Initial tests for worlds

tests/test_world.py

@@ -0,0 +1,35 @@
+"""Tests for worlds"""
+import importlib.util
+import os
+from pathlib import Path
+
+import pytest
+
+from pytiled_parser import world
+
+TESTS_DIR = Path(os.path.dirname(os.path.abspath(__file__)))
+TEST_DATA = TESTS_DIR / "test_data"
+WORLD_TESTS = TEST_DATA / "world_tests"
+
+ALL_WORLD_TESTS = [
+    WORLD_TESTS / "static_defined",
+    WORLD_TESTS / "pattern_matched",
+    WORLD_TESTS / "both",
+]
+
+
+@pytest.mark.parametrize("world_test", ALL_WORLD_TESTS)
+def test_world_integration(world_test):
+    # it's a PITA to import like this, don't do it
+    # https://stackoverflow.com/a/67692/1342874
+    spec = importlib.util.spec_from_file_location(
+        "expected", world_test / "expected.py"
+    )
+    expected = importlib.util.module_from_spec(spec)
+    spec.loader.exec_module(expected)
+
+    raw_world_path = world_test / "world.world"
+
+    casted_world = world.parse_world(raw_world_path)
+
+    assert casted_world == expected.EXPECTED