Raise error on unrecognised document element

2 files changed, 10 insertions, 2 deletions

diff --git a/mammoth/styles/parser/document_matcher_parser.py b/mammoth/styles/parser/document_matcher_parser.py
index 3f9687d..6d69a8f 100644
--- a/mammoth/styles/parser/document_matcher_parser.py
+++ b/mammoth/styles/parser/document_matcher_parser.py
@@ -1,4 +1,5 @@
 from ... import documents, document_matchers
+from .errors import LineParseError
 from .tokeniser import TokenType
 from .token_parser import try_parse_class_name, parse_string
 
@@ -40,8 +41,7 @@ def parse_document_matcher(tokens):
         return document_matchers.comment_reference
 
     else:
-        # TODO: raise
-        pass
+        raise LineParseError("Unrecognised document element: {0}".format(tokens.next_value(TokenType.IDENTIFIER)))
 
 def _parse_style_name(tokens):
     if tokens.try_skip(TokenType.SYMBOL, "["):
diff --git a/tests/styles/parser/document_matcher_parser_tests.py b/tests/styles/parser/document_matcher_parser_tests.py
index 18109ca..3977cbb 100644
--- a/tests/styles/parser/document_matcher_parser_tests.py
+++ b/tests/styles/parser/document_matcher_parser_tests.py
@@ -2,8 +2,16 @@ from nose.tools import istest, assert_equal
 
 from mammoth import documents, document_matchers
 from mammoth.styles.parser.document_matcher_parser import parse_document_matcher
+from mammoth.styles.parser.errors import LineParseError
 from mammoth.styles.parser.tokeniser import tokenise
 from mammoth.styles.parser.token_iterator import TokenIterator
+from ...testing import assert_raises
+
+
+@istest
+def unrecognised_document_element_raises_error():
+    error = assert_raises(LineParseError, lambda: read_document_matcher("x"))
+    assert_equal("Unrecognised document element: x", str(error))
 
 
 @istest