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1import os
2import sys
3
4class 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                }
20
21            if sys.platform == 'win32':
22                environment.update({
23                        'LLVM_DISABLE_CRT_DEBUG' : '1',
24                        'PATHEXT' : os.environ.get('PATHEXT',''),
25                        'PYTHONUNBUFFERED' : '1',
26                        'TEMP' : os.environ.get('TEMP',''),
27                        'TMP' : os.environ.get('TMP',''),
28                        })
29
30            config = TestingConfig(parent,
31                                   name = '<unnamed>',
32                                   suffixes = set(),
33                                   test_format = None,
34                                   environment = environment,
35                                   substitutions = [],
36                                   unsupported = False,
37                                   on_clone = None,
38                                   test_exec_root = None,
39                                   test_source_root = None,
40                                   excludes = [],
41                                   available_features = [])
42
43        if os.path.exists(path):
44            # FIXME: Improve detection and error reporting of errors in the
45            # config file.
46            f = open(path)
47            cfg_globals = dict(globals())
48            cfg_globals['config'] = config
49            cfg_globals['lit'] = litConfig
50            cfg_globals['__file__'] = path
51            try:
52                exec f in cfg_globals
53            except SystemExit,status:
54                # We allow normal system exit inside a config file to just
55                # return control without error.
56                if status.args:
57                    raise
58            f.close()
59        elif mustExist:
60            litConfig.fatal('unable to load config from %r ' % path)
61
62        config.finish(litConfig)
63        return config
64
65    def __init__(self, parent, name, suffixes, test_format,
66                 environment, substitutions, unsupported, on_clone,
67                 test_exec_root, test_source_root, excludes,
68                 available_features):
69        self.parent = parent
70        self.name = str(name)
71        self.suffixes = set(suffixes)
72        self.test_format = test_format
73        self.environment = dict(environment)
74        self.substitutions = list(substitutions)
75        self.unsupported = unsupported
76        self.on_clone = on_clone
77        self.test_exec_root = test_exec_root
78        self.test_source_root = test_source_root
79        self.excludes = set(excludes)
80        self.available_features = set(available_features)
81
82    def clone(self, path):
83        # FIXME: Chain implementations?
84        #
85        # FIXME: Allow extra parameters?
86        cfg = TestingConfig(self, self.name, self.suffixes, self.test_format,
87                            self.environment, self.substitutions,
88                            self.unsupported, self.on_clone,
89                            self.test_exec_root, self.test_source_root,
90                            self.excludes, self.available_features)
91        if cfg.on_clone:
92            cfg.on_clone(self, cfg, path)
93        return cfg
94
95    def finish(self, litConfig):
96        """finish() - Finish this config object, after loading is complete."""
97
98        self.name = str(self.name)
99        self.suffixes = set(self.suffixes)
100        self.environment = dict(self.environment)
101        self.substitutions = list(self.substitutions)
102        if self.test_exec_root is not None:
103            # FIXME: This should really only be suite in test suite config
104            # files. Should we distinguish them?
105            self.test_exec_root = str(self.test_exec_root)
106        if self.test_source_root is not None:
107            # FIXME: This should really only be suite in test suite config
108            # files. Should we distinguish them?
109            self.test_source_root = str(self.test_source_root)
110        self.excludes = set(self.excludes)
111