diff options
Diffstat (limited to 'Lib/test/test_configparser.py')
| -rw-r--r-- | Lib/test/test_configparser.py | 277 |
1 files changed, 276 insertions, 1 deletions
diff --git a/Lib/test/test_configparser.py b/Lib/test/test_configparser.py index 78bd315..a7c6127 100644 --- a/Lib/test/test_configparser.py +++ b/Lib/test/test_configparser.py @@ -579,7 +579,7 @@ boolean {0[0]} NO return e else: self.fail("expected exception type %s.%s" - % (exc.__module__, exc.__name__)) + % (exc.__module__, exc.__qualname__)) def test_boolean(self): cf = self.fromstring( @@ -1584,6 +1584,34 @@ class CoverageOneHundredTestCase(unittest.TestCase): """) self.assertEqual(repr(parser['section']), '<Section: section>') + def test_inconsistent_converters_state(self): + parser = configparser.ConfigParser() + import decimal + parser.converters['decimal'] = decimal.Decimal + parser.read_string(""" + [s1] + one = 1 + [s2] + two = 2 + """) + self.assertIn('decimal', parser.converters) + self.assertEqual(parser.getdecimal('s1', 'one'), 1) + self.assertEqual(parser.getdecimal('s2', 'two'), 2) + self.assertEqual(parser['s1'].getdecimal('one'), 1) + self.assertEqual(parser['s2'].getdecimal('two'), 2) + del parser.getdecimal + with self.assertRaises(AttributeError): + parser.getdecimal('s1', 'one') + self.assertIn('decimal', parser.converters) + del parser.converters['decimal'] + self.assertNotIn('decimal', parser.converters) + with self.assertRaises(AttributeError): + parser.getdecimal('s1', 'one') + with self.assertRaises(AttributeError): + parser['s1'].getdecimal('one') + with self.assertRaises(AttributeError): + parser['s2'].getdecimal('two') + class ExceptionPicklingTestCase(unittest.TestCase): """Tests for issue #13760: ConfigParser exceptions are not picklable.""" @@ -1764,5 +1792,252 @@ class InlineCommentStrippingTestCase(unittest.TestCase): self.assertEqual(s['k3'], 'v3;#//still v3# and still v3') +class ExceptionContextTestCase(unittest.TestCase): + """ Test that implementation details doesn't leak + through raising exceptions. """ + + def test_get_basic_interpolation(self): + parser = configparser.ConfigParser() + parser.read_string(""" + [Paths] + home_dir: /Users + my_dir: %(home_dir1)s/lumberjack + my_pictures: %(my_dir)s/Pictures + """) + cm = self.assertRaises(configparser.InterpolationMissingOptionError) + with cm: + parser.get('Paths', 'my_dir') + self.assertIs(cm.exception.__suppress_context__, True) + + def test_get_extended_interpolation(self): + parser = configparser.ConfigParser( + interpolation=configparser.ExtendedInterpolation()) + parser.read_string(""" + [Paths] + home_dir: /Users + my_dir: ${home_dir1}/lumberjack + my_pictures: ${my_dir}/Pictures + """) + cm = self.assertRaises(configparser.InterpolationMissingOptionError) + with cm: + parser.get('Paths', 'my_dir') + self.assertIs(cm.exception.__suppress_context__, True) + + def test_missing_options(self): + parser = configparser.ConfigParser() + parser.read_string(""" + [Paths] + home_dir: /Users + """) + with self.assertRaises(configparser.NoSectionError) as cm: + parser.options('test') + self.assertIs(cm.exception.__suppress_context__, True) + + def test_missing_section(self): + config = configparser.ConfigParser() + with self.assertRaises(configparser.NoSectionError) as cm: + config.set('Section1', 'an_int', '15') + self.assertIs(cm.exception.__suppress_context__, True) + + def test_remove_option(self): + config = configparser.ConfigParser() + with self.assertRaises(configparser.NoSectionError) as cm: + config.remove_option('Section1', 'an_int') + self.assertIs(cm.exception.