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import os
import sys
from stetl.etl import ETL
from stetl.packet import Packet
from stetl.inputs.fileinput import LineStreamerFileInput
from tests.stetl_test_case import StetlTestCase
class LineStreamerFileInputTest(StetlTestCase):
"""Unit tests for LineStreamerFileInput"""
pass
def setUp(self):
super(LineStreamerFileInputTest, self).setUp()
# Initialize Stetl
curr_dir = os.path.dirname(os.path.realpath(__file__))
cfg_dict = {'config_file': os.path.join(curr_dir, 'configs/linestreamerfileinput.cfg')}
self.etl = ETL(cfg_dict)
def test_class(self):
chain = StetlTestCase.get_chain(self.etl)
section = StetlTestCase.get_section(chain)
class_name = self.etl.configdict.get(section, 'class')
self.assertEqual('inputs.fileinput.LineStreamerFileInput', class_name)
def test_instance(self):
chain = StetlTestCase.get_chain(self.etl)
self.assertTrue(isinstance(chain.first_comp, LineStreamerFileInput))
def test_execute(self):
chain = StetlTestCase.get_chain(self.etl)
chain.run()
result = sys.stdout.getvalue().split('\n')
# The total number of lines written to stdout is twice the number of lines in the text file,
# because the print statement is used. This causes an extra linebreak to written. The number
# to assert, is even one higher, because of the split statement above. The last "line" is an
# empty string.
self.assertEqual(len(result), 37)
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