added bowling example

tdd/bowling_test.py

@@ -0,0 +1,27 @@
+from tdd.bowling import BowlingGame
+
+
+def test_new_game():
+    bowling_game = BowlingGame()
+
+
+def test_new_game_trivial():
+    bowling_game = BowlingGame()
+    bowling_game.throw(5)
+    assert bowling_game.score() == 5
+
+
+def test_new_game_trivial_2():
+    bowling_game = BowlingGame()
+    bowling_game.throw(5)
+    bowling_game.throw(3)
+    assert bowling_game.score() == 8
+
+
+def test_new_game_trivial_3():
+    bowling_game = BowlingGame()
+    bowling_game.throw(6)
+    bowling_game.throw(4)
+
+    bowling_game.throw(3)
+    assert bowling_game.score() == 16