jenkins-bot has submitted this change. ( 
https://gerrit.wikimedia.org/r/c/pywikibot/core/+/763944 )

Change subject: [tests] Don't use all() and any() within tests
......................................................................

[tests] Don't use all() and any() within tests

Use unittests methods instead to get a better failing message.
Also subTest may be implemented.

Change-Id: If64445826b50000d332e26a4e4e32d1b7cf45b4b
---
M tests/aspects.py
M tests/flow_tests.py
M tests/logentries_tests.py
M tests/namespace_tests.py
M tests/page_tests.py
M tests/pagegenerators_tests.py
M tests/site_tests.py
M tests/user_tests.py
M tests/wikibase_tests.py
M tests/wikistats_tests.py
M tests/xmlreader_tests.py
11 files changed, 148 insertions(+), 136 deletions(-)

Approvals:
  Xqt: Looks good to me, approved
  jenkins-bot: Verified



diff --git a/tests/aspects.py b/tests/aspects.py
index f9d67a4..941136e 100644
--- a/tests/aspects.py
+++ b/tests/aspects.py
@@ -1541,12 +1541,12 @@
         if msg:
             self.assertNotIn(msg, self.deprecation_messages)
         else:
-            self.assertEqual([], self.deprecation_messages)
+            self.assertIsEmpty(self.deprecation_messages)

     def assertDeprecationClass(self, cls):
         """Assert that all deprecation warning are of one class."""
-        self.assertTrue(all(isinstance(item.message, cls)
-                            for item in self.warning_log))
+        for item in self.warning_log:
+            self.assertIsInstance(item.message, cls)

     def assertDeprecationFile(self, filename):
         """Assert that all deprecation warning are of one filename."""
diff --git a/tests/flow_tests.py b/tests/flow_tests.py
index 8083358..21575da 100644
--- a/tests/flow_tests.py
+++ b/tests/flow_tests.py
@@ -235,8 +235,8 @@
         self.assertEqual(topic.root.uuid, 'u5y4l1rzitlplyc5')
         replies = topic.replies()
         self.assertLength(replies, 4)
-        self.assertTrue(all(isinstance(reply, Post)
-                            for reply in replies))
+        for reply in replies:
+            self.assertIsInstance(reply, Post)
         self.assertEqual(replies[1].uuid, 'u5y5lysqcvyne4k1')

     def test_topic_moderation(self):
diff --git a/tests/logentries_tests.py b/tests/logentries_tests.py
index bcacfdb..30717be 100644
--- a/tests/logentries_tests.py
+++ b/tests/logentries_tests.py
@@ -197,7 +197,9 @@
             if logentry.action() == 'block':
                 self.assertIsInstance(logentry.flags(), list)
                 # Check that there are no empty strings
-                self.assertTrue(all(logentry.flags()))
+                for flag in logentry.flags():
+                    self.assertIsInstance(flag, str)
+                    self.assertNotEqual(flag, '')
                 if logentry.expiry() is not None:
                     self.assertIsInstance(logentry.expiry(),
                                           pywikibot.Timestamp)
diff --git a/tests/namespace_tests.py b/tests/namespace_tests.py
index 8a511c0..5549c9e 100644
--- a/tests/namespace_tests.py
+++ b/tests/namespace_tests.py
@@ -68,21 +68,18 @@
         ns = Namespace.builtin_namespaces()

         self.assertIsInstance(ns, dict)
-        self.assertTrue(all(x in ns for x in range(16)))
+        for ns_number in range(16):
+            self.assertIn(ns_number, ns)
+            # Use a namespace object as a dict key
+            self.assertEqual(ns[ns[ns_number]], ns[ns_number])

-        self.assertTrue(all(isinstance(key, int)
-                            for key in ns))
-        self.assertTrue(all(isinstance(val, Iterable)
-                            for val in ns.values()))
-        self.assertTrue(all(isinstance(name, str)
-                            for val in ns.values()
-                            for name in val))
-
-        # test boolean
-        self.assertTrue(all(x for x in ns.values()))
-
-        # Use a namespace object as a dict key
-        self.assertEqual(ns[ns[6]], ns[6])
+        for key, value in ns.items():
+            self.assertIsInstance(key, int)
+            self.assertIsInstance(value, Iterable)
+            self.assertTrue(value)
+            for name in value:
+                self.assertIsInstance(name, str)
+            self.assertEqual(ns[ns[key]], ns[key])

     def testNamespaceConstructor(self):
         """Test Namespace constructor."""
@@ -238,22 +235,19 @@
         """Test converting sequence of Namespace to a set."""
         namespaces = Namespace.builtin_namespaces()

