54 lines
1.8 KiB
Python
54 lines
1.8 KiB
Python
import unittest
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from math_problems_structure.grade_1 import compose_and_decompose_numbers
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class ComposeAndDecomposeNumbersTest(unittest.TestCase):
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def setUp(self) -> None:
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self.picture = {
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"id": "cube",
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"name": "Cube",
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"image_path": "/images/cube.png",
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}
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def test_creates_ordered_problem(self) -> None:
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problem = compose_and_decompose_numbers(picture=self.picture)
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rows = problem["rows"]
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self.assertEqual(problem["instructions"], "Compón y descompón el número.")
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self.assertEqual(problem["whole"], 10)
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self.assertEqual(problem["picture"], self.picture)
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self.assertEqual(len(rows), 9)
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self.assertEqual(
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[(row["first_part"], row["second_part"]) for row in rows],
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[(9, 1), (8, 2), (7, 3), (6, 4), (5, 5), (4, 6), (3, 7), (2, 8), (1, 9)],
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)
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for row in rows:
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self.assertEqual(row["whole"], 10)
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self.assertEqual(row["first_part"] + row["second_part"], 10)
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self.assertEqual(row["picture"], self.picture)
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def test_can_randomize_rows(self) -> None:
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problem = compose_and_decompose_numbers(
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picture=self.picture,
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randomize_rows=True,
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seed=1,
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)
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rows = problem["rows"]
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ordered_pairs = [(9, 1), (8, 2), (7, 3), (6, 4), (5, 5), (4, 6), (3, 7), (2, 8), (1, 9)]
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randomized_pairs = [(row["first_part"], row["second_part"]) for row in rows]
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self.assertNotEqual(randomized_pairs, ordered_pairs)
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self.assertCountEqual(randomized_pairs, ordered_pairs)
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def test_raises_for_whole_less_than_two(self) -> None:
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with self.assertRaisesRegex(ValueError, "whole must be at least 2"):
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compose_and_decompose_numbers(picture=self.picture, whole=1)
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if __name__ == "__main__":
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unittest.main()
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