'}
+ }
+ }
+
+ r config set maxmemory 1
+
+ assert_match {OK} [r fcall f1 1 x]
+ assert_match {1} [r get x]
+
+ r config set maxmemory 0
+ } {OK} {needs:config-maxmemory}
+}
+
+start_server {tags {"scripting"}} {
+ test {FUNCTION - wrong flags type named arguments} {
+ catch {r function load replace {#!lua name=test
+ redis.register_function{
+ function_name = 'f1',
+ callback = function() return 1 end,
+ flags = 'bad flags type'
+ }
+ }} e
+ set _ $e
+ } {*flags argument to redis.register_function must be a table representing function flags*}
+
+ test {FUNCTION - wrong flag type} {
+ catch {r function load replace {#!lua name=test
+ redis.register_function{
+ function_name = 'f1',
+ callback = function() return 1 end,
+ flags = {function() return 1 end}
+ }
+ }} e
+ set _ $e
+ } {*unknown flag given*}
+
+ test {FUNCTION - unknown flag} {
+ catch {r function load replace {#!lua name=test
+ redis.register_function{
+ function_name = 'f1',
+ callback = function() return 1 end,
+ flags = {'unknown'}
+ }
+ }} e
+ set _ $e
+ } {*unknown flag given*}
+
+ test {FUNCTION - write script on fcall_ro} {
+ r function load replace {#!lua name=test
+ redis.register_function{
+ function_name = 'f1',
+ callback = function() return redis.call('set', 'x', 1) end
+ }
+ }
+ catch {r fcall_ro f1 1 x} e
+ set _ $e
+ } {*Can not execute a script with write flag using \*_ro command*}
+
+ test {FUNCTION - write script with no-writes flag} {
+ r function load replace {#!lua name=test
+ redis.register_function{
+ function_name = 'f1',
+ callback = function() return redis.call('set', 'x', 1) end,
+ flags = {'no-writes'}
+ }
+ }
+ catch {r fcall f1 1 x} e
+ set _ $e
+ } {*Write commands are not allowed from read-only scripts*}
+
+ test {FUNCTION - deny oom} {
+ r FUNCTION load replace {#!lua name=test
+ redis.register_function('f1', function() return redis.call('set', 'x', '1') end)
+ }
+
+ r config set maxmemory 1
+
+ catch {[r fcall f1 1 x]} e
+ assert_match {OOM *when used memory > 'maxmemory'*} $e
+
+ r config set maxmemory 0
+ } {OK} {needs:config-maxmemory}
+
+ test {FUNCTION - deny oom on no-writes function} {
+ r FUNCTION load replace {#!lua name=test
+ redis.register_function{function_name='f1', callback=function() return 'hello' end, flags={'no-writes'}}
+ }
+
+ r config set maxmemory 1
+
+ assert_equal [r fcall f1 1 k] hello
+ assert_equal [r fcall_ro f1 1 k] hello
+
+ r config set maxmemory 0
+ } {OK} {needs:config-maxmemory}
+
+ test {FUNCTION - allow stale} {
+ r FUNCTION load replace {#!lua name=test
+ redis.register_function{function_name='f1', callback=function() return 'hello' end, flags={'no-writes'}}
+ redis.register_function{function_name='f2', callback=function() return 'hello' end, flags={'allow-stale', 'no-writes'}}
+ redis.register_function{function_name='f3', callback=function() return redis.call('get', 'x') end, flags={'allow-stale', 'no-writes'}}
+ redis.register_function{function_name='f4', callback=function() return redis.call('info', 'server') end, flags={'allow-stale', 'no-writes'}}
+ }
+
+ r config set replica-serve-stale-data no
+ r replicaof 127.0.0.1 1
+
+ catch {[r fcall f1 0]} e
+ assert_match {MASTERDOWN *} $e
+
+ assert_equal {hello} [r fcall f2 0]
+
+ catch {[r fcall f3 1 x]} e
+ assert_match {ERR *Can not execute the command on a stale replica*} $e
+
+ assert_match {*redis_version*} [r fcall f4 0]
+
+ r replicaof no one
+ r config set replica-serve-stale-data yes
+ set _ {}
+ } {} {external:skip}
+
+ test {FUNCTION - redis version api} {
+ r FUNCTION load replace {#!lua name=test
+ local version = redis.REDIS_VERSION_NUM
+
