From b1325d4d2c2e5ba3d12ff2af1d6d35335dada953 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mike=20F=C3=A4hrmann?= <mike_faehrmann@web.de>
Date: Wed, 18 Apr 2018 18:01:43 +0200
Subject: [PATCH] fix extractor docstrings

---
 gallery_dl/extractor/artstation.py |  2 +-
 gallery_dl/extractor/tumblr.py     |  2 +-
 test/test_extractor.py             | 11 +++++++++++
 3 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/gallery_dl/extractor/artstation.py b/gallery_dl/extractor/artstation.py
index fbea9595..39e6fe6b 100644
--- a/gallery_dl/extractor/artstation.py
+++ b/gallery_dl/extractor/artstation.py
@@ -137,7 +137,7 @@ class ArtstationUserExtractor(ArtstationExtractor):
 
 
 class ArtstationAlbumExtractor(ArtstationExtractor):
-    """Extractor for all projects of an artstation user"""
+    """Extractor for all projects in an artstation album"""
     subcategory = "album"
     directory_fmt = ["{category}", "{userinfo[username]}", "Albums",
                      "{album[id]} - {album[title]}"]
diff --git a/gallery_dl/extractor/tumblr.py b/gallery_dl/extractor/tumblr.py
index f853d964..c4e94dad 100644
--- a/gallery_dl/extractor/tumblr.py
+++ b/gallery_dl/extractor/tumblr.py
@@ -234,7 +234,7 @@ class TumblrTagExtractor(TumblrExtractor):
 
 
 class TumblrLikesExtractor(TumblrExtractor):
-    """Extractor for images from a tumblr-user by tag"""
+    """Extractor for images from a tumblr-user's liked posts"""
     subcategory = "likes"
     directory_fmt = ["{category}", "{name}", "likes"]
     archive_fmt = "f_{blog[name]}_{id}_{offset}"
diff --git a/test/test_extractor.py b/test/test_extractor.py
index 9c8b9a14..00d6f4ba 100644
--- a/test/test_extractor.py
+++ b/test/test_extractor.py
@@ -133,6 +133,17 @@ class TestExtractor(unittest.TestCase):
                 msg = "'{}' isn't matched by any pattern".format(url)
                 self.fail(msg)
 
+    def test_docstrings(self):
+        """ensure docstring uniqueness"""
+        for extr1 in extractor.extractors():
+            for extr2 in extractor.extractors():
+                if extr1 != extr2 and extr1.__doc__ and extr2.__doc__:
+                    self.assertNotEqual(
+                        extr1.__doc__,
+                        extr2.__doc__,
+                        "{} <-> {}".format(extr1, extr2),
+                    )
+
 
 if __name__ == "__main__":
     unittest.main()