1 files changed, 63 insertions, 0 deletions
diff --git a/test/cases/lib-messages.bats b/test/cases/lib-messages.bats
new file mode 100644
index 0000000..d0b4497
--- /dev/null
+++ b/test/cases/lib-messages.bats
@@ -0,0 +1,63 @@
+#!/usr/bin/env roundup
+
+describe libremessages
+. ./test-common.sh
+
+it_can_be_included_twice() (
+	. libremessages
+	. libremessages
+)
+
+it_can_be_included_with_set_euE() (
+	set -euE
+	. libremessages
+)
+
+it_works_with_no_color_and_set_euE() {
+	(
+		unset TERM
+		set -euE
+		. libremessages
+		msg Foo
+	) >$tmpdir/stdout 2>$tmpdir/stderr
+
+	empty $tmpdir/stdout
+	not empty $tmpdir/stderr
+}
+
+it_can_be_called_without_including() {
+	libremessages msg Foo >$tmpdir/stdout 2>$tmpdir/stderr
+
+	empty $tmpdir/stdout
+	not empty $tmpdir/stderr
+}
+
+it_fails_with_msg_and_no_args() {
+	libremessages msg || status=$?
+	[[ $status != 0 ]]
+}
+
+it_allows_subheadings_to_flag() {
+	# Note that old versions of `flag` panicked if given an odd
+	# number of headings, so give an odd number here.
+	libremessages flag \
+		      -a adesc \
+		      -b bdesc \
+		      Head1: \
+		      -c cdesc > $tmpdir/out
+	cat > $tmpdir/exp <<-eot
+		  -a            adesc
+		  -b            bdesc
+		 Head1:
+		  -c            cdesc
+		eot
+	diff -u $tmpdir/exp $tmpdir/out
+}
+
+it_is_quiet_on_stdout_on_errs() {
+	LC_ALL=C bash -euE -c '. libremessages; setup_traps; false' >"$tmpdir/stdout" 2>"$tmpdir/stderr" || status=$?
+
+	[[ $status != 0 ]]
+	empty "$tmpdir/stdout"
+	grep '==> ERROR:' "$tmpdir/stderr"
+}