Implementierung SerchimoMarvin getestet stringCalculator

Other/SerchimoMarvin_2/my_calculator.py

+#Implementierung von SerchimoMarvin auf meinen Testfälle: StringCalculator
+import unittest
+
+from feature7 import StringCalculator
+
+class TestStringCalculator(unittest.TestCase):
+    def setUp(self):
+        self.calculator = StringCalculator()
+    
+    def test_implements_interface(self):
+        self.assertIsInstance(self.calculator, StringCalculator)
+
+    def test_empty_string(self):
+        self.assertEqual(self.calculator.add(""), 0)
+    
+    def test_single_number(self):
+        self.assertEqual(self.calculator.add("1"), 1)
+    
+    def test_two_numbers(self):
+        self.assertEqual(self.calculator.add("1,2"), 3)
+    
+    def test_multiple_numbers(self):
+        self.assertEqual(self.calculator.add("1,2,3,4,5"), 15)
+    
+    def test_numbers_with_newline(self):
+        self.assertEqual(self.calculator.add("1\n2,3"), 6)
+    
+    def test_numbers_with_multiple_newlines(self):
+        self.assertEqual(self.calculator.add("1\n2\n3\n4\n5"), 15)
+    
+    def test_negative_number(self):
+        with self.assertRaises(ValueError) as context:
+            self.calculator.add("1,-2,3")
+        self.assertEqual(str(context.exception), "Negatives not allowed: -2")
+    
+    def test_multiple_negative_numbers(self):
+        with self.assertRaises(ValueError) as context:
+            self.calculator.add("1,-2,-3,4")
+        self.assertEqual(str(context.exception), "Negatives not allowed: -2, -3")
+    
+    def test_custom_delimiter(self):
+        self.assertEqual(self.calculator.add("//;\n1;2"), 3)
+    
+    def test_custom_delimiter_with_newline(self):
+        self.assertEqual(self.calculator.add("//;\n1;2\n3"), 6)
+    
+    def test_custom_delimiter_with_multiple_numbers(self):
+        self.assertEqual(self.calculator.add("//|\n1|2|3|4"), 10)
+    
+    def test_numbers_greater_than_1000(self):
+        self.assertEqual(self.calculator.add("2,1001"), 2)
+    
+    def test_numbers_greater_than_1000_with_custom_delimiter(self):
+        self.assertEqual(self.calculator.add("//;\n2;1001"), 2)
+    
+
+if __name__ == "__main__":
+    unittest.main()

Other/SerchimoMarvin_2/stringCalculator.py

+from abc import ABC, abstractmethod
+import unittest
+
+class IStringCalculator(ABC):
+    @abstractmethod
+    def add(self, numbers: str) -> int:
+        pass
+
+class StringCalculator(IStringCalculator):
+    def add(self, numbers: str) -> int:
+        if not numbers:
+            return 0
+        
+        # Überprüfe, ob ein benutzerdefiniertes Trennzeichen angegeben ist
+        if numbers.startswith("//"):
+            delimiter_line_end = numbers.find("\n")
+            delimiter = numbers[2:delimiter_line_end]  # Extrahiere das Trennzeichen
+            numbers = numbers[delimiter_line_end + 1:]  # Entferne die erste Zeile mit dem Trennzeichen
+        else:
+            delimiter = ','  # Standard-Trennzeichen ist Komma
+
+        # Ersetze alle Vorkommen des Trennzeichens und teile die Eingabe
+        numbers = numbers.replace("\n", delimiter)
+        nums = numbers.split(delimiter)
+        
+        # Filtere alle Zahlen, die größer als 1000 sind
+        nums = [int(num) for num in nums if int(num) <= 1000]
+        
+        # Prüfe auf negative Zahlen
+        negatives = [num for num in nums if num < 0]
+        
+        if negatives:
+            # Wenn negative Zahlen vorhanden sind, werfe eine Ausnahme
+            raise ValueError(f"Negatives not allowed: {', '.join(map(str, negatives))}")
+        
+        # Berechne die Summe der Zahlen, die <= 1000 sind
+        return sum(nums)
+
+class TestStringCalculator(unittest.TestCase):
+    def setUp(self):
+        self.calculator = StringCalculator()
+
+    def test_empty_string(self):
+        self.assertEqual(self.calculator.add(""), 0)
+    
+    def test_single_number(self):
+        self.assertEqual(self.calculator.add("1"), 1)
+    
+    def test_two_numbers(self):
+        self.assertEqual(self.calculator.add("1,2"), 3)
+    
+    def test_multiple_numbers(self):
+        self.assertEqual(self.calculator.add("1,2,3,4,5"), 15)
+    
+    def test_numbers_with_newline(self):
+        self.assertEqual(self.calculator.add("1\n2,3"), 6)
+    
+    def test_numbers_with_multiple_newlines(self):
+        self.assertEqual(self.calculator.add("1\n2\n3\n4\n5"), 15)
+    
+    def test_negative_number(self):
+        with self.assertRaises(ValueError) as context:
+            self.calculator.add("1,-2,3")
+        self.assertEqual(str(context.exception), "Negatives not allowed: -2")
+    
+    def test_multiple_negative_numbers(self):
+        with self.assertRaises(ValueError) as context:
+            self.calculator.add("1,-2,-3,4")
+        self.assertEqual(str(context.exception), "Negatives not allowed: -2, -3")
+    
+    def test_custom_delimiter(self):
+        self.assertEqual(self.calculator.add("//;\n1;2"), 3)
+    
+    def test_custom_delimiter_with_newline(self):
+        self.assertEqual(self.calculator.add("//;\n1;2\n3"), 6)
+    
+    def test_custom_delimiter_with_multiple_numbers(self):
+        self.assertEqual(self.calculator.add("//|\n1|2|3|4"), 10)
+    
+    def test_numbers_greater_than_1000(self):
+        self.assertEqual(self.calculator.add("2,1001"), 2)
+    
+    def test_numbers_greater_than_1000_with_custom_delimiter(self):
+        self.assertEqual(self.calculator.add("//;\n2;1001"), 2)
+    
+
+if __name__ == "__main__":
+    unittest.main()

