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import os
from stetl.etl import ETL
from stetl.filters.packetwriter import PacketWriter
from tests.stetl_test_case import StetlTestCase
class PacketWriterTest(StetlTestCase):
"""Unit tests for PacketWriter"""
def setUp(self):
super(PacketWriterTest, self).setUp()
# Initialize Stetl
curr_dir = os.path.dirname(os.path.realpath(__file__))
cfg_dict = {'config_file': os.path.join(curr_dir, 'configs/packetwriter.cfg')}
self.etl = ETL(cfg_dict)
def test_class(self):
chain = StetlTestCase.get_chain(self.etl)
section = StetlTestCase.get_section(chain, 1)
class_name = self.etl.configdict.get(section, 'class')
self.assertEqual('filters.packetwriter.PacketWriter', class_name)
def test_instance(self):
chain = StetlTestCase.get_chain(self.etl)
self.assertTrue(isinstance(chain.get_by_index(1), PacketWriter))
def test_execute(self):
chain = StetlTestCase.get_chain(self.etl)
chain.run()
# Check if temp file exists
section = StetlTestCase.get_section(chain, 1)
file_path = self.etl.configdict.get(section, 'file_path')
self.assertTrue(os.path.exists(file_path))
# Compare temp file to input file byte by byte
section = StetlTestCase.get_section(chain)
orig_file_path = self.etl.configdict.get(section, 'file_path')
with open(file_path, 'rb') as f:
file = f.read()
with open(orig_file_path, 'rb') as f:
orig_file = f.read()
self.assertEqual(file, orig_file)
# Remove temp file
os.remove(file_path)
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