-        self.assertTrue(all(isinstance(x, int) for x in namespaces))
-        self.assertTrue(all(isinstance(x, int) for x in namespaces.keys()))
-        self.assertTrue(all(isinstance(x, Namespace)
-                            for x in namespaces.values()))
+        for key, value in namespaces.items():
+            self.assertIsInstance(key, int)
+            self.assertIsInstance(value, Namespace)

         namespaces_set = set(namespaces)
-
         self.assertLength(namespaces, namespaces_set)
-        self.assertTrue(all(isinstance(x, int) for x in namespaces_set))
+        for key in namespaces_set:
+            self.assertIsInstance(key, int)

     def test_set_minus(self):
         """Test performing set minus operation on set of Namespace objects."""
         namespaces = Namespace.builtin_namespaces()
-
         excluded_namespaces = {-1, -2}
-
         positive_namespaces = set(namespaces) - excluded_namespaces

         self.assertLength(namespaces,
diff --git a/tests/page_tests.py b/tests/page_tests.py
index fa81453..f42f319 100644
--- a/tests/page_tests.py
+++ b/tests/page_tests.py
@@ -648,8 +648,9 @@
         gen = page.globalusage(total=3)
         pages = list(gen)
         self.assertLength(pages, 3)
-        self.assertTrue(any(isinstance(p), pywikibot.Page) for p in pages)
-        self.assertTrue(any(p.site != self.site for p in pages))
+        for p in pages:
+            self.assertIsInstance(p, pywikibot.Page)
+            self.assertNotEqual(p.site, self.site)


 class TestPageRepr(TestPageBaseUnicode):
diff --git a/tests/pagegenerators_tests.py b/tests/pagegenerators_tests.py
index 2455530..cf76c78 100644
--- a/tests/pagegenerators_tests.py
+++ b/tests/pagegenerators_tests.py
@@ -279,12 +279,12 @@
         self.assertPageTitlesEqual(gen, titles=expect, site=self.site)

         gen = PagesFromTitlesGenerator(self.titles, self.site)
-        gen = pagegenerators.EdittimeFilterPageGenerator(
+        opposite_pages = pagegenerators.EdittimeFilterPageGenerator(
             gen, first_edit_start=datetime.datetime(2006, 1, 1))
-        opposite_pages = list(gen)
-        self.assertTrue(all(isinstance(p, pywikibot.Page)
-                            for p in opposite_pages))
-        self.assertTrue(all(p.title not in expect for p in opposite_pages))
+
+        for p in opposite_pages:
+            self.assertIsInstance(p, pywikibot.Page)
+            self.assertNotIn(p.title(), expect)

     def test_last_edit(self):
         """Test last edit."""
@@ -411,8 +411,13 @@
         timestamps = [pywikibot.Timestamp.fromISOformat(item['timestamp'])
                       for item in items]
         self.assertEqual(sorted(timestamps), timestamps)
-        self.assertTrue(all(item['ns'] == 0 for item in items))
-        self.assertLength({item['revid'] for item in items}, self.length)
+
+        itemsset = set()
+        for item in items:
+            self.assertEqual(item['ns'], 0)
+            revid = item['revid']
+            self.assertNotIn(revid, itemsset)
+            itemsset.add(revid)


 class TestTextIOPageGenerator(DefaultSiteTestCase):
@@ -622,12 +627,12 @@
             if not page.isTalkPage():
                 pages.extend([page.toggleTalkPage()])

