Add assessment

assessment.md

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+# Dice Lab Assessment
+
+Everything works as expected. Nice work!
+
+## Checkpoint 1
+
+Checking the endpoints of the range (e.g. `listOfFaces[0] == listOfFaces[1] 
+and listOfFaces[0] == listOfFaces[2]` was a clever way to accomplish this.
+
+## Checkpoint 2
+
+The content of your docstrings looks good. However, most are above their function
+rather than inside it. This technically works, but defeats some of the purpose of 
+docstrings, as there are automated tools that use them and expect to find them in 
+the right place. 
+
+## Checkpoint 3
+
+Looks good. Just looking at your code for small straight, I wasn't sure it was correct, 
+so I wrote a few simple tests in `test_small_straight.py`. Everything works :)
+
+## Comments
+
+Thanks for thoughtful log messages. Indeed, D&D and other games are often excellent contexts
+for OOP. 

test_yahtzee_goals.py

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+from die import Die
+from yahtzee_goals import GoalSmallStraight
+
+def make_dice(faces):
+    """Given a list of face values, returns corresponding dice.
+    This is a helper method used to make testing easier. 
+    """
+    dice = []
+    for face in faces:
+        die = Die()
+        die.face = face
+        dice.append(die)
+    return dice
+
+def test_small_straight(faces, expected):
+    """Tests whether small straight works correctly. 
+    """
+    goal = GoalSmallStraight()
+    result = goal.is_small_straight(make_dice(faces))
+    assert(result == expected)
+
+test_small_straight([1, 1, 2, 3, 4], True)
+test_small_straight([4, 1, 1, 2, 3], True)
+test_small_straight([2, 3, 4, 5, 5], True)
+test_small_straight([1, 3, 3, 4, 5], False)