t / lib-git-daemon.shon commit Merge branch 'sg/stress-test' (feb9a9b)
   1# Shell library to run git-daemon in tests.  Ends the test early if
   2# GIT_TEST_GIT_DAEMON is not set.
   3#
   4# Usage:
   5#
   6#       . ./test-lib.sh
   7#       . "$TEST_DIRECTORY"/lib-git-daemon.sh
   8#       start_git_daemon
   9#
  10#       test_expect_success '...' '
  11#               ...
  12#       '
  13#
  14#       test_expect_success ...
  15#
  16#       stop_git_daemon
  17#       test_done
  18
  19test_tristate GIT_TEST_GIT_DAEMON
  20if test "$GIT_TEST_GIT_DAEMON" = false
  21then
  22        skip_all="git-daemon testing disabled (unset GIT_TEST_GIT_DAEMON to enable)"
  23        test_done
  24fi
  25
  26if test_have_prereq !PIPE
  27then
  28        test_skip_or_die $GIT_TEST_GIT_DAEMON "file system does not support FIFOs"
  29fi
  30
  31test_set_port LIB_GIT_DAEMON_PORT
  32
  33GIT_DAEMON_PID=
  34GIT_DAEMON_DOCUMENT_ROOT_PATH="$PWD"/repo
  35GIT_DAEMON_HOST_PORT=127.0.0.1:$LIB_GIT_DAEMON_PORT
  36GIT_DAEMON_URL=git://$GIT_DAEMON_HOST_PORT
  37
  38start_git_daemon() {
  39        if test -n "$GIT_DAEMON_PID"
  40        then
  41                error "start_git_daemon already called"
  42        fi
  43
  44        mkdir -p "$GIT_DAEMON_DOCUMENT_ROOT_PATH"
  45
  46        trap 'code=$?; stop_git_daemon; (exit $code); die' EXIT
  47
  48        say >&3 "Starting git daemon ..."
  49        mkfifo git_daemon_output
  50        ${LIB_GIT_DAEMON_COMMAND:-git daemon} \
  51                --listen=127.0.0.1 --port="$LIB_GIT_DAEMON_PORT" \
  52                --reuseaddr --verbose \
  53                --base-path="$GIT_DAEMON_DOCUMENT_ROOT_PATH" \
  54                "$@" "$GIT_DAEMON_DOCUMENT_ROOT_PATH" \
  55                >&3 2>git_daemon_output &
  56        GIT_DAEMON_PID=$!
  57        {
  58                read -r line <&7
  59                printf "%s\n" "$line" >&4
  60                cat <&7 >&4 &
  61        } 7<git_daemon_output &&
  62
  63        # Check expected output
  64        if test x"$(expr "$line" : "\[[0-9]*\] \(.*\)")" != x"Ready to rumble"
  65        then
  66                kill "$GIT_DAEMON_PID"
  67                wait "$GIT_DAEMON_PID"
  68                trap 'die' EXIT
  69                test_skip_or_die $GIT_TEST_GIT_DAEMON \
  70                        "git daemon failed to start"
  71        fi
  72}
  73
  74stop_git_daemon() {
  75        if test -z "$GIT_DAEMON_PID"
  76        then
  77                return
  78        fi
  79
  80        trap 'die' EXIT
  81
  82        # kill git-daemon child of git
  83        say >&3 "Stopping git daemon ..."
  84        kill "$GIT_DAEMON_PID"
  85        wait "$GIT_DAEMON_PID" >&3 2>&4
  86        ret=$?
  87        if ! test_match_signal 15 $ret
  88        then
  89                error "git daemon exited with status: $ret"
  90        fi
  91        GIT_DAEMON_PID=
  92        rm -f git_daemon_output
  93}
  94
  95# A stripped-down version of a netcat client, that connects to a "host:port"
  96# given in $1, sends its stdin followed by EOF, then dumps the response (until
  97# EOF) to stdout.
  98fake_nc() {
  99        if ! test_declared_prereq FAKENC
 100        then
 101                echo >&4 "fake_nc: need to declare FAKENC prerequisite"
 102                return 127
 103        fi
 104        perl -Mstrict -MIO::Socket::INET -e '
 105                my $s = IO::Socket::INET->new(shift)
 106                        or die "unable to open socket: $!";
 107                print $s <STDIN>;
 108                $s->shutdown(1);
 109                print <$s>;
 110        ' "$@"
 111}
 112
 113test_lazy_prereq FAKENC '
 114        perl -MIO::Socket::INET -e "exit 0"
 115'