def test_start(self):
from adlkit.data_provider.tests.mock_config import mock_sample_specification
mock_sample_specification = copy.deepcopy(mock_sample_specification)
max_batches = 100
batch_size = 5
tmp_data_provider = FileDataProvider(mock_sample_specification,
batch_size=batch_size,
read_multiplier=2,
make_one_hot=True,
make_class_index=True,
n_readers=4,
wrap_examples=True,
sleep_duration=sleep_duration)
tmp_data_provider.start(filler_class=H5Filler,
reader_class=H5Reader,
generator_class=BaseGenerator)
# I could make this a function like the above, but it makes sense not to limit
# the full pipeline with max_batches. Tentatively there is no way to pass parameters
# to certain parts of the pipeline. Everyone gets every kwarg, for better or for worse.
generator_id = 0
for _ in range(max_batches):
# TODO better checks
this = tmp_data_provider.generators[generator_id].generate().next()
self.assertEqual(len(this), 4)
def test_filler_to_malloc(self):
from adlkit.data_provider.tests.mock_config import mock_sample_specification, \
mock_expected_malloc_requests
mock_sample_specification = copy.deepcopy(mock_sample_specification)
mock_expected_malloc_requests = copy.deepcopy(
mock_expected_malloc_requests)
batch_size = 100
tmp_data_provider = FileDataProvider(mock_sample_specification,
batch_size=batch_size,
n_readers=4,
sleep_duration=sleep_duration)
tmp_data_provider.start_queues()
tmp_data_provider.start_filler(H5Filler)
tmp_data_provider.process_malloc_requests()
tmp_data_provider.worker_count = worker_id = 1
tmp_data_provider.make_shared_malloc(worker_id)
bucket = 0
data_set = 0
lock = 0
# TODO !!possible off by one error, needs logic check!!
# check to make sure the shared mem was extended
self.assertEqual(len(tmp_data_provider.shared_memory),
tmp_data_provider.worker_count + 1,
"shared memory was not extended correctly ")
# check to make sure all buckets were allocated
self.assertEqual(len(tmp_data_provider.shared_memory[worker_id]), 10,
"shared memory buckets were not allocated correctly")
# Multiple Generator start and end locks
self.assertEqual(
len(tmp_data_provider.shared_memory[worker_id][bucket]), 4,
"shared memory locks were not set correctly")
# check to make sure all data sets were allocated
self.assertEqual(
len(tmp_data_provider.shared_memory[worker_id][bucket][lock + 1]),
len(mock_expected_malloc_requests),
"shared memory data sets were not allocated correctly")
# check to make sure the shape matches out expected value
self.assertEqual(
tmp_data_provider.shared_memory[worker_id][bucket][lock + 1]
[data_set].shape, (100, 5), "shared memory shape doesn't match")
def test_generator_one_hot_and_class_index(self):
from adlkit.data_provider.tests.mock_config import mock_sample_specification, \
mock_batches, mock_expected_malloc_requests, mock_file_index_list, mock_class_index_map
mock_class_index_map = copy.deepcopy(mock_class_index_map)
mock_sample_specification = copy.deepcopy(mock_sample_specification)
mock_batches = copy.deepcopy(mock_batches)
mock_expected_malloc_requests = copy.deepcopy(
mock_expected_malloc_requests)
mock_file_index_list = copy.deepcopy(mock_file_index_list)
batch_size = 500
tmp_data_provider = FileDataProvider(mock_sample_specification,
batch_size=batch_size,
read_multiplier=2,
make_one_hot=True,
make_class_index=True,
sleep_duration=sleep_duration)
tmp_data_provider.start_queues()
max_batches = len(mock_batches)
# inserting mock data, once again
for batch in mock_batches:
# try:
# tmp_data_provider.in_queue.put(batch, timeout=1)
success = tmp_data_provider.comm_driver.write('in',
batch,
block=False)
# except Queue.Full:
if not success:
max_batches -= 1
tmp_data_provider.malloc_requests = mock_expected_malloc_requests
