root/galaxy-central/eggs/nose-0.11.1-py2.6.egg/nose/commands.py

リビジョン 3, 5.0 KB (コミッタ: kohda, 14 年 前)

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1"""
2nosetests setuptools command
3----------------------------
4
5The easiest way to run tests with nose is to use the `nosetests` setuptools
6command::
7
8  python setup.py nosetests
9
10This command has one *major* benefit over the standard `test` command: *all
11nose plugins are supported*.
12
13To configure the `nosetests` command, add a [nosetests] section to your
14setup.cfg. The [nosetests] section can contain any command line arguments that
15nosetests supports. The differences between issuing an option on the command
16line and adding it to setup.cfg are:
17
18* In setup.cfg, the -- prefix must be excluded
19* In setup.cfg, command line flags that take no arguments must be given an
20  argument flag (1, T or TRUE for active, 0, F or FALSE for inactive)
21
22Here's an example [nosetests] setup.cfg section::
23
24  [nosetests]
25  verbosity=1
26  detailed-errors=1
27  with-coverage=1
28  cover-package=nose
29  debug=nose.loader
30  pdb=1
31  pdb-failures=1
32
33If you commonly run nosetests with a large number of options, using
34the nosetests setuptools command and configuring with setup.cfg can
35make running your tests much less tedious. (Note that the same options
36and format supported in setup.cfg are supported in all other config
37files, and the nosetests script will also load config files.)
38
39Another reason to run tests with the command is that the command will
40install packages listed in your `tests_require`, as well as doing a
41complete build of your package before running tests. For packages with
42dependencies or that build C extensions, using the setuptools command
43can be more convenient than building by hand and running the nosetests
44script.
45
46Bootstrapping
47-------------
48
49If you are distributing your project and want users to be able to run tests
50without having to install nose themselves, add nose to the setup_requires
51section of your setup()::
52
53  setup(
54      # ...
55      setup_requires=['nose>=0.11']
56      )
57
58This will direct setuptools to download and activate nose during the setup
59process, making the ``nosetests`` command available.
60
61"""
62try:
63    from setuptools import Command
64except ImportError:
65    Command = nosetests = None
66else:
67    from nose.config import Config, option_blacklist, user_config_files, \
68        flag, _bool
69    from nose.core import TestProgram
70    from nose.plugins import DefaultPluginManager
71
72
73    def get_user_options(parser):
74        """convert a optparse option list into a distutils option tuple list"""
75        opt_list = []
76        for opt in parser.option_list:
77            if opt._long_opts[0][2:] in option_blacklist:
78                continue
79            long_name = opt._long_opts[0][2:]
80            if opt.action not in ('store_true', 'store_false'):
81                long_name = long_name + "="
82            short_name = None
83            if opt._short_opts:
84                short_name =  opt._short_opts[0][1:]
85            opt_list.append((long_name, short_name, opt.help or ""))
86        return opt_list
87
88
89    class nosetests(Command):
90        description = "Run unit tests using nosetests"
91        __config = Config(files=user_config_files(),
92                          plugins=DefaultPluginManager())
93        __parser = __config.getParser()
94        user_options = get_user_options(__parser)
95
96        def initialize_options(self):
97            """create the member variables, but change hyphens to
98            underscores
99            """
100           
101            self.option_to_cmds = {}
102            for opt in self.__parser.option_list:
103                cmd_name = opt._long_opts[0][2:]
104                option_name = cmd_name.replace('-', '_')
105                self.option_to_cmds[option_name] = cmd_name
106                setattr(self, option_name, None)
107            self.attr  = None
108
109        def finalize_options(self):
110            """nothing to do here"""
111            pass
112
113        def run(self):
114            """ensure tests are capable of being run, then
115            run nose.main with a reconstructed argument list"""
116            self.run_command('egg_info')
117
118            # Build extensions in-place
119            self.reinitialize_command('build_ext', inplace=1)
120            self.run_command('build_ext')
121
122            if self.distribution.install_requires:
123                self.distribution.fetch_build_eggs(
124                    self.distribution.install_requires)
125            if self.distribution.tests_require:
126                self.distribution.fetch_build_eggs(
127                    self.distribution.tests_require)
128
129            argv = ['nosetests']
130            for (option_name, cmd_name) in self.option_to_cmds.items():
131                if option_name in option_blacklist:
132                    continue
133                value = getattr(self, option_name)
134                if value is not None:
135                    argv.extend(
136                        self.cfgToArg(option_name.replace('_', '-'), value))
137            TestProgram(argv=argv, config=self.__config)
138
139        def cfgToArg(self, optname, value):
140            argv = []
141            if flag(value):
142                if _bool(value):
143                    argv.append('--' + optname)
144            else:
145                argv.extend(['--' + optname, value])
146            return argv
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