Experimental parser: some tuple removal

tools/lexer_generator/term_test.py

-# Copyright 2013 the V8 project authors. All rights reserved.
+# Copyright 2014 the V8 project authors. All rights reserved.
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 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 #       notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
 #       copyright notice, this list of conditions and the following
 #       disclaimer in the documentation and/or other materials provided
 #       with the distribution.
 #     * Neither the name of Google Inc. nor the names of its
 #       contributors may be used to endorse or promote products derived
 #       from this software without specific prior written permission.
 #
 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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 import unittest
-from code_generator import CodeGenerator
-from rule_parser import RuleProcessor
+from automaton import Term
 
-class CodeGeneratorTestCase(unittest.TestCase):
+class TermTestCase(unittest.TestCase):
 
-  def test_simple(self):
-    rules = '''
-    <<default>>
-    "("           <|LBRACE|>
-    ")"           <|RBRACE|>
+  def test_basic(self):
 
-    "foo"         <|FOO|>
-    eos           <terminate>
-    default_action <DEFAULT>'''
-    CodeGenerator(RuleProcessor.parse(rules, 'latin1'))
+    t = Term('a')
+    self.assertEqual('a', t.name())
+    self.assertEqual((), t.args())
+    self.assertEqual("(a)", str(t))
+    self.assertEqual(Term('a'), t)
+
+    t = Term('a', 'b', 'c')
+    self.assertEqual('a', t.name())
+    self.assertEqual(('b', 'c'), t.args())
+    self.assertEqual("(a,b,c)", str(t))
+    self.assertEqual(Term('a', 'b', 'c'), t)
+
+    t = Term('a', Term('b', 'c'))
+    self.assertEqual('a', t.name())
+    self.assertEqual((Term('b', 'c'), ), t.args())
+    self.assertEqual("(a,(b,c))", str(t))
+    self.assertEqual(Term('a', Term('b', 'c')), t)