diff options
| -rw-r--r-- | Lib/asyncio/streams.py | 4 | ||||
| -rw-r--r-- | Lib/test/test_asyncio/test_streams.py | 15 |
2 files changed, 19 insertions, 0 deletions
diff --git a/Lib/asyncio/streams.py b/Lib/asyncio/streams.py index 3da1d10..8fc2147 100644 --- a/Lib/asyncio/streams.py +++ b/Lib/asyncio/streams.py @@ -293,6 +293,10 @@ class StreamReader: if not waiter.cancelled(): waiter.set_result(True) + def at_eof(self): + """Return True if the buffer is empty and 'feed_eof' was called.""" + return self._eof and not self._buffer + def feed_data(self, data): assert not self._eof, 'feed_data after feed_eof' diff --git a/Lib/test/test_asyncio/test_streams.py b/Lib/test/test_asyncio/test_streams.py index 83474a8..ee3fb45 100644 --- a/Lib/test/test_asyncio/test_streams.py +++ b/Lib/test/test_asyncio/test_streams.py @@ -204,6 +204,21 @@ class StreamReaderTests(unittest.TestCase): # expected to be empty now. self.assertEqual(b'', stream._buffer) + def test_at_eof(self): + stream = asyncio.StreamReader(loop=self.loop) + self.assertFalse(stream.at_eof()) + + stream.feed_data(b'some data\n') + self.assertFalse(stream.at_eof()) + + self.loop.run_until_complete(stream.readline()) + self.assertFalse(stream.at_eof()) + + stream.feed_data(b'some data\n') + stream.feed_eof() + self.loop.run_until_complete(stream.readline()) + self.assertTrue(stream.at_eof()) + def test_readline_limit(self): # Read one line. StreamReaders are fed with data after # their 'readline' methods are called. |