-        self.assertTrue(all(isinstance(page,
-                                       pywikibot.Page) for page in pages_out))
         self.assertIn(mainpage, pages_out)
         self.assertIn(mainpage.toggleTalkPage(), pages_out)
         self.assertLength(pages_out, 2)
         self.assertTrue(pages_out[1].isTalkPage())
+        for page in pages_out:
+            self.assertIsInstance(page, pywikibot.Page)


 class TestPreloadingEntityGenerator(WikidataTestCase):
@@ -640,8 +645,8 @@
         page = pywikibot.Page(site, 'Property:P31')
         ref_gen = page.getReferences(follow_redirects=False, total=5)
         gen = pagegenerators.PreloadingEntityGenerator(ref_gen)
-        is_all_type = all(isinstance(i, pywikibot.ItemPage) for i in gen)
-        self.assertTrue(is_all_type)
+        for ipage in gen:
+            self.assertIsInstance(ipage, pywikibot.ItemPage)


 class WikibaseItemFilterPageGeneratorTestCase(TestCase):
@@ -1559,8 +1564,8 @@
         self.assertIsNotNone(gen)
         pages = set(gen)
         self.assertIsNotEmpty(pages)
-        self.assertTrue(all(isinstance(item, pywikibot.User)
-                            for item in pages))
+        for item in pages:
+            self.assertIsInstance(item, pywikibot.User)

     def test_logevents_with_start_and_end_timestamp(self):
         """Test -logevents which uses timestamps for start and end."""
@@ -1580,8 +1585,8 @@
         self.assertIsNotNone(gen)
         pages = set(gen)
         self.assertLength(pages, 1)
-        self.assertTrue(all(isinstance(item, pywikibot.User)
-                            for item in pages))
+        for item in pages:
+            self.assertIsInstance(item, pywikibot.User)


 class PageGeneratorIntersectTestCase(GeneratorIntersectTestCase,
diff --git a/tests/site_tests.py b/tests/site_tests.py
index 443b563..6cac649 100644
--- a/tests/site_tests.py
+++ b/tests/site_tests.py
@@ -246,9 +246,8 @@
         with self.subTest(test='months_names'):
             self.assertIsInstance(mysite.months_names, list)
             self.assertLength(mysite.months_names, 12)
-            self.assertTrue(all(isinstance(month, tuple)
-                                for month in mysite.months_names))
             for month in mysite.months_names:
+                self.assertIsInstance(month, tuple)
                 self.assertLength(month, 2)

         with self.subTest(test='list_to_text'):
@@ -601,10 +600,13 @@
         """Test the site.alllinks() method."""
         mysite = self.get_site()
         fwd = list(mysite.alllinks(total=10))
-        self.assertLessEqual(len(fwd), 10)
-        self.assertTrue(all(isinstance(link, pywikibot.Page) for link in fwd))
         uniq = list(mysite.alllinks(total=10, unique=True))
-        self.assertTrue(all(link in uniq for link in fwd))
+
+        self.assertLessEqual(len(fwd), 10)
+
+        for link in fwd:
+            self.assertIsInstance(link, pywikibot.Page)
+            self.assertIn(link, uniq)
         for page in mysite.alllinks(start='Link', total=5):
             self.assertIsInstance(page, pywikibot.Page)
             self.assertEqual(page.namespace(), 0)
@@ -630,8 +632,9 @@
         mysite = self.get_site()
         ac = list(mysite.allcategories(total=10))
         self.assertLessEqual(len(ac), 10)
-        self.assertTrue(all(isinstance(cat, pywikibot.Category)
-                            for cat in ac))
+        for cat in ac:
+            self.assertIsInstance(cat, pywikibot.Category)
+
         for cat in mysite.allcategories(total=5, start='Abc'):
             self.assertIsInstance(cat, pywikibot.Category)
             self.assertGreaterEqual(cat.title(with_ns=False), 'Abc')
@@ -648,8 +651,9 @@
         mysite = self.get_site()
         ai = list(mysite.allimages(total=10))
         self.assertLessEqual(len(ai), 10)
-        self.assertTrue(all(isinstance(image, pywikibot.FilePage)
-                            for image in ai))
+        for image in ai:
+            self.assertIsInstance(image, pywikibot.FilePage)
+
         for impage in mysite.allimages(start='Ba', total=5):
             self.assertIsInstance(impage, pywikibot.FilePage)
             self.assertTrue(impage.exists())
@@ -675,51 +679,50 @@
     def test_querypage(self):
         """Test the site.querypage() method."""
         mysite = self.get_site()
-        pages = list(mysite.querypage('Longpages', total=10))
-
-        self.assertTrue(all(isinstance(p, pywikibot.Page) for p in pages))
+        pages = mysite.querypage('Longpages', total=10)
+        for p in pages:
+            self.assertIsInstance(p, pywikibot.Page)
         with self.assertRaises(AssertionError):
             mysite.querypage('LongpageX')

     def test_longpages(self):
         """Test the site.longpages() method."""
         mysite = self.get_site()
-        longpages = list(mysite.longpages(total=10))
+        longpages = mysite.longpages(total=10)

