File: test_line.py

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circuits 3.2.3-3
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#!/usr/bin/env python
from collections import defaultdict

from circuits import Component, Event
from circuits.protocols import Line


class read(Event):
    """read Event"""


class App(Component):
    lines = []

    def line(self, line):
        self.lines.append(line)


class AppServer(Component):
    channel = 'server'

    lines = []

    def line(self, sock, line):
        self.lines.append((sock, line))


def test():
    app = App()
    Line().register(app)

    while len(app):
        app.flush()

    app.fire(read(b'1\n2\r\n3\n4'))

    while len(app):
        app.flush()

    assert app.lines[0] == b'1'
    assert app.lines[1] == b'2'
    assert app.lines[2] == b'3'


def test_server():
    app = AppServer()
    buffers = defaultdict(bytes)
    Line(
        getBuffer=buffers.__getitem__,
        updateBuffer=buffers.__setitem__,
    ).register(app)

    while len(app):
        app.flush()

    app.fire(read(1, b'1\n2\r\n3\n4'))
    app.fire(read(2, b'1\n2\r\n3\n4'))

    while len(app):
        app.flush()

    assert app.lines[0] == (1, b'1')
    assert app.lines[1] == (1, b'2')
    assert app.lines[2] == (1, b'3')

    assert app.lines[3] == (2, b'1')
    assert app.lines[4] == (2, b'2')
    assert app.lines[5] == (2, b'3')