ci: add Python test

.github/workflows/ci.yml

@@ -22,7 +22,7 @@ jobs:
           test-node: true
           test-python: true
           test-go: true
-          test-swift: false
+          test-swift: true
       - name: Parse Petalisp
         run: |
           git submodule init

bindings/python/tests/test_import.py

@@ -0,0 +1,25 @@
+from unittest import TestCase
+
+import tree_sitter
+import tree_sitter_commonlisp
+
+
+class TestLanguage(TestCase):
+    def test_can_load_grammar(self):
+        try:
+            tree_sitter.Language(tree_sitter_commonlisp.language())
+        except Exception:
+            self.fail("Error loading C++ grammar")
+
+    def test_parse(self):
+        lang = tree_sitter.Language(tree_sitter_commonlisp.language())
+        parser = tree_sitter.Parser(lang)
+        tree = parser.parse(
+            bytes(
+                """
+        (+ 1 1)
+        """,
+                "utf8"
+            )
+        )
+        assert tree