primeiro commit com exercicios de Exercism realizados até esta data

python/hamming/hamming_test.py

@@ -0,0 +1,54 @@
+# These tests are auto-generated with test data from:
+# https://github.com/exercism/problem-specifications/tree/main/exercises/hamming/canonical-data.json
+# File last updated on 2023-07-19
+
+import unittest
+
+from hamming import (
+    distance,
+)
+
+
+class HammingTest(unittest.TestCase):
+    def test_empty_strands(self):
+        self.assertEqual(distance("", ""), 0)
+
+    def test_single_letter_identical_strands(self):
+        self.assertEqual(distance("A", "A"), 0)
+
+    def test_single_letter_different_strands(self):
+        self.assertEqual(distance("G", "T"), 1)
+
+    def test_long_identical_strands(self):
+        self.assertEqual(distance("GGACTGAAATCTG", "GGACTGAAATCTG"), 0)
+
+    def test_long_different_strands(self):
+        self.assertEqual(distance("GGACGGATTCTG", "AGGACGGATTCT"), 9)
+
+    def test_disallow_first_strand_longer(self):
+        with self.assertRaises(ValueError) as err:
+            distance("AATG", "AAA")
+
+        self.assertEqual(type(err.exception), ValueError)
+        self.assertEqual(err.exception.args[0], "Strands must be of equal length.")
+
+    def test_disallow_second_strand_longer(self):
+        with self.assertRaises(ValueError) as err:
+            distance("ATA", "AGTG")
+
+        self.assertEqual(type(err.exception), ValueError)
+        self.assertEqual(err.exception.args[0], "Strands must be of equal length.")
+
+    def test_disallow_empty_first_strand(self):
+        with self.assertRaises(ValueError) as err:
+            distance("", "G")
+
+        self.assertEqual(type(err.exception), ValueError)
+        self.assertEqual(err.exception.args[0], "Strands must be of equal length.")
+
+    def test_disallow_empty_second_strand(self):
+        with self.assertRaises(ValueError) as err:
+            distance("G", "")
+
+        self.assertEqual(type(err.exception), ValueError)
+        self.assertEqual(err.exception.args[0], "Strands must be of equal length.")