Moved 1 to 5 to Python and learned a ton.

python/lib_fibonacci_tests.py

@@ -0,0 +1,35 @@
+import unittest
+try:
+    from .lib_fibonacci import fibonacci_generator
+    from .lib_fibonacci import fibonacci_generator_smaller
+    from .lib_fibonacci import fibonacci_nth
+except ModuleNotFoundError:
+    from lib_fibonacci import fibonacci_generator
+    from lib_fibonacci import fibonacci_generator_smaller
+    from lib_fibonacci import fibonacci_nth
+
+
+class TestFibonacciMethods(unittest.TestCase):
+
+    def test_fibonacci_generator(self):
+        g = fibonacci_generator()
+        fs = [next(g) for _ in range(10)]
+        self.assertEqual(fs, [1, 1, 2, 3, 5, 8, 13, 21, 34, 55])
+        self.assertNotEqual(fs, [0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55])
+
+    def test_fibonacci_generator_smaller(self):
+        g = fibonacci_generator_smaller(20)
+        self.assertEqual(list(g), [1, 1, 2, 3, 5, 8, 13])
+
+    def test_fibonacci_nth(self):
+        self.assertEqual(fibonacci_nth(0), 0)
+        self.assertEqual(fibonacci_nth(1), 1)
+        self.assertEqual(fibonacci_nth(2), 1)
+        self.assertEqual(fibonacci_nth(3), 2)
+        self.assertEqual(fibonacci_nth(4), 3)
+        self.assertEqual(fibonacci_nth(5), 5)
+        self.assertEqual(fibonacci_nth(6), 8)
+
+
+if __name__ == '__main__':
+    unittest.main()