proc cmdstat {cmd} {
    return [cmdrstat $cmd r]
}

start_server {tags {"introspection"}} {
    test {TTL, TYPE and EXISTS do not alter the last access time of a key} {
        r set foo bar
        after 3000
        r ttl foo
        r type foo
        r exists foo
        assert {[r object idletime foo] >= 2}
    }

    test {TOUCH alters the last access time of a key} {
        r set foo bar
        after 3000
        r touch foo
        assert {[r object idletime foo] < 2}
    }

    test {TOUCH returns the number of existing keys specified} {
        r flushdb
        r set key1{t} 1
        r set key2{t} 2
        r touch key0{t} key1{t} key2{t} key3{t}
    } 2

    test {command stats for GEOADD} {
        r config resetstat
        r GEOADD foo 0 0 bar
        assert_match {*calls=1,*} [cmdstat geoadd]
        assert_match {} [cmdstat zadd]
    } {} {needs:config-resetstat}

    test {command stats for EXPIRE} {
        r config resetstat
        r SET foo bar
        r EXPIRE foo 0
        assert_match {*calls=1,*} [cmdstat expire]
        assert_match {} [cmdstat del]
    } {} {needs:config-resetstat}

    test {command stats for BRPOP} {
        r config resetstat
        r LPUSH list foo
        r BRPOP list 0
        assert_match {*calls=1,*} [cmdstat brpop]
        assert_match {} [cmdstat rpop]
    } {} {needs:config-resetstat}

    test {command stats for MULTI} {
        r config resetstat
        r MULTI
        r set foo{t} bar
        r GEOADD foo2{t} 0 0 bar
        r EXPIRE foo2{t} 0
        r EXEC
        assert_match {*calls=1,*} [cmdstat multi]
        assert_match {*calls=1,*} [cmdstat exec]
        assert_match {*calls=1,*} [cmdstat set]
        assert_match {*calls=1,*} [cmdstat expire]
        assert_match {*calls=1,*} [cmdstat geoadd]
    } {} {needs:config-resetstat}

    test {command stats for scripts} {
        r config resetstat
        r set mykey myval
        r eval {
            redis.call('set', KEYS[1], 0)
            redis.call('expire', KEYS[1], 0)
            redis.call('geoadd', KEYS[1], 0, 0, "bar")
        } 1 mykey
        assert_match {*calls=1,*} [cmdstat eval]
        assert_match {*calls=2,*} [cmdstat set]
        assert_match {*calls=1,*} [cmdstat expire]
        assert_match {*calls=1,*} [cmdstat geoadd]
    } {} {needs:config-resetstat}

    test {COMMAND GETKEYS GET} {
        assert_equal {key} [r command getkeys get key]
    }

    test {COMMAND GETKEYS MEMORY USAGE} {
        assert_equal {key} [r command getkeys memory usage key]
    }

    test {COMMAND GETKEYS XGROUP} {
        assert_equal {key} [r command getkeys xgroup create key groupname $]
    }

    test {COMMAND GETKEYS EVAL with keys} {
        assert_equal {key} [r command getkeys eval "return 1" 1 key]
    }

    test {COMMAND GETKEYS EVAL without keys} {
        assert_equal {} [r command getkeys eval "return 1" 0]
    }

    test {COMMAND GETKEYS LCS} {
        assert_equal {key1 key2} [r command getkeys lcs key1 key2]
    }

    test "COMMAND LIST syntax error" {
        assert_error "ERR syntax error*" {r command list bad_arg}
        assert_error "ERR syntax error*" {r command list filterby bad_arg}
        assert_error "ERR syntax error*" {r command list filterby bad_arg bad_arg2}
    }

    test "COMMAND LIST WITHOUT FILTERBY" {
        set commands [r command list]
        assert_not_equal [lsearch $commands "set"] -1
        assert_not_equal [lsearch $commands "client|list"] -1
    }

    test "COMMAND LIST FILTERBY ACLCAT against non existing category" {
        assert_equal {} [r command list filterby aclcat non_existing_category]
    }

    test "COMMAND LIST FILTERBY ACLCAT - list all commands/subcommands" {
        set commands [r command list filterby aclcat scripting]
        assert_not_equal [lsearch $commands "eval"] -1
        assert_not_equal [lsearch $commands "script|kill"] -1

        # Negative check, a command that should not be here
        assert_equal [lsearch $commands "set"] -1
    }

    test "COMMAND LIST FILTERBY PATTERN - list all commands/subcommands" {
        # Exact command match.
        assert_equal {set} [r command list filterby pattern set]
        assert_equal {get} [r command list filterby pattern get]

        # Return the parent command and all the subcommands below it.
        set commands [r command list filterby pattern config*]
        assert_not_equal [lsearch $commands "config"] -1
        assert_not_equal [lsearch $commands "config|get"] -1

        # We can filter subcommands under a parent command.
        set commands [r command list filterby pattern config|*re*]
        assert_not_equal [lsearch $commands "config|resetstat"] -1
        assert_not_equal [lsearch $commands "config|rewrite"] -1

        # We can filter subcommands across parent commands.
        set commands [r command list filterby pattern cl*help]
        assert_not_equal [lsearch $commands "client|help"] -1
        assert_not_equal [lsearch $commands "cluster|help"] -1

        # Negative check, command that doesn't exist.
        assert_equal {} [r command list filterby pattern non_exists]
        assert_equal {} [r command list filterby pattern non_exists*]
    }

    test "COMMAND LIST FILTERBY MODULE against non existing module" {
        # This should be empty, the real one is in subcommands.tcl
        assert_equal {} [r command list filterby module non_existing_module]
    }

    test {COMMAND INFO of invalid subcommands} {
        assert_equal {{}} [r command info get|key]
        assert_equal {{}} [r command info config|get|key]
    }
}
