utils/lit/lit/TestFormats.py

   1 import os
   2 import sys
   3
   4 import Test
   5 import TestRunner
   6 import Util
   7
   8 kIsWindows = sys.platform in ['win32', 'cygwin']
   9
  10 class GoogleTest(object):
  11     def __init__(self, test_sub_dir, test_suffix):
  12         self.test_sub_dir = os.path.normcase(str(test_sub_dir)).split(';')
  13         self.test_suffix = str(test_suffix)
  14
  15         # On Windows, assume tests will also end in '.exe'.
  16         if kIsWindows:
  17             self.test_suffix += '.exe'
  18
  19     def getGTestTests(self, path, litConfig, localConfig):
  20         """getGTestTests(path) - [name]
  21
  22         Return the tests available in gtest executable.
  23
  24         Args:
  25           path: String path to a gtest executable
  26           litConfig: LitConfig instance
  27           localConfig: TestingConfig instance"""
  28
  29         try:
  30             lines = Util.capture([path, '--gtest_list_tests'],
  31                                  env=localConfig.environment)
  32             if kIsWindows:
  33               lines = lines.replace('\r', '')
  34             lines = lines.split('\n')
  35         except:
  36             litConfig.error("unable to discover google-tests in %r" % path)
  37             raise StopIteration
  38
  39         nested_tests = []
  40         for ln in lines:
  41             if not ln.strip():
  42                 continue
  43
  44             prefix = ''
  45             index = 0
  46             while ln[index*2:index*2+2] == '  ':
  47                 index += 1
  48             while len(nested_tests) > index:
  49                 nested_tests.pop()
  50
  51             ln = ln[index*2:]
  52             if ln.endswith('.'):
  53                 nested_tests.append(ln)
  54             else:
  55                 yield ''.join(nested_tests) + ln
  56
  57     def getTestsInDirectory(self, testSuite, path_in_suite,
  58                             litConfig, localConfig):
  59         source_path = testSuite.getSourcePath(path_in_suite)
  60         for filename in os.listdir(source_path):
  61             # Check for the one subdirectory (build directory) tests will be in.
  62             if not '.' in self.test_sub_dir:
  63                 if not os.path.normcase(filename) in self.test_sub_dir:
  64                     continue
  65
  66             filepath = os.path.join(source_path, filename)
  67             if not os.path.isdir(filepath):
  68                 continue
  69
  70             for subfilename in os.listdir(filepath):
  71                 if subfilename.endswith(self.test_suffix):
  72                     execpath = os.path.join(filepath, subfilename)
  73
  74                     # Discover the tests in this executable.
  75                     for name in self.getGTestTests(execpath, litConfig,
  76                                                    localConfig):
  77                         testPath = path_in_suite + (filename, subfilename, name)
  78                         yield Test.Test(testSuite, testPath, localConfig)
  79
  80     def execute(self, test, litConfig):
  81         testPath,testName = os.path.split(test.getSourcePath())
  82         while not os.path.exists(testPath):
  83             # Handle GTest parametrized and typed tests, whose name includes
  84             # some '/'s.
  85             testPath, namePrefix = os.path.split(testPath)
  86             testName = os.path.join(namePrefix, testName)
  87
  88         cmd = [testPath, '--gtest_filter=' + testName]
  89         if litConfig.useValgrind:
  90             cmd = litConfig.valgrindArgs + cmd
  91
  92         out, err, exitCode = TestRunner.executeCommand(
  93             cmd, env=test.config.environment)
  94
  95         if not exitCode:
  96             return Test.PASS,''
  97
  98         return Test.FAIL, out + err
  99
 100 ###
 101
 102 class FileBasedTest(object):
 103     def getTestsInDirectory(self, testSuite, path_in_suite,
 104                             litConfig, localConfig):
 105         source_path = testSuite.getSourcePath(path_in_suite)
 106         for filename in os.listdir(source_path):
 107             # Ignore dot files and excluded tests.
