Interactors are now subclasses of Interactor

aquarius/Interactor.py

@@ -0,0 +1,4 @@
+class Interactor(object):
+
+    def execute(self, param):
+        pass

aquarius/interactors/AddBookInteractor.py

@@ -1,4 +1,7 @@
-class AddBookInteractor(object):
+from aquarius.Interactor import Interactor
+
+
+class AddBookInteractor(Interactor):
 
     def __init__(self, persistence):
         self.__persistence = persistence

aquarius/interactors/ListBooksByFirstLetterInteractor.py

@@ -1,4 +1,7 @@
-class ListBooksByFirstLetterInteractor(object):
+from aquarius.Interactor import Interactor
+
+
+class ListBooksByFirstLetterInteractor(Interactor):
 
     def __init__(self, persistence):
         self.__persistence = persistence

aquarius/interactors/SearchBookInteractor.py

@@ -1,4 +1,7 @@
-class SearchBookInteractor(object):
+from aquarius.Interactor import Interactor
+
+
+class SearchBookInteractor(Interactor):
     def __init__(self, persistence):
         self.__persistence = persistence
 

tests/TestInteractor.py

@@ -0,0 +1,10 @@
+import unittest
+from aquarius.Interactor import Interactor
+
+
+class TestInteractor(unittest.TestCase):
+
+    def TestExecute(self):
+        i = Interactor()
+        i.execute("param")
+

tests/interactors/TestAddBookInteractor.py

@@ -1,5 +1,6 @@
 import unittest
 from unittest.mock import Mock
+from aquarius.Interactor import Interactor
 from aquarius.interactors.AddBookInteractor import AddBookInteractor
 from aquarius.objects.Book import Book
 from aquarius.objects.BookFormat import BookFormat
@@ -8,6 +9,10 @@
 
 class TestAddBookInteractor(unittest.TestCase):
 
+    def test_is_instance_of_interactor(self):
+        target = AddBookInteractor(None)
+        self.assertIsInstance(target, Interactor)
+
     def test_execute_gets_book_from_persistence(self):
         persistence = Mock(SqlitePersistence)
         persistence.get_book_by_title_and_author = Mock(return_value=(self.__get_book()))

tests/interactors/TestListBooksByFirstLetterInteractor.py

@@ -1,11 +1,16 @@
 import unittest
 from unittest.mock import Mock
+from aquarius.Interactor import Interactor
 from aquarius.interactors.ListBooksByFirstLetterInteractor import ListBooksByFirstLetterInteractor
 from aquarius.persistence.sqlitepersistence.SqlitePersistence import SqlitePersistence
 
 
 class TestListBooksByFirstLetterInteractor(unittest.TestCase):
 
+    def test_is_instance_of_interactor(self):
+        i = ListBooksByFirstLetterInteractor(None)
+        self.assertIsInstance(i, Interactor)
+
     def test_execute_calls_persistence(self):
         persistence = Mock(SqlitePersistence)
         i = ListBooksByFirstLetterInteractor(persistence)

tests/interactors/TestSearchBookInteractor.py

@@ -1,11 +1,16 @@
 import unittest
 from unittest.mock import Mock
+from aquarius.Interactor import Interactor
 from aquarius.interactors.SearchBookInteractor import SearchBookInteractor
 from aquarius.persistence.sqlitepersistence.SqlitePersistence import SqlitePersistence
 
 
 class TestSearchBookInteractor(unittest.TestCase):
 
+    def test_is_instance_of_interactor(self):
+        i = SearchBookInteractor(None)
+        self.assertIsInstance(i, Interactor)
+
     def test_execute(self):
         persistence = Mock(SqlitePersistence)
         i = SearchBookInteractor(persistence)