Files
galaxy-integrations-python-api/tests/test_stream_line_reader.py
Romuald Juchnowicz-Bierbasz 4e1ea8056d Add StreamLineReader with unit tests
2019-06-28 14:00:44 +02:00

53 lines
1.3 KiB
Python

from unittest.mock import MagicMock
import pytest
from galaxy.reader import StreamLineReader
from galaxy.unittest.mock import AsyncMock
@pytest.fixture()
def stream_reader():
reader = MagicMock()
reader.read = AsyncMock()
return reader
@pytest.fixture()
def read(stream_reader):
return stream_reader.read
@pytest.fixture()
def reader(stream_reader):
return StreamLineReader(stream_reader)
@pytest.mark.asyncio
async def test_message(reader, read):
read.return_value = b"a\n"
assert await reader.readline() == b"a"
read.assert_called_once()
@pytest.mark.asyncio
async def test_separate_messages(reader, read):
read.side_effect = [b"a\n", b"b\n"]
assert await reader.readline() == b"a"
assert await reader.readline() == b"b"
assert read.call_count == 2
@pytest.mark.asyncio
async def test_connected_messages(reader, read):
read.return_value = b"a\nb\n"
assert await reader.readline() == b"a"
assert await reader.readline() == b"b"
read.assert_called_once()
@pytest.mark.asyncio
async def test_cut_message(reader, read):
read.side_effect = [b"a", b"b\n"]
assert await reader.readline() == b"ab"
assert read.call_count == 2
@pytest.mark.asyncio
async def test_half_message(reader, read):
read.side_effect = [b"a", b""]
assert await reader.readline() == b""
assert read.call_count == 2