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from collections import OrderedDict |
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from typing import List, Union, Tuple |
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from unittest import TestCase |
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from typish import ClsDict |
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class TestClsDict(TestCase): |
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def test_invalid_initialization(self): |
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# Only one positional argument is accepted. |
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with self.assertRaises(TypeError): |
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ClsDict({}, {}) |
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# The positional argument must be a dict |
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with self.assertRaises(TypeError): |
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ClsDict(1) |
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# The dict must have types as keys |
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with self.assertRaises(TypeError): |
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ClsDict({ |
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int: 1, |
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str: 2, |
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'float': 3, |
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}) |
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def test_getitem(self): |
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cd = ClsDict({int: 123, str: '456'}) |
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self.assertEqual(123, cd[42]) |
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self.assertEqual('456', cd['test']) |
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def test_getitem_more_complicated(self): |
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cd = ClsDict({ |
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List[Union[str, int]]: 1, |
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Tuple[float, ...]: 2, |
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}) |
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self.assertEqual(1, cd[[1, 2, '3', 4]]) |
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self.assertEqual(2, cd[(1.0, 2.0, 3.0, 4.0)]) |
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40
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with self.assertRaises(KeyError): |
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self.assertEqual(2, cd[(1.0, 2.0, '3.0', 4.0)]) |
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42
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def test_no_match(self): |
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cd = ClsDict({str: '456'}) |
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with self.assertRaises(KeyError): |
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cd[42] |
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49
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def test_get(self): |
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cd = ClsDict({str: '456'}) |
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self.assertEqual('456', cd.get('test')) |
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self.assertEqual(None, cd.get(42)) |
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self.assertEqual(123, cd.get(42, 123)) |
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56
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def test_ordereddict(self): |
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od = OrderedDict([ |
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(int, 1), |
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(object, 2), |
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]) |
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cd = ClsDict(od) |
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self.assertEqual(1, cd[123]) |
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self.assertEqual(2, cd['123']) |
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ramonhagenaars /
typish
