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set server_path [tmpdir "server.rdb-encoding-test"]

# Copy RDB with different encodings in server path
exec cp tests/assets/encodings.rdb $server_path

start_server [list overrides [list "dir" $server_path "dbfilename" "encodings.rdb"]] {
  test "RDB encoding loading test" {
    r select 0
    csvdump r
  } {"0","compressible","string","aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
"0","hash","hash","a","1","aa","10","aaa","100","b","2","bb","20","bbb","200","c","3","cc","30","ccc","300","ddd","400","eee","5000000000",
"0","hash_zipped","hash","a","1","b","2","c","3",
"0","list","list","1","2","3","a","b","c","100000","6000000000","1","2","3","a","b","c","100000","6000000000","1","2","3","a","b","c","100000","6000000000",
"0","list_zipped","list","1","2","3","a","b","c","100000","6000000000",
"0","number","string","10"
"0","set","set","1","100000","2","3","6000000000","a","b","c",
"0","set_zipped_1","set","1","2","3","4",
"0","set_zipped_2","set","100000","200000","300000","400000",
"0","set_zipped_3","set","1000000000","2000000000","3000000000","4000000000","5000000000","6000000000",
"0","string","string","Hello World"
"0","zset","zset","a","1","b","2","c","3","aa","10","bb","20","cc","30","aaa","100","bbb","200","ccc","300","aaaa","1000","cccc","123456789","bbbb","5000000000",
"0","zset_zipped","zset","a","1","b","2","c","3",
}
}

set server_path [tmpdir "server.rdb-startup-test"]

start_server [list overrides [list "dir" $server_path]] {
    test {Server started empty with non-existing RDB file} {
        r debug digest
    } {0000000000000000000000000000000000000000}
    # Save an RDB file, needed for the next test.
    r save
}

start_server [list overrides [list "dir" $server_path]] {
    test {Server started empty with empty RDB file} {
        r debug digest
    } {0000000000000000000000000000000000000000}
}

start_server [list overrides [list "dir" $server_path]] {
    test {Test RDB stream encoding} {
        for {set j 0} {$j < 1000} {incr j} {
            if {rand() < 0.9} {
                r xadd stream * foo $j
            } else {
                r xadd stream * bar $j
            }
        }
        r xgroup create stream mygroup 0
        r xreadgroup GROUP mygroup Alice COUNT 1 STREAMS stream >
        set digest [r debug digest]
        r debug reload
        set newdigest [r debug digest]
        assert {$digest eq $newdigest}
        r del stream
    }
}

# Helper function to start a server and kill it, just to check the error
# logged.
set defaults {}
proc start_server_and_kill_it {overrides code} {
    upvar defaults defaults srv srv server_path server_path
    set config [concat $defaults $overrides]
    set srv [start_server [list overrides $config]]
    uplevel 1 $code
    kill_server $srv
}

# Make the RDB file unreadable
file attributes [file join $server_path dump.rdb] -permissions 0222

# Detect root account (it is able to read the file even with 002 perm)
set isroot 0
catch {
    open [file join $server_path dump.rdb]
    set isroot 1
}

# Now make sure the server aborted with an error
if {!$isroot} {
    start_server_and_kill_it [list "dir" $server_path] {
        test {Server should not start if RDB file can't be open} {
            wait_for_condition 50 100 {
                [string match {*Fatal error loading*} \
                    [exec tail -1 < [dict get $srv stdout]]]
            } else {
                fail "Server started even if RDB was unreadable!"
            }
        }
    }
}

# Fix permissions of the RDB file.
file attributes [file join $server_path dump.rdb] -permissions 0666

# Corrupt its CRC64 checksum.
set filesize [file size [file join $server_path dump.rdb]]
set fd [open [file join $server_path dump.rdb] r+]
fconfigure $fd -translation binary
seek $fd -8 end
puts -nonewline $fd "foobar00"; # Corrupt the checksum
close $fd

# Now make sure the server aborted with an error
start_server_and_kill_it [list "dir" $server_path] {
    test {Server should not start if RDB is corrupted} {
        wait_for_condition 50 100 {
            [string match {*CRC error*} \
                [exec tail -10 < [dict get $srv stdout]]]
        } else {
            fail "Server started even if RDB was corrupted!"
        }
    }
}