X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;ds=sidebyside;f=t%2Ftest-lib.sh;h=7c2a8ba77d312c3196767969a39687bfb12f74c9;hb=b4a299d87ca7a1d39c699ee2af28305e57f3b0ae;hp=83889c4f4690d30fd2d5e969d5d445dfb47ad579;hpb=923d44aeb7cb6d21eeb459fdc1b58137e37c2b1c;p=git.git

diff --git a/t/test-lib.sh b/t/test-lib.sh
index 83889c4f4..7c2a8ba77 100644
--- a/t/test-lib.sh
+++ b/t/test-lib.sh
@@ -3,12 +3,16 @@
 # Copyright (c) 2005 Junio C Hamano
 #
 
+# Keep the original TERM for say_color
+ORIGINAL_TERM=$TERM
+
 # For repeatability, reset the environment to known value.
 LANG=C
 LC_ALL=C
 PAGER=cat
 TZ=UTC
-export LANG LC_ALL PAGER TZ
+TERM=dumb
+export LANG LC_ALL PAGER TERM TZ
 EDITOR=:
 VISUAL=:
 unset GIT_EDITOR
@@ -38,6 +42,7 @@ export GIT_MERGE_VERBOSITY
 export GIT_AUTHOR_EMAIL GIT_AUTHOR_NAME
 export GIT_COMMITTER_EMAIL GIT_COMMITTER_NAME
 export EDITOR VISUAL
+GIT_TEST_CMP=${GIT_TEST_CMP:-diff -u}
 
 # Protect ourselves from common misconfiguration to export
 # CDPATH into the environment
@@ -58,12 +63,14 @@ esac
 # This test checks if command xyzzy does the right thing...
 # '
 # . ./test-lib.sh
-
-[ "x$TERM" != "xdumb" ] &&
-	[ -t 1 ] &&
-	tput bold >/dev/null 2>&1 &&
-	tput setaf 1 >/dev/null 2>&1 &&
-	tput sgr0 >/dev/null 2>&1 &&
+[ "x$ORIGINAL_TERM" != "xdumb" ] && (
+		TERM=$ORIGINAL_TERM &&
+		export TERM &&
+		[ -t 1 ] &&
+		tput bold >/dev/null 2>&1 &&
+		tput setaf 1 >/dev/null 2>&1 &&
+		tput sgr0 >/dev/null 2>&1
+	) &&
 	color=t
 
 while test "$#" -ne 0
@@ -80,7 +87,7 @@ do
 	-q|--q|--qu|--qui|--quie|--quiet)
 		quiet=t; shift ;;
 	--no-color)
-	    color=; shift ;;
+		color=; shift ;;
 	--no-python)
 		# noop now...
 		shift ;;
@@ -91,6 +98,9 @@ done
 
 if test -n "$color"; then
 	say_color () {
+		(
+		TERM=$ORIGINAL_TERM
+		export TERM
 		case "$1" in
 			error) tput bold; tput setaf 1;; # bold red
 			skip)  tput bold; tput setaf 2;; # bold green
@@ -101,6 +111,7 @@ if test -n "$color"; then
 		shift
 		echo "* $*"
 		tput sgr0
+		)
 	}
 else
 	say_color() {
@@ -142,7 +153,12 @@ test_count=0
 test_fixed=0
 test_broken=0
 
-trap 'echo >&5 "FATAL: Unexpected exit with code $?"; exit 1' exit
+die () {
+	echo >&5 "FATAL: Unexpected exit with code $?"
+	exit 1
+}
+
+trap 'die' exit
 
 test_tick () {
 	if test -z "${test_tick+set}"
@@ -270,6 +286,40 @@ test_expect_code () {
 	echo >&3 ""
 }
 
+# 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:
+#
+#	test_expect_success 'complain and die' '
+#           do something &&
+#           do something else &&
+#	    test_must_fail git checkout ../outerspace
+#	'
+#
+# Writing this as "! git checkout ../outerspace" is wrong, because
+# the failure could be due to a segv.  We want a controlled failure.
+
+test_must_fail () {
+	"$@"
+	test $? -gt 0 -a $? -le 129
+}
+
+# test_cmp is a helper function to compare actual and expected output.
+# You can use it like:
+#
+#	test_expect_success 'foo works' '
+#		echo expected >expected &&
+#		foo >actual &&
+#		test_cmp expected actual
+#	'
+#
+# This could be written as either "cmp" or "diff -u", but:
+# - cmp's output is not nearly as easy to read as diff -u
+# - not all diff versions understand "-u"
+
+test_cmp() {
+	$GIT_TEST_CMP "$@"
+}
+
 # Most tests can use the created repository, but some may need to create more.
 # Usage: test_create_repo <directory>
 test_create_repo () {
@@ -342,9 +392,16 @@ if ! test -x ../test-chmtime; then
 	exit 1
 fi
 
+. ../GIT-BUILD-OPTIONS
+
 # Test repository
 test=trash
-rm -fr "$test"
+rm -fr "$test" || {
+	trap - exit
+	echo >&5 "FATAL: Cannot prepare test area"
+	exit 1
+}
+
 test_create_repo $test
 cd "$test"