Initial commit

test_numberwords.py

@@ -0,0 +1,45 @@
+# test_numberwords.py
+# -------------------
+# By MWC Contributors
+# Run this file to test your implementation of numberwords.py
+
+import unittest
+from numberwords import (
+    int_under_10_to_str, 
+    int_under_20_to_str, 
+    int_under_100_to_str, 
+    int_under_1000_to_str,
+    int_under_1000000_to_str,
+)
+
+class TestIntToStr(unittest.TestCase):
+    cases = [
+        [int_under_10_to_str, 0, 'zero'], 
+        [int_under_10_to_str, 3, 'three'], 
+        [int_under_10_to_str, 9, 'nine'], 
+        [int_under_20_to_str, 9, 'nine'], 
+        [int_under_20_to_str, 10, 'ten'],
+        [int_under_20_to_str, 11, 'eleven'], 
+        [int_under_20_to_str, 18, 'eighteen'], 
+        [int_under_100_to_str, 18, 'eighteen'], 
+        [int_under_100_to_str, 43, 'forty-three'], 
+        [int_under_100_to_str, 60, 'sixty'], 
+        [int_under_100_to_str, 89, 'eighty-nine'], 
+        [int_under_1000_to_str, 89, 'eighty-nine'], 
+        [int_under_1000_to_str, 100, 'one hundred'], 
+        [int_under_1000_to_str, 212, 'two hundred and twelve'], 
+        [int_under_1000_to_str, 755, 'seven hundred and fifty-five'], 
+        [int_under_1000000_to_str, 1000, 'one thousand'], 
+        [int_under_1000000_to_str, 1001, 'one thousand one'], 
+        [int_under_1000000_to_str, 1672, 'one thousand six hundred and seventy-two'], 
+        [int_under_1000000_to_str, 10000, 'ten thousand'], 
+        [int_under_1000000_to_str, 588567, 'five hundred and ninety-eight thousand five hundred and sixty-seven'],
+    ]
+
+    def test_converts_integer_to_string(self):
+        for function, argument, expected in self.cases:
+            observed = function(argument)
+            with self.subTest(msg=function.__name__):
+                self.assertEqual(observed, expected)
+
+unittest.main()