Update project layout

test/run_tests.py

@@ -0,0 +1,21 @@
+from xopp2py import parser, abstract_syntax
+from xopp2oml import writer
+import os
+
+if __name__ == "__main__":
+    DATADIR = os.path.join(os.path.dirname(__file__), "test_data")
+
+    class DummyOutput:
+        def write(self, text: str):
+            pass
+
+    def parse(filename):
+        asyntax = parser.parseFile(os.path.join(DATADIR, filename))
+        writer.writeOML(asyntax, filename, "my_xopp", DummyOutput())
+
+    # Just see if these files parse without throwing an exception :)
+    parse("SmallXournalFile.xopp")
+    parse("TwoHiddenLayers.xopp")
+
+
+    print("Tests passed.")