compose/tests/unit/log_printer_test.py

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from __future__ import unicode_literals
from __future__ import absolute_import
import os
from fig.cli.log_printer import LogPrinter
from .. import unittest
class LogPrinterTest(unittest.TestCase):
def test_single_container(self):
def reader(*args, **kwargs):
yield "hello\nworld"
container = MockContainer(reader)
output = run_log_printer([container])
self.assertIn('hello', output)
self.assertIn('world', output)
def test_unicode(self):
glyph = u'\u2022'.encode('utf-8')
def reader(*args, **kwargs):
yield glyph + b'\n'
container = MockContainer(reader)
output = run_log_printer([container])
self.assertIn(glyph, output)
def run_log_printer(containers):
r, w = os.pipe()
reader, writer = os.fdopen(r, 'r'), os.fdopen(w, 'w')
printer = LogPrinter(containers, output=writer)
printer.run()
writer.close()
return reader.read()
class MockContainer(object):
def __init__(self, reader):
self._reader = reader
@property
def name(self):
return 'myapp_web_1'
@property
def name_without_project(self):
return 'web_1'
def attach(self, *args, **kwargs):
return self._reader()
def wait(self, *args, **kwargs):
return 0