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
  12 then
  13         skip_all='skipping git p4 tests; python not available'
  14         test_done
  15 fi
  16 ( p4 -h && p4d -h ) >/dev/null 2>&1 || {
  17         skip_all='skipping git p4 tests; no p4 or p4d'
  18         test_done
  19 }
  20
  21 # On cygwin, the NT version of Perforce can be used.  When giving
  22 # it paths, either on the command-line or in client specifications,
  23 # be sure to use the native windows form.
  24 #
  25 # Older versions of perforce were available compiled natively for
  26 # cygwin.  Those do not accept native windows paths, so make sure
  27 # not to convert for them.
  28 native_path() {
  29         path="$1" &&
  30         if test_have_prereq CYGWIN && ! p4 -V | grep -q CYGWIN
  31         then
  32                 path=$(cygpath --windows "$path")
  33         else
  34                 path=$(test-path-utils real_path "$path")
  35         fi &&
  36         echo "$path"
  37 }
  38
  39 # Try to pick a unique port: guess a large number, then hope
  40 # no more than one of each test is running.
  41 #
  42 # This does not handle the case where somebody else is running the
  43 # same tests and has chosen the same ports.
  44 testid=${this_test#t}
  45 git_p4_test_start=9800
  46 P4DPORT=$((10669 + ($testid - $git_p4_test_start)))
  47
  48 P4PORT=localhost:$P4DPORT
  49 P4CLIENT=client
  50 P4EDITOR=:
  51 export P4PORT P4CLIENT P4EDITOR
  52
  53 db="$TRASH_DIRECTORY/db"
  54 cli="$TRASH_DIRECTORY/cli"
  55 git="$TRASH_DIRECTORY/git"
  56 pidfile="$TRASH_DIRECTORY/p4d.pid"
  57
  58 start_p4d() {
  59         mkdir -p "$db" "$cli" "$git" &&
  60         rm -f "$pidfile" &&
  61         (
  62                 cd "$db" &&
  63                 {
  64                         p4d -q -p $P4DPORT &
  65                         echo $! >"$pidfile"
  66                 }
  67         ) &&
  68
  69         # This gives p4d a long time to start up, as it can be
  70         # quite slow depending on the machine.  Set this environment
  71         # variable to something smaller to fail faster in, say,
  72         # an automated test setup.  If the p4d process dies, that
  73         # will be caught with the "kill -0" check below.
  74         i=${P4D_START_PATIENCE:-300}
  75         pid=$(cat "$pidfile")
  76         ready=
  77         while test $i -gt 0
  78         do
  79                 # succeed when p4 client commands start to work
  80                 if p4 info >/dev/null 2>&1
  81                 then
  82                         ready=true
  83                         break
  84                 fi
  85                 # fail if p4d died
  86                 kill -0 $pid 2>/dev/null || break
  87                 echo waiting for p4d to start
  88                 sleep 1
  89                 i=$(( $i - 1 ))
  90         done
  91
  92         if test -z "$ready"
  93         then
  94                 # p4d failed to start
  95                 return 1
  96         fi
  97
  98         # build a client
  99         client_view "//depot/... //client/..." &&
 100
 101         return 0
 102 }
 103
 104 kill_p4d() {
 105         pid=$(cat "$pidfile")
 106         # it had better exist for the first kill
 107         kill $pid &&
 108         for i in 1 2 3 4 5 ; do
 109                 kill $pid >/dev/null 2>&1 || break
 110                 sleep 1
 111         done &&
 112         # complain if it would not die
 113         test_must_fail kill $pid >/dev/null 2>&1 &&
 114         rm -rf "$db" "$cli" "$pidfile"
 115 }
 116
 117 cleanup_git() {
 118         rm -rf "$git" &&
 119         mkdir "$git"
 120 }
 121
 122 marshal_dump() {
 123         what=$1 &&
 124         line=${2:-1} &&
 125         cat >"$TRASH_DIRECTORY/marshal-dump.py" <<-EOF &&
 126         import marshal
 127         import sys
 128         for i in range($line):
 129             d = marshal.load(sys.stdin)
 130         print d['$what']
 131         EOF
 132         "$PYTHON_PATH" "$TRASH_DIRECTORY/marshal-dump.py"
 133 }
 134
 135 #
 136 # Construct a client with this list of View lines
 137 #
 138 client_view() {
 139         (
 140                 cat <<-EOF &&
 141                 Client: $P4CLIENT
 142                 Description: $P4CLIENT
 143                 Root: $cli
 144                 AltRoots: $(native_path "$cli")
 145                 LineEnd: unix
 146                 View:
 147                 EOF
 148                 printf "\t%s\n" "$@"
 149         ) | p4 client -i
 150 }
 151
 152 is_cli_file_writeable() {
 153         # cygwin version of p4 does not set read-only attr,
 154         # will be marked 444 but -w is true
 155         file="$1" &&
 156         if test_have_prereq CYGWIN && p4 -V | grep -q CYGWIN
 157         then
 158                 stat=$(stat --format=%a "$file") &&
 159                 test $stat = 644
 160         else
 161                 test -w "$file"
 162         fi
 163 }