test: fix wrong assertEquals calls

tests/test_common.py

@@ -134,7 +134,7 @@ class TestCommon(unittest.TestCase):
             # The chunk metadata is always 16 bytes long
             chunk_metadata = real_data.read(16)
             header, relative_offset, data_length = struct.unpack("IIQ", chunk_metadata)
-            self.assertEquals(header, 0xabeceda)
+            self.assertEqual(header, 0xabeceda)
 
             # We start at the location of the chunk metadata, skip over the metadata, and then proceed to the
             # start of the actual data field, which is at some arbitrary place after the metadata.
@@ -152,4 +152,4 @@ class TestCommon(unittest.TestCase):
             with self.assertRaises(ValueError) as context:
                 read_chunk(fh, chunk_location + 1)
 
-            self.assertEquals(str(context.exception), "The ND2 file seems to be corrupted.")
+            self.assertEqual(str(context.exception), "The ND2 file seems to be corrupted.")

tests/test_legacy.py

@@ -15,7 +15,7 @@ class TestLegacy(unittest.TestCase):
                 with Nd2('test_data/legacy.nd2') as reader:
                     self.assertIsInstance(reader.reader, ND2Reader)
                 self.assertTrue(issubclass(w[0].category, DeprecationWarning))
-                self.assertEquals(str(w[0].message), "The 'Nd2' class is deprecated, please consider using the new" +
+                self.assertEqual(str(w[0].message), "The 'Nd2' class is deprecated, please consider using the new" +
                                   " ND2Reader interface which uses pims.")
 
     def test_misc(self):
@@ -30,9 +30,9 @@ class TestLegacy(unittest.TestCase):
                                             "Fields of View: %s" % len(reader.fields_of_view),
                                             "Z-Levels: %s" % len(reader.z_levels)
                                             ])
-                self.assertEquals(representation, str(reader))
+                self.assertEqual(representation, str(reader))
 
                 # not implemented yet
-                self.assertEquals(reader.pixel_microns, None)
+                self.assertEqual(reader.pixel_microns, None)
 
-                self.assertEquals(len(reader), 1)
+                self.assertEqual(len(reader), 1)

tests/test_raw_metadata.py

@@ -77,4 +77,4 @@ class TestRawMetadata(unittest.TestCase):
     def test_color_channels(self):
         parsed_channels = self.metadata.get_parsed_metadata()['channels']
 
-        self.assertEquals(parsed_channels, ['TRITC'])
+        self.assertEqual(parsed_channels, ['TRITC'])

tests/test_reader.py

@@ -54,7 +54,7 @@ class TestReader(unittest.TestCase):
         with ArtificialND2('test_data/test_nd2_reader.nd2') as _:
             with ND2Reader('test_data/test_nd2_reader.nd2') as reader:
                 timesteps = reader.timesteps
-                self.assertEquals(len(timesteps), 0)
+                self.assertEqual(len(timesteps), 0)
 
     def test_get_frame_zero(self):
         # Best test we can do for now: