def test_set_state(self):
new_state = {StateKey.POSITION: 262}
self.stream_handle = StringIO(WfpParserUnitTestCase.TEST_DATA)
self.parser = WfpParser(self.config, self.position, self.stream_handle,
self.pos_callback, self.pub_callback)
result = self.parser.get_records(1)
self.assert_result(result, 213, self.particle_a)
result = self.parser.get_records(1)
self.assert_result(result, 262, self.particle_b)
result = self.parser.get_records(1)
self.assert_result(result, 311, self.particle_c)
result = self.parser.get_records(1)
self.assert_result(result, 360, self.particle_d)
self.parser.set_state(new_state)
#
# Oddly the position is off by 1 after repositioning.
# puzzling, but seems harmless.
#
result = self.parser.get_records(1)
self.assert_result(result, 312, self.particle_c)
result = self.parser.get_records(1)
self.assert_result(result, 362, self.particle_d)
def test_happy_path(self):
"""
Test the happy path of operations where the parser takes the input
and spits out a valid data particle given the stream.
"""
self.stream_handle = StringIO(WfpParserUnitTestCase.TEST_DATA)
self.parser = WfpParser(
self.config, self.position, self.stream_handle, self.pos_callback,
self.pub_callback) # last one is the link to the data source
result = self.parser.get_records(1)
self.assert_result(result, 213, self.particle_a)
result = self.parser.get_records(1)
self.assert_result(result, 262, self.particle_b)
result = self.parser.get_records(1)
self.assert_result(result, 311, self.particle_c)
result = self.parser.get_records(1)
self.assert_result(result, 360, self.particle_d)
# no data left, dont move the position
result = self.parser.get_records(1)
self.assertEqual(result, [])
self.assertEqual(self.parser._state[StateKey.POSITION], 360)
self.assertEqual(self.position_callback_value[StateKey.POSITION], 360)
self.assert_(isinstance(self.publish_callback_value, list))
self.assertEqual(self.publish_callback_value[0], self.particle_d)
def test_bad_data(self):
""" There's a bad sample in the data! Ack! Skip it! """
self.stream_handle = StringIO(WfpParserUnitTestCase.BAD_TEST_DATA)
self.parser = WfpParser(self.config, self.position, self.stream_handle,
self.pos_callback, self.pub_callback)
result = self.parser.get_records(1)
log.error("RESULT = " + str(result))
self.assert_result(result, 243, self.particle_b)
def test_long_stream(self):
self.stream_handle = StringIO(WfpParserUnitTestCase.LONG_DATA)
self.parser = WfpParser(self.config, self.position, self.stream_handle,
self.pos_callback, self.pub_callback)
result = self.parser.get_records(44)
self.assertEqual(result[-1], self.particle_z)
self.assertEqual(self.parser._state[StateKey.POSITION], 703)
self.assertEqual(self.position_callback_value[StateKey.POSITION], 703)
self.assertEqual(self.publish_callback_value[-1], self.particle_z)
def test_mid_state_start(self):
new_state = {StateKey.POSITION: 313}
self.stream_handle = StringIO(WfpParserUnitTestCase.TEST_DATA)
self.parser = WfpParser(self.config, new_state, self.stream_handle,
self.pos_callback, self.pub_callback)
#
# Oddly the position is off by 1 after repositioning.
# puzzling, but seems harmless.
#
result = self.parser.get_records(1)
self.assert_result(result, 362, self.particle_d)
def test_get_many(self):
self.stream_handle = StringIO(WfpParserUnitTestCase.TEST_DATA)
self.parser = WfpParser(self.config, self.position, self.stream_handle,
self.pos_callback, self.pub_callback)
result = self.parser.get_records(2)
self.assertEqual(result, [self.particle_a, self.particle_b])
self.assertEqual(self.parser._state[StateKey.POSITION], 262)
self.assertEqual(self.position_callback_value[StateKey.POSITION], 262)
self.assertEqual(self.publish_callback_value[0], self.particle_a)
self.assertEqual(self.publish_callback_value[1], self.particle_b)
