From 00c289b25035faa590fe44bd8ce0b748ccd2ba82 Mon Sep 17 00:00:00 2001
From: P. J. McDermott <pjm@nac.net>
Date: Mon, 27 May 2013 05:59:52 -0400
Subject: Implement a proper unit testing framework.

---
diff --git a/Makefile.in b/Makefile.in
index 08e0476..a13e63b 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -229,6 +229,41 @@ uninstall-archtab:
 	@rmdir '$(DESTDIR)/$(archtabdir)'
 	@rmdir '$(DESTDIR)/$(pkgdatadir)'
 
+test:
+	@set -e; \
+	mkdir -p tests; \
+	cd tests; \
+	. ./testlib.sh; \
+	PATH="$${PATH}:$(DESTDIR)/$(bindir)"; \
+	t_all=0; t_failed=0; \
+	for t_test in $(tests); do \
+		t_fail='false'; \
+		. "$(srcdir)/$${t_test}" >out 2>&1; \
+		if "$${t_fail}"; then \
+			printf 'FAIL: %s\n' "$${t_test#tests/}"; \
+			cat out | sed 's/^/    /'; \
+			t_failed=$$(($$t_failed + 1)); \
+		else \
+			printf 'PASS: %s\n' "$${t_test#tests/}"; \
+		fi; \
+		t_all=$$(($$t_all + 1)); \
+		rm out; \
+	done; \
+	t_banner="$$(printf '%d out of %d tests failed' \
+		$${t_failed} $${t_all})"; \
+	t_l=$$(printf '%s\n' "$${t_banner}" | wc -c); \
+	t_i=1; while [ "$${t_i}" -lt "$${t_l}" ]; do \
+		printf '='; \
+		t_i=$$(($$t_i + 1)); \
+	done; \
+	printf '\n%s\n' "$${t_banner}"; \
+	t_i=1; while [ "$${t_i}" -lt "$${t_l}" ]; do \
+		printf '='; \
+		t_i=$$(($$t_i + 1)); \
+	done; \
+	printf '\n'; \
+	[ $${t_failed} -eq 0 ]
+
 $(distdir):
 	@mkdir -p '$(distdir)'
 	@set -e; for f in $(distfiles); do \
diff --git a/tests/testlib.sh b/tests/testlib.sh
new file mode 100644
index 0000000..d3fe350
--- /dev/null
+++ b/tests/testlib.sh
@@ -0,0 +1,40 @@
+assert()
+{
+	if ! t_out=$(eval 2>&1 "${@}"); then
+		printf 'Assertion failed: %s\n' "${*}"
+		printf '%s\n' "${t_out}" | sed 's/^/    /'
+		t_fail='true'
+	fi
+}
+
+test_nodes()
+{
+	t_dir="${1}"
+	shift 1
+	if [ ${#} -gt 0 ]; then
+		printf "${t_dir}%s\n" "${@}" | sort >expected
+	else
+		>expected
+	fi
+	find "${t_dir}" -exec ls -dF '{}' ';' | sort >actual
+	diff -u expected actual
+	t_ret=${?}
+	rm -f expected actual
+	return ${t_ret}
+}
+
+test_non_dir_nodes()
+{
+	t_dir="${1}"
+	shift 1
+	if [ ${#} -gt 0 ]; then
+		printf "${t_dir}%s\n" "${@}" | sort >expected
+	else
+		>expected
+	fi
+	find "${t_dir}" ! -type d | sort >actual
+	diff -u expected actual
+	t_ret=${?}
+	rm -f expected actual
+	return ${t_ret}
+}
--
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