tmp_data_provider.start_reader(FileReader, io_ctlr=IOController())
# lg.debug("I am expecting to write to {0}".format(hex(id(tmp_data_provider.shared_memory[0][0][1][0]))))
this = BaseGenerator(
# out_queue=tmp_data_provider.out_queue,
comm_driver=tmp_data_provider.comm_driver,
batch_size=tmp_data_provider.config.batch_size,
read_size=tmp_data_provider.config.read_size,
max_batches=max_batches,
shared_memory_pointer=tmp_data_provider.shared_memory,
file_index_list=mock_file_index_list,
class_index_map=mock_class_index_map)
count = 0
for tmp in this.generate():
count += 1
self.assertEqual(len(tmp), 4)
self.assertEqual(tmp[0].shape, (batch_size, 5))
self.assertEqual(tmp[1].shape, (batch_size, 5))
self.assertEqual(tmp[2].shape, (batch_size, ))
self.assertEqual(tmp[3].shape, (batch_size, 3))
self.assertEqual(count, max_batches)
def test_watcher_multicast(self):
from adlkit.data_provider.tests.mock_config import mock_read_batches, \
mock_sample_specification, mock_expected_malloc_requests
mock_read_batches = copy.deepcopy(mock_read_batches)
mock_sample_specification = copy.deepcopy(mock_sample_specification)
mock_expected_malloc_requests = copy.deepcopy(
mock_expected_malloc_requests)
batch_size = 100
max_batches = 5
n_generators = 5
n_readers = 5
tmp_data_provider = FileDataProvider(mock_sample_specification,
batch_size=batch_size,
read_multipler=2,
make_one_hot=True,
make_class_index=True,
n_readers=n_readers,
n_generators=n_generators,
n_buckets=2,
sleep_duration=sleep_duration)
tmp_data_provider.start_queues()
tmp_data_provider.malloc_requests = mock_expected_malloc_requests
tmp_data_provider.make_shared_malloc(0)
for batch in mock_read_batches:
try:
tmp_data_provider.out_queue.put(batch, timeout=0)
except Queue.Full:
max_batches -= 1
tmp_watcher = BaseWatcher(
worker_id=0,
shared_memory_pointer=tmp_data_provider.shared_memory,
multicast_queues=tmp_data_provider.multicast_queues,
max_batches=max_batches,
out_queue=tmp_data_provider.out_queue)
tmp_watcher.watch()
gen_counter = [0] * 5
for loop in range(max_batches):
for gen_index in range(len(tmp_data_provider.multicast_queues)):
this = None
try:
this = tmp_data_provider.multicast_queues[gen_index].get()
except Queue.Empty:
pass
finally:
if this is not None:
gen_counter[gen_index] += 1
for gen_count in gen_counter:
self.assertEqual(gen_count, max_batches)
def process_sample_specification(self):
from adlkit.data_provider.tests.mock_config import mock_sample_specification
mock_sample_specification = copy.deepcopy(mock_sample_specification)
tmp_data_provider = FileDataProvider(
mock_sample_specification,
# batch_size=100,
n_readers=4)
self.assertEqual(len(tmp_data_provider.config.data_sets), 2)
self.assertEqual(len(tmp_data_provider.config.classes), 3)
self.assertEqual(len(tmp_data_provider.config.class_index_map), 3)
def test_multiple_generators(self):
from adlkit.data_provider.tests.mock_config import mock_sample_specification
mock_sample_specification = copy.deepcopy(mock_sample_specification)
max_batches = 100
batch_size = 100
n_generators = 5
tmp_data_provider = FileDataProvider(mock_sample_specification,
batch_size=batch_size,
read_multiplier=2,
make_one_hot=True,
make_class_index=True,
n_readers=3,
n_generators=n_generators,
wrap_examples=True,
sleep_duration=sleep_duration)
tmp_data_provider.start(filler_class=H5Filler,
reader_class=H5Reader,
generator_class=BaseGenerator,
watcher_class=BaseWatcher)
# ugly, but mostly necessary
generator_counter = [0] * n_generators
total_count = 0
for loop in range(max_batches):
for gen_index in range(len(tmp_data_provider.generators)):
this = None
this = tmp_data_provider.generators[gen_index].generate().next(
)
