From: Matthias Kruk <m@m10k.eu>
Date: Tue, 20 Apr 2021 14:18:41 +0000 (+0900)
Subject: test/mutex: Add testcases for mutex module
X-Git-Url: https://git.corax.cc/?a=commitdiff_plain;h=36a9b8d3c0cae10b66aa710133c871dc7d4c9be2;p=toolbox

test/mutex: Add testcases for mutex module

This commit adds testcases for all functions of the mutex module.
---

diff --git a/test/mutex.sh b/test/mutex.sh
new file mode 100755
index 0000000..5edbc16
--- /dev/null
+++ b/test/mutex.sh
@@ -0,0 +1,93 @@
+#!/usr/bin/env bats
+
+. toolbox.sh
+include "mutex"
+
+setup() {
+	delete=()
+
+	return 0
+}
+
+
+teardown() {
+	if (( ${#delete[@]} > 0 )); then
+		echo "${delete[*]}" >> /tmp/teardown.bats
+		rm -f "${delete[@]}"
+	fi
+
+	return 0
+}
+
+@test "mutex_trylock() returns success if the lock was created" {
+	local name
+
+	name="test_$RANDOM"
+
+	mutex_trylock "$name"
+	[ -L "$name" ]
+
+	delete+=("$name")
+}
+
+@test "mutex_trylock() returns failure if the lock was not created" {
+	local name
+
+	name="/$RANDOM/$RANDOM/$RANDOM/$RANDOM"
+
+	! [ -d "${name%/*}" ]
+	! mutex_trylock "$name"
+}
+
+@test "mutex_lock() returns success if the lock was created" {
+	local name
+
+	name="test_$RANDOM"
+
+	mutex_lock "$name"
+	[ -L "$name" ]
+
+	delete+=("$name")
+}
+
+@test "mutex_lock() returns failure if the lock was not created" {
+	local name
+
+	# Unlikely to exist path
+	name="/$RANDOM/$RANDOM/RANDOM/$RANDOM"
+
+	! [ -d "${name%/*}" ]
+	! mutex_lock "$name"
+	! [ -L "$name" ]
+}
+
+@test "mutex_unlock() returns success if the lock was removed" {
+	local name
+
+	name="test_$RANDOM"
+
+	mutex_lock "$name"
+	mutex_unlock "$name"
+	! [ -e "$name" ]
+}
+
+@test "mutex_unlock() returns failure if the lock was not removed" {
+	local name
+
+	# Unlikely to exist path
+	name="/$RANDOM/$RANDOM/$RANDOM/$RANDOM"
+
+	! [ -d "${name%/*}" ]
+	! mutex_unlock "$name"
+}
+
+@test "mutex_unlock() returns failure if mutex belongs to a different process" {
+	local name
+
+	name="test_$RANDOM"
+
+	mutex_lock "$name"
+	delete+=("$name")
+
+	( ! mutex_unlock "$name" )
+}