utils/lit/tests/unit/TestRunner.py

   1 # RUN: %{python} %s
   2 #
   3 # END.
   4
   5
   6 import unittest
   7 import platform
   8 import os.path
   9 import tempfile
  10
  11 import lit
  12 import lit.Test as Test
  13 from lit.TestRunner import ParserKind, IntegratedTestKeywordParser, \
  14                            parseIntegratedTestScript
  15
  16
  17 class TestIntegratedTestKeywordParser(unittest.TestCase):
  18     inputTestCase = None
  19
  20     @staticmethod
  21     def load_keyword_parser_lit_tests():
  22         """
  23         Create and load the LIT test suite and test objects used by
  24         TestIntegratedTestKeywordParser
  25         """
  26         # Create the global config object.
  27         lit_config = lit.LitConfig.LitConfig(progname='lit',
  28                                              path=[],
  29                                              quiet=False,
  30                                              useValgrind=False,
  31                                              valgrindLeakCheck=False,
  32                                              valgrindArgs=[],
  33                                              noExecute=False,
  34                                              debug=False,
  35                                              isWindows=(
  36                                                platform.system() == 'Windows'),
  37                                              params={})
  38         TestIntegratedTestKeywordParser.litConfig = lit_config
  39         # Perform test discovery.
  40         test_path = os.path.dirname(os.path.dirname(__file__))
  41         inputs = [os.path.join(test_path, 'Inputs/testrunner-custom-parsers/')]
  42         assert os.path.isdir(inputs[0])
  43         run = lit.run.Run(lit_config,
  44                           lit.discovery.find_tests_for_inputs(lit_config, inputs))
  45         assert len(run.tests) == 1 and "there should only be one test"
  46         TestIntegratedTestKeywordParser.inputTestCase = run.tests[0]
  47
  48     @staticmethod
  49     def make_parsers():
  50         def custom_parse(line_number, line, output):
  51             if output is None:
  52                 output = []
  53             output += [part for part in line.split(' ') if part.strip()]
  54             return output
  55
  56         return [
  57             IntegratedTestKeywordParser("MY_TAG.", ParserKind.TAG),
  58             IntegratedTestKeywordParser("MY_DNE_TAG.", ParserKind.TAG),
  59             IntegratedTestKeywordParser("MY_LIST:", ParserKind.LIST),
  60             IntegratedTestKeywordParser("MY_BOOL:", ParserKind.BOOLEAN_EXPR),
  61             IntegratedTestKeywordParser("MY_RUN:", ParserKind.COMMAND),
  62             IntegratedTestKeywordParser("MY_CUSTOM:", ParserKind.CUSTOM,
  63                                         custom_parse),
  64
  65         ]
  66
  67     @staticmethod
  68     def get_parser(parser_list, keyword):
  69         for p in parser_list:
  70             if p.keyword == keyword:
  71                 return p
  72         assert False and "parser not found"
  73
  74     @staticmethod
  75     def parse_test(parser_list):
  76         script = parseIntegratedTestScript(
  77             TestIntegratedTestKeywordParser.inputTestCase,
  78             additional_parsers=parser_list, require_script=False)
  79         assert not isinstance(script, lit.Test.Result)
  80         assert isinstance(script, list)
  81         assert len(script) == 0
  82
  83     def test_tags(self):
  84         parsers = self.make_parsers()
  85         self.parse_test(parsers)
  86         tag_parser = self.get_parser(parsers, 'MY_TAG.')
  87         dne_tag_parser = self.get_parser(parsers, 'MY_DNE_TAG.')
