Add a simple test

Author: sebbacon

README.rst

@@ -25,6 +25,13 @@ Use it.
     >>> HTMLSlacker('<b>Hello</b>, <i>Slack</i>!').get_output()
     '*Hello*, _Slack_!'
 
+Test it.
+
+.. code:: python
+
+    $ python setup.py test
+
+
 Requirements
 ------------
 

setup.cfg

@@ -1,2 +1,5 @@
 [metadata]
 description-file = README.rst
+
+[aliases]
+test=pytest

setup.py

@@ -1,6 +1,10 @@
+import sys
 from setuptools import setup, find_packages
 from os.path import join, dirname
 
+needs_pytest = {'pytest', 'test', 'ptr'}.intersection(sys.argv)
+pytest_runner = ['pytest-runner'] if needs_pytest else []
+
 setup(
     name='html-slacker',
     packages=find_packages(),
@@ -19,5 +23,7 @@
         'Topic :: Software Development :: Libraries',
         'Environment :: Console',
     ],
+    setup_requires=pytest_runner,
+    tests_require=["pytest"],
     python_requires='>=2.5'
 )

test_general.py

@@ -0,0 +1,16 @@
+from htmlslacker import HTMLSlacker
+
+
+def test_example_1():
+    html = """
+    <b>Hello</b><br>
+    There is <i>something</i> interesting about <code>this doc</code>
+
+    <p>
+    And <a href="http://example.com/">here is a
+    link in a paragraph!</a>
+    </p>
+    """
+    expected = "*Hello*\n There is _something_ interesting about `this doc` \n And <http://example.com/|here is a link in a paragraph!>"
+    output = HTMLSlacker(html).get_output()
+    assert(output == expected)