         # Make sure each object returned by site.longpages() is
         # a tuple of a Page object and an int
-        self.assertTrue(all(isinstance(tup, tuple) and len(tup) == 2
-                            for tup in longpages))
-        self.assertTrue(all(isinstance(tup[0], pywikibot.Page)
-                            for tup in longpages))
-        self.assertTrue(all(isinstance(tup[1], int) for tup in longpages))
+        for tup in longpages:
+            self.assertIsInstance(tup, tuple)
+            self.assertLength(tup, 2)
+            self.assertIsInstance(tup[0], pywikibot.Page)
+            self.assertIsInstance(tup[1], int)

     def test_shortpages(self):
         """Test the site.shortpages() method."""
         mysite = self.get_site()
-        shortpages = list(mysite.shortpages(total=10))
+        shortpages = mysite.shortpages(total=10)

         # Make sure each object returned by site.shortpages() is
         # a tuple of a Page object and an int
-        self.assertTrue(all(isinstance(tup, tuple) and len(tup) == 2
-                            for tup in shortpages))
-        self.assertTrue(all(isinstance(tup[0], pywikibot.Page)
-                            for tup in shortpages))
-        self.assertTrue(all(isinstance(tup[1], int) for tup in shortpages))
+        for tup in shortpages:
+            self.assertIsInstance(tup, tuple)
+            self.assertLength(tup, 2)
+            self.assertIsInstance(tup[0], pywikibot.Page)
+            self.assertIsInstance(tup[1], int)

     def test_ancientpages(self):
         """Test the site.ancientpages() method."""
         mysite = self.get_site()
-        ancientpages = list(mysite.ancientpages(total=10))
+        ancientpages = mysite.ancientpages(total=10)

         # Make sure each object returned by site.ancientpages() is
         # a tuple of a Page object and a Timestamp object
-        self.assertTrue(all(isinstance(tup, tuple) and len(tup) == 2
-                            for tup in ancientpages))
-        self.assertTrue(all(isinstance(tup[0], pywikibot.Page)
-                            for tup in ancientpages))
-        self.assertTrue(all(isinstance(tup[1], pywikibot.Timestamp)
-                            for tup in ancientpages))
+        for tup in ancientpages:
+            self.assertIsInstance(tup, tuple)
+            self.assertLength(tup, 2)
+            self.assertIsInstance(tup[0], pywikibot.Page)
+            self.assertIsInstance(tup[1], pywikibot.Timestamp)

     def test_unwatchedpages(self):
         """Test the site.unwatchedpages() method."""
@@ -736,8 +739,8 @@

         # Make sure each object returned by site.unwatchedpages() is a
         # Page object
-        self.assertTrue(all(isinstance(p, pywikibot.Page)
-                            for p in unwatchedpages))
+        for p in unwatchedpages:
+            self.assertIsInstance(p, pywikibot.Page)

     def test_blocks(self):
         """Test the site.blocks() method."""
@@ -826,8 +829,9 @@
         url = 'www.google.com'
         eu = list(mysite.exturlusage(url, total=10))
         self.assertLessEqual(len(eu), 10)
-        self.assertTrue(all(isinstance(link, pywikibot.Page)
-                            for link in eu))
+        for link in eu:
+            self.assertIsInstance(link, pywikibot.Page)
+
         for link in mysite.exturlusage(url, namespaces=[2, 3], total=5):
             self.assertIsInstance(link, pywikibot.Page)
             self.assertIn(link.namespace(), (2, 3))
@@ -1088,8 +1092,8 @@
         imagepage = self.imagepage
         iu = list(mysite.imageusage(imagepage, total=10))
         self.assertLessEqual(len(iu), 10)
-        self.assertTrue(all(isinstance(link, pywikibot.Page)
-                            for link in iu))
+        for link in iu:
+            self.assertIsInstance(link, pywikibot.Page)

