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-rw-r--r--Lib/test/test_io.py20
1 files changed, 10 insertions, 10 deletions
diff --git a/Lib/test/test_io.py b/Lib/test/test_io.py
index af7da01..465d45a 100644
--- a/Lib/test/test_io.py
+++ b/Lib/test/test_io.py
@@ -449,7 +449,7 @@ class IOTest(unittest.TestCase):
with self.open(support.TESTFN, "ab") as f:
self.assertEqual(f.tell(), 3)
with self.open(support.TESTFN, "a") as f:
- self.assertTrue(f.tell() > 0)
+ self.assertGreater(f.tell(), 0)
def test_destructor(self):
record = []
@@ -569,7 +569,7 @@ class IOTest(unittest.TestCase):
wr = weakref.ref(f)
del f
support.gc_collect()
- self.assertTrue(wr() is None, wr)
+ self.assertIsNone(wr(), wr)
with self.open(support.TESTFN, "rb") as f:
self.assertEqual(f.read(), b"abcxxx")
@@ -713,7 +713,7 @@ class CIOTest(IOTest):
del MyIO
del obj
support.gc_collect()
- self.assertTrue(wr() is None, wr)
+ self.assertIsNone(wr(), wr)
class PyIOTest(IOTest):
pass
@@ -1240,7 +1240,7 @@ class CBufferedReaderTest(BufferedReaderTest, SizeofTest):
wr = weakref.ref(f)
del f
support.gc_collect()
- self.assertTrue(wr() is None, wr)
+ self.assertIsNone(wr(), wr)
def test_args_error(self):
# Issue #17275
@@ -1543,7 +1543,7 @@ class CBufferedWriterTest(BufferedWriterTest, SizeofTest):
wr = weakref.ref(f)
del f
support.gc_collect()
- self.assertTrue(wr() is None, wr)
+ self.assertIsNone(wr(), wr)
with self.open(support.TESTFN, "rb") as f:
self.assertEqual(f.read(), b"123xxx")
@@ -2275,7 +2275,7 @@ class TextIOWrapperTest(unittest.TestCase):
t = self.TextIOWrapper(b, encoding="utf-8")
self.assertEqual(t.encoding, "utf-8")
t = self.TextIOWrapper(b)
- self.assertTrue(t.encoding is not None)
+ self.assertIsNotNone(t.encoding)
codecs.lookup(t.encoding)
def test_encoding_errors_reading(self):
@@ -3062,7 +3062,7 @@ class CTextIOWrapperTest(TextIOWrapperTest):
wr = weakref.ref(t)
del t
support.gc_collect()
- self.assertTrue(wr() is None, wr)
+ self.assertIsNone(wr(), wr)
with self.open(support.TESTFN, "rb") as f:
self.assertEqual(f.read(), b"456def")
@@ -3210,7 +3210,7 @@ class MiscIOTest(unittest.TestCase):
def test___all__(self):
for name in self.io.__all__:
obj = getattr(self.io, name, None)
- self.assertTrue(obj is not None, name)
+ self.assertIsNotNone(obj, name)
if name == "open":
continue
elif "error" in name.lower() or name == "UnsupportedOperation":
@@ -3302,7 +3302,7 @@ class MiscIOTest(unittest.TestCase):
wr = weakref.ref(c)
del c, b
support.gc_collect()
- self.assertTrue(wr() is None, wr)
+ self.assertIsNone(wr(), wr)
def test_abcs(self):
# Test the visible base classes are ABCs.
@@ -3448,7 +3448,7 @@ class MiscIOTest(unittest.TestCase):
received += iter(rf.read, None)
sent, received = b''.join(sent), b''.join(received)
- self.assertTrue(sent == received)
+ self.assertEqual(sent, received)
self.assertTrue(wf.closed)
self.assertTrue(rf.closed)