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""" nosetests setuptools command ---------------------------- The easiest way to run tests with nose is to use the `nosetests` setuptools command:: python setup.py nosetests This command has one *major* benefit over the standard `test` command: *all nose plugins are supported*. To configure the `nosetests` command, add a [nosetests] section to your setup.cfg. The [nosetests] section can contain any command line arguments that nosetests supports. The differences between issuing an option on the command line and adding it to setup.cfg are: * In setup.cfg, the -- prefix must be excluded * In setup.cfg, command line flags that take no arguments must be given an argument flag (1, T or TRUE for active, 0, F or FALSE for inactive) Here's an example [nosetests] setup.cfg section:: [nosetests] verbosity=1 detailed-errors=1 with-coverage=1 cover-package=nose debug=nose.loader pdb=1 pdb-failures=1 If you commonly run nosetests with a large number of options, using the nosetests setuptools command and configuring with setup.cfg can make running your tests much less tedious. (Note that the same options and format supported in setup.cfg are supported in all other config files, and the nosetests script will also load config files.) Another reason to run tests with the command is that the command will install packages listed in your `tests_require`, as well as doing a complete build of your package before running tests. For packages with dependencies or that build C extensions, using the setuptools command can be more convenient than building by hand and running the nosetests script. Bootstrapping ------------- If you are distributing your project and want users to be able to run tests without having to install nose themselves, add nose to the setup_requires section of your setup():: setup( # ... setup_requires=['nose>=1.0'] ) This will direct setuptools to download and activate nose during the setup process, making the ``nosetests`` command available. """ try: from setuptools import Command except ImportError: Command = nosetests = None else: from nose.config import Config, option_blacklist, user_config_files, \ flag, _bool from nose.core import TestProgram from nose.plugins import DefaultPluginManager def get_user_options(parser): """convert a optparse option list into a distutils option tuple list""" opt_list = [] for opt in parser.option_list: if opt._long_opts[0][2:] in option_blacklist: continue long_name = opt._long_opts[0][2:] if opt.action not in ('store_true', 'store_false'): long_name = long_name + "=" short_name = None if opt._short_opts: short_name = opt._short_opts[0][1:] opt_list.append((long_name, short_name, opt.help or "")) return opt_list class nosetests(Command): description = "Run unit tests using nosetests" __config = Config(files=user_config_files(), plugins=DefaultPluginManager()) __parser = __config.getParser() user_options = get_user_options(__parser) def initialize_options(self): """create the member variables, but change hyphens to underscores """ self.option_to_cmds = {} for opt in self.__parser.option_list: cmd_name = opt._long_opts[0][2:] option_name = cmd_name.replace('-', '_') self.option_to_cmds[option_name] = cmd_name setattr(self, option_name, None) self.attr = None def finalize_options(self): """nothing to do here""" pass def run(self): """ensure tests are capable of being run, then run nose.main with a reconstructed argument list""" if getattr(self.distribution, 'use_2to3', False): # If we run 2to3 we can not do this inplace: # Ensure metadata is up-to-date build_py = self.get_finalized_command('build_py') build_py.inplace = 0 build_py.run() bpy_cmd = self.get_finalized_command("build_py") build_path = bpy_cmd.build_lib # Build extensions egg_info = self.get_finalized_command('egg_info') egg_info.egg_base = build_path egg_info.run() build_ext = self.get_finalized_command('build_ext') build_ext.inplace = 0 build_ext.run() else: self.run_command('egg_info') # Build extensions in-place build_ext = self.get_finalized_command('build_ext') build_ext.inplace = 1 build_ext.run() if self.distribution.install_requires: self.distribution.fetch_build_eggs( self.distribution.install_requires) if self.distribution.tests_require: self.distribution.fetch_build_eggs( self.distribution.tests_require) ei_cmd = self.get_finalized_command("egg_info") argv = ['nosetests', '--where', ei_cmd.egg_base] for (option_name, cmd_name) in list(self.option_to_cmds.items()): if option_name in option_blacklist: continue value = getattr(self, option_name) if value is not None: argv.extend( self.cfgToArg(option_name.replace('_', '-'), value)) TestProgram(argv=argv, config=self.__config) def cfgToArg(self, optname, value): argv = [] long_optname = '--' + optname opt = self.__parser.get_option(long_optname) if opt.action in ('store_true', 'store_false'): if not flag(value): raise ValueError("Invalid value '%s' for '%s'" % ( value, optname)) if _bool(value): argv.append(long_optname) else: argv.extend([long_optname, value]) return argv
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