Issue #16793. Replace deprecated unittest asserts with modern counterparts.

Lib/ctypes/test/test_bitfields.py

@@ -246,9 +246,9 @@ class BitFieldTest(unittest.TestCase):
             _fields_ = [("a", c_uint32, 32)]
         x = X()
         x.a = 10
-        self.assertEquals(x.a, 10)
+        self.assertEqual(x.a, 10)
         x.a = 0xFDCBA987
-        self.assertEquals(x.a, 0xFDCBA987)
+        self.assertEqual(x.a, 0xFDCBA987)
 
     @unittest.skipUnless(hasattr(ctypes, "c_uint64"), "c_int64 is required")
     def test_uint64(self):
@@ -256,9 +256,9 @@ class BitFieldTest(unittest.TestCase):
             _fields_ = [("a", c_uint64, 64)]
         x = X()
         x.a = 10
-        self.assertEquals(x.a, 10)
+        self.assertEqual(x.a, 10)
         x.a = 0xFEDCBA9876543211
-        self.assertEquals(x.a, 0xFEDCBA9876543211)
+        self.assertEqual(x.a, 0xFEDCBA9876543211)
 
 if __name__ == "__main__":
     unittest.main()

Lib/test/test_calendar.py

@@ -261,7 +261,7 @@ class CalendarTestCase(unittest.TestCase):
             return
         calendar.LocaleHTMLCalendar(locale='').formatmonthname(2010, 10)
         new_october = calendar.TextCalendar().formatmonthname(2010, 10, 10)
-        self.assertEquals(old_october, new_october)
+        self.assertEqual(old_october, new_october)
 
     def test_itermonthdates(self):
         # ensure itermonthdates doesn't overflow after datetime.MAXYEAR

Lib/test/test_int.py

@@ -347,8 +347,8 @@ class IntTestCases(IntLongCommonTests, unittest.TestCase):
         for x in values:
             msg = 'x has value %s and type %s' % (x, type(x).__name__)
             try:
-                self.assertEquals(int(x), 100, msg=msg)
-                self.assertEquals(int(x, 2), 4, msg=msg)
+                self.assertEqual(int(x), 100, msg=msg)
+                self.assertEqual(int(x, 2), 4, msg=msg)
             except TypeError, err:
                 raise AssertionError('For %s got TypeError: %s' %
                                      (type(x).__name__, err))
@@ -373,10 +373,10 @@ class IntTestCases(IntLongCommonTests, unittest.TestCase):
     # expects x to be a string if base is given.
     @test_support.cpython_only
     def test_int_base_without_x_returns_0(self):
-        self.assertEquals(int(base=6), 0)
+        self.assertEqual(int(base=6), 0)
         # Even invalid bases don't raise an exception.
-        self.assertEquals(int(base=1), 0)
-        self.assertEquals(int(base=1000), 0)
+        self.assertEqual(int(base=1), 0)
+        self.assertEqual(int(base=1000), 0)
 
     @test_support.cpython_only
     def test_small_ints(self):

Lib/test/test_mutex.py

@@ -14,7 +14,7 @@ class MutexTest(unittest.TestCase):
             m.lock(called_by_mutex2, "eggs")
 
         def called_by_mutex2(some_data):
-            self.assertEquals(some_data, "eggs")
+            self.assertEqual(some_data, "eggs")
             self.assertTrue(m.test(), "mutex not held")
             self.assertTrue(ready_for_2,
                          "called_by_mutex2 called too soon")

Lib/test/test_tarfile.py

@@ -858,7 +858,7 @@ class WriteTest(WriteTestBase):
 
             tar = tarfile.open(tmpname, "r")
             for t in tar:
-                self.assert_(t.name == "." or t.name.startswith("./"))
+                self.assertTrue(t.name == "." or t.name.startswith("./"))
             tar.close()
         finally:
             os.chdir(cwd)