import unittest

from reactivex import operators as ops
from reactivex.testing import ReactiveTest, TestScheduler

on_next = ReactiveTest.on_next
on_completed = ReactiveTest.on_completed
on_error = ReactiveTest.on_error
subscribe = ReactiveTest.subscribe
subscribed = ReactiveTest.subscribed
disposed = ReactiveTest.disposed
created = ReactiveTest.created


class TestBufferWithCount(unittest.TestCase):
    def test_buffer_with_time_or_count_basic(self):
        scheduler = TestScheduler()
        xs = scheduler.create_hot_observable(
            on_next(205, 1),
            on_next(210, 2),
            on_next(240, 3),
            on_next(280, 4),
            on_next(320, 5),
            on_next(350, 6),
            on_next(370, 7),
            on_next(420, 8),
            on_next(470, 9),
            on_completed(600),
        )

        def create():
            return xs.pipe(
                ops.buffer_with_time_or_count(70, 3),
                ops.map(lambda x: ",".join([str(a) for a in x])),
            )

        results = scheduler.start(create)

        assert results.messages == [
            on_next(240, "1,2,3"),
            on_next(310, "4"),
            on_next(370, "5,6,7"),
            on_next(440, "8"),
            on_next(510, "9"),
            on_next(580, ""),
            on_next(600, ""),
            on_completed(600),
        ]
        assert xs.subscriptions == [subscribe(200, 600)]

    def test_buffer_with_time_or_count_error(self):
        ex = "ex"
        scheduler = TestScheduler()
        xs = scheduler.create_hot_observable(
            on_next(205, 1),
            on_next(210, 2),
            on_next(240, 3),
            on_next(280, 4),
            on_next(320, 5),
            on_next(350, 6),
            on_next(370, 7),
            on_next(420, 8),
            on_next(470, 9),
            on_error(600, ex),
        )

        def create():
            return xs.pipe(
                ops.buffer_with_time_or_count(70, 3),
                ops.map(lambda x: ",".join([str(a) for a in x])),
            )

        results = scheduler.start(create)
        assert results.messages == [
            on_next(240, "1,2,3"),
            on_next(310, "4"),
            on_next(370, "5,6,7"),
            on_next(440, "8"),
            on_next(510, "9"),
            on_next(580, ""),
            on_error(600, ex),
        ]
        assert xs.subscriptions == [subscribe(200, 600)]

    def test_buffer_with_time_or_count_disposed(self):
        scheduler = TestScheduler()
        xs = scheduler.create_hot_observable(
            on_next(205, 1),
            on_next(210, 2),
            on_next(240, 3),
            on_next(280, 4),
            on_next(320, 5),
            on_next(350, 6),
            on_next(370, 7),
            on_next(420, 8),
            on_next(470, 9),
            on_completed(600),
        )

        def create():
            return xs.pipe(
                ops.buffer_with_time_or_count(70, 3),
                ops.map(lambda x: ",".join([str(a) for a in x])),
            )

        results = scheduler.start(create, disposed=370)
        assert results.messages == [
            on_next(240, "1,2,3"),
            on_next(310, "4"),
            on_next(370, "5,6,7"),
        ]
        assert xs.subscriptions == [subscribe(200, 370)]