utils/lit/lit/TestingConfig.py

   1 import os
   2 import sys
   3
   4 class TestingConfig:
   5     """"
   6     TestingConfig - Information on the tests inside a suite.
   7     """
   8
   9     @staticmethod
  10     def frompath(path, parent, litConfig, mustExist, config = None):
  11         if config is None:
  12             # Set the environment based on the command line arguments.
  13             environment = {
  14                 'LIBRARY_PATH' : os.environ.get('LIBRARY_PATH',''),
  15                 'LD_LIBRARY_PATH' : os.environ.get('LD_LIBRARY_PATH',''),
  16                 'PATH' : os.pathsep.join(litConfig.path +
  17                                          [os.environ.get('PATH','')]),
  18                 'SYSTEMROOT' : os.environ.get('SYSTEMROOT',''),
  19                 'LLVM_DISABLE_CRASH_REPORT' : '1',
  20                 }
  21
  22             if sys.platform == 'win32':
  23                 environment.update({
  24                         'INCLUDE' : os.environ.get('INCLUDE',''),
  25                         'PATHEXT' : os.environ.get('PATHEXT',''),
  26                         'PYTHONUNBUFFERED' : '1',
  27                         'TEMP' : os.environ.get('TEMP',''),
  28                         'TMP' : os.environ.get('TMP',''),
  29                         })
  30
  31             config = TestingConfig(parent,
  32                                    name = '<unnamed>',
  33                                    suffixes = set(),
  34                                    test_format = None,
  35                                    environment = environment,
  36                                    substitutions = [],
  37                                    unsupported = False,
  38                                    on_clone = None,
  39                                    test_exec_root = None,
  40                                    test_source_root = None,
  41                                    excludes = [],
  42                                    available_features = [])
  43
  44         if os.path.exists(path):
  45             # FIXME: Improve detection and error reporting of errors in the
  46             # config file.
  47             f = open(path)
  48             cfg_globals = dict(globals())
  49             cfg_globals['config'] = config
  50             cfg_globals['lit'] = litConfig
  51             cfg_globals['__file__'] = path
  52             try:
  53                 exec f in cfg_globals
  54                 if litConfig.debug:
  55                     litConfig.note('... loaded config %r' % path)
  56             except SystemExit,status:
  57                 # We allow normal system exit inside a config file to just
  58                 # return control without error.
  59                 if status.args:
  60                     raise
  61             f.close()
  62         else:
  63             if mustExist:
  64                 litConfig.fatal('unable to load config from %r ' % path)
  65             elif litConfig.debug:
  66                 litConfig.note('... config not found  - %r' %path)
  67
  68         config.finish(litConfig)
  69         return config
  70
  71     def __init__(self, parent, name, suffixes, test_format,
  72                  environment, substitutions, unsupported, on_clone,
  73                  test_exec_root, test_source_root, excludes,
  74                  available_features):
  75         self.parent = parent
  76         self.name = str(name)
  77         self.suffixes = set(suffixes)
  78         self.test_format = test_format
  79         self.environment = dict(environment)
  80         self.substitutions = list(substitutions)
  81         self.unsupported = unsupported
  82         self.on_clone = on_clone
  83         self.test_exec_root = test_exec_root
  84         self.test_source_root = test_source_root
  85         self.excludes = set(excludes)
  86         self.available_features = set(available_features)
  87
  88     def clone(self, path):
  89         # FIXME: Chain implementations?
  90         #
  91         # FIXME: Allow extra parameters?
  92         cfg = TestingConfig(self, self.name, self.suffixes, self.test_format,
  93                             self.environment, self.substitutions,
  94                             self.unsupported, self.on_clone,
  95                             self.test_exec_root, self.test_source_root,
  96                             self.excludes, self.available_features)
  97         if cfg.on_clone:
  98             cfg.on_clone(self, cfg, path)
  99         return cfg
 100
 101     def finish(self, litConfig):
 102         """finish() - Finish this config object, after loading is complete."""
 103
 104         self.name = str(self.name)
 105         self.suffixes = set(self.suffixes)
 106         self.environment = dict(self.environment)
 107         self.substitutions = list(self.substitutions)
 108         if self.test_exec_root is not None:
 109             # FIXME: This should really only be suite in test suite config
 110             # files. Should we distinguish them?
 111             self.test_exec_root = str(self.test_exec_root)
 112         if self.test_source_root is not None:
 113             # FIXME: This should really only be suite in test suite config
 114             # files. Should we distinguish them?
 115             self.test_source_root = str(self.test_source_root)
 116         self.excludes = set(self.excludes)
 117
 118     @property
 119     def root(self):
 120         """root attribute - The root configuration for the test suite."""
 121         if self.parent is None:
 122             return self
 123         else:
 124             return self.parent.root
 125