__suppress_context__, True) + + +class ConvertersTestCase(BasicTestCase, unittest.TestCase): + """Introduced in 3.5, issue #18159.""" + + config_class = configparser.ConfigParser + + def newconfig(self, defaults=None): + instance = super().newconfig(defaults=defaults) + instance.converters['list'] = lambda v: [e.strip() for e in v.split() + if e.strip()] + return instance + + def test_converters(self): + cfg = self.newconfig() + self.assertIn('boolean', cfg.converters) + self.assertIn('list', cfg.converters) + self.assertIsNone(cfg.converters['int']) + self.assertIsNone(cfg.converters['float']) + self.assertIsNone(cfg.converters['boolean']) + self.assertIsNotNone(cfg.converters['list']) + self.assertEqual(len(cfg.converters), 4) + with self.assertRaises(ValueError): + cfg.converters[''] = lambda v: v + with self.assertRaises(ValueError): + cfg.converters[None] = lambda v: v + cfg.read_string(""" + [s] + str = string + int = 1 + float = 0.5 + list = a b c d e f g + bool = yes + """) + s = cfg['s'] + self.assertEqual(s['str'], 'string') + self.assertEqual(s['int'], '1') + self.assertEqual(s['float'], '0.5') + self.assertEqual(s['list'], 'a b c d e f g') + self.assertEqual(s['bool'], 'yes') + self.assertEqual(cfg.get('s', 'str'), 'string') + self.assertEqual(cfg.get('s', 'int'), '1') + self.assertEqual(cfg.get('s', 'float'), '0.5') + self.assertEqual(cfg.get('s', 'list'), 'a b c d e f g') + self.assertEqual(cfg.get('s', 'bool'), 'yes') + self.assertEqual(cfg.get('s', 'str'), 'string') + self.assertEqual(cfg.getint('s', 'int'), 1) + self.assertEqual(cfg.getfloat('s', 'float'), 0.5) + self.assertEqual(cfg.getlist('s', 'list'), ['a', 'b', 'c', 'd', + 'e', 'f', 'g']) + self.assertEqual(cfg.getboolean('s', 'bool'), True) + self.assertEqual(s.get('str'), 'string') + self.assertEqual(s.getint('int'), 1) + self.assertEqual(s.getfloat('float'), 0.5) + self.assertEqual(s.getlist('list'), ['a', 'b', 'c', 'd', + 'e', 'f', 'g']) + self.assertEqual(s.getboolean('bool'), True) + with self.assertRaises(AttributeError): + cfg.getdecimal('s', 'float') + with self.assertRaises(AttributeError): + s.getdecimal('float') + import decimal + cfg.converters['decimal'] = decimal.Decimal + self.assertIn('decimal', cfg.converters) + self.assertIsNotNone(cfg.converters['decimal']) + self.assertEqual(len(cfg.converters), 5) + dec0_5 = decimal.Decimal('0.5') + self.assertEqual(cfg.getdecimal('s', 'float'), dec0_5) + self.assertEqual(s.getdecimal('float'), dec0_5) + del cfg.converters['decimal'] + self.assertNotIn('decimal', cfg.converters) + self.assertEqual(len(cfg.converters), 4) + with self.assertRaises(AttributeError): + cfg.getdecimal('s', 'float') + with self.assertRaises(AttributeError): + s.getdecimal('float') + with self.assertRaises(KeyError): + del cfg.converters['decimal'] + with self.assertRaises(KeyError): + del cfg.converters[''] + with self.assertRaises(KeyError): + del cfg.converters[None] + + +class BlatantOverrideConvertersTestCase(unittest.TestCase): + """What if somebody overrode a getboolean()? We want to make sure that in + this case the automatic converters do not kick in.""" + + config = """ + [one] + one = false + two = false + three = long story short + + [two] + one = false + two = false + three = four + """ + + def test_converters_at_init(self): + cfg = configparser.ConfigParser(converters={'len': len}) + cfg.read_string(self.config) + self._test_len(cfg) + self.assertIsNotNone(cfg.converters['len']) + + def test_inheritance(self): + class StrangeConfigParser(configparser.ConfigParser): + gettysburg = 'a historic borough in south central Pennsylvania' + + def getboolean(self, section, option, *, raw=False, vars=None, + fallback=configparser._UNSET): + if