def test_read(self):
reader = StreamReader()
reader.feed(b'foo')
self.assertEqual(reader.read(3), b'foo')
reader.feed(b'foo bar')
self.assertEqual(reader.read(3), b'foo')
self.assertEqual(reader.read(4), b' bar')
def test_readline(self):
reader = StreamReader()
reader.feed(b'foo\n')
self.assertEqual(reader.readline(), b'foo\n')
reader.feed(b'bar\nbaz\n')
self.assertEqual(reader.readline(), b'bar\n')
self.assertEqual(reader.readline(), b'baz\n')
def test_read_incr(self):
reader = StreamReader()
buf = b'foobar'
for i in range(len(buf)):
reader.feed(buf[i:i + 1])
reader.feed_eof()
self.assertEqual(reader.read(), b'foobar')
def test_read_eof(self):
reader = StreamReader()
reader.feed(b'foo')
reader.feed_eof()
self.assertEqual(reader.read(), b'foo')
self.assertEqual(reader.read(), b'')
reader.feed_error(RuntimeError)
def test_readline_incr(self):
reader = StreamReader()
buf = b'foo\nbar\n'
for i in range(len(buf)):
reader.feed(buf[i:i + 1])
self.assertEqual(reader.readline(), b'foo\n')
self.assertEqual(reader.readline(), b'bar\n')
def test_iter_eof(self):
reader = StreamReader()
reader.feed(b'foo\nbar\n')
reader.feed_eof()
it = iter(reader)
self.assertEqual(six.next(it), b'foo\n')
self.assertEqual(six.next(it), b'bar\n')
self.assertRaises(StopIteration, six.next, it)
def test_partial_decode_at_eof(self):
reader = StreamReader()
wrapped = TextIOWrapper(reader, 'utf-8')
# \u20ac is the euro sign in case you wondered..
buf = u'20 \u20ac'.encode('utf-8')
reader.feed(buf[:-1])
reader.feed_eof()
self.assertRaises(UnicodeDecodeError, wrapped.read, 4)
def test_iter_error(self):
reader = StreamReader()
reader.feed(b'foo\nbar\n')
reader.feed_error(RuntimeError)
it = iter(reader)
self.assertEqual(six.next(it), b'foo\n')
self.assertEqual(six.next(it), b'bar\n')
self.assertRaises(RuntimeError, six.next, it)
def test_partial_decode_wait(self):
reader = StreamReader()
wrapped = TextIOWrapper(reader, 'utf-8')
buf = u'20 \u20ac'.encode('utf-8')
reader.feed(buf[:-1])
def write_last():
gruvi.sleep(0.01)
reader.feed(buf[-1:])
gruvi.spawn(write_last)
self.assertEqual(wrapped.read(4), u'20 \u20ac')
def test_readlines_wait_eof(self):
reader = StreamReader()
reader.feed(b'foo\n')
def write_more():
gruvi.sleep(0.01)
reader.feed(b'bar\n')
gruvi.sleep(0.01)
reader.feed_eof()
gruvi.spawn(write_more)
self.assertEqual(reader.readlines(), [b'foo\n', b'bar\n'])
self.assertEqual(reader.readlines(), [])
def test_read_wait_error(self):
reader = StreamReader()
reader.feed(b'foo')
def write_more():
gruvi.sleep(0.01)
reader.feed(b'bar')
gruvi.sleep(0.01)
reader.feed_error(RuntimeError)
gruvi.spawn(write_more)
self.assertEqual(reader.read(), b'foobar')
self.assertRaises(RuntimeError, reader.read)
def test_read_wait(self):
reader = StreamReader()
reader.feed(b'foo')
def write_more():
gruvi.sleep(0.01)
reader.feed(b'bar')
gruvi.sleep(0.01)
reader.feed_eof()
gruvi.spawn(write_more)
self.assertEqual(reader.read(), b'foobar')
self.assertEqual(reader.read(), b'')
def test_iter_wait_error(self):
reader = StreamReader()
reader.feed(b'foo\n')
def write_more():
gruvi.sleep(0.01)
reader.feed(b'bar\n')
gruvi.sleep(0.01)
reader.feed_error(RuntimeError)
gruvi.spawn(write_more)
it = iter(reader)
self.assertEqual(six.next(it), b'foo\n')
self.assertEqual(six.next(it), b'bar\n')
self.assertRaises(RuntimeError, six.next, it)
def test_iter_wait_eof(self):
reader = StreamReader()
reader.feed(b'foo\n')
def write_more():
gruvi.sleep(0.01)
reader.feed(b'bar\n')
gruvi.sleep(0.01)
reader.feed_eof()
gruvi.spawn(write_more)
it = iter(reader)
self.assertEqual(six.next(it), b'foo\n')
self.assertEqual(six.next(it), b'bar\n')
self.assertRaises(StopIteration, six.next, it)
def test_readline_limit(self):
reader = StreamReader()
reader.feed(b'foobar\n')
self.assertEqual(reader.readline(3), b'foo')
self.assertEqual(reader.readline(), b'bar\n')
def test_readline_error(self):
reader = StreamReader()
reader.feed(b'foo')
reader.feed_error(RuntimeError)
self.assertEqual(reader.readline(), b'foo')
self.assertRaises(RuntimeError, reader.readline)
def test_readlines_limit(self):
reader = StreamReader()
reader.feed(b'foo\nbar\n')
self.assertEqual(reader.readlines(4), [b'foo\n', b'bar\n'])
def test_readlines_eof(self):
reader = StreamReader()
reader.feed(b'foo\nbar\n')
reader.feed_eof()
self.assertEqual(reader.readlines(), [b'foo\n', b'bar\n'])
self.assertEqual(reader.readlines(), [])
def test_readlines_error(self):
reader = StreamReader()
reader.feed(b'foo\nbar\n')
reader.feed_error(RuntimeError)
self.assertEqual(reader.readlines(), [b'foo\n', b'bar\n'])
self.assertRaises(RuntimeError, reader.readlines)
def test_read_eof(self):
reader = StreamReader()
wrapped = TextIOWrapper(reader, 'utf-8')
reader.feed(b'foo')
reader.feed_eof()
self.assertEqual(wrapped.read(), 'foo')
def test_simple(self):
reader = StreamReader()
wrapped = TextIOWrapper(reader, 'utf-8')
reader.feed(b'foo')
self.assertEqual(wrapped.read(3), 'foo')
def test_readline_eof(self):
reader = StreamReader()
reader.feed(b'foo')
reader.feed_eof()
self.assertEqual(reader.readline(), b'foo')
self.assertEqual(reader.readline(), b'')