implemented template design pattern

pypatterns/behavioral/template.py

@@ -0,0 +1,13 @@
+from abc import ABCMeta, abstractmethod
+
+
+class Template(object, metaclass=ABCMeta):
+    """
+    Abstract Template class as part of the Template design pattern.
+    """
+    @abstractmethod
+    def go(self):
+        """
+        Abstract method to call the concrete templates methods.
+        """
+        pass

tests/behavioral_tests/test_template.py

@@ -0,0 +1,81 @@
+from unittest import TestCase
+from pypatterns.behavioral.template import Template
+
+
+class TemplateTestCase(TestCase):
+    """
+    Unit testing class for the Template class
+    """
+    def setUp(self):
+        """
+        Initialize testing data.
+        """
+        class MakeMeal(Template):
+
+            def __init__(self):
+                self.prepared = False
+                self.cooked = False
+                self.eaten = False
+                self.drank = False
+
+            def go(self):
+                self.prepare()
+                self.cook()
+                self.eat()
+                self.drink()
+
+            def prepare(self):
+                pass
+
+            def cook(self):
+                pass
+
+            def eat(self):
+                pass
+
+            def drink(self):
+                pass
+
+        class MakePizza(MakeMeal):
+
+            def prepare(self):
+                self.prepared = True
+
+            def cook(self):
+                self.cooked = True
+
+            def eat(self):
+                self.eaten = True
+
+        class MakeTea(MakeMeal):
+
+            def prepare(self):
+                self.prepared = True
+
+            def cook(self):
+                self.cooked = True
+
+            def drink(self):
+                self.drank = True
+
+        self.make_pizza = MakePizza()
+        self.make_tea = MakeTea()
+
+    def test_go(self):
+        """
+        Test the go method.
+
+        @raise AssertionError: If the test fails.
+        """
+        self.make_pizza.go()
+        self.make_tea.go()
+
+        self.assertTrue(self.make_pizza.prepared)
+        self.assertTrue(self.make_pizza.cooked)
+        self.assertTrue(self.make_pizza.eaten)
+        self.assertFalse(self.make_pizza.drank)
+
+        self.assertTrue(self.make_tea.prepared)
+        self.assertTrue(self.make_tea.cooked)
+        self.assertFalse(self.make_tea.eaten)
+        self.assertTrue(self.make_tea.drank)