self.assertEqual(len(this), 4)
generator_counter[gen_index] += 1
total_count += 1
for generator_count in generator_counter:
self.assertEqual(generator_count, max_batches)
self.assertEqual(total_count, max_batches * n_generators)
def test_start_reader(self):
from adlkit.data_provider.tests.mock_config import mock_sample_specification, \
mock_batches, mock_expected_malloc_requests
mock_sample_specification = copy.deepcopy(mock_sample_specification)
mock_batches = copy.deepcopy(mock_batches)
mock_expected_malloc_requests = copy.deepcopy(
mock_expected_malloc_requests)
tmp_data_provider = FileDataProvider(mock_sample_specification,
batch_size=500,
read_multiplier=2,
make_one_hot=True,
make_class_index=True,
sleep_duration=sleep_duration)
tmp_data_provider.start_queues()
# inserting mock data into the queue
for batch in mock_batches:
try:
tmp_data_provider.in_queue.put(batch, timeout=1)
except Queue.Full:
pass
tmp_data_provider.malloc_requests = mock_expected_malloc_requests
reader_id = tmp_data_provider.start_reader(H5Reader)
# lg.debug("I am expecting to write to {0}".format(hex(id(tmp_data_provider.shared_memory[0][0][1][0]))))
max_batches = 5
out = list()
while True:
if len(out) == max_batches:
break
batch = None
try:
batch = tmp_data_provider.out_queue.get(timeout=1)
except Queue.Empty:
pass
finally:
if batch is not None:
out.append(batch)
for item in out:
tmp_worker_id, tmp_bucket_index, tmp_data_sets, batch_id = item
# Check that each bucket was successfully updated
self.assertEqual(
tmp_data_provider.shared_memory[tmp_worker_id]
[tmp_bucket_index][0].value, 1)
# check for correct reader_id assignment
self.assertEqual(len(tmp_data_provider.readers), reader_id + 1)
# check that mock data successfully was processed
self.assertEquals(
len(out), max_batches,
"test consumed {0} of {1} expected batches from the out_queue".
format(len(out), max_batches))
def test_start_reader(self):
from adlkit.data_provider.tests.mock_config import mock_sample_specification, \
mock_batches, mock_expected_malloc_requests
mock_sample_specification = copy.deepcopy(mock_sample_specification)
mock_batches = copy.deepcopy(mock_batches)
mock_expected_malloc_requests = copy.deepcopy(
mock_expected_malloc_requests)
tmp_data_provider = FileDataProvider(mock_sample_specification,
batch_size=500,
read_multiplier=2,
make_one_hot=True,
make_class_index=True,
sleep_duration=sleep_duration)
tmp_data_provider.start_queues()
# inserting mock data into the queue
for batch in mock_batches:
success = tmp_data_provider.comm_driver.write('in', batch)
self.assertTrue(success)
tmp_data_provider.malloc_requests = mock_expected_malloc_requests
reader_id = tmp_data_provider.start_reader(FileReader,
io_ctlr=IOController())
# lg.debug("I am expecting to write to {0}".format(hex(id(tmp_data_provider.shared_memory[0][0][1][0]))))
max_batches = 5
out = list()
start_time = datetime.datetime.utcnow()
end_time = datetime.timedelta(seconds=100) + start_time
while datetime.datetime.utcnow() < end_time and len(
out) != max_batches:
# try:
batch = tmp_data_provider.comm_driver.read('out', block=False)
# except Queue.Empty:
# pass
# finally:
if batch is not None:
out.append(batch)
for item in out:
# tmp_worker_id, tmp_bucket_index, tmp_data_sets, batch_id = item
tmp_bucket_index, tmp_data_sets, batch_id = item
# Check that each bucket was successfully updated
self.assertEqual(
tmp_data_provider.shared_memory[tmp_bucket_index][0].value, 1)
# check for correct reader_id assignment
self.assertEqual(len(tmp_data_provider.readers), reader_id + 1)
# check that mock data successfully was processed
self.assertEquals(
len(out), max_batches,
"test consumed {0} of {1} expected batches from the out_queue".
