Add a very very simple test checking that the parser actually works.

tests/test_parser.py

@@ -0,0 +1,33 @@
+from ziffers import *
+
+def test_can_parse():
+    expressions = [
+            "[1 [2 3]]",
+            "(1 (1,3) 1..3)",
+            "_^ q _qe^3 qww_4 _123 <1 2>",
+            "q _2 _ 3 ^ 343",
+            "2 qe2 e4",
+            "q 2 <3 343>",
+            "q (2 <3 343 (3 4)>)",
+    ]
+    results = []
+    for expression in expressions:
+        try:
+            print(f"Parsing expression: {expression}")
+            result = parse_expression(expression)
+            results.append(True)
+        except Exception as e:
+            print(e)
+            results.append(False)
+
+    # Return true if all the results are true (succesfully parsed)
+    print(results)
+    assert all(results)
+
+#print(ziffers_parser.parse("[1 [2 3]]"))
+#print(ziffers_parser.parse("(1 (1,3) 1..3)"))
+#print(ziffers_parser.parse("_^ q _qe^3 qww_4 _123 <1 2>"))
+#print(ziffers_parser.parse("q _2 _ 3 ^ 343"))
+#print(ziffers_parser.parse("2 qe2 e4").values)
+#print(ziffers_parser.parse("q 2 <3 343>"))
+#print(ziffers_parser.parse("q (2 <3 343 (3 4)>)"))