#
# Dejagnu tests for pgrep - part of procps
#
set mypid [pid]
set not_ppid [ expr { $mypid + 1 } ]
set pgrep "${topdir}pgrep"
set uid [ exec id -u ]
set not_uid [ expr { $uid + 1 } ] 
set gid [ exec id -g ]
set not_gid [ expr { $gid + 1 } ] 
set raw_tty [ exec tty ]
regexp "/dev/(.+)" $raw_tty > tty

set newsleep_path  [ exec mktemp -u ]
exec ln -s "/bin/sleep" $newsleep_path
set sleep1_pid [ exec $newsleep_path 600 & ]
set sleep2_pid [ exec $newsleep_path 600 & ]
set newsleep [ exec basename $newsleep_path ]
set newsleep_len [ string length $newsleep ]
set newsleep_trim [ string range $newsleep 0 [ expr { $newsleep_len - 2 } ] ]
set sleep1_sid [ exec ps --no-headers -o sid $sleep1_pid ]

spawn readlink $newsleep_path
expect {
  -re "^/bin/sleep\\s*$" { }
  timeout { fail "sleep symlink broken in prgrep tests" }
  eof { fail "sleep symlink broken in prgrep tests" }
}

set test "pgprep with no arguments"
spawn $pgrep
expect_pass "$test" "^pgrep: No matching criteria specified\\s*"

set test "pgrep find both test pids"
spawn $pgrep $newsleep
expect_pass "$test" "^$sleep1_pid\\s+$sleep2_pid\\s*$"

# In Debian only
#set test "pgrep counts 2 test pids"
#spawn $pgrep -c $newsleep
#expect_pass "$test" "^2\\s*"

set test "pgrep with : delimiter"
spawn $pgrep -d : $newsleep
expect_pass "$test" "^${sleep1_pid}:${sleep2_pid}\\s*$"

# FIXME - Need to test against -f flag
#set test "pgrep match against full process name"
#untested $test

set test "pgrep with matching gid"
spawn $pgrep -G $gid $newsleep
expect_pass "$test" "^$sleep1_pid\\s+$sleep2_pid\\s*$"

set test "pgrep with not matching gid"
spawn $pgrep -G $not_gid $newsleep
expect_blank $test

set test "pgrep with process name"
spawn $pgrep -l $newsleep
expect_pass "$test" "^$sleep1_pid\\s+$newsleep\\s+$sleep2_pid\\s+$newsleep\\s*$"

set test "pgrep find newest test pid"
spawn $pgrep -n $newsleep
expect_pass "$test" "^$sleep2_pid\\s*$"

set test "pgrep find oldest test pid"
spawn $pgrep -o $newsleep
expect_pass "$test" "^$sleep1_pid\\s*$"

set test "pgrep matches with parent pid"
spawn $pgrep -P $mypid $newsleep
expect_pass "$test" "^$sleep1_pid\\s+$sleep2_pid\\s*$"

set test "pgrep doesn't match with bogus parent pid"
spawn $pgrep -P $not_ppid $newsleep
expect_blank "$test"

set test "pgrep matches with its own sid"
spawn $pgrep -s $sleep1_sid $newsleep
expect_pass "$test" "^$sleep1_pid\\s+$sleep2_pid\\s*$"

set test "pgrep doesn't match with bogus sid"
spawn $pgrep -s 1 $newsleep
expect_blank "$test"

set test "pgrep matches on tty"
spawn $pgrep -t $tty $newsleep
expect_pass "$test" "^$sleep1_pid\\s+$sleep2_pid\\s*$"

set test "pgrep doesn't match with bogus tty"
spawn $pgrep -t glass $newsleep
expect_blank "$test"

set test "pgrep with matching euid"
spawn $pgrep -u $uid $newsleep
expect_pass "$test" "^$sleep1_pid\\s+$sleep2_pid\\s*$"

set test "pgrep with not matching euid"
spawn $pgrep -u $not_uid $newsleep
expect_blank $test

set test "pgrep with matching uid"
spawn $pgrep -U $uid $newsleep
expect_pass "$test" "^$sleep1_pid\\s+$sleep2_pid\\s*$"

set test "pgrep with not matching uid"
spawn $pgrep -U $not_uid $newsleep
expect_blank $test

set test "pgrep matches on substring"
spawn $pgrep $newsleep_trim
expect_pass "$test" "^$sleep1_pid\\s+$sleep2_pid\\s*$"

set test "pgrep matches full string with exact"
spawn $pgrep -x $newsleep
expect_pass "$test" "^$sleep1_pid\\s+$sleep2_pid\\s*$"

set test "pgrep does not match substring with exact"
spawn $pgrep -x $newsleep_trim
expect_blank $test


# Cleanup
exec kill $sleep1_pid
exec kill $sleep2_pid
exec rm $newsleep_path