263 lines
8.9 KiB
Python
263 lines
8.9 KiB
Python
# -*- coding: utf-8; -*-
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import sys
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from unittest import TestCase
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from unittest.mock import patch, MagicMock
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import pytest
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from wuttjamaican import util as mod
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class A: pass
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class B(A): pass
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class C(B): pass
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class TestGetClassHierarchy(TestCase):
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def test_basic(self):
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classes = mod.get_class_hierarchy(A)
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self.assertEqual(classes, [A])
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classes = mod.get_class_hierarchy(B)
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self.assertEqual(classes, [A, B])
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classes = mod.get_class_hierarchy(C)
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self.assertEqual(classes, [A, B, C])
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classes = mod.get_class_hierarchy(C, topfirst=False)
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self.assertEqual(classes, [C, B, A])
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class TestLoadEntryPoints(TestCase):
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def test_empty(self):
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# empty set returned for unknown group
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result = mod.load_entry_points('this_should_never_exist!!!!!!')
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self.assertEqual(result, {})
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def test_basic(self):
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# load some entry points which should "always" be present,
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# even in a testing environment. basic sanity check
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result = mod.load_entry_points('console_scripts', ignore_errors=True)
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self.assertTrue(len(result) >= 1)
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self.assertIn('pip', result)
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def test_basic_pre_python_3_10(self):
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# the goal here is to get coverage for code which would only
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# run on python 3,9 and older, but we only need that coverage
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# if we are currently testing python 3.10+
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if sys.version_info.major == 3 and sys.version_info.minor < 10:
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pytest.skip("this test is not relevant before python 3.10")
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import importlib.metadata
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real_entry_points = importlib.metadata.entry_points()
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class FakeEntryPoints(dict):
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def get(self, group, default):
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return real_entry_points.select(group=group)
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importlib = MagicMock()
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importlib.metadata.entry_points.return_value = FakeEntryPoints()
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with patch.dict('sys.modules', **{'importlib': importlib}):
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# load some entry points which should "always" be present,
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# even in a testing environment. basic sanity check
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result = mod.load_entry_points('console_scripts', ignore_errors=True)
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self.assertTrue(len(result) >= 1)
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self.assertIn('pytest', result)
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def test_basic_pre_python_3_8(self):
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# the goal here is to get coverage for code which would only
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# run on python 3.7 and older, but we only need that coverage
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# if we are currently testing python 3.8+
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if sys.version_info.major == 3 and sys.version_info.minor < 8:
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pytest.skip("this test is not relevant before python 3.8")
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from importlib.metadata import entry_points
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real_entry_points = entry_points()
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class FakeEntryPoints(dict):
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def get(self, group, default):
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if hasattr(real_entry_points, 'select'):
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return real_entry_points.select(group=group)
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return real_entry_points.get(group, [])
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importlib_metadata = MagicMock()
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importlib_metadata.entry_points.return_value = FakeEntryPoints()
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orig_import = __import__
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def mock_import(name, *args, **kwargs):
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if name == 'importlib.metadata':
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raise ImportError
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if name == 'importlib_metadata':
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return importlib_metadata
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return orig_import(name, *args, **kwargs)
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with patch('builtins.__import__', side_effect=mock_import):
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# load some entry points which should "always" be present,
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# even in a testing environment. basic sanity check
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result = mod.load_entry_points('console_scripts', ignore_errors=True)
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self.assertTrue(len(result) >= 1)
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self.assertIn('pytest', result)
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def test_error(self):
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# skip if < 3.8
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if sys.version_info.major == 3 and sys.version_info.minor < 8:
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pytest.skip("this requires python 3.8 for entry points via importlib")
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entry_point = MagicMock()
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entry_point.load.side_effect = NotImplementedError
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entry_points = MagicMock()
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entry_points.select.return_value = [entry_point]
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importlib = MagicMock()
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importlib.metadata.entry_points.return_value = entry_points
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with patch.dict('sys.modules', **{'importlib': importlib}):
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# empty set returned if errors suppressed
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result = mod.load_entry_points('wuttatest.thingers', ignore_errors=True)
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self.assertEqual(result, {})
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importlib.metadata.entry_points.assert_called_once_with()
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entry_points.select.assert_called_once_with(group='wuttatest.thingers')
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entry_point.load.assert_called_once_with()
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# error is raised, if not suppressed
