working on exercise 1

Author: ramalho

docs/exercise_1.rst

@@ -5,7 +5,7 @@ Exercise #1: Vector addition
 A. Preparation
 ---------------
 
-1. Install ``py.test``:: ``pip install pytest`
+1. Install ``py.test``:: ``pip install pytest``
 
 2. Clone or download repo at https://github.com/fluentpython/pythonic-api
 
@@ -15,6 +15,6 @@ B. Vector unary ``-``
 
 1. Go to ``exercises/vector`` directory
 
-2. Run the tests: ``py.test`
+2. Run the tests: ``py.test``
 
 3. Open the ``vector/vector.py``.

docs/inspiration.rst

@@ -60,4 +60,22 @@ Using ``urllib2``::
 
     # ------
     # 200
-    # 'application/json'
+    # 'application/json'
+
+
+
+The ``py.test`` library and test runner
+----------------------------------------
+
+With ``py.test``:
+
+.. literalinclude:: ../exercises/vector/test_vector_neg.py
+
+
+With ``unittest``:
+
+.. literalinclude:: ../exercises/vector/test_xunit_vector_neg.py
+
+
+
+

exercises/vector/solution/solution.zip

@@ -0,0 +1,8 @@
+import unittest
+
+from vector import Vector
+
+class TestStringMethods(unittest.TestCase):
+
+    def test_vector_unary_minus(self):
+        self.assertEqual(-Vector([1, 2, 3]), Vector([-1, -2, -3]))