Integration von Momos Code + Tests

others/Momo/MomoStringCalculator.py

+#vorher im anderen projekt jetzt im neuen projekt
+#test no string
+#test add 1 string
+#test adding 2 strings
+
+#add 3 strings
+#add 4 strings
+#add 6 strings
+
+#\n statt , bei 2 strings
+#\n statt , bei mehreren strings
+
+# eine negative zahl
+# mehrere negative zahlen
+
+# Delimiters:
+# add numbers seperated by a custom delimiter
+# Test with - Numbers
+
+#numbers over 1000 should be ignored
+#1001 + 2 should return 2
+#1001 -2 should return negatives not allowed
+
+#custom delimiters
+#input "//[***]\n1***2***3"
+#output 6
+
+import unittest
+import re
+from src.stringcalculator import StringCalculator #Auskommentieren, falls andere Implementierung genutzt wird
+'''
+class StringCalculator:
+    def __init__(self):
+        self.called_count = 0
+    def add (self, numbers : str)-> int: #Erwartet Integer
+        if not numbers:
+            return 0
+        
+        if numbers.startswith("//"):
+            delimiter_end_index = numbers.index("\n")
+            delimiter_section = numbers[2:delimiter_end_index]
+            numbers = numbers[delimiter_end_index +1:]
+            
+            if delimiter_section.startswith("[")and delimiter_section.endswith("]"):
+                delimiters = re.findall(r'\[([^\]]+)\]',delimiter_section)
+            else:
+                delimiters= [delimiter_section]
+
+            for delimiters in delimiters:
+                numbers = numbers.replace(delimiters,",")
+
+        numbers = numbers.replace("\n",",")
+            
+        number_list = numbers.split(',')#aufteilung der strings
+        negative = [] #array für die negativen nummern
+        numbers_to_add = []
+            #total_sum = 0
+        for number_str in number_list: #jedes element in der liste wird durch genommen
+                #if number_str:
+            number = int(number_str)# summierung der integer
+            if number <0:
+                negative.append(number)
+            elif number > 1000:
+                continue
+            else:
+                numbers_to_add.append(number)
+                    #total_sum += number
+
+        if negative:
+            print(f"Negative Zahlen:{negative} ")#ausgabe negative zahlen
+            raise ValueError(f"negatives not allowed: {','.join(map(str, negative))}")
+        self.called_count += 1
+        return sum(numbers_to_add)
+    def get_called_count(self):
+        return self.called_count
+'''
+    
+class TestStingCalculator(unittest.TestCase):
+    def setUp(self):
+        self.calculator = StringCalculator()     
+    def test_empty_string(self):
+        self.assertEqual(self.calculator.add(""), 0) #leerer string + 0
+    def test_single_number(self):
+        self.assertEqual(self.calculator.add("5"),5) #eingabe von einem String
+    def test_multiple_numbers(self):
+        self.assertEqual(self.calculator.add("5,5"),10)#eingabe mehrere strings
+    def test_unknowen_amount_of_numbers(self):
+        self.assertEqual(self.calculator.add("1,2,3"),6)
+        self.assertEqual(self.calculator.add("10,20,30,40"),100)
+        self.assertEqual(self.calculator.add("1,2,3,4,5,6"),21)
+    def test_numbers_seperated_by_newline(self):
+        self.assertEqual(self.calculator.add("1\n2"),3)
+        self.assertEqual(self.calculator.add("1\n2\n3"),6)
+        self.assertEqual(self.calculator.add("10,20\n30"),60)
+
+    def test_negative_number_exception(self):
+
+        with self.assertRaises(ValueError) as e:
+            self.calculator.add("-1,2")
+        self.assertEqual(str(e.exception), "negatives not allowed: -1")
+    def test_multiple_negative_numbers_exception(self):
+        with self.assertRaises(ValueError)as e:
+            self.calculator.add("-1,-2,3")
+        self.assertEqual(str(e.exception),"negatives not allowed: -1,-2")
+        with self.assertRaises(ValueError) as e:
+            self.calculator.add("-1,-3,4")
+        self.assertEqual(str(e.exception),"negatives not allowed: -1,-3")
+
+        with self.assertRaises(ValueError) as e:
+            self.calculator.add("-1\n-3,4")
+        self.assertEqual(str(e.exception),"negatives not allowed: -1,-3")
+    def test_add_numbers_with_custom_delimiter(self):
+        self.assertEqual(self.calculator.add("//;\n1;2;3"),6)
+        self.assertEqual(self.calculator.add("//;\n1,2,3"),6)
+        with self.assertRaises(ValueError) as e:
+            self.calculator.add("//;\n-3,4")
+        self.assertEqual(str(e.exception),"negatives not allowed: -3")
+    
+    def test_add_numbers_greater_than_1000(self):
+        self.assertEqual(self.calculator.add("1,1001,2,3"),6)
+    def test_add_numbers_greater_than_1000_1002(self):
+        self.assertEqual(self.calculator.add("1002,1,2,3"),6)
+    def test_add_numbers_greater_1000_and_minus(self):
+        with self.assertRaises(ValueError) as e:
+            self.calculator.add("//;\n-3,4;1001")
+        self.assertEqual(str(e.exception),"negatives not allowed: -3")
+    def test_custom_delimiter(self):
+        self.assertEqual(self.calculator.add("//[***]\n1***2***3"),6)
+    def test_custom_del(self):
+        self.assertEqual(self.calculator.add("//[+++]\n1+++2+++3"),6)
+    def test_custom_del2(self):
+        self.assertEqual(self.calculator.add("//[aa]\n1aa2aa3"),6)
+        
+        
+
+if __name__=='__main__':
+    unittest.main()
+
+# python -m unittest others.Momo.MomoStringCalculator -v
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