 108             if (filename.startswith('.') or
 109                 filename in localConfig.excludes):
 110                 continue
 111
 112             filepath = os.path.join(source_path, filename)
 113             if not os.path.isdir(filepath):
 114                 base,ext = os.path.splitext(filename)
 115                 if ext in localConfig.suffixes:
 116                     yield Test.Test(testSuite, path_in_suite + (filename,),
 117                                     localConfig)
 118
 119 class ShTest(FileBasedTest):
 120     def __init__(self, execute_external = False):
 121         self.execute_external = execute_external
 122
 123     def execute(self, test, litConfig):
 124         return TestRunner.executeShTest(test, litConfig,
 125                                         self.execute_external)
 126
 127 class TclTest(FileBasedTest):
 128     def execute(self, test, litConfig):
 129         return TestRunner.executeTclTest(test, litConfig)
 130
 131 ###
 132
 133 import re
 134 import tempfile
 135
 136 class OneCommandPerFileTest:
 137     # FIXME: Refactor into generic test for running some command on a directory
 138     # of inputs.
 139
 140     def __init__(self, command, dir, recursive=False,
 141                  pattern=".*", useTempInput=False):
 142         if isinstance(command, str):
 143             self.command = [command]
 144         else:
 145             self.command = list(command)
 146         if dir is not None:
 147             dir = str(dir)
 148         self.dir = dir
 149         self.recursive = bool(recursive)
 150         self.pattern = re.compile(pattern)
 151         self.useTempInput = useTempInput
 152
 153     def getTestsInDirectory(self, testSuite, path_in_suite,
 154                             litConfig, localConfig):
 155         dir = self.dir
 156         if dir is None:
 157             dir = testSuite.getSourcePath(path_in_suite)
 158
 159         for dirname,subdirs,filenames in os.walk(dir):
 160             if not self.recursive:
 161                 subdirs[:] = []
 162
 163             subdirs[:] = [d for d in subdirs
 164                           if (d != '.svn' and
 165                               d not in localConfig.excludes)]
 166
 167             for filename in filenames:
 168                 if (filename.startswith('.') or
 169                     not self.pattern.match(filename) or
 170                     filename in localConfig.excludes):
 171                     continue
 172
 173                 path = os.path.join(dirname,filename)
 174                 suffix = path[len(dir):]
 175                 if suffix.startswith(os.sep):
 176                     suffix = suffix[1:]
 177                 test = Test.Test(testSuite,
 178                                  path_in_suite + tuple(suffix.split(os.sep)),
 179                                  localConfig)
 180                 # FIXME: Hack?
 181                 test.source_path = path
 182                 yield test
 183
 184     def createTempInput(self, tmp, test):
 185         abstract
 186
 187     def execute(self, test, litConfig):
 188         if test.config.unsupported:
 189             return (Test.UNSUPPORTED, 'Test is unsupported')
 190
 191         cmd = list(self.command)
 192
 193         # If using temp input, create a temporary file and hand it to the
 194         # subclass.
 195         if self.useTempInput:
 196             tmp = tempfile.NamedTemporaryFile(suffix='.cpp')
 197             self.createTempInput(tmp, test)
 198             tmp.flush()
 199             cmd.append(tmp.name)
 200         elif hasattr(test, 'source_path'):
 201             cmd.append(test.source_path)
 202         else:
 203             cmd.append(test.getSourcePath())
 204
 205         out, err, exitCode = TestRunner.executeCommand(cmd)
 206
 207         diags = out + err
 208         if not exitCode and not diags.strip():
 209             return Test.PASS,''
 210
 211         # Try to include some useful information.
 212         report = """Command: %s\n""" % ' '.join(["'%s'" % a
 213                                                  for a in cmd])
 214         if self.useTempInput:
 215             report += """Temporary File: %s\n""" % tmp.name
 216             report += "--\n%s--\n""" % open(tmp.name).read()
 217         report += """Output:\n--\n%s--""" % diags
 218
 219         return Test.FAIL, report
 220
 221 class SyntaxCheckTest(OneCommandPerFileTest):
 222     def __init__(self, compiler, dir, extra_cxx_args=[], *args, **kwargs):
 223         cmd = [compiler, '-x', 'c++', '-fsyntax-only'] + extra_cxx_args
 224         OneCommandPerFileTest.__init__(self, cmd, dir,
 225                                        useTempInput=1, *args, **kwargs)
 226
 227     def createTempInput(self, tmp, test):
 228         print >>tmp, '#include "%s"' % test.source_path