compose/tests/unit/split_buffer_test.py

55 lines
1.4 KiB
Python

from __future__ import absolute_import
from __future__ import unicode_literals
from .. import unittest
from compose.cli.utils import split_buffer
class SplitBufferTest(unittest.TestCase):
def test_single_line_chunks(self):
def reader():
yield b'abc\n'
yield b'def\n'
yield b'ghi\n'
self.assert_produces(reader, ['abc\n', 'def\n', 'ghi\n'])
def test_no_end_separator(self):
def reader():
yield b'abc\n'
yield b'def\n'
yield b'ghi'
self.assert_produces(reader, ['abc\n', 'def\n', 'ghi'])
def test_multiple_line_chunk(self):
def reader():
yield b'abc\ndef\nghi'
self.assert_produces(reader, ['abc\n', 'def\n', 'ghi'])
def test_chunked_line(self):
def reader():
yield b'a'
yield b'b'
yield b'c'
yield b'\n'
yield b'd'
self.assert_produces(reader, ['abc\n', 'd'])
def test_preserves_unicode_sequences_within_lines(self):
string = u"a\u2022c\n"
def reader():
yield string.encode('utf-8')
self.assert_produces(reader, [string])
def assert_produces(self, reader, expectations):
split = split_buffer(reader(), u'\n')
for (actual, expected) in zip(split, expectations):
self.assertEqual(type(actual), type(expected))
self.assertEqual(actual, expected)