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      1 """Tests for distutils.cmd."""
      2 import unittest
      3 import os
      4 from test.support import captured_stdout, run_unittest
      5 
      6 from distutils.cmd import Command
      7 from distutils.dist import Distribution
      8 from distutils.errors import DistutilsOptionError
      9 from distutils import debug
     10 
     11 class MyCmd(Command):
     12     def initialize_options(self):
     13         pass
     14 
     15 class CommandTestCase(unittest.TestCase):
     16 
     17     def setUp(self):
     18         dist = Distribution()
     19         self.cmd = MyCmd(dist)
     20 
     21     def test_ensure_string_list(self):
     22 
     23         cmd = self.cmd
     24         cmd.not_string_list = ['one', 2, 'three']
     25         cmd.yes_string_list = ['one', 'two', 'three']
     26         cmd.not_string_list2 = object()
     27         cmd.yes_string_list2 = 'ok'
     28         cmd.ensure_string_list('yes_string_list')
     29         cmd.ensure_string_list('yes_string_list2')
     30 
     31         self.assertRaises(DistutilsOptionError,
     32                           cmd.ensure_string_list, 'not_string_list')
     33 
     34         self.assertRaises(DistutilsOptionError,
     35                           cmd.ensure_string_list, 'not_string_list2')
     36 
     37         cmd.option1 = 'ok,dok'
     38         cmd.ensure_string_list('option1')
     39         self.assertEqual(cmd.option1, ['ok', 'dok'])
     40 
     41         cmd.option2 = ['xxx', 'www']
     42         cmd.ensure_string_list('option2')
     43 
     44         cmd.option3 = ['ok', 2]
     45         self.assertRaises(DistutilsOptionError, cmd.ensure_string_list,
     46                           'option3')
     47 
     48 
     49     def test_make_file(self):
     50 
     51         cmd = self.cmd
     52 
     53         # making sure it raises when infiles is not a string or a list/tuple
     54         self.assertRaises(TypeError, cmd.make_file,
     55                           infiles=1, outfile='', func='func', args=())
     56 
     57         # making sure execute gets called properly
     58         def _execute(func, args, exec_msg, level):
     59             self.assertEqual(exec_msg, 'generating out from in')
     60         cmd.force = True
     61         cmd.execute = _execute
     62         cmd.make_file(infiles='in', outfile='out', func='func', args=())
     63 
     64     def test_dump_options(self):
     65 
     66         msgs = []
     67         def _announce(msg, level):
     68             msgs.append(msg)
     69         cmd = self.cmd
     70         cmd.announce = _announce
     71         cmd.option1 = 1
     72         cmd.option2 = 1
     73         cmd.user_options = [('option1', '', ''), ('option2', '', '')]
     74         cmd.dump_options()
     75 
     76         wanted = ["command options for 'MyCmd':", '  option1 = 1',
     77                   '  option2 = 1']
     78         self.assertEqual(msgs, wanted)
     79 
     80     def test_ensure_string(self):
     81         cmd = self.cmd
     82         cmd.option1 = 'ok'
     83         cmd.ensure_string('option1')
     84 
     85         cmd.option2 = None
     86         cmd.ensure_string('option2', 'xxx')
     87         self.assertTrue(hasattr(cmd, 'option2'))
     88 
     89         cmd.option3 = 1
     90         self.assertRaises(DistutilsOptionError, cmd.ensure_string, 'option3')
     91 
     92     def test_ensure_filename(self):
     93         cmd = self.cmd
     94         cmd.option1 = __file__
     95         cmd.ensure_filename('option1')
     96         cmd.option2 = 'xxx'
     97         self.assertRaises(DistutilsOptionError, cmd.ensure_filename, 'option2')
     98 
     99     def test_ensure_dirname(self):
    100         cmd = self.cmd
    101         cmd.option1 = os.path.dirname(__file__) or os.curdir
    102         cmd.ensure_dirname('option1')
    103         cmd.option2 = 'xxx'
    104         self.assertRaises(DistutilsOptionError, cmd.ensure_dirname, 'option2')
    105 
    106     def test_debug_print(self):
    107         cmd = self.cmd
    108         with captured_stdout() as stdout:
    109             cmd.debug_print('xxx')
    110         stdout.seek(0)
    111         self.assertEqual(stdout.read(), '')
    112 
    113         debug.DEBUG = True
    114         try:
    115             with captured_stdout() as stdout:
    116                 cmd.debug_print('xxx')
    117             stdout.seek(0)
    118             self.assertEqual(stdout.read(), 'xxx\n')
    119         finally:
    120             debug.DEBUG = False
    121 
    122 def test_suite():
    123     return unittest.makeSuite(CommandTestCase)
    124 
    125 if __name__ == '__main__':
    126     run_unittest(test_suite())
    127