add tests for text-module

setup.py

@@ -46,4 +46,5 @@ setup(
         "Topic :: Multimedia",
         "Topic :: Multimedia :: Graphics",
     ],
+    test_suite='test',
 )

test/test_text.py

@@ -0,0 +1,51 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+# Copyright 2015 Mike Fährmann
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 as
+# published by the Free Software Foundation.
+
+import unittest
+import gallery_dl.text as text
+
+class TestText(unittest.TestCase):
+
+    def test_remove_html(self):
+        cases = (
+            "Hello World.",
+            " Hello  World. ",
+            "Hello<br/>World.",
+            "<div><span class='a'>Hello</span><strong>World.</strong></div>"
+        )
+        result = "Hello World."
+        for case in cases:
+            self.assertEqual(text.remove_html(case), result)
+
+    def test_filename_from_url(self):
+        cases = (
+            "http://example.org/v2/filename.ext",
+            "http://example.org/v2/filename.ext?param=value#fragment",
+            "example.org/filename.ext",
+            "/filename.ext",
+            "filename.ext",
+        )
+        result = "filename.ext"
+        for case in cases:
+            self.assertEqual(text.filename_from_url(case), result)
+
+    def test_clean_path(self):
+        cases = {
+            "Hello World." : ("Hello World.", "Hello World."),
+            "Hello/World/.": ("Hello_World_.", "Hello_World_."),
+            r'<Hello>:|"World\*?': (
+                '_Hello____World___', r'<Hello>:|"World\*?'
+            ),
+        }
+        for case, result in cases.items():
+            self.assertEqual(text.clean_path_windows(case), result[0])
+            self.assertEqual(text.clean_path_posix  (case), result[1])
+
+if __name__ == '__main__':
+    unittest.main()