allow for simplified test data structures

Instead of a strict list of (URL, RESULTS)-tuples, extractor result
tests can now be a single (URL, RESULTS)-tuple, if it's just one test,
and "only matching" tests can now be a simple string.

CHANGELOG.md

@@ -1,5 +1,7 @@
 # Changelog
 
+## Unreleased
+
 ## 1.7.0 - 2019-02-05
 - Added support for:
   - `photobucket` - http://photobucket.com/ ([#117](https://github.com/mikf/gallery-dl/issues/117))

gallery_dl/__init__.py

@@ -255,8 +255,9 @@ def main():
                 print(extr.__doc__)
                 print("Category:", extr.category,
                       "- Subcategory:", extr.subcategory)
-                if hasattr(extr, "test") and extr.test:
+                test = next(extr._get_tests(), None)
-                    print("Example :", extr.test[0][0])
+                if test:
+                    print("Example :", test[0])
                 print()
         else:
             if not args.urls and not args.inputfile:

gallery_dl/extractor/common.py

@@ -174,6 +174,21 @@ class Extractor():
             for cookie in cookies:
                 setcookie(cookie)
 
+    @classmethod
+    def _get_tests(cls):
+        """Yield an extractor's test cases as (URL, RESULTS) tuples"""
+        if not hasattr(cls, "test") or not cls.test:
+            return
+
+        tests = cls.test
+        if len(tests) == 2 and (not tests[1] or isinstance(tests[1], dict)):
+            tests = (tests,)
+
+        for test in tests:
+            if isinstance(test, str):
+                test = (test, None)
+            yield test
+
 
 class ChapterExtractor(Extractor):
 

gallery_dl/extractor/test.py

@@ -33,6 +33,7 @@ class TestExtractor(Extractor):
     """
     category = "test"
     pattern = [r"t(?:est)?:([^:]*)(?::([^:]*)(?::(\*|[\d,]*))?)?$"]
+    test = ("test:pixiv", "test:pixiv:user,favorite:0", "test:")
 
     def __init__(self, match):
         Extractor.__init__(self)
@@ -59,8 +60,7 @@ class TestExtractor(Extractor):
         tests = [
             test
             for extr in extractors
-            if hasattr(extr, "test")
+            for index, test in enumerate(extr._get_tests())
-            for index, test in enumerate(extr.test)
             if str(index) in self.indices
         ]
 

gallery_dl/version.py

@@ -6,4 +6,4 @@
 # it under the terms of the GNU General Public License version 2 as
 # published by the Free Software Foundation.
 
-__version__ = "1.7.0"
+__version__ = "1.7.1-dev"

test/test_extractor.py

@@ -11,7 +11,7 @@ import sys
 import unittest
 import string
 
-import gallery_dl.extractor as extractor
+from gallery_dl import extractor
 from gallery_dl.extractor.common import Extractor, Message
 from gallery_dl.extractor.directlink import DirectlinkExtractor as DLExtractor
 
@@ -101,9 +101,7 @@ class TestExtractor(unittest.TestCase):
 
         # collect testcase URLs
         for extr in extractor.extractors():
-            if not hasattr(extr, "test"):
+            for testcase in extr._get_tests():
-                continue
-            for testcase in extr.test:
                 test_urls.append((testcase[0], extr))
 
         # iterate over all testcase URLs

test/test_results.py

@@ -182,10 +182,8 @@ def generate_tests():
 
     # add 'test_...' methods
     for extr in extractors:
-        if not hasattr(extr, "test") or not extr.test:
-            continue
         name = "test_" + extr.__name__ + "_"
-        for num, tcase in enumerate(extr.test, 1):
+        for num, tcase in enumerate(extr._get_tests(), 1):
             test = _generate_test(extr, tcase)
             test.__name__ = name + str(num)
             setattr(TestExtractorResults, test.__name__, test)