1 files changed, 28 insertions, 0 deletions
diff --git a/tests/test_canonical_displays.py b/tests/test_canonical_displays.py
new file mode 100644
index 0000000..627e3a0
--- /dev/null
+++ b/tests/test_canonical_displays.py
@@ -0,0 +1,28 @@
+import json
+import subprocess
+import unittest
+from pathlib import Path
+
+ROOT = Path(__file__).resolve().parents[1]
+EXTENSION = ROOT / "dot_local/share/gnome-shell/extensions/external-display@dotfiles"
+
+
+class DisplayTests(unittest.TestCase):
+    def test_metadata(self):
+        metadata = json.loads((EXTENSION / "metadata.json").read_text())
+        self.assertEqual(metadata["uuid"], "external-display@dotfiles")
+        self.assertIn("50", metadata["shell-version"])
+
+    def test_connection_changes_and_lifecycle(self):
+        code = "\n".join(
+            line
+            for line in (EXTENSION / "extension.js").read_text().splitlines()
+            if not line.startswith("import ")
+        ).replace("export default class", "class")
+        harness = (ROOT / "tests/fixtures/display-lifecycle.js").read_text()
+        subprocess.run(
+            ["node", "--input-type=module"],
+            input=harness.replace("// EXTENSION", code),
+            text=True,
+            check=True,
+        )