+ redis.register_function{function_name='get_version_v1', callback=function()
+ return string.format('%s.%s.%s',
+ bit.band(bit.rshift(version, 16), 0x000000ff),
+ bit.band(bit.rshift(version, 8), 0x000000ff),
+ bit.band(version, 0x000000ff))
+ end}
+ redis.register_function{function_name='get_version_v2', callback=function() return redis.REDIS_VERSION end}
+ }
+
+ catch {[r fcall f1 0]} e
+ assert_equal [r fcall get_version_v1 0] [r fcall get_version_v2 0]
+ }
+
+ test {FUNCTION - function stats} {
+ r FUNCTION FLUSH
+
+ r FUNCTION load {#!lua name=test1
+ redis.register_function('f1', function() return 1 end)
+ redis.register_function('f2', function() return 1 end)
+ }
+
+ r FUNCTION load {#!lua name=test2
+ redis.register_function('f3', function() return 1 end)
+ }
+
+ r function stats
+ } {running_script {} engines {LUA {libraries_count 2 functions_count 3}}}
+
+ test {FUNCTION - function stats reloaded correctly from rdb} {
+ r debug reload
+ r function stats
+ } {running_script {} engines {LUA {libraries_count 2 functions_count 3}}} {needs:debug}
+
+ test {FUNCTION - function stats delete library} {
+ r function delete test1
+ r function stats
+ } {running_script {} engines {LUA {libraries_count 1 functions_count 1}}}
+
+ test {FUNCTION - test function stats on loading failure} {
+ r FUNCTION FLUSH
+
+ r FUNCTION load {#!lua name=test1
+ redis.register_function('f1', function() return 1 end)
+ redis.register_function('f2', function() return 1 end)
+ }
+
+ catch {r FUNCTION load {#!lua name=test1
+ redis.register_function('f3', function() return 1 end)
+ }} e
+ assert_match "*Library 'test1' already exists*" $e
+
+
+ r function stats
+ } {running_script {} engines {LUA {libraries_count 1 functions_count 2}}}
+
+ test {FUNCTION - function stats cleaned after flush} {
+ r function flush
+ r function stats
+ } {running_script {} engines {LUA {libraries_count 0 functions_count 0}}}
+
+ test {FUNCTION - function test empty engine} {
+ catch {r function load replace {#! name=test
+ redis.register_function('foo', function() return 1 end)
+ }} e
+ set _ $e
+ } {ERR Engine '' not found}
+
+ test {FUNCTION - function test unknown metadata value} {
+ catch {r function load replace {#!lua name=test foo=bar
+ redis.register_function('foo', function() return 1 end)
+ }} e
+ set _ $e
+ } {ERR Invalid metadata value given: foo=bar}
+
+ test {FUNCTION - function test no name} {
+ catch {r function load replace {#!lua
+ redis.register_function('foo', function() return 1 end)
+ }} e
+ set _ $e
+ } {ERR Library name was not given}
+
+ test {FUNCTION - function test multiple names} {
+ catch {r function load replace {#!lua name=foo name=bar
+ redis.register_function('foo', function() return 1 end)
+ }} e
+ set _ $e
+ } {ERR Invalid metadata value, name argument was given multiple times}
+
+ test {FUNCTION - function test name with quotes} {
+ r function load replace {#!lua name="foo"
+ redis.register_function('foo', function() return 1 end)
+ }
+ } {foo}
+
+ test {FUNCTION - trick global protection 1} {
+ r FUNCTION FLUSH
+
+ r FUNCTION load {#!lua name=test1
+ redis.register_function('f1', function()
+ mt = getmetatable(_G)
+ original_globals = mt.__index
+ original_globals['redis'] = function() return 1 end
+ end)
+ }
+
+ catch {[r fcall f1 0]} e
+ set _ $e
+ } {*Attempt to modify a readonly table*}
+
+ test {FUNCTION - test getmetatable on script load} {
+ r FUNCTION FLUSH
+
+ catch {
+ r FUNCTION load {#!lua name=test1
+ mt = getmetatable(_G)
+ }
+ } e
+
+ set _ $e
+ } {*Script attempted to access nonexistent global variable 'getmetatable'*}
+
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-18 08:21:40 +0000