diff options
Diffstat (limited to 'Lib/test/test_gzip.py')
| -rw-r--r-- | Lib/test/test_gzip.py | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/Lib/test/test_gzip.py b/Lib/test/test_gzip.py index 5ae7467..d2b4871 100644 --- a/Lib/test/test_gzip.py +++ b/Lib/test/test_gzip.py @@ -64,6 +64,21 @@ class TestGzip(unittest.TestCase): d = f.read() self.assertEqual(d, data1*50) + def test_read1(self): + self.test_write() + blocks = [] + nread = 0 + with gzip.GzipFile(self.filename, 'r') as f: + while True: + d = f.read1() + if not d: + break + blocks.append(d) + nread += len(d) + # Check that position was updated correctly (see issue10791). + self.assertEqual(f.tell(), nread) + self.assertEqual(b''.join(blocks), data1 * 50) + def test_io_on_closed_object(self): # Test that I/O operations on closed GzipFile objects raise a # ValueError, just like the corresponding functions on file objects. @@ -124,7 +139,7 @@ class TestGzip(unittest.TestCase): with io.BufferedReader(f) as r: lines = [line for line in r] - self.assertEqual(lines, 50 * data1.splitlines(True)) + self.assertEqual(lines, 50 * data1.splitlines(keepends=True)) def test_readline(self): self.test_write() @@ -323,6 +338,14 @@ class TestGzip(unittest.TestCase): self.assertEqual(f.read(100), b'') self.assertEqual(nread, len(uncompressed)) + def test_textio_readlines(self): + # Issue #10791: TextIOWrapper.readlines() fails when wrapping GzipFile. + lines = (data1 * 50).decode("ascii").splitlines(keepends=True) + self.test_write() + with gzip.GzipFile(self.filename, 'r') as f: + with io.TextIOWrapper(f, encoding="ascii") as t: + self.assertEqual(t.readlines(), lines) + def test_fileobj_from_fdopen(self): # Issue #13781: Opening a GzipFile for writing fails when using a # fileobj created with os.fdopen(). |