format(len(out), max_batches))
def test_generator(self):
from adlkit.data_provider.tests.mock_config import mock_sample_specification, mock_batches, \
mock_expected_malloc_requests, mock_file_index_list, mock_class_index_map
mock_sample_specification = copy.deepcopy(mock_sample_specification)
mock_batches = copy.deepcopy(mock_batches)
mock_expected_malloc_requests = copy.deepcopy(
mock_expected_malloc_requests)
mock_file_index_list = copy.deepcopy(mock_file_index_list)
mock_class_index_map = copy.deepcopy(mock_class_index_map)
tmp_data_provider = FileDataProvider(mock_sample_specification,
batch_size=500,
read_multiplier=2,
n_readers=3,
sleep_duration=sleep_duration)
tmp_data_provider.start_queues()
max_batches = len(mock_batches)
# max_batches = 100
# inserting mock data into the queue (should probably be a function at this point)
for batch in mock_batches:
# try:
# tmp_data_provider.in_queue.put(batch, timeout=1)
success = tmp_data_provider.comm_driver.write('in',
batch,
block=False)
# except Queue.Full:
if not success:
max_batches -= 1
tmp_data_provider.malloc_requests = mock_expected_malloc_requests
tmp_data_provider.start_reader(FileReader, io_ctlr=IOController())
# lg.debug("I am expecting to write to {0}".format(hex(id(tmp_data_provider.shared_memory[0][0][1][0]))))
this = BaseGenerator(
comm_driver=tmp_data_provider.comm_driver,
batch_size=tmp_data_provider.config.batch_size,
read_size=tmp_data_provider.config.read_size,
max_batches=max_batches,
shared_memory_pointer=tmp_data_provider.shared_memory,
file_index_list=mock_file_index_list,
class_index_map=mock_class_index_map)
batch_size = tmp_data_provider.config.batch_size
self.assertGreater(max_batches, 0)
for _ in range(max_batches):
tmp = this.generate().next()
self.assertEqual(len(tmp), 2)
self.assertEqual(tmp[0].shape, (batch_size, 5))
self.assertEqual(tmp[1].shape, (batch_size, 5))
def test_class_index_map(self):
"""
if this fails, it's most likely due to a lack of allowed file descriptors
:return:
"""
from adlkit.data_provider.tests.mock_config import mock_sample_specification
mock_sample_specification = copy.deepcopy(mock_sample_specification)
batch_size = 5
tmp_data_provider = FileDataProvider(mock_sample_specification,
batch_size=batch_size,
read_batches_per_epoch=1000,
read_multiplier=1,
make_one_hot=True,
make_class_index=True,
wrap_examples=True,
n_readers=5,
n_buckets=2,
q_multipler=3,
sleep_duration=sleep_duration,
class_index_map={
'class_1': -3,
'class_2': -2,
'class_10': -1
})
tmp_data_provider.start(filler_class=FileFiller,
reader_class=FileReader,
generator_class=BaseGenerator)
generator_id = 0
for _ in range(100):
# for _ in range(10000000):
tmp = tmp_data_provider.generators[generator_id].generate().next()
# TODO better checks
self.assertEqual(len(tmp), 4)
tmp_data_provider.hard_stop()
# we are checking the that readers are killing themselves
# by checking that the pid no longer exists
# https://stackoverflow.com/questions/568271/how-to-check-if-there-exists-a-process-with-a-given-pid-in-python
for reader_process in tmp_data_provider.readers:
this = None
try:
os.kill(reader_process.pid, 0)
this = True
except OSError:
this = False
finally:
self.assertEqual(this, False)
def test_process_malloc_requests(self):
from adlkit.data_provider.tests.mock_config import mock_sample_specification, \
mock_expected_malloc_requests
mock_sample_specification = copy.deepcopy(mock_sample_specification)
mock_expected_malloc_requests = copy.deepcopy(
mock_expected_malloc_requests)
tmp_data_provider = FileDataProvider(mock_sample_specification,
batch_size=100,
n_readers=4,
sleep_duration=sleep_duration)
tmp_data_provider.start_queues()
tmp_data_provider.start_filler(H5Filler)
tmp_data_provider.process_malloc_requests()
for request, expected_request in zip(tmp_data_provider.malloc_requests,
mock_expected_malloc_requests):
self.assertEqual(request, expected_request)
def test_multiple_generators(self):
from adlkit.data_provider.tests.mock_config import mock_sample_specification
