import os
from nose.tools import eq_
from bootstrapvz.common.tools import log_call

subprocess_path = os.path.join(os.path.dirname(os.path.realpath(__file__)), 'subprocess.sh')


def setup_logger():
	import logging
	root = logging.getLogger()
	root.setLevel(logging.NOTSET)

	import StringIO
	output = StringIO.StringIO()
	string_handler = logging.StreamHandler(output)
	string_handler.setLevel(logging.DEBUG)
	root.addHandler(string_handler)
	return output


def test_log_call():
	logged = setup_logger()
	fixture = """
2 0.1 one\\\\n
1 0.2 two\\\\n
1 0.5 four
2 0.6 \\\\rNo, three..
1 0.8 \\\\rthree
"""
	status, stdout, stderr = log_call([subprocess_path], stdin=fixture)
	eq_(status, 0)
	eq_(stderr, ['one', 'No, three..'])
	eq_(stdout, ['two', 'four\rthree'])
	expected_order = ['one',
	                  'two',
	                  'four\rthree',
	                  'No, three..',
	                  ]
	eq_(logged.getvalue().split("\n")[8:-1], expected_order)