  88         self.assertTrue(tag_parser.getValue())
  89         self.assertFalse(dne_tag_parser.getValue())
  90
  91     def test_lists(self):
  92         parsers = self.make_parsers()
  93         self.parse_test(parsers)
  94         list_parser = self.get_parser(parsers, 'MY_LIST:')
  95         self.assertEqual(list_parser.getValue(),
  96                               ['one', 'two', 'three', 'four'])
  97
  98     def test_commands(self):
  99         parsers = self.make_parsers()
 100         self.parse_test(parsers)
 101         cmd_parser = self.get_parser(parsers, 'MY_RUN:')
 102         value = cmd_parser.getValue()
 103         self.assertEqual(len(value), 2)  # there are only two run lines
 104         self.assertEqual(value[0].strip(), "%dbg(MY_RUN: at line 4)  baz")
 105         self.assertEqual(value[1].strip(), "%dbg(MY_RUN: at line 7)  foo  bar")
 106
 107     def test_boolean(self):
 108         parsers = self.make_parsers()
 109         self.parse_test(parsers)
 110         bool_parser = self.get_parser(parsers, 'MY_BOOL:')
 111         value = bool_parser.getValue()
 112         self.assertEqual(len(value), 2)  # there are only two run lines
 113         self.assertEqual(value[0].strip(), "a && (b)")
 114         self.assertEqual(value[1].strip(), "d")
 115
 116     def test_boolean_unterminated(self):
 117         parsers = self.make_parsers() + \
 118             [IntegratedTestKeywordParser("MY_BOOL_UNTERMINATED:", ParserKind.BOOLEAN_EXPR)]
 119         try:
 120             self.parse_test(parsers)
 121             self.fail('expected exception')
 122         except ValueError as e:
 123             self.assertIn("Test has unterminated MY_BOOL_UNTERMINATED: lines", str(e))
 124
 125
 126     def test_custom(self):
 127         parsers = self.make_parsers()
 128         self.parse_test(parsers)
 129         custom_parser = self.get_parser(parsers, 'MY_CUSTOM:')
 130         value = custom_parser.getValue()
 131         self.assertEqual(value, ['a', 'b', 'c'])
 132
 133     def test_bad_keywords(self):
 134         def custom_parse(line_number, line, output):
 135             return output
 136
 137         try:
 138             IntegratedTestKeywordParser("TAG_NO_SUFFIX", ParserKind.TAG),
 139             self.fail("TAG_NO_SUFFIX failed to raise an exception")
 140         except ValueError as e:
 141             pass
 142         except BaseException as e:
 143             self.fail("TAG_NO_SUFFIX raised the wrong exception: %r" % e)
 144
 145         try:
 146             IntegratedTestKeywordParser("TAG_WITH_COLON:", ParserKind.TAG),
 147             self.fail("TAG_WITH_COLON: failed to raise an exception")
 148         except ValueError as e:
 149             pass
 150         except BaseException as e:
 151             self.fail("TAG_WITH_COLON: raised the wrong exception: %r" % e)
 152
 153         try:
 154             IntegratedTestKeywordParser("LIST_WITH_DOT.", ParserKind.LIST),
 155             self.fail("LIST_WITH_DOT. failed to raise an exception")
 156         except ValueError as e:
 157             pass
 158         except BaseException as e:
 159             self.fail("LIST_WITH_DOT. raised the wrong exception: %r" % e)
 160
 161         try:
 162             IntegratedTestKeywordParser("CUSTOM_NO_SUFFIX",
 163                                         ParserKind.CUSTOM, custom_parse),
 164             self.fail("CUSTOM_NO_SUFFIX failed to raise an exception")
 165         except ValueError as e:
 166             pass
 167         except BaseException as e:
 168             self.fail("CUSTOM_NO_SUFFIX raised the wrong exception: %r" % e)
 169
 170         # Both '.' and ':' are allowed for CUSTOM keywords.
 171         try:
 172             IntegratedTestKeywordParser("CUSTOM_WITH_DOT.",
 173                                         ParserKind.CUSTOM, custom_parse),
 174         except BaseException as e:
 175             self.fail("CUSTOM_WITH_DOT. raised an exception: %r" % e)
 176         try:
 177             IntegratedTestKeywordParser("CUSTOM_WITH_COLON:",
 178                                         ParserKind.CUSTOM, custom_parse),
 179         except BaseException as e:
 180             self.fail("CUSTOM_WITH_COLON: raised an exception: %r" % e)
 181
 182         try:
 183             IntegratedTestKeywordParser("CUSTOM_NO_PARSER:",
 184                                         ParserKind.CUSTOM),
 185             self.fail("CUSTOM_NO_PARSER: failed to raise an exception")
 186         except ValueError as e:
 187             pass
 188         except BaseException as e:
 189             self.fail("CUSTOM_NO_PARSER: raised the wrong exception: %r" % e)
 190
 191 if __name__ == '__main__':
 192     TestIntegratedTestKeywordParser.load_keyword_parser_lit_tests()
 193     unittest.main(verbosity=2)