initial import of the packaging package in the standard library

Lib/packaging/tests/test_command_cmd.py

@@ -0,0 +1,101 @@
+"""Tests for distutils.cmd."""
+import os
+
+from packaging.command.cmd import Command
+from packaging.dist import Distribution
+from packaging.errors import PackagingOptionError
+from packaging.tests import support, unittest
+
+
+class MyCmd(Command):
+    def initialize_options(self):
+        pass
+
+
+class CommandTestCase(support.LoggingCatcher,
+                      unittest.TestCase):
+
+    def setUp(self):
+        super(CommandTestCase, self).setUp()
+        dist = Distribution()
+        self.cmd = MyCmd(dist)
+
+    def test_make_file(self):
+        cmd = self.cmd
+
+        # making sure it raises when infiles is not a string or a list/tuple
+        self.assertRaises(TypeError, cmd.make_file,
+                          infiles=1, outfile='', func='func', args=())
+
+        # making sure execute gets called properly
+        def _execute(func, args, exec_msg, level):
+            self.assertEqual(exec_msg, 'generating out from in')
+        cmd.force = True
+        cmd.execute = _execute
+        cmd.make_file(infiles='in', outfile='out', func='func', args=())
+
+    def test_dump_options(self):
+        cmd = self.cmd
+        cmd.option1 = 1
+        cmd.option2 = 1
+        cmd.user_options = [('option1', '', ''), ('option2', '', '')]
+        cmd.dump_options()
+
+        wanted = ["command options for 'MyCmd':", '  option1 = 1',
+                  '  option2 = 1']
+        msgs = self.get_logs()
+        self.assertEqual(msgs, wanted)
+
+    def test_ensure_string(self):
+        cmd = self.cmd
+        cmd.option1 = 'ok'
+        cmd.ensure_string('option1')
+
+        cmd.option2 = None
+        cmd.ensure_string('option2', 'xxx')
+        self.assertTrue(hasattr(cmd, 'option2'))
+
+        cmd.option3 = 1
+        self.assertRaises(PackagingOptionError, cmd.ensure_string, 'option3')
+
+    def test_ensure_string_list(self):
+        cmd = self.cmd
+        cmd.option1 = 'ok,dok'
+        cmd.ensure_string_list('option1')
+        self.assertEqual(cmd.option1, ['ok', 'dok'])
+
+        cmd.yes_string_list = ['one', 'two', 'three']
+        cmd.yes_string_list2 = 'ok'
+        cmd.ensure_string_list('yes_string_list')
+        cmd.ensure_string_list('yes_string_list2')
+        self.assertEqual(cmd.yes_string_list, ['one', 'two', 'three'])
+        self.assertEqual(cmd.yes_string_list2, ['ok'])
+
+        cmd.not_string_list = ['one', 2, 'three']
+        cmd.not_string_list2 = object()
+        self.assertRaises(PackagingOptionError,
+                          cmd.ensure_string_list, 'not_string_list')
+
+        self.assertRaises(PackagingOptionError,
+                          cmd.ensure_string_list, 'not_string_list2')
+
+    def test_ensure_filename(self):
+        cmd = self.cmd
+        cmd.option1 = __file__
+        cmd.ensure_filename('option1')
+        cmd.option2 = 'xxx'
+        self.assertRaises(PackagingOptionError, cmd.ensure_filename, 'option2')
+
+    def test_ensure_dirname(self):
+        cmd = self.cmd
+        cmd.option1 = os.path.dirname(__file__) or os.curdir
+        cmd.ensure_dirname('option1')
+        cmd.option2 = 'xxx'
+        self.assertRaises(PackagingOptionError, cmd.ensure_dirname, 'option2')
+
+
+def test_suite():
+    return unittest.makeSuite(CommandTestCase)
+
+if __name__ == '__main__':
+    unittest.main(defaultTest='test_suite')