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1
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from unittest import TestCase |
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2
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3
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import numpy as np |
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4
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5
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from nptyping import Array |
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6
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7
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8
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class NPTypingTestSuite(TestCase): |
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9
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def test_isinstance(self): |
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10
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arr = np.array([[1, 2, 3], |
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11
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[4, 5, 6], |
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12
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[7, 8, 9], |
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13
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[8, 7, 6]]) |
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14
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15
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self.assertTrue(isinstance(arr, Array)) |
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16
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self.assertTrue(isinstance(arr, Array[int, 4, ...])) |
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self.assertTrue(isinstance(arr, Array[int, 4])) |
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18
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self.assertTrue(isinstance(arr, Array[int, 4, None])) |
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self.assertTrue(isinstance(arr, Array[int])) |
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self.assertTrue(isinstance(arr, Array[int, ...])) |
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self.assertTrue(isinstance(arr, Array[int, ..., 3])) |
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22
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self.assertTrue(isinstance(arr, Array[int, ..., ...])) |
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self.assertTrue(not isinstance(arr, Array[int, 5, ...])) |
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self.assertTrue(not isinstance(arr, Array[int, ..., 5])) |
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self.assertTrue(not isinstance(arr, Array[int, 5, 5])) |
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26
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27
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self.assertTrue(isinstance(np.array([1.0, 2.0, 3.0]), Array[float])) |
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28
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self.assertTrue(not isinstance(np.array([1.0, 2.0, 3.0]), Array[int])) |
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self.assertTrue(isinstance(np.array([1.0, 2.0, 3.0]), Array)) |
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30
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self.assertTrue(isinstance(np.array([]), Array[int])) |
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31
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32
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self.assertTrue(isinstance(np.array(['1', '22', '333']), Array[str])) |
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33
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34
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def test_heterogeneous_array(self): |
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dtype = [('a', float), ('b', float), ('c', int), ('d', str)] |
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a = np.array( |
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[ |
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(1.0, 2.0, 3, '4'), |
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(5.0, 6.0, 7, '8') |
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40
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], |
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dtype=dtype) |
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43
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self.assertTrue(isinstance(a, Array[float, float, int, str, 2])) |
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self.assertTrue(isinstance(a, Array[float, float, int, str, ...])) |
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45
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self.assertTrue(isinstance(a, Array[float, float, int, str])) |
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self.assertTrue(not isinstance(a, Array[float, int, int, str, 2])) |
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self.assertTrue(not isinstance(a, Array[float, float, str, 2])) |
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self.assertTrue(not isinstance(a, Array[float, float, str, 3])) |
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50
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with self.assertRaises(TypeError): |
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Array[float, float, int, 'should be an int'] |
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52
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53
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with self.assertRaises(TypeError): |
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54
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Array[float, float, int, 10, 10] |
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55
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56
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dtype = [('a', int), ('b', int), ('c', int), ('d', int)] |
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57
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a = np.array( |
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58
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[ |
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(1, 2, 3, 4), |
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60
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(11, 22, 33, 44) |
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], |
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dtype=dtype) |
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63
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64
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def test_identity(self): |
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self.assertTrue(Array is Array) |
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self.assertTrue(Array[int] is Array[int]) |
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self.assertTrue(Array[int, 1, 1] is Array[int, 1, 1]) |
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68
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69
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def test_empty_arg(self): |
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70
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with self.assertRaises(TypeError): |
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71
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Array[tuple()] |
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72
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73
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def test_instantiation(self): |
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with self.assertRaises(TypeError): |
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Array() |
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76
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ramonhagenaars /
nptyping