mock_sample_specification = copy.deepcopy(mock_sample_specification)
max_batches = 10
batch_size = 100
n_generators = 5
tmp_data_provider = FileDataProvider(mock_sample_specification,
batch_size=batch_size,
read_multiplier=2,
make_one_hot=True,
make_class_index=True,
n_readers=3,
n_generators=n_generators,
wrap_examples=True,
sleep_duration=sleep_duration)
tmp_data_provider.start(filler_class=FileFiller,
reader_class=FileReader,
generator_class=BaseGenerator,
watcher_class=BaseWatcher)
# ugly, but mostly necessary
generator_counter = [[] for _ in range(n_generators)]
total_count = 0
for loop in range(max_batches):
for gen_index in range(len(tmp_data_provider.generators)):
this = None
this = tmp_data_provider.generators[gen_index].generate().next(
)
self.assertEqual(len(this), 4)
generator_counter[gen_index].append(this)
total_count += 1
for generator_count in generator_counter:
self.assertEqual(len(generator_count), max_batches)
for p_index, payload in enumerate(generator_counter[0]):
for e_index, entry in enumerate(payload):
for generator_output in generator_counter:
self.assertTrue(
np.array_equal(generator_output[p_index][e_index],
entry))
self.assertEqual(total_count, max_batches * n_generators)
tmp_data_provider.hard_stop()
def test_start_filler(self):
from adlkit.data_provider.tests.mock_config import mock_sample_specification
mock_sample_specification = copy.deepcopy(mock_sample_specification)
tmp_data_provider = FileDataProvider(mock_sample_specification,
batch_size=100,
read_multiplier=2,
n_readers=4,
sleep_duration=sleep_duration)
tmp_data_provider.start_queues()
tmp_data_provider.start_filler(FileFiller, io_ctlr=IOController())
max_batches = 10
out = list()
start_time = datetime.datetime.utcnow()
end_time = datetime.timedelta(seconds=10) + start_time
while datetime.datetime.utcnow() < end_time and len(
out) != max_batches:
batch = tmp_data_provider.comm_driver.read('in', block=False)
if batch is not None:
out.append(batch)
count = 0
for item in batch:
count += item[3][1] - item[3][0]
self.assertEquals(
count, tmp_data_provider.config.read_size,
"batch was returned with batch_size {0}, instead of batch_size {1}"
.format(count, tmp_data_provider.config.batch_size))
self.assertEquals(
len(out), max_batches,
"test consumed {0} of {1} expected batches from the in_queue".
format(len(out), max_batches))
tmp_data_provider.hard_stop()
def test_stop_queues(self):
from adlkit.data_provider.tests.mock_config import mock_sample_specification
mock_sample_specification = copy.deepcopy(mock_sample_specification)
tmp_file_data_provider = FileDataProvider(mock_sample_specification)
tmp_file_data_provider.start_queues()
tmp_file_data_provider.stop_queues()
self.assertIsNone(tmp_file_data_provider.in_queue,
"in_queue did not close")
self.assertIsNone(tmp_file_data_provider.out_queue,
"out_queue did not close")
self.assertIsNone(tmp_file_data_provider.malloc_queue,
"malloc_queue did not close")
self.assertEqual(len(tmp_file_data_provider.multicast_queues), 0,
"malloc_queue did not close")
del tmp_file_data_provider
def test_start_filler(self):
from adlkit.data_provider.tests.mock_config import mock_sample_specification
mock_sample_specification = copy.deepcopy(mock_sample_specification)
tmp_data_provider = FileDataProvider(mock_sample_specification,
batch_size=100,
read_multiplier=2,
n_readers=4,
sleep_duration=sleep_duration)
tmp_data_provider.start_queues()
tmp_data_provider.start_filler(H5Filler)
max_batches = 10
out = list()
while True:
if len(out) == max_batches:
break
batch = None
try:
batch = tmp_data_provider.in_queue.get(timeout=1)
except Queue.Empty:
pass
finally:
if batch is not None:
out.append(batch)
count = 0
for item in batch:
count += item[3][1] - item[3][0]
self.assertEquals(
count, tmp_data_provider.config.read_size,
"batch was returned with batch_size {0}, instead of batch_size {1}"
.format(count, tmp_data_provider.config.batch_size))
self.assertEquals(
len(out), max_batches,
"test consumed {0} of {1} expected batches from the in_queue".
