primeiro commit com exercicios de Exercism realizados até esta data

python/grains/grains_test.py

@@ -0,0 +1,54 @@
+# These tests are auto-generated with test data from:
+# https://github.com/exercism/problem-specifications/tree/main/exercises/grains/canonical-data.json
+# File last updated on 2023-09-27
+
+import unittest
+
+from grains import (
+    square,
+    total,
+)
+
+
+class GrainsTest(unittest.TestCase):
+    def test_grains_on_square_1(self):
+        self.assertEqual(square(1), 1)
+
+    def test_grains_on_square_2(self):
+        self.assertEqual(square(2), 2)
+
+    def test_grains_on_square_3(self):
+        self.assertEqual(square(3), 4)
+
+    def test_grains_on_square_4(self):
+        self.assertEqual(square(4), 8)
+
+    def test_grains_on_square_16(self):
+        self.assertEqual(square(16), 32768)
+
+    def test_grains_on_square_32(self):
+        self.assertEqual(square(32), 2147483648)
+
+    def test_grains_on_square_64(self):
+        self.assertEqual(square(64), 9223372036854775808)
+
+    def test_square_0_is_invalid(self):
+        with self.assertRaises(ValueError) as err:
+            square(0)
+        self.assertEqual(type(err.exception), ValueError)
+        self.assertEqual(err.exception.args[0], "square must be between 1 and 64")
+
+    def test_negative_square_is_invalid(self):
+        with self.assertRaises(ValueError) as err:
+            square(-1)
+        self.assertEqual(type(err.exception), ValueError)
+        self.assertEqual(err.exception.args[0], "square must be between 1 and 64")
+
+    def test_square_greater_than_64_is_invalid(self):
+        with self.assertRaises(ValueError) as err:
+            square(65)
+        self.assertEqual(type(err.exception), ValueError)
+        self.assertEqual(err.exception.args[0], "square must be between 1 and 64")
+
+    def test_returns_the_total_number_of_grains_on_the_board(self):
+        self.assertEqual(total(), 18446744073709551615)