def test_io_api(): """Test that wrapped stdout has the same API as a normal TextIO object""" session = Session() ctx = zmq.Context() pub = ctx.socket(zmq.PUB) thread = IOPubThread(pub) thread.start() stream = OutStream(session, thread, 'stdout') # cleanup unused zmq objects before we start testing thread.stop() thread.close() ctx.term() assert stream.errors is None assert not stream.isatty() with nt.assert_raises(io.UnsupportedOperation): stream.detach() with nt.assert_raises(io.UnsupportedOperation): next(stream) with nt.assert_raises(io.UnsupportedOperation): stream.read() with nt.assert_raises(io.UnsupportedOperation): stream.readline() with nt.assert_raises(io.UnsupportedOperation): stream.seek() with nt.assert_raises(io.UnsupportedOperation): stream.tell()
def test_io_api(): """Test that wrapped stdout has the same API as a normal TextIO object""" session = Session() ctx = zmq.Context() pub = ctx.socket(zmq.PUB) thread = IOPubThread(pub) thread.start() stream = OutStream(session, thread, 'stdout') # cleanup unused zmq objects before we start testing thread.stop() thread.close() ctx.term() assert stream.errors is None assert not stream.isatty() with pytest.raises(io.UnsupportedOperation): stream.detach() with pytest.raises(io.UnsupportedOperation): next(stream) with pytest.raises(io.UnsupportedOperation): stream.read() with pytest.raises(io.UnsupportedOperation): stream.readline() with pytest.raises(io.UnsupportedOperation): stream.seek(0) with pytest.raises(io.UnsupportedOperation): stream.tell() with pytest.raises(TypeError): stream.write(b'')