diff --git a/tests/test_devices.py b/tests/test_devices.py
new file mode 100644
index 0000000..7eaae26
--- /dev/null
+++ b/tests/test_devices.py
@@ -0,0 +1,20 @@
+from compose_viz.models.device import Device
+
+def test_device_init_normal() -> None:
+    try:
+        d = Device(host_path="/dev/ttyUSB0", container_path="/dev/ttyUSB1")
+
+        assert d.host_path == "/dev/ttyUSB0"
+        assert d.container_path == "/dev/ttyUSB1"
+    except Exception as e:
+        assert False, e
+
+def test_device_with_cgroup_permissions() -> None:
+    try:
+        d = Device(host_path="/dev/sda1", container_path="/dev/xvda", cgroup_permissions="rwm")
+
+        assert d.host_path == "/dev/sda1"
+        assert d.container_path == "/dev/xvda"
+        assert d.cgroup_permissions == "rwm"
+    except Exception as e:
+        assert False, e
\ No newline at end of file