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# Copyright 2015 Google Inc. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# ==============================================================================
"""Tests for event_file_loader."""
from __future__ import absolute_import
from __future__ import division
from __future__ import print_function
import os
from tensorflow.python.framework import test_util
from tensorflow.python.platform import googletest
from tensorflow.python.summary.impl import event_file_loader
class EventFileLoaderTest(test_util.TensorFlowTestCase):
# A record containing a simple event.
RECORD = ('\x18\x00\x00\x00\x00\x00\x00\x00\xa3\x7fK"\t\x00\x00\xc0%\xddu'
'\xd5A\x1a\rbrain.Event:1\xec\xf32\x8d')
def _WriteToFile(self, filename, data):
path = os.path.join(self.get_temp_dir(), filename)
with open(path, 'ab') as f:
f.write(data)
def _LoaderForTestFile(self, filename):
return event_file_loader.EventFileLoader(
os.path.join(self.get_temp_dir(), filename))
def testEmptyEventFile(self):
self._WriteToFile('empty_event_file', '')
loader = self._LoaderForTestFile('empty_event_file')
self.assertEquals(len(list(loader.Load())), 0)
def testSingleWrite(self):
self._WriteToFile('single_event_file', EventFileLoaderTest.RECORD)
loader = self._LoaderForTestFile('single_event_file')
events = list(loader.Load())
self.assertEquals(len(events), 1)
self.assertEquals(events[0].wall_time, 1440183447.0)
self.assertEquals(len(list(loader.Load())), 0)
def testMultipleWrites(self):
self._WriteToFile('staggered_event_file', EventFileLoaderTest.RECORD)
loader = self._LoaderForTestFile('staggered_event_file')
self.assertEquals(len(list(loader.Load())), 1)
self._WriteToFile('staggered_event_file', EventFileLoaderTest.RECORD)
self.assertEquals(len(list(loader.Load())), 1)
def testMultipleLoads(self):
self._WriteToFile('multiple_loads_event_file', EventFileLoaderTest.RECORD)
loader = self._LoaderForTestFile('multiple_loads_event_file')
loader.Load()
loader.Load()
self.assertEquals(len(list(loader.Load())), 1)
def testMultipleWritesAtOnce(self):
self._WriteToFile('multiple_event_file', EventFileLoaderTest.RECORD)
self._WriteToFile('multiple_event_file', EventFileLoaderTest.RECORD)
loader = self._LoaderForTestFile('staggered_event_file')
self.assertEquals(len(list(loader.Load())), 2)
if __name__ == '__main__':
googletest.main()
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