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-rw-r--r--t/test-lib.sh58
1 files changed, 58 insertions, 0 deletions
diff --git a/t/test-lib.sh b/t/test-lib.sh
index c86114166..4be466edb 100644
--- a/t/test-lib.sh
+++ b/t/test-lib.sh
@@ -302,6 +302,64 @@ 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:
#