format(len(out), max_batches))
def test_make_shared_malloc(self):
from adlkit.data_provider.tests.mock_config import mock_sample_specification, \
mock_expected_malloc_requests
mock_sample_specification = copy.deepcopy(mock_sample_specification)
mock_expected_malloc_requests = copy.deepcopy(
mock_expected_malloc_requests)
batch_size = 100
tmp_data_provider = FileDataProvider(mock_sample_specification,
batch_size=batch_size,
n_readers=4)
tmp_data_provider.malloc_requests = mock_expected_malloc_requests
tmp_data_provider.worker_count = 1
worker_id = 0
tmp_data_provider.make_shared_malloc(worker_id)
bucket = 1
data_set = 0
lock = 0
self.assertEqual(len(tmp_data_provider.shared_memory), 1,
"shared memory was not extended correctly ")
# check to make sure all buckets were allocated
self.assertEqual(len(tmp_data_provider.shared_memory[worker_id]), 10,
"shared memory buckets were not allocated correctly")
# check to make sure the shape matches out expected value
self.assertEqual(
tmp_data_provider.shared_memory[worker_id][bucket][lock + 1]
[data_set].shape, (100, 5), "shared memory shape doesn't match")
def test_end_to_end(self):
from adlkit.data_provider.tests.mock_config import mock_sample_specification
mock_sample_specification = copy.deepcopy(mock_sample_specification)
batch_size = 5
max_batches = 5
tmp_data_provider = FileDataProvider(mock_sample_specification,
batch_size=batch_size,
read_multiplier=2,
make_one_hot=True,
make_class_index=True,
make_file_index=True,
n_readers=4,
sleep_duration=sleep_duration,
max_batches=max_batches)
tmp_data_provider.start_queues()
tmp_data_provider.start_filler(H5Filler)
tmp_data_provider.process_malloc_requests()
tmp_data_provider.start_reader(H5Reader)
# lg.debug("I am expecting to write to {0}".format(hex(id(tmp_data_provider.shared_memory[0][0][1][0]))))
generator_id = tmp_data_provider.start_generator(BaseGenerator)
count = 0
for tmp in tmp_data_provider.generators[generator_id].generate():
count += 1
self.assertEqual(len(tmp), 5)
self.assertEqual(tmp[0].shape, (batch_size, 5))
self.assertEqual(tmp[1].shape, (batch_size, 5))
self.assertEqual(tmp[2].shape, (batch_size, ))
self.assertEqual(tmp[3].shape, (batch_size, 3))
self.assertEqual(len(tmp[4][0]), 2)
self.assertEqual(
count, max_batches,
"we have a leaky generator here {0} != {1}".format(
count, max_batches))
def test_watcher_multicast(self):
from adlkit.data_provider.tests.mock_config import mock_read_batches, \
mock_sample_specification, mock_expected_malloc_requests
mock_read_batches = copy.deepcopy(mock_read_batches)
mock_sample_specification = copy.deepcopy(mock_sample_specification)
mock_expected_malloc_requests = copy.deepcopy(
mock_expected_malloc_requests)
batch_size = 100
max_batches = 5
n_generators = 5
n_readers = 5
tmp_data_provider = FileDataProvider(mock_sample_specification,
batch_size=batch_size,
read_multipler=2,
make_one_hot=True,
make_class_index=True,
n_readers=n_readers,
n_generators=n_generators,
n_buckets=2,
sleep_duration=sleep_duration)
tmp_data_provider.start_queues()
tmp_data_provider.malloc_requests = mock_expected_malloc_requests
tmp_data_provider.make_shared_malloc()
for batch in mock_read_batches:
# try:
# tmp_data_provider.out_queue.put(batch, timeout=0)
success = tmp_data_provider.comm_driver.write('out',
batch,
block=False)
# except Queue.Full:
if not success:
max_batches -= 1
tmp_watcher = BaseWatcher(
worker_id=0,
comm_driver=tmp_data_provider.comm_driver,
proxy_comm_drivers=tmp_data_provider.proxy_comm_drivers,
shared_memory_pointer=tmp_data_provider.shared_memory,
# multicast_queues=tmp_data_provider.multicast_queues,
max_batches=max_batches,
# out_queue=tmp_data_provider.out_queue
)
tmp_watcher.watch()
gen_counter = [0] * 5
for loop in range(max_batches):
for index, comm_driver in enumerate(
tmp_data_provider.proxy_comm_drivers):
# this = None
# try:
# this = tmp_data_provider.multicast_queues[gen_index].get()
this = comm_driver.read('out', block=False)
# except Queue.Empty:
# pass
# finally:
if this is not None:
gen_counter[index] += 1
for gen_count in gen_counter:
self.assertEqual(gen_count, max_batches)
tmp_data_provider.hard_stop()
