Added Tests (#23)

* Fixed Spelling mistake

* Added UnitTesting

* Removed pycache

* Updated Readme to include testing info

* Added gititnore

* Added Travis for Testing

tests/test_main.py

@@ -0,0 +1,31 @@
+'''
+Tests for the main.py
+'''
+from main import make_graph
+import unittest
+
+
+class TestMain(unittest.TestCase):
+
+    def test_make_graph(self):
+        '''Tests the make_graph function'''
+        self.assertEqual(make_graph(0), "░░░░░░░░░░░░░░░░░░░░░░░░░",
+                         "0% should return ░░░░░░░░░░░░░░░░░░░░░░░░░")
+        self.assertEqual(make_graph(100), "█████████████████████████",
+                         "100% should return █████████████████████████")
+        self.assertEqual(make_graph(50), "████████████░░░░░░░░░░░░░",
+                         "50% should return ████████████░░░░░░░░░░░░░")
+        self.assertEqual(make_graph(25), "██████░░░░░░░░░░░░░░░░░░░",
+                         "25% should return ██████░░░░░░░░░░░░░░░░░░░")
+        self.assertEqual(make_graph(75), "██████████████████░░░░░░░",
+                         "75% should return ██████████████████░░░░░░░")
+        self.assertEqual(make_graph(3.14), "░░░░░░░░░░░░░░░░░░░░░░░░░",
+                         "3.14% should return ░░░░░░░░░░░░░░░░░░░░░░░░░")
+        self.assertEqual(make_graph(9.901), "██░░░░░░░░░░░░░░░░░░░░░░░",
+                         "9.901% should return ██░░░░░░░░░░░░░░░░░░░░░░░")
+        self.assertEqual(make_graph(87.5), "██████████████████████░░░",
+                         "87.5% should return ██████████████████████░░░")
+
+
+if __name__ == '__main__':
+    unittest.main()