Meine Implementierung mit PikkemaatLasse Testfällen getestet

Other/PikkemaatLasse_1/your_converter.py

+import unittest
+
+from converter import RomanNumber
+from converter import IRomanNumber
+
+class TestRomanNumerals(unittest.TestCase):
+    def setUp(self):
+        self.converter = RomanNumber()
+
+    def test_implements_interface(self):
+        self.assertIsInstance(self.converter, IRomanNumber)
+
+    def test_to_roman_basic(self):
+        self.assertEqual(self.converter.to_roman(1), "I")
+        self.assertEqual(self.converter.to_roman(5), "V")
+        self.assertEqual(self.converter.to_roman(10), "X")
+        self.assertEqual(self.converter.to_roman(50), "L")
+        self.assertEqual(self.converter.to_roman(100), "C")
+        self.assertEqual(self.converter.to_roman(500), "D")
+        self.assertEqual(self.converter.to_roman(1000), "M")
+
+    def test_to_roman_subtraction(self):
+        self.assertEqual(self.converter.to_roman(4), "IV")
+        self.assertEqual(self.converter.to_roman(9), "IX")
+        self.assertEqual(self.converter.to_roman(40), "XL")
+        self.assertEqual(self.converter.to_roman(90), "XC")
+        self.assertEqual(self.converter.to_roman(400), "CD")
+        self.assertEqual(self.converter.to_roman(900), "CM")
+
+    def test_to_roman_addition(self):
+        self.assertEqual(self.converter.to_roman(2), "II")
+        self.assertEqual(self.converter.to_roman(3), "III")
+        self.assertEqual(self.converter.to_roman(6), "VI")
+        self.assertEqual(self.converter.to_roman(8), "VIII")
+        self.assertEqual(self.converter.to_roman(30), "XXX")
+        self.assertEqual(self.converter.to_roman(80), "LXXX")
+
+    def test_to_roman_mixed(self):
+        self.assertEqual(self.converter.to_roman(14), "XIV")
+        self.assertEqual(self.converter.to_roman(19), "XIX")
+        self.assertEqual(self.converter.to_roman(29), "XXIX")
+        self.assertEqual(self.converter.to_roman(44), "XLIV")
+        self.assertEqual(self.converter.to_roman(99), "XCIX")
+        self.assertEqual(self.converter.to_roman(444), "CDXLIV")
+        self.assertEqual(self.converter.to_roman(999), "CMXCIX")
+
+    def test_to_roman_large_numbers(self):
+        self.assertEqual(self.converter.to_roman(1001), "MI")
+        self.assertEqual(self.converter.to_roman(1987), "MCMLXXXVII")
+        self.assertEqual(self.converter.to_roman(2023), "MMXXIII")
+        self.assertEqual(self.converter.to_roman(3999), "MMMCMXCIX")
+
+    def test_to_roman_invalid(self):
+        with self.assertRaises(ValueError):
+            self.converter.to_roman(0)
+        with self.assertRaises(ValueError):
+            self.converter.to_roman(-1)
+        with self.assertRaises(ValueError):
+            self.converter.to_roman(4000)
+        with self.assertRaises(ValueError):
+            self.converter.to_roman("ABC")
+        with self.assertRaises(ValueError):
+            self.converter.to_roman(None)
+        with self.assertRaises(ValueError):
+            self.converter.to_roman(3.14)
+
+
+if __name__ == "__main__":
+    unittest.main()
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