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 P4USER=author
  51 P4EDITOR=:
  52 unset P4CHARSET
  53 export P4PORT P4CLIENT P4USER P4EDITOR P4CHARSET
  54
  55 db="$TRASH_DIRECTORY/db"
  56 cli="$TRASH_DIRECTORY/cli"
  57 git="$TRASH_DIRECTORY/git"
  58 pidfile="$TRASH_DIRECTORY/p4d.pid"
  59
  60 start_p4d() {
  61         mkdir -p "$db" "$cli" "$git" &&
  62         rm -f "$pidfile" &&
  63         (
  64                 cd "$db" &&
  65                 {
  66                         p4d -q -p $P4DPORT &
  67                         echo $! >"$pidfile"
  68                 }
  69         ) &&
  70
  71         # This gives p4d a long time to start up, as it can be
  72         # quite slow depending on the machine.  Set this environment
  73         # variable to something smaller to fail faster in, say,
  74         # an automated test setup.  If the p4d process dies, that
  75         # will be caught with the "kill -0" check below.
  76         i=${P4D_START_PATIENCE:-300}
  77         pid=$(cat "$pidfile")
  78         ready=
  79         while test $i -gt 0
  80         do
  81                 # succeed when p4 client commands start to work
  82                 if p4 info >/dev/null 2>&1
  83                 then
  84                         ready=true
  85                         break
  86                 fi
  87                 # fail if p4d died
  88                 kill -0 $pid 2>/dev/null || break
  89                 echo waiting for p4d to start
  90                 sleep 1
  91                 i=$(( $i - 1 ))
  92         done
  93
  94         if test -z "$ready"
  95         then
  96                 # p4d failed to start
  97                 return 1
  98         fi
  99
 100         # build a p4 user so author@example.com has an entry
 101         p4_add_user author
 102
 103         # build a client
 104         client_view "//depot/... //client/..." &&
 105
 106         return 0
 107 }
 108
 109 p4_add_user() {
 110         name=$1 &&
 111         p4 user -f -i <<-EOF
 112         User: $name
 113         Email: $name@example.com
 114         FullName: Dr. $name
 115         EOF
 116 }
 117
 118 kill_p4d() {
 119         pid=$(cat "$pidfile")
 120         # it had better exist for the first kill
 121         kill $pid &&
 122         for i in 1 2 3 4 5 ; do
 123                 kill $pid >/dev/null 2>&1 || break
 124                 sleep 1
 125         done &&
 126         # complain if it would not die
 127         test_must_fail kill $pid >/dev/null 2>&1 &&
 128         rm -rf "$db" "$cli" "$pidfile"
 129 }
 130
 131 cleanup_git() {
 132         rm -rf "$git" &&
 133         mkdir "$git"
 134 }
 135
 136 marshal_dump() {
 137         what=$1 &&
 138         line=${2:-1} &&
 139         cat >"$TRASH_DIRECTORY/marshal-dump.py" <<-EOF &&
 140         import marshal
 141         import sys
 142         for i in range($line):
 143             d = marshal.load(sys.stdin)
 144         print d['$what']
 145         EOF
 146         "$PYTHON_PATH" "$TRASH_DIRECTORY/marshal-dump.py"
 147 }
 148
 149 #
 150 # Construct a client with this list of View lines
 151 #
 152 client_view() {
 153         (
 154                 cat <<-EOF &&
 155                 Client: $P4CLIENT
 156                 Description: $P4CLIENT
 157                 Root: $cli
 158                 AltRoots: $(native_path "$cli")
 159                 LineEnd: unix
 160                 View:
 161                 EOF
 162                 printf "\t%s\n" "$@"
 163         ) | p4 client -i
 164 }
 165
 166 is_cli_file_writeable() {
 167         # cygwin version of p4 does not set read-only attr,
 168         # will be marked 444 but -w is true
 169         file="$1" &&
 170         if test_have_prereq CYGWIN && p4 -V | grep -q CYGWIN
 171         then
 172                 stat=$(stat --format=%a "$file") &&
 173                 test $stat = 644
 174         else
 175                 test -w "$file"
 176         fi
 177 }