test-common.sh: add an empty() routine to check if a file is empty, use it

1 files changed, 9 insertions, 9 deletions

diff --git a/test/pkgbuild-check-nonfree-test.sh b/test/pkgbuild-check-nonfree-test.sh
index d547e24..80bfc47 100644
--- a/test/pkgbuild-check-nonfree-test.sh
+++ b/test/pkgbuild-check-nonfree-test.sh
@@ -30,31 +30,31 @@ it_displays_usage_text() {
 	stat=$?
 
 	[[ "$(sed 1q $tmpdir/stdout)" =~ Usage:.* ]]
-	[[ -z "$(cat $tmpdir/stderr)" ]]
+	empty $tmpdir/stderr
 	[[ $stat == 0 ]]
 }
 
 it_succeeds_for_free_depends() {
 	$pcn $pcn.d/PKGBUILD.free >$tmpdir/stdout 2>$tmpdir/stderr || stat=$?
 
-	[[ -z "$(cat $tmpdir/stdout)" ]]
-	[[ -n "$(cat $tmpdir/stderr)" ]]
+	empty $tmpdir/stdout
+	! empty $tmpdir/stderr
 	[[ $stat == 0 ]]
 }
 
 it_succeeds_for_nonfree_depend_with_replacement() {
 	$pcn $pcn.d/PKGBUILD.nonfree-replacement >$tmpdir/stdout 2>$tmpdir/stderr || stat=$?
 
-	[[ -z "$(cat $tmpdir/stdout)" ]]
-	[[ -n "$(cat $tmpdir/stderr)" ]]
+	empty $tmpdir/stdout
+	! empty $tmpdir/stderr
 	[[ $stat == 0 ]]
 }
 
 it_fails_with_15_for_nonfree_depend() {
 	$pcn $pcn.d/PKGBUILD.nonfree >$tmpdir/stdout 2>$tmpdir/stderr || stat=$?
 
-	[[ -z "$(cat $tmpdir/stdout)" ]]
-	[[ -n "$(cat $tmpdir/stderr)" ]]
+	empty $tmpdir/stdout
+	! empty $tmpdir/stderr
 	[[ $stat == 15 ]]
 }
 
@@ -65,7 +65,7 @@ it_fails_when_there_is_no_blacklist() {
 
 	$pcn $pcn.d/PKGBUILD.free >$tmpdir/stdout 2>$tmpdir/stderr || stat=$?
 
-	[[ -z "$(cat $tmpdir/stdout)" ]]
-	[[ -n "$(cat $tmpdir/stderr)" ]]
+	empty $tmpdir/stdout
+	! empty $tmpdir/stderr
 	[[ $stat != 0 ]] && [[ $stat != 15 ]]
 }