Use grako instead of PLY to compile EBNF to Python

[phdru.name/cgi-bin/blog-ru/search-tags.git] / parser / test_parser.py

diff --git a/parser/test_parser.py b/parser/test_parser.py
index d13e6e965e5d797f19d21af187b96ede78b6c698..046c31c056b0f1bd7d11184597c8e64e55121f46 100755 (executable)
--- a/parser/test_parser.py
+++ b/parser/test_parser.py
@@ -1,44 +1,60 @@
 #! /usr/bin/env python
 
+
 import unittest
+from grako.exceptions import FailedParse
+
 
 class TestParser(unittest.TestCase):
     def test_01_import(self):
-        global parser
-        from parser import parser
+        global parser, TagsSemantics
+        from parser import TagsParser
+        from build_ast import TagsSemantics
+        parser = TagsParser(parseinfo=False)
+
+    def _parse(self, input):
+        return parser.parse(input, semantics=TagsSemantics())
 
     def test_02_tag(self):
-        self.assertEqual(parser.parse('xxx'), ('NAME', 'xxx'))
+        self.assertEqual(self._parse('xxx'), ('NAME', 'xxx'))
 
     def test_03_bad_tag(self):
-        from ply.lex import LexError
-        self.assertRaises(LexError, parser.parse, 'XXX')
+        self.assertRaises(FailedParse, self._parse, 'XXX')
 
     def test_04_expression(self):
-        self.assertEqual(parser.parse('!(xxx&yyy)'),
+        self.assertEqual(self._parse('!(xxx&yyy)'),
             ('NOT', ('PARENS', ('AND', ('NAME', 'xxx'), ('NAME', 'yyy'))))
         )
-        self.assertEqual(parser.parse('!(xxx & yyy)'),
+        self.assertEqual(self._parse('!(xxx & yyy)'),
             ('NOT', ('PARENS', ('AND', ('NAME', 'xxx'), ('NAME', 'yyy'))))
         )
-        self.assertEqual(parser.parse('!xxx&yyy&zzz|ooo'),
+        self.assertEqual(self._parse('!xxx&yyy&zzz|ooo'),
             ('OR', ('AND', ('AND', ('NOT', ('NAME', 'xxx')), ('NAME', 'yyy')), ('NAME', 'zzz')), ('NAME', 'ooo'))
         )
-        self.assertEqual(parser.parse('!(xxx &&  yyy)'),
+        self.assertEqual(self._parse('!(xxx &&  yyy)'),
             ('NOT', ('PARENS', ('AND', ('NAME', 'xxx'), ('NAME', 'yyy'))))
         )
-        self.assertEqual(parser.parse('!(xxx || yyy)'),
+        self.assertEqual(self._parse('!(xxx || yyy)'),
             ('NOT', ('PARENS', ('OR', ('NAME', 'xxx'), ('NAME', 'yyy'))))
         )
-        self.assertEqual(parser.parse('xxx and yyy'),
+        self.assertEqual(self._parse('xxx and yyy'),
             ('AND', ('NAME', 'xxx'), ('NAME', 'yyy'))
         )
-        self.assertEqual(parser.parse('xxx or  yyy'),
+        self.assertEqual(self._parse('xxx or  yyy'),
             ('OR', ('NAME', 'xxx'), ('NAME', 'yyy'))
         )
+        self.assertEqual(self._parse('xxx OR yyy'),
+            ('OR', ('NAME', 'xxx'), ('NAME', 'yyy'))
+        )
+        self.assertEqual(self._parse('not xxx'),
+            ('NOT', ('NAME', 'xxx'))
+        )
+        self.assertEqual(self._parse('NOT xxx'),
+            ('NOT', ('NAME', 'xxx'))
+        )
 
     def test_05_bad_expression(self):
-        self.assertIs(parser.parse('!(xxx&yyy'), None)
+        self.assertRaises(FailedParse, self._parse, '!(xxx&yyy')
 
 if __name__ == "__main__":
     unittest.main()