fix: fix testing issues

Author: jagalindo

python/test_grammar.py

@@ -6,14 +6,23 @@
 
 TEST_MODELS_DIR = os.path.join(os.path.dirname(__file__), "..", "test_models")
 
+# Semantic errors that the parser cannot detect (only syntax errors are caught)
+SEMANTIC_ERROR_FILES = {
+    "missingreference.uvl",
+    "wrong_attribute_name.uvl",
+    "same_feature_names.uvl",
+}
+
 
 def get_valid_files():
     all_files = glob.glob(os.path.join(TEST_MODELS_DIR, "**", "*.uvl"), recursive=True)
     return [f for f in all_files if os.sep + "faulty" + os.sep not in f]
 
 
-def get_faulty_files():
-    return glob.glob(os.path.join(TEST_MODELS_DIR, "faulty", "*.uvl"))
+def get_faulty_syntax_files():
+    """Only return files with syntax errors (not semantic errors)."""
+    all_faulty = glob.glob(os.path.join(TEST_MODELS_DIR, "faulty", "*.uvl"))
+    return [f for f in all_faulty if os.path.basename(f) not in SEMANTIC_ERROR_FILES]
 
 
 def relative_path(file):
@@ -26,7 +35,7 @@ def test_valid_model(uvl_file):
     assert tree is not None
 
 
-@pytest.mark.parametrize("uvl_file", get_faulty_files(), ids=relative_path)
+@pytest.mark.parametrize("uvl_file", get_faulty_syntax_files(), ids=relative_path)
 def test_faulty_model(uvl_file):
     with pytest.raises(Exception):
         get_tree(uvl_file)

python/uvl/UVLCustomLexer.py

@@ -73,9 +73,10 @@ def atStartOfInput(self):
     def handleNewline(self):
       new_line = re.sub(r"[^\r\n\f]+", "", self._interp.getText(self._input)) #.replaceAll("[^\r\n\f]+", "")
       spaces = re.sub(r"[\r\n\f]+", "", self._interp.getText(self._input)) #.replaceAll("[\r\n\f]+", "")
-      next = self._input.LA(1)
+      next_code = self._input.LA(1)
+      next_char = chr(next_code) if next_code != -1 else ''
 
-      if self.opened > 0 or next == '\r' or next == '\n' or next == '\f' or next == '#':
+      if self.opened > 0 or next_char == '\r' or next_char == '\n' or next_char == '\f' or next_char == '#':
         self.skip()
       else:
         self.emitToken(self.common_token(self.NEWLINE, new_line))