Merge branch 'dr/ceiling'

[git.git] / t / test-lib.sh

diff --git a/t/test-lib.sh b/t/test-lib.sh
index c3a3167382778feb7ff8f5789d86e25869805499..8e2849b5ce915c3984894628e8e3ce990812ddfd 100644 (file)
--- a/t/test-lib.sh
+++ b/t/test-lib.sh
@@ -81,6 +81,8 @@ do
                debug=t; shift ;;
        -i|--i|--im|--imm|--imme|--immed|--immedi|--immedia|--immediat|--immediate)
                immediate=t; shift ;;
+       -l|--l|--lo|--lon|--long|--long-|--long-t|--long-te|--long-tes|--long-test|--long-tests)
+               export GIT_TEST_LONG=t; shift ;;
        -h|--h|--he|--hel|--help)
                help=t; shift ;;
        -v|--v|--ve|--ver|--verb|--verbo|--verbos|--verbose)
@@ -153,6 +155,7 @@ test_failure=0
 test_count=0
 test_fixed=0
 test_broken=0
+test_success=0
 
 die () {
        echo >&5 "FATAL: Unexpected exit with code $?"
@@ -169,7 +172,7 @@ trap 'die' exit
 # environment variables to work around this.
 #
 # In particular, quoting isn't enough, as the path may contain the same quote
-# that we're using. 
+# that we're using.
 test_set_editor () {
        FAKE_EDITOR="$1"
        export FAKE_EDITOR
@@ -194,6 +197,7 @@ test_tick () {
 
 test_ok_ () {
        test_count=$(expr "$test_count" + 1)
+       test_success=$(expr "$test_success" + 1)
        say_color "" "  ok $test_count: $@"
 }
 
@@ -303,6 +307,64 @@ test_expect_code () {
        echo >&3 ""
 }
 
+# test_external runs external test scripts that provide continuous
+# test output about their progress, and succeeds/fails on
+# zero/non-zero exit code.  It outputs the test output on stdout even
+# in non-verbose mode, and announces the external script with "* run
+# <n>: ..." before running it.  When providing relative paths, keep in
+# mind that all scripts run in "trash directory".
+# Usage: test_external description command arguments...
+# Example: test_external 'Perl API' perl ../path/to/test.pl
+test_external () {
+       test "$#" -eq 3 ||
+       error >&5 "bug in the test script: not 3 parameters to test_external"
+       descr="$1"
+       shift
+       if ! test_skip "$descr" "$@"
+       then
+               # Announce the script to reduce confusion about the
+               # test output that follows.
+               say_color "" " run $(expr "$test_count" + 1): $descr ($*)"
+               # Run command; redirect its stderr to &4 as in
+               # test_run_, but keep its stdout on our stdout even in
+               # non-verbose mode.
+               "$@" 2>&4
+               if [ "$?" = 0 ]
+               then
+                       test_ok_ "$descr"
+               else
+                       test_failure_ "$descr" "$@"
+               fi
+       fi
+}
+
+# Like test_external, but in addition tests that the command generated
+# no output on stderr.
+test_external_without_stderr () {
+       # The temporary file has no (and must have no) security
+       # implications.
+       tmp="$TMPDIR"; if [ -z "$tmp" ]; then tmp=/tmp; fi
+       stderr="$tmp/git-external-stderr.$$.tmp"
+       test_external "$@" 4> "$stderr"
+       [ -f "$stderr" ] || error "Internal error: $stderr disappeared."
+       descr="no stderr: $1"
+       shift
+       say >&3 "expecting no stderr from previous command"
+       if [ ! -s "$stderr" ]; then
+               rm "$stderr"
+               test_ok_ "$descr"
+       else
+               if [ "$verbose" = t ]; then
+                       output=`echo; echo Stderr is:; cat "$stderr"`
+               else
+                       output=
+               fi
+               # rm first in case test_failure exits.
+               rm "$stderr"
+               test_failure_ "$descr" "$@" "$output"
+       fi
+}
+
 # This is not among top-level (test_expect_success | test_expect_failure)
 # but is a prefix that can be used in the test script, like:
 #
@@ -346,7 +408,7 @@ test_create_repo () {
        repo="$1"
        mkdir "$repo"
        cd "$repo" || error "Cannot setup test environment"
-       "$GIT_EXEC_PATH/git" init "--template=$GIT_EXEC_PATH/templates/blt/" >/dev/null 2>&1 ||
+       "$GIT_EXEC_PATH/git" init "--template=$GIT_EXEC_PATH/templates/blt/" >&3 2>&4 ||
        error "cannot run git init -- have you built things yet?"
        mv .git/hooks .git/hooks-disabled
        cd "$owd"
@@ -354,6 +416,16 @@ test_create_repo () {
 
 test_done () {
        trap - exit
+       test_results_dir="$TEST_DIRECTORY/test-results"
+       mkdir -p "$test_results_dir"
+       test_results_path="$test_results_dir/${0%-*}-$$"
+
+       echo "total $test_count" >> $test_results_path
+       echo "success $test_success" >> $test_results_path
+       echo "fixed $test_fixed" >> $test_results_path
+       echo "broken $test_broken" >> $test_results_path
+       echo "failed $test_failure" >> $test_results_path
+       echo "" >> $test_results_path
 
        if test "$test_fixed" != 0
        then
@@ -369,7 +441,7 @@ test_done () {
        case "$test_failure" in
        0)
                # We could:
-               # cd .. && rm -fr trash
+               # cd .. && rm -fr 'trash directory'
                # but that means we forbid any tests that use their own
                # subdirectory from calling test_done without coming back
                # to where they started from.
@@ -387,8 +459,9 @@ test_done () {
 }
 
 # Test the binaries we have just built.  The tests are kept in
-# t/ subdirectory and are run in trash subdirectory.
-PATH=$(pwd)/..:$PATH
+# t/ subdirectory and are run in 'trash directory' subdirectory.
+TEST_DIRECTORY=$(pwd)
+PATH=$TEST_DIRECTORY/..:$PATH
 GIT_EXEC_PATH=$(pwd)/..
 GIT_TEMPLATE_DIR=$(pwd)/../templates/blt
 unset GIT_CONFIG
@@ -420,7 +493,9 @@ rm -fr "$test" || {
 }
 
 test_create_repo "$test"
-cd "$test"
+# Use -P to resolve symlinks in our working directory so that the cwd
+# in subprocesses like git equals our $PWD (for pathname comparisons).
+cd -P "$test" || exit 1
 
 this_test=$(expr "./$0" : '.*/\(t[0-9]*\)-[^/]*$')
 for skp in $GIT_SKIP_TESTS