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|
import logging
import os
import sys
import unittest
from stetl.chain import Chain
from stetl.util import Util
from StringIO import StringIO
logging.basicConfig(stream=sys.stderr, level=logging.DEBUG)
class StetlTestCase(unittest.TestCase):
"""Base class for Stetl test cases"""
def setUp(self):
# Replace logger method
self._old_get_log = Util.get_log
@staticmethod
def get_log_new(name):
log = logging.getLogger(name)
log.setLevel(logging.WARN)
return log
Util.get_log = get_log_new
# Disable info logging
logging.disable(logging.WARN)
# Replace stdout
self._saved_stdout = sys.stdout
sys.stdout = StringIO()
# Replace work dir
self._cwd = os.getcwd()
os.chdir(os.path.join(os.path.dirname(os.path.realpath(__file__)), '..'))
def tearDown(self):
# Restore old enviroment
sys.stdout = self._saved_stdout
logging.disable(logging.NOTSET)
Util.get_log = self._old_get_log
os.chdir(self._cwd)
@classmethod
def get_chain(cls, etl, index=0, assemble=True):
chains_str = etl.configdict.get('etl', 'chains')
chain_strs = chains_str.split(',')
chain = Chain(chain_strs[index].strip(), etl.configdict)
if assemble:
chain.assemble()
return chain
@classmethod
def get_section(cls, chain, index=0):
return chain.chain_str.split('|')[index]
|