Other/SerchimoMarvin_2/your_calculator.py

+#Meine Implementierungen auf Testfälle anderer Studierenden testen: StringCalculator
+
+import re 
+import unittest
+from stringCalculator import StringCalculator
+
+
+class TestStringCalculator(unittest.TestCase):
+    """Test suite for the StringCalculator class."""
+
+    def setUp(self):
+        """neue Instanz des StringCalculators vor jedem Test"""
+        self.calculator = StringCalculator()
+
+    def test_implements_interface(self):
+        self.assertIsInstance(self.calculator, StringCalculator)
+
+    def test_empty_string_returns_zero(self):
+        """Feature 1: Leerer String soll 0 ergeben"""
+        self.assertEqual(self.calculator.add(""), 0)
+
+    def test_single_number_returns_value(self):
+        """Ein einzelner Wert soll zurückgegeben werden"""
+        self.assertEqual(self.calculator.add("1"), 1)
+
+    def test_two_numbers_return_sum(self):
+        """Zwei Zahlen sollen summiert werden"""
+        self.assertEqual(self.calculator.add("1,2"), 3)
+
+    def test_add_multiple_numbers(self):
+        """Feature 2: Mehrere Zahlen summieren"""
+        self.assertEqual(self.calculator.add("1,2,3,4,5"), 15)
+
+    def test_add_numbers_with_newlines(self):
+        """Feature 3: Zeilenumbrüche als Trennzeichen"""
+        self.assertEqual(self.calculator.add("1\n2\n3"), 6)
+
+    def test_add_negative_numbers(self):
+        """Feature 4: Negative Zahlen sollen Fehler werfen"""
+        with self.assertRaises(ValueError) as e:
+            self.calculator.add("-1,2,-3")
+        self.assertEqual(str(e.exception), "Negative numbers are not allowed: -1, -3")
+
+    def test_add_numbers_with_custom_delimiter(self):
+        """Feature 5: Benutzerdefiniertes Trennzeichen"""
+        self.assertEqual(self.calculator.add("//;\n1;2;3"), 6)    
+
+    def test_add_numbers_with_custom_delimiter_different_symbol(self):
+        """Feature 5: Benutzerdefiniertes Trennzeichen mit anderem Symbol"""
+        self.assertEqual(self.calculator.add("//#\n4#5#6"), 15)
+
+    def test_custom_delimiter_with_multiple_numbers(self):
+        """
+        Kombinierter Test für:
+        feature 5 und feature 2
+        Erwartet wird die korrekte Addition von sechs durch ein benutzerdefiniertes Zeichen getrennten Zahlen.
+        """
+        self.assertEqual(self.calculator.add("//:\n1:2:3:4:5:6"), 21)    
+
+    def test_add_numbers_greater_than_1000(self):
+        """Feature6 test"""
+        self.assertEqual(self.calculator.add("1,1001,2,3"), 6)
+
+    def test_add_numbers_with_newlines_and_ignore_above_1000(self):
+        """Feature 3 und 6 test Zeilenumbruch als trenner, Zahlen>1000 ignorieren"""
+        self.assertEqual(self.calculator.add("1\n2\n1000\n1001"), 1003)
+    
+    def test_add_numbers_with_custom_delimiter_long_length(self):
+        """Benutzerdefinierte Trennzeichen beliebig lang """
+        self.assertEqual(self.calculator.add("//[***]\n1***2***3"), 6)
+
+    def test_custom_long_delimiter_with_large_number_ignored(self):
+        """FEature 6 und 7 test Benutzerdefinierte Delimiter Länge und zahl über 1000 wird ignoriert"""
+        self.assertEqual(self.calculator.add("//[***]\n1***1001***2"), 3) 
+        
+    def test_custom_long_delimiter_with_negative_numbers(self):
+        """Feature 4 und 7: Benutzerdefinierter Delimiter beliebiger Länge + negative Zahlen"""
+        with self.assertRaises(ValueError) as e:
+             self.calculator.add("//[***]\n1***-2***3***-4")
+        self.assertEqual(str(e.exception), "Negative numbers are not allowed: -2, -4")
+    
+    
+
+
+
+if __name__ == '__main__':
+    unittest.main()