t/lib-git-p4.sh

   1 #
   2 # Library code for git p4 tests
   3 #
   4
   5 # p4 tests never use the top-level repo; always build/clone into
   6 # a subdirectory called "$git"
   7 TEST_NO_CREATE_REPO=NoThanks
   8
   9 . ./test-lib.sh
  10
  11 if ! test_have_prereq PYTHON; then
  12         skip_all='skipping git p4 tests; python not available'
  13         test_done
  14 fi
  15 ( p4 -h && p4d -h ) >/dev/null 2>&1 || {
  16         skip_all='skipping git p4 tests; no p4 or p4d'
  17         test_done
  18 }
  19
  20 # Try to pick a unique port: guess a large number, then hope
  21 # no more than one of each test is running.
  22 #
  23 # This does not handle the case where somebody else is running the
  24 # same tests and has chosen the same ports.
  25 testid=${this_test#t}
  26 git_p4_test_start=9800
  27 P4DPORT=$((10669 + ($testid - $git_p4_test_start)))
  28
  29 export P4PORT=localhost:$P4DPORT
  30 export P4CLIENT=client
  31 export P4EDITOR=:
  32
  33 db="$TRASH_DIRECTORY/db"
  34 cli=$(test-path-utils real_path "$TRASH_DIRECTORY/cli")
  35 git="$TRASH_DIRECTORY/git"
  36 pidfile="$TRASH_DIRECTORY/p4d.pid"
  37
  38 start_p4d() {
  39         mkdir -p "$db" "$cli" "$git" &&
  40         rm -f "$pidfile" &&
  41         (
  42                 p4d -q -r "$db" -p $P4DPORT &
  43                 echo $! >"$pidfile"
  44         ) &&
  45
  46         # This gives p4d a long time to start up, as it can be
  47         # quite slow depending on the machine.  Set this environment
  48         # variable to something smaller to fail faster in, say,
  49         # an automated test setup.  If the p4d process dies, that
  50         # will be caught with the "kill -0" check below.
  51         i=${P4D_START_PATIENCE:-300}
  52         pid=$(cat "$pidfile")
  53         ready=
  54         while test $i -gt 0
  55         do
  56                 # succeed when p4 client commands start to work
  57                 if p4 info >/dev/null 2>&1
  58                 then
  59                         ready=true
  60                         break
  61                 fi
  62                 # fail if p4d died
  63                 kill -0 $pid 2>/dev/null || break
  64                 echo waiting for p4d to start
  65                 sleep 1
  66                 i=$(( $i - 1 ))
  67         done
  68
  69         if test -z "$ready"
  70         then
  71                 # p4d failed to start
  72                 return 1
  73         fi
  74
  75         # build a client
  76         (
  77                 cd "$cli" &&
  78                 p4 client -i <<-EOF
  79                 Client: client
  80                 Description: client
  81                 Root: $cli
  82                 View: //depot/... //client/...
  83                 EOF
  84         )
  85         return 0
  86 }
  87
  88 kill_p4d() {
  89         pid=$(cat "$pidfile")
  90         # it had better exist for the first kill
  91         kill $pid &&
  92         for i in 1 2 3 4 5 ; do
  93                 kill $pid >/dev/null 2>&1 || break
  94                 sleep 1
  95         done &&
  96         # complain if it would not die
  97         test_must_fail kill $pid >/dev/null 2>&1 &&
  98         rm -rf "$db" "$cli" "$pidfile"
  99 }
 100
 101 cleanup_git() {
 102         rm -rf "$git" &&
 103         mkdir "$git"
 104 }
 105
 106 marshal_dump() {
 107         what=$1 &&
 108         line=${2:-1} &&
 109         cat >"$TRASH_DIRECTORY/marshal-dump.py" <<-EOF &&
 110         import marshal
 111         import sys
 112         for i in range($line):
 113             d = marshal.load(sys.stdin)
 114         print d['$what']
 115         EOF
 116         "$PYTHON_PATH" "$TRASH_DIRECTORY/marshal-dump.py"
 117 }