utils/lit/TestingConfig.py

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