diff --git a/tests/elements/test_spinner.py b/tests/elements/test_spinner.py
new file mode 100644
index 0000000..ef5ad55
--- /dev/null
+++ b/tests/elements/test_spinner.py
@@ -0,0 +1,17 @@
+from uiwiz import ui
+
+
+def test_spinner():
+    spin = None
+    with ui.button("Click me") as btn:
+        spin = ui.spinner(btn)
+    assert f"#{spin.id}" == btn.attributes["hx-indicator"]
+
+
+def test_spinner_multiple():
+    spin = None
+    tx = ui.textarea("Hello")
+    with ui.button("Click me") as btn:
+        spin = ui.spinner(btn, tx)
+    assert f"#{spin.id}" == btn.attributes["hx-indicator"]
+    assert f"#{spin.id}" == tx.attributes["hx-indicator"]