     def test_image_usage_in_namespaces(self):
         """Test the site.imageusage() method with namespaces."""
@@ -1157,8 +1161,8 @@
         mysite = self.get_site()
         le = list(mysite.logevents(total=10))
         self.assertLessEqual(len(le), 10)
-        self.assertTrue(all(isinstance(entry, pywikibot.logentries.LogEntry)
-                            for entry in le))
+        for entry in le:
+            self.assertIsInstance(entry, pywikibot.logentries.LogEntry)

         for logtype in mysite.logtypes:
             with self.subTest(logtype=logtype):
@@ -1251,8 +1255,8 @@
         mysite = self.site
         rc = list(mysite.recentchanges(total=10))
         self.assertLessEqual(len(rc), 10)
-        self.assertTrue(all(isinstance(change, dict)
-                            for change in rc))
+        for change in rc:
+            self.assertIsInstance(change, dict)

     def test_time_range(self):
         """Test the site.recentchanges() method with start/end."""
@@ -1440,9 +1444,9 @@
         try:
             se = list(mysite.search('wiki', total=100, namespaces=0))
             self.assertLessEqual(len(se), 100)
-            self.assertTrue(all(isinstance(hit, pywikibot.Page)
-                                for hit in se))
-            self.assertTrue(all(hit.namespace() == 0 for hit in se))
+            for hit in se:
+                self.assertIsInstance(hit, pywikibot.Page)
+                self.assertEqual(hit.namespace(), 0)
             for hit in mysite.search('common', namespaces=4, total=5):
                 self.assertIsInstance(hit, pywikibot.Page)
                 self.assertEqual(hit.namespace(), 4)
@@ -1462,6 +1466,7 @@
             if e.code == 'gsrsearch-text-disabled':
                 self.skipTest('gsrsearch is diabled on site {}:\n{!r}'
                               .format(mysite, e))
+            raise

     def test_search_where_title(self):
         """Test site.search() method with 'where' parameter set to title."""
@@ -1492,11 +1497,10 @@
         mysite = self.get_site()
         uc = list(mysite.usercontribs(user=mysite.user(), total=10))
         self.assertLessEqual(len(uc), 10)
-        self.assertTrue(all(isinstance(contrib, dict)
-                            for contrib in uc))
-        self.assertTrue(
-            all('user' in contrib and contrib['user'] == mysite.user()
-                for contrib in uc))
+        for contrib in uc:
+            self.assertIsInstance(contrib, dict)
+            self.assertIn('user', contrib)
+            self.assertEqual(contrib['user'], mysite.user())

     def test_namespaces(self):
         """Test the site.usercontribs() method using namespaces."""
@@ -1814,8 +1818,8 @@
         mysite = self.get_site()
         wl = list(mysite.watchlist_revs(total=10))
         self.assertLessEqual(len(wl), 10)
-        self.assertTrue(all(isinstance(rev, dict)
-                            for rev in wl))
+        for rev in wl:
+            self.assertIsInstance(rev, dict)
         for rev in mysite.watchlist_revs(start='2008-10-11T01:02:03Z',
                                          total=5):
             self.assertIsInstance(rev, dict)
@@ -1913,7 +1917,8 @@
             self.skipTest(
                 '{} contains no deleted revisions.'.format(mainpage))
         self.assertLessEqual(len(dr['revisions']), 10)
-        self.assertTrue(all(isinstance(rev, dict) for rev in dr['revisions']))
+        for rev in dr['revisions']:
+            self.assertIsInstance(rev, dict)

         with self.subTest(start='2008-10-11T01:02:03Z', reverse=False):
             for item in mysite.deletedrevs(start='2008-10-11T01:02:03Z',
@@ -2372,9 +2377,9 @@
         mysite = self.get_site()
         rn = list(mysite.randompages(total=10))
         self.assertLessEqual(len(rn), 10)
-        self.assertTrue(all(isinstance(a_page, pywikibot.Page)
-                            for a_page in rn))
-        self.assertFalse(all(a_page.isRedirectPage() for a_page in rn))
+        for a_page in rn:
+            self.assertIsInstance(a_page, pywikibot.Page)
+            self.assertFalse(a_page.isRedirectPage())

