feat: add parse_bool() and parse_list() methods for config object

tests/test_conf.py

@@ -17,6 +17,9 @@ from wuttjamaican.testing import FileTestCase
 
 class TestWuttaConfig(FileTestCase):
 
+    def make_config(self, **kwargs):
+        return mod.WuttaConfig(**kwargs)
+
     def test_contstructor_basic(self):
         config = conf.WuttaConfig()
         self.assertEqual(config.appname, 'wutta')
@@ -410,6 +413,111 @@ configure_logging = true
         config.setdefault('foo.bar', 'hello world')
         self.assertEqual(config.get_list('foo.bar'), ['hello', 'world'])
 
+    def test_parse_bool_null(self):
+        config = self.make_config()
+        self.assertIsNone(config.parse_bool(None))
+
+    def test_parse_bool_bool(self):
+        config = self.make_config()
+        self.assertTrue(config.parse_bool(True))
+        self.assertFalse(config.parse_bool(False))
+
+    def test_parse_bool_string_true(self):
+        config = self.make_config()
+        self.assertTrue(config.parse_bool('true'))
+        self.assertTrue(config.parse_bool('yes'))
+        self.assertTrue(config.parse_bool('y'))
+        self.assertTrue(config.parse_bool('on'))
+        self.assertTrue(config.parse_bool('1'))
+
+    def test_parse_bool_string_false(self):
+        config = self.make_config()
+        self.assertFalse(config.parse_bool('false'))
+        self.assertFalse(config.parse_bool('no'))
+        self.assertFalse(config.parse_bool('n'))
+        self.assertFalse(config.parse_bool('off'))
+        self.assertFalse(config.parse_bool('0'))
+        # nb. assume false for unrecognized input
+        self.assertFalse(config.parse_bool('whatever-else'))
+
+    def test_parse_list_null(self):
+        config = self.make_config()
+        value = config.parse_list(None)
+        self.assertIsInstance(value, list)
+        self.assertEqual(len(value), 0)
+
+    def test_parse_list_list_instance(self):
+        config = self.make_config()
+        mylist = []
+        value = config.parse_list(mylist)
+        self.assertIs(value, mylist)
+
+    def test_parse_list_single_value(self):
+        config = self.make_config()
+        value = config.parse_list('foo')
+        self.assertEqual(len(value), 1)
+        self.assertEqual(value[0], 'foo')
+
+    def test_parse_list_single_value_padded_by_spaces(self):
+        config = self.make_config()
+        value = config.parse_list('   foo   ')
+        self.assertEqual(len(value), 1)
+        self.assertEqual(value[0], 'foo')
+
+    def test_parse_list_slash_is_not_a_separator(self):
+        config = self.make_config()
+        value = config.parse_list('/dev/null')
+        self.assertEqual(len(value), 1)
+        self.assertEqual(value[0], '/dev/null')
+
+    def test_parse_list_multiple_values_separated_by_whitespace(self):
+        config = self.make_config()
+        value = config.parse_list('foo bar baz')
+        self.assertEqual(len(value), 3)
+        self.assertEqual(value[0], 'foo')
+        self.assertEqual(value[1], 'bar')
+        self.assertEqual(value[2], 'baz')
+
+    def test_parse_list_multiple_values_separated_by_commas(self):
+        config = self.make_config()
+        value = config.parse_list('foo,bar,baz')
+        self.assertEqual(len(value), 3)
+        self.assertEqual(value[0], 'foo')
+        self.assertEqual(value[1], 'bar')
+        self.assertEqual(value[2], 'baz')
+
+    def test_parse_list_multiple_values_separated_by_whitespace_and_commas(self):
+        config = self.make_config()
+        value = config.parse_list('  foo,   bar   baz')
+        self.assertEqual(len(value), 3)
+        self.assertEqual(value[0], 'foo')
+        self.assertEqual(value[1], 'bar')
+        self.assertEqual(value[2], 'baz')
+
+    def test_parse_list_multiple_values_separated_by_whitespace_and_commas_with_some_quoting(self):
+        config = self.make_config()
+        value = config.parse_list("""
+        foo
+        "C:\\some path\\with spaces\\and, a comma",
+        baz
+        """)
+        self.assertEqual(len(value), 3)
+        self.assertEqual(value[0], 'foo')
+        self.assertEqual(value[1], 'C:\\some path\\with spaces\\and, a comma')
+        self.assertEqual(value[2], 'baz')
+
+    def test_parse_list_multiple_values_separated_by_whitespace_and_commas_with_single_quotes(self):
+        config = self.make_config()
+        value = config.parse_list("""
+        foo
+        'C:\\some path\\with spaces\\and, a comma',
+        baz
+        """)
+        self.assertEqual(len(value), 3)
+        self.assertEqual(value[0], 'foo')
+        self.assertEqual(value[1], 'C:\\some path\\with spaces\\and, a comma')
+        self.assertEqual(value[2], 'baz')
+
     def test_get_app(self):
 
         # default handler