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importlib.metadata.entry_points.reset_mock()
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entry_points.select.reset_mock()
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entry_point.load.reset_mock()
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self.assertRaises(NotImplementedError, mod.load_entry_points, 'wuttatest.thingers')
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importlib.metadata.entry_points.assert_called_once_with()
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entry_points.select.assert_called_once_with(group='wuttatest.thingers')
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entry_point.load.assert_called_once_with()
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class TestLoadObject(TestCase):
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def test_missing_spec(self):
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self.assertRaises(ValueError, mod.load_object, None)
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def test_basic(self):
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result = mod.load_object('unittest:TestCase')
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self.assertIs(result, TestCase)
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class TestMakeUUID(TestCase):
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def test_basic(self):
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uuid = mod.make_uuid()
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self.assertEqual(len(uuid), 32)
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class TestParseBool(TestCase):
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def test_null(self):
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self.assertIsNone(mod.parse_bool(None))
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def test_bool(self):
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self.assertTrue(mod.parse_bool(True))
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self.assertFalse(mod.parse_bool(False))
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def test_string_true(self):
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self.assertTrue(mod.parse_bool('true'))
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self.assertTrue(mod.parse_bool('yes'))
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self.assertTrue(mod.parse_bool('y'))
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self.assertTrue(mod.parse_bool('on'))
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self.assertTrue(mod.parse_bool('1'))
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def test_string_false(self):
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self.assertFalse(mod.parse_bool('false'))
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self.assertFalse(mod.parse_bool('no'))
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self.assertFalse(mod.parse_bool('n'))
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self.assertFalse(mod.parse_bool('off'))
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self.assertFalse(mod.parse_bool('0'))
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# nb. assume false for unrecognized input
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self.assertFalse(mod.parse_bool('whatever-else'))
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class TestParseList(TestCase):
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def test_null(self):
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value = mod.parse_list(None)
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self.assertIsInstance(value, list)
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self.assertEqual(len(value), 0)
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def test_list_instance(self):
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mylist = []
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value = mod.parse_list(mylist)
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self.assertIs(value, mylist)
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def test_single_value(self):
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value = mod.parse_list('foo')
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self.assertEqual(len(value), 1)
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self.assertEqual(value[0], 'foo')
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def test_single_value_padded_by_spaces(self):
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value = mod.parse_list(' foo ')
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self.assertEqual(len(value), 1)
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self.assertEqual(value[0], 'foo')
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def test_slash_is_not_a_separator(self):
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value = mod.parse_list('/dev/null')
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self.assertEqual(len(value), 1)
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self.assertEqual(value[0], '/dev/null')
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def test_multiple_values_separated_by_whitespace(self):
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value = mod.parse_list('foo bar baz')
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self.assertEqual(len(value), 3)
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self.assertEqual(value[0], 'foo')
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self.assertEqual(value[1], 'bar')
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self.assertEqual(value[2], 'baz')
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def test_multiple_values_separated_by_commas(self):
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value = mod.parse_list('foo,bar,baz')
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self.assertEqual(len(value), 3)
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self.assertEqual(value[0], 'foo')
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self.assertEqual(value[1], 'bar')
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self.assertEqual(value[2], 'baz')
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def test_multiple_values_separated_by_whitespace_and_commas(self):
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value = mod.parse_list(' foo, bar baz')
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self.assertEqual(len(value), 3)
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self.assertEqual(value[0], 'foo')
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self.assertEqual(value[1], 'bar')
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self.assertEqual(value[2], 'baz')
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def test_multiple_values_separated_by_whitespace_and_commas_with_some_quoting(self):
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value = mod.parse_list("""
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foo
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"C:\\some path\\with spaces\\and, a comma",
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baz
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""")
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self.assertEqual(len(value), 3)
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self.assertEqual(value[0], 'foo')
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self.assertEqual(value[1], 'C:\\some path\\with spaces\\and, a comma')
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self.assertEqual(value[2], 'baz')
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def test_multiple_values_separated_by_whitespace_and_commas_with_single_quotes(self):
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value = mod.parse_list("""
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foo
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'C:\\some path\\with spaces\\and, a comma',
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baz
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""")
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self.assertEqual(len(value), 3)
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self.assertEqual(value[0], 'foo')
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self.assertEqual(value[1], 'C:\\some path\\with spaces\\and, a comma')
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self.assertEqual(value[2], 'baz')
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class TestMakeTitle(TestCase):
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def test_basic(self):
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text = mod.make_title('foo_bar')
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self.assertEqual(text, "Foo Bar")
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