     def test_redirects(self):
         """Test site.randompages() with redirects."""
@@ -2515,12 +2520,12 @@
         """Test the site.loadrevisions() method, listing based on revid."""
         # revids as list of int
         self.mysite.loadrevisions(self.mainpage, revids=[139992, 139993])
-        self.assertTrue(all(rev in self.mainpage._revisions
-                            for rev in [139992, 139993]))
+        for rev in [139992, 139993]:
+            self.assertIn(rev, self.mainpage._revisions)
         # revids as list of str
         self.mysite.loadrevisions(self.mainpage, revids=['139994', '139995'])
-        self.assertTrue(all(rev in self.mainpage._revisions
-                            for rev in [139994, 139995]))
+        for rev in [139994, 139995]:
+            self.assertIn(rev, self.mainpage._revisions)
         # revids as int
         self.mysite.loadrevisions(self.mainpage, revids=140000)
         self.assertIn(140000, self.mainpage._revisions)
@@ -2548,7 +2553,8 @@
         self.assertLength(self.mainpage._revisions, 15)
         revs = self.mainpage._revisions
         timestamps = [str(revs[rev].timestamp) for rev in revs]
-        self.assertTrue(all(ts < '2002-01-31T00:00:00Z' for ts in timestamps))
+        for ts in timestamps:
+            self.assertLess(ts, '2002-01-31T00:00:00Z')

         # Retrieve oldest revisions; listing based on timestamp.
         # Raises "loadrevisions: starttime > endtime with rvdir=True"
@@ -2569,7 +2575,8 @@
         self.mysite.loadrevisions(self.mainpage, rvdir=True, total=15)
         self.assertLength(self.mainpage._revisions, 15)
         revs = self.mainpage._revisions
-        self.assertTrue(all(139900 <= rev <= 140100 for rev in revs))
+        for rev in revs:
+            self.assertTrue(139900 <= rev <= 140100)

         # Retrieve oldest revisions; listing based on revid.
         # Raises "loadrevisions: startid > endid with rvdir=True"
@@ -2589,18 +2596,17 @@
         self.mainpage._revisions = {}
         self.mysite.loadrevisions(self.mainpage, rvdir=True,
                                   user='Magnus Manske')
-        revs = self.mainpage._revisions
-        self.assertTrue(all(revs[rev].user == 'Magnus Manske' for rev in revs))
+        for rev in self.mainpage._revisions.values():
+            self.assertEqual(rev.user, 'Magnus Manske')

     def test_loadrevisions_excludeuser(self):
         """Test the site.loadrevisions() method, excluding user."""
-        # Do not list revisions made by this user.
+        excludeuser = 'Magnus Manske'  # exclude revisions made by this user
         self.mainpage._revisions = {}
         self.mysite.loadrevisions(self.mainpage, rvdir=True,
-                                  excludeuser='Magnus Manske')
-        revs = self.mainpage._revisions
-        self.assertFalse(any(revs[rev].user == 'Magnus Manske'
-                             for rev in revs))
+                                  excludeuser=excludeuser)
+        for rev in self.mainpage._revisions.values():
+            self.assertNotEqual(rev.user, excludeuser)

         # TODO test other optional arguments

diff --git a/tests/user_tests.py b/tests/user_tests.py
index 23afe79..aed7a6e 100644
--- a/tests/user_tests.py
+++ b/tests/user_tests.py
@@ -75,11 +75,12 @@
         self.assertTrue(user.is_thankable)
         contribs = user.contributions(total=10)
         self.assertLength(list(contribs), 10)
-        self.assertTrue(all(isinstance(contrib, tuple)
-                            for contrib in contribs))
-        self.assertTrue(all('user' in contrib
-                            and contrib['user'] == user.username
-                            for contrib in contribs))
+
+        for contrib in contribs:
+            self.assertIsInstance(contrib, tuple)
+            self.assertIn('user', contrib)
+            self.assertIsEqual(contrib['user'], user.username)
+
         self.assertIn('user', user.groups())
         self.assertIn('edit', user.rights())
         self.assertFalse(user.is_locked())
@@ -199,8 +200,9 @@
                           .format(mysite.user(), mysite))
         self.assertLessEqual(len(le), 10)
         last = le[0]
-        self.assertTrue(all(event.user() == user.username for event in le))
         self.assertEqual(last, user.last_event)
+        for event in le:
+            self.assertEqual(event.user(), user.username)


