add week 8 - jar

Author: alisharify7

week-8/jar/jar.py

@@ -0,0 +1,46 @@
+class Jar:
+    """Jar base class"""
+    def __init__(self, capacity: int=12):
+        self.size = 0
+        self.capacity = capacity # use setter
+
+
+    def deposit(self, v):
+        if self.__size + v > self.__capacity:
+            raise ValueError
+        else:
+            self.__size += v
+
+
+    def withdraw(self, v):
+        if v > self.__size:
+            raise ValueError
+        else:
+            self.__size -= v
+
+    def __str__(self):
+        cockie = "🍪"
+        return(cockie * self.__size)
+    
+    def __repr__(self):
+        return self.__str__
+
+    @property
+    def capacity(self):
+        return (self.__capacity)
+
+    @capacity.setter
+    def capacity(self, a):
+        a = int(a)
+        if a < 0:
+            raise ValueError
+        self.__capacity = a
+
+
+    @property
+    def size(self):
+        return (self.__size)
+
+    @size.setter
+    def size(self, a):
+        self.__size = a

week-8/jar/test_jar.py

@@ -0,0 +1,31 @@
+import pytest
+from jar import Jar
+
+
+def test_create_jar_default_values():
+    jar = Jar()
+    assert jar.size == 0
+    assert jar.capacity == 12
+
+
+
+def test_capacity_valueerror_int():
+    with pytest.raises(ValueError):
+        jar = Jar(capacity=-1)
+    with pytest.raises(ValueError):
+        jar = Jar(capacity="asd")
+
+
+def test_adding():
+    jar = Jar()
+    jar.deposit(8)
+    with pytest.raises(ValueError):
+        jar.deposit(12)
+
+def test_sub():
+    jar = Jar()
+    jar.deposit(12)
+    jar.withdraw(12)
+    with pytest.raises(ValueError):
+        jar.withdraw(12)
+