section == option: + return True + return super().getboolean(section, option, raw=raw, vars=vars, + fallback=fallback) + def getlen(self, section, option, *, raw=False, vars=None, + fallback=configparser._UNSET): + return self._get_conv(section, option, len, raw=raw, vars=vars, + fallback=fallback) + + cfg = StrangeConfigParser() + cfg.read_string(self.config) + self._test_len(cfg) + self.assertIsNone(cfg.converters['len']) + self.assertTrue(cfg.getboolean('one', 'one')) + self.assertTrue(cfg.getboolean('two', 'two')) + self.assertFalse(cfg.getboolean('one', 'two')) + self.assertFalse(cfg.getboolean('two', 'one')) + cfg.converters['boolean'] = cfg._convert_to_boolean + self.assertFalse(cfg.getboolean('one', 'one')) + self.assertFalse(cfg.getboolean('two', 'two')) + self.assertFalse(cfg.getboolean('one', 'two')) + self.assertFalse(cfg.getboolean('two', 'one')) + + def _test_len(self, cfg): + self.assertEqual(len(cfg.converters), 4) + self.assertIn('boolean', cfg.converters) + self.assertIn('len', cfg.converters) + self.assertNotIn('tysburg', cfg.converters) + self.assertIsNone(cfg.converters['int']) + self.assertIsNone(cfg.converters['float']) + self.assertIsNone(cfg.converters['boolean']) + self.assertEqual(cfg.getlen('one', 'one'), 5) + self.assertEqual(cfg.getlen('one', 'two'), 5) + self.assertEqual(cfg.getlen('one', 'three'), 16) + self.assertEqual(cfg.getlen('two', 'one'), 5) + self.assertEqual(cfg.getlen('two', 'two'), 5) + self.assertEqual(cfg.getlen('two', 'three'), 4) + self.assertEqual(cfg.getlen('two', 'four', fallback=0), 0) + with self.assertRaises(configparser.NoOptionError): + cfg.getlen('two', 'four') + self.assertEqual(cfg['one'].getlen('one'), 5) + self.assertEqual(cfg['one'].getlen('two'), 5) + self.assertEqual(cfg['one'].getlen('three'), 16) + self.assertEqual(cfg['two'].getlen('one'), 5) + self.assertEqual(cfg['two'].getlen('two'), 5) + self.assertEqual(cfg['two'].getlen('three'), 4) + self.assertEqual(cfg['two'].getlen('four', 0), 0) + self.assertEqual(cfg['two'].getlen('four'), None) + + def test_instance_assignment(self): + cfg = configparser.ConfigParser() + cfg.getboolean = lambda section, option: True + cfg.getlen = lambda section, option: len(cfg[section][option]) + cfg.read_string(self.config) + self.assertEqual(len(cfg.converters), 3) + self.assertIn('boolean', cfg.converters) + self.assertNotIn('len', cfg.converters) + self.assertIsNone(cfg.converters['int']) + self.assertIsNone(cfg.converters['float']) + self.assertIsNone(cfg.converters['boolean']) + self.assertTrue(cfg.getboolean('one', 'one')) + self.assertTrue(cfg.getboolean('two', 'two')) + self.assertTrue(cfg.getboolean('one', 'two')) + self.assertTrue(cfg.getboolean('two', 'one')) + cfg.converters['boolean'] = cfg._convert_to_boolean + self.assertFalse(cfg.getboolean('one', 'one')) + self.assertFalse(cfg.getboolean('two', 'two')) + self.assertFalse(cfg.getboolean('one', 'two')) + self.assertFalse(cfg.getboolean('two', 'one')) + self.assertEqual(cfg.getlen('one', 'one'), 5) + self.assertEqual(cfg.getlen('one', 'two'), 5) + self.assertEqual(cfg.getlen('one', 'three'), 16) + self.assertEqual(cfg.getlen('two', 'one'), 5) + self.assertEqual(cfg.getlen('two', 'two'), 5) + self.assertEqual(cfg.getlen('two', 'three'), 4) + # If a getter impl is assigned straight to the instance, it won't + # be available on the section proxies. + with self.assertRaises(AttributeError): + self.assertEqual(cfg['one'].getlen('one'), 5) + with self.assertRaises(AttributeError): + self.assertEqual(cfg['two'].getlen('one'), 5) + + if __name__ == '__main__': unittest.main() |