 if __name__ == '__main__':  # pragma: no cover
diff --git a/tests/wikibase_tests.py b/tests/wikibase_tests.py
index 29cd12b..4ced0de 100644
--- a/tests/wikibase_tests.py
+++ b/tests/wikibase_tests.py
@@ -1818,7 +1818,8 @@
         page = pywikibot.Page(site, 'Property:P31')
         ref_gen = page.getReferences(follow_redirects=False, total=5)
         gen = pagegenerators.PreloadingEntityGenerator(ref_gen)
-        self.assertTrue(all(isinstance(item, ItemPage) for item in gen))
+        for item in gen:
+            self.assertIsInstance(item, ItemPage)

     def test_foreign_page_item_gen(self):
         """Test PreloadingEntityGenerator with connected pages."""
@@ -1826,7 +1827,8 @@
         page_gen = [pywikibot.Page(site, 'Main Page'),
                     pywikibot.Page(site, 'New York City')]
         gen = pagegenerators.PreloadingEntityGenerator(page_gen)
-        self.assertTrue(all(isinstance(item, ItemPage) for item in gen))
+        for item in gen:
+            self.assertIsInstance(item, ItemPage)

 
 class TestNamespaces(WikidataTestCase):
diff --git a/tests/wikistats_tests.py b/tests/wikistats_tests.py
index 778a80e..3b70de9 100644
--- a/tests/wikistats_tests.py
+++ b/tests/wikistats_tests.py
@@ -33,9 +33,9 @@
                 self.assertIn(key, top)
                 self.assertIn(key, bottom)

-        self.assertTrue(all(isinstance(key, str)
-                            for key in top.keys()
-                            if key is not None))
+        for key in top:
+            self.assertIsInstance(key, (str, type(None)))
+
         self.assertIsInstance(top['good'], str)
         self.assertIsInstance(top['total'], str)
         self.assertIsInstance(bottom['good'], str)
diff --git a/tests/xmlreader_tests.py b/tests/xmlreader_tests.py
index bcb4a32..cf60983 100644
--- a/tests/xmlreader_tests.py
+++ b/tests/xmlreader_tests.py
@@ -89,25 +89,25 @@
         """Test reading the main page/user talk page pair file."""
         entries = get_entries('pair-0.10.xml', allrevisions=True)
         self.assertLength(entries, 4)
-        self.assertTrue(all(entry.username == 'Carlossuarez46'
-                            for entry in entries))
-        self.assertTrue(all(entry.isredirect is False for entry in entries))
+        for entry in entries:
+            self.assertEqual(entry.username, 'Carlossuarez46')
+            self.assertFalse(entry.isredirect)

         articles = entries[0:2]
         talks = entries[2:4]

         self.assertLength(articles, 2)
-        self.assertTrue(all(entry.id == '19252820' for entry in articles))
-        self.assertTrue(all(entry.title == 'Çullu, Agdam'
-                            for entry in articles))
-        self.assertTrue(all('Çullu, Quzanlı' in entry.text
-                            for entry in articles))
-        self.assertEqual(articles[0].text, '#REDIRECT [[Çullu, Quzanlı]]')
+        for entry in articles:
+            self.assertEqual(entry.id, '19252820')
+            self.assertEqual(entry.title, 'Çullu, Agdam')
+            self.assertIn('Çullu, Quzanlı', entry.text)

         self.assertLength(talks, 2)
-        self.assertTrue(all(entry.id == '19252824' for entry in talks))
-        self.assertTrue(all(entry.title == 'Talk:Çullu, Agdam'
-                            for entry in talks))
+        for entry in talks:
+            self.assertEqual(entry.id, '19252824')
+            self.assertEqual(entry.title, 'Talk:Çullu, Agdam')
+
+        self.assertEqual(articles[0].text, '#REDIRECT [[Çullu, Quzanlı]]')
         self.assertEqual(talks[1].text, '{{DisambigProject}}')
         self.assertEqual(talks[1].comment, 'proj')


--
To view, visit https://gerrit.wikimedia.org/r/c/pywikibot/core/+/763944
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Gerrit-Project: pywikibot/core
Gerrit-Branch: master
Gerrit-Change-Id: If64445826b50000d332e26a4e4e32d1b7cf45b4b
Gerrit-Change-Number: 763944
Gerrit-PatchSet: 7
Gerrit-Owner: Xqt <[email protected]>
Gerrit-Reviewer: Xqt <[email protected]>
Gerrit-Reviewer: jenkins-bot
Gerrit-MessageType: merged
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