utils/lit/lit/TestFormats.py

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