t/lib-git-p4.sh

   1 #
   2 # Library code for git p4 tests
   3 #
   4
   5 . ./test-lib.sh
   6
   7 if ! test_have_prereq PYTHON; then
   8         skip_all='skipping git p4 tests; python not available'
   9         test_done
  10 fi
  11 ( p4 -h && p4d -h ) >/dev/null 2>&1 || {
  12         skip_all='skipping git p4 tests; no p4 or p4d'
  13         test_done
  14 }
  15
  16 # Try to pick a unique port: guess a large number, then hope
  17 # no more than one of each test is running.
  18 #
  19 # This does not handle the case where somebody else is running the
  20 # same tests and has chosen the same ports.
  21 testid=${this_test#t}
  22 git_p4_test_start=9800
  23 P4DPORT=$((10669 + ($testid - $git_p4_test_start)))
  24
  25 export P4PORT=localhost:$P4DPORT
  26 export P4CLIENT=client
  27 export P4EDITOR=:
  28
  29 db="$TRASH_DIRECTORY/db"
  30 cli=$(test-path-utils real_path "$TRASH_DIRECTORY/cli")
  31 git="$TRASH_DIRECTORY/git"
  32 pidfile="$TRASH_DIRECTORY/p4d.pid"
  33
  34 start_p4d() {
  35         mkdir -p "$db" "$cli" "$git" &&
  36         rm -f "$pidfile" &&
  37         (
  38                 p4d -q -r "$db" -p $P4DPORT &
  39                 echo $! >"$pidfile"
  40         ) &&
  41
  42         # This gives p4d a long time to start up, as it can be
  43         # quite slow depending on the machine.  Set this environment
  44         # variable to something smaller to fail faster in, say,
  45         # an automated test setup.  If the p4d process dies, that
  46         # will be caught with the "kill -0" check below.
  47         i=${P4D_START_PATIENCE:-300}
  48         pid=$(cat "$pidfile")
  49         ready=
  50         while test $i -gt 0
  51         do
  52                 # succeed when p4 client commands start to work
  53                 if p4 info >/dev/null 2>&1
  54                 then
  55                         ready=true
  56                         break
  57                 fi
  58                 # fail if p4d died
  59                 kill -0 $pid 2>/dev/null || break
  60                 echo waiting for p4d to start
  61                 sleep 1
  62                 i=$(( $i - 1 ))
  63         done
  64
  65         if test -z "$ready"
  66         then
  67                 # p4d failed to start
  68                 return 1
  69         fi
  70
  71         # build a client
  72         (
  73                 cd "$cli" &&
  74                 p4 client -i <<-EOF
  75                 Client: client
  76                 Description: client
  77                 Root: $cli
  78                 View: //depot/... //client/...
  79                 EOF
  80         )
  81         return 0
  82 }
  83
  84 kill_p4d() {
  85         pid=$(cat "$pidfile")
  86         # it had better exist for the first kill
  87         kill $pid &&
  88         for i in 1 2 3 4 5 ; do
  89                 kill $pid >/dev/null 2>&1 || break
  90                 sleep 1
  91         done &&
  92         # complain if it would not die
  93         test_must_fail kill $pid >/dev/null 2>&1 &&
  94         rm -rf "$db" "$cli" "$pidfile"
  95 }
  96
  97 cleanup_git() {
  98         rm -rf "$git"
  99 }