utils/lit/lit/TestFormats.py

   1 import os
   2
   3 import Test
   4 import TestRunner
   5 import Util
   6
   7 class GoogleTest(object):
   8     def __init__(self, test_sub_dir, test_suffix):
   9         self.test_sub_dir = str(test_sub_dir)
  10         self.test_suffix = str(test_suffix)
  11
  12     def getGTestTests(self, path, litConfig, localConfig):
  13         """getGTestTests(path) - [name]
  14
  15         Return the tests available in gtest executable.
  16
  17         Args:
  18           path: String path to a gtest executable
  19           litConfig: LitConfig instance
  20           localConfig: TestingConfig instance"""
  21
  22         try:
  23             lines = Util.capture([path, '--gtest_list_tests'],
  24                                  env=localConfig.environment).split('\n')
  25         except:
  26             litConfig.error("unable to discover google-tests in %r" % path)
  27             raise StopIteration
  28
  29         nested_tests = []
  30         for ln in lines:
  31             if not ln.strip():
  32                 continue
  33
  34             prefix = ''
  35             index = 0
  36             while ln[index*2:index*2+2] == '  ':
  37                 index += 1
  38             while len(nested_tests) > index:
  39                 nested_tests.pop()
  40
  41             ln = ln[index*2:]
  42             if ln.endswith('.'):
  43                 nested_tests.append(ln)
  44             else:
  45                 yield ''.join(nested_tests) + ln
  46
  47     def getTestsInDirectory(self, testSuite, path_in_suite,
  48                             litConfig, localConfig):
  49         source_path = testSuite.getSourcePath(path_in_suite)
  50         for filename in os.listdir(source_path):
  51             # Check for the one subdirectory (build directory) tests will be in.
  52             if filename != self.test_sub_dir:
  53                 continue
  54
  55             filepath = os.path.join(source_path, filename)
  56             for subfilename in os.listdir(filepath):
  57                 if subfilename.endswith(self.test_suffix):
  58                     execpath = os.path.join(filepath, subfilename)
  59
  60                     # Discover the tests in this executable.
  61                     for name in self.getGTestTests(execpath, litConfig,
  62                                                    localConfig):
  63                         testPath = path_in_suite + (filename, subfilename, name)
  64                         yield Test.Test(testSuite, testPath, localConfig)
  65
  66     def execute(self, test, litConfig):
  67         testPath,testName = os.path.split(test.getSourcePath())
  68         while not os.path.exists(testPath):
  69             # Handle GTest parametrized and typed tests, whose name includes
  70             # some '/'s.
  71             testPath, namePrefix = os.path.split(testPath)
  72             testName = os.path.join(namePrefix, testName)
  73
  74         cmd = [testPath, '--gtest_filter=' + testName]
  75         if litConfig.useValgrind:
  76             cmd = litConfig.valgrindArgs + cmd
  77
  78         out, err, exitCode = TestRunner.executeCommand(
  79             cmd, env=test.config.environment)
  80
  81         if not exitCode:
  82             return Test.PASS,''
  83
  84         return Test.FAIL, out + err
  85
  86 ###
  87
  88 class FileBasedTest(object):
  89     def getTestsInDirectory(self, testSuite, path_in_suite,
  90                             litConfig, localConfig):
  91         source_path = testSuite.getSourcePath(path_in_suite)
  92         for filename in os.listdir(source_path):
  93             # Ignore dot files.
  94             if filename.startswith('.'):
  95                 continue
  96
  97             filepath = os.path.join(source_path, filename)
  98             if not os.path.isdir(filepath):
  99                 base,ext = os.path.splitext(filename)
 100                 if ext in localConfig.suffixes:
 101                     yield Test.Test(testSuite, path_in_suite + (filename,),
 102                                     localConfig)
 103
 104 class ShTest(FileBasedTest):
 105     def __init__(self, execute_external = False):
 106         self.execute_external = execute_external
 107
 108     def execute(self, test, litConfig):
 109         return TestRunner.executeShTest(test, litConfig,
 110                                         self.execute_external)
 111
 112 class TclTest(FileBasedTest):
 113     def execute(self, test, litConfig):
 114         return TestRunner.executeTclTest(test, litConfig)
 115
 116 ###
 117
 118 import re
 119 import tempfile
 120
 121 class OneCommandPerFileTest:
 122     # FIXME: Refactor into generic test for running some command on a directory
 123     # of inputs.
 124
 125     def __init__(self, command, dir, recursive=False,
 126                  pattern=".*", useTempInput=False):
 127         if isinstance(command, str):
 128             self.command = [command]
 129         else:
 130             self.command = list(command)
 131         self.dir = str(dir)
 132         self.recursive = bool(recursive)
 133         self.pattern = re.compile(pattern)
 134         self.useTempInput = useTempInput
 135
 136     def getTestsInDirectory(self, testSuite, path_in_suite,
 137                             litConfig, localConfig):
 138         for dirname,subdirs,filenames in os.walk(self.dir):
 139             if not self.recursive:
 140                 subdirs[:] = []
 141
 142             subdirs[:] = [d for d in subdirs
 143                           if (d != '.svn' and
 144                               d not in localConfig.excludes)]
 145
 146             for filename in filenames:
 147                 if (filename.startswith('.') or
 148                     not self.pattern.match(filename) or
 149                     filename in localConfig.excludes):
 150                     continue
 151
 152                 path = os.path.join(dirname,filename)
 153                 suffix = path[len(self.dir):]
 154                 if suffix.startswith(os.sep):
 155                     suffix = suffix[1:]
 156                 test = Test.Test(testSuite,
 157                                  path_in_suite + tuple(suffix.split(os.sep)),
 158                                  localConfig)
 159                 # FIXME: Hack?
 160                 test.source_path = path
 161                 yield test
 162
 163     def createTempInput(self, tmp, test):
 164         abstract
 165
 166     def execute(self, test, litConfig):
 167         if test.config.unsupported:
 168             return (Test.UNSUPPORTED, 'Test is unsupported')
 169
 170         cmd = list(self.command)
 171
 172         # If using temp input, create a temporary file and hand it to the
 173         # subclass.
 174         if self.useTempInput:
 175             tmp = tempfile.NamedTemporaryFile(suffix='.cpp')
 176             self.createTempInput(tmp, test)
 177             tmp.flush()
 178             cmd.append(tmp.name)
 179         else:
 180             cmd.append(test.source_path)
 181
 182         out, err, exitCode = TestRunner.executeCommand(cmd)
 183
 184         diags = out + err
 185         if not exitCode and not diags.strip():
 186             return Test.PASS,''
 187
 188         # Try to include some useful information.
 189         report = """Command: %s\n""" % ' '.join(["'%s'" % a
 190                                                  for a in cmd])
 191         if self.useTempInput:
 192             report += """Temporary File: %s\n""" % tmp.name
 193             report += "--\n%s--\n""" % open(tmp.name).read()
 194         report += """Output:\n--\n%s--""" % diags
 195
 196         return Test.FAIL, report
 197
 198 class SyntaxCheckTest(OneCommandPerFileTest):
 199     def __init__(self, compiler, dir, extra_cxx_args=[], *args, **kwargs):
 200         cmd = [compiler, '-x', 'c++', '-fsyntax-only'] + extra_cxx_args
 201         OneCommandPerFileTest.__init__(self, cmd, dir,
 202                                        useTempInput=1, *args, **kwargs)
 203
 204     def createTempInput(self, tmp, test):
 205         print >>tmp, '#include "%s"' % test.source_path