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# Copyright 2015 The TensorFlow Authors. 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 training_coordinator.py."""
from __future__ import absolute_import
from __future__ import division
from __future__ import print_function
import glob
import os.path
import shutil
import time
from tensorflow.core.framework import graph_pb2
from tensorflow.core.framework import summary_pb2
from tensorflow.core.protobuf import config_pb2
from tensorflow.core.protobuf import meta_graph_pb2
from tensorflow.core.util import event_pb2
from tensorflow.core.util.event_pb2 import SessionLog
from tensorflow.python.framework import constant_op
from tensorflow.python.framework import dtypes
from tensorflow.python.framework import meta_graph
from tensorflow.python.framework import ops
from tensorflow.python.platform import test
from tensorflow.python.summary import summary_iterator
from tensorflow.python.summary.writer import writer
from tensorflow.python.summary.writer import writer_cache
class SummaryWriterTestCase(test.TestCase):
def _TestDir(self, test_name):
test_dir = os.path.join(self.get_temp_dir(), test_name)
return test_dir
def _CleanTestDir(self, test_name):
test_dir = self._TestDir(test_name)
if os.path.exists(test_dir):
shutil.rmtree(test_dir)
return test_dir
def _EventsReader(self, test_dir):
event_paths = glob.glob(os.path.join(test_dir, "event*"))
# If the tests runs multiple times in the same directory we can have
# more than one matching event file. We only want to read the last one.
self.assertTrue(event_paths)
return summary_iterator.summary_iterator(event_paths[-1])
def _assertRecent(self, t):
self.assertTrue(abs(t - time.time()) < 5)
def _assertEventsWithGraph(self, test_dir, g, has_shapes):
meta_graph_def = meta_graph.create_meta_graph_def(
graph_def=g.as_graph_def(add_shapes=has_shapes))
rr = self._EventsReader(test_dir)
# The first event should list the file_version.
ev = next(rr)
self._assertRecent(ev.wall_time)
self.assertEquals("brain.Event:2", ev.file_version)
# The next event should have the graph.
ev = next(rr)
self._assertRecent(ev.wall_time)
self.assertEquals(0, ev.step)
ev_graph = graph_pb2.GraphDef()
ev_graph.ParseFromString(ev.graph_def)
self.assertProtoEquals(g.as_graph_def(add_shapes=has_shapes), ev_graph)
# The next event should have the metagraph.
ev = next(rr)
self._assertRecent(ev.wall_time)
self.assertEquals(0, ev.step)
ev_meta_graph = meta_graph_pb2.MetaGraphDef()
ev_meta_graph.ParseFromString(ev.meta_graph_def)
self.assertProtoEquals(meta_graph_def, ev_meta_graph)
# We should be done.
self.assertRaises(StopIteration, lambda: next(rr))
def testAddingSummaryGraphAndRunMetadata(self):
test_dir = self._CleanTestDir("basics")
sw = writer.FileWriter(test_dir)
sw.add_session_log(event_pb2.SessionLog(status=SessionLog.START), 1)
sw.add_summary(
summary_pb2.Summary(
value=[summary_pb2.Summary.Value(
tag="mee", simple_value=10.0)]),
10)
sw.add_summary(
summary_pb2.Summary(
value=[summary_pb2.Summary.Value(
tag="boo", simple_value=20.0)]),
20)
with ops.Graph().as_default() as g:
constant_op.constant([0], name="zero")
sw.add_graph(g, global_step=30)
run_metadata = config_pb2.RunMetadata()
device_stats = run_metadata.step_stats.dev_stats.add()
device_stats.device = "test"
sw.add_run_metadata(run_metadata, "test run", global_step=40)
sw.close()
rr = self._EventsReader(test_dir)
# The first event should list the file_version.
ev = next(rr)
self._assertRecent(ev.wall_time)
self.assertEquals("brain.Event:2", ev.file_version)
# The next event should be the START message.
ev = next(rr)
self._assertRecent(ev.wall_time)
self.assertEquals(1, ev.step)
self.assertEquals(SessionLog.START, ev.session_log.status)
# The next event should have the value 'mee=10.0'.
ev = next(rr)
self._assertRecent(ev.wall_time)
self.assertEquals(10, ev.step)
self.assertProtoEquals("""
value { tag: 'mee' simple_value: 10.0 }
""", ev.summary)
# The next event should have the value 'boo=20.0'.
ev = next(rr)
self._assertRecent(ev.wall_time)
self.assertEquals(20, ev.step)
self.assertProtoEquals("""
value { tag: 'boo' simple_value: 20.0 }
""", ev.summary)
# The next event should have the graph_def.
ev = next(rr)
self._assertRecent(ev.wall_time)
self.assertEquals(30, ev.step)
ev_graph = graph_pb2.GraphDef()
ev_graph.ParseFromString(ev.graph_def)
self.assertProtoEquals(g.as_graph_def(add_shapes=True), ev_graph)
# The next event should have metadata for the run.
ev = next(rr)
self._assertRecent(ev.wall_time)
self.assertEquals(40, ev.step)
self.assertEquals("test run", ev.tagged_run_metadata.tag)
parsed_run_metadata = config_pb2.RunMetadata()
parsed_run_metadata.ParseFromString(ev.tagged_run_metadata.run_metadata)
self.assertProtoEquals(run_metadata, parsed_run_metadata)
# We should be done.
self.assertRaises(StopIteration, lambda: next(rr))
def testGraphAsNamed(self):
test_dir = self._CleanTestDir("basics_named_graph")
with ops.Graph().as_default() as g:
constant_op.constant([12], name="douze")
sw = writer.FileWriter(test_dir, graph=g)
sw.close()
self._assertEventsWithGraph(test_dir, g, True)
def testGraphAsPositional(self):
test_dir = self._CleanTestDir("basics_positional_graph")
with ops.Graph().as_default() as g:
constant_op.constant([12], name="douze")
sw = writer.FileWriter(test_dir, g)
sw.close()
self._assertEventsWithGraph(test_dir, g, True)
def testGraphDefAsNamed(self):
test_dir = self._CleanTestDir("basics_named_graph_def")
with ops.Graph().as_default() as g:
constant_op.constant([12], name="douze")
gd = g.as_graph_def()
sw = writer.FileWriter(test_dir, graph_def=gd)
sw.close()
self._assertEventsWithGraph(test_dir, g, False)
def testGraphDefAsPositional(self):
test_dir = self._CleanTestDir("basics_positional_graph_def")
with ops.Graph().as_default() as g:
constant_op.constant([12], name="douze")
gd = g.as_graph_def()
sw = writer.FileWriter(test_dir, gd)
sw.close()
self._assertEventsWithGraph(test_dir, g, False)
def testGraphAndGraphDef(self):
with self.assertRaises(ValueError):
test_dir = self._CleanTestDir("basics_graph_and_graph_def")
with ops.Graph().as_default() as g:
constant_op.constant([12], name="douze")
gd = g.as_graph_def()
sw = writer.FileWriter(test_dir, graph=g, graph_def=gd)
sw.close()
def testNeitherGraphNorGraphDef(self):
with self.assertRaises(TypeError):
test_dir = self._CleanTestDir("basics_string_instead_of_graph")
sw = writer.FileWriter(test_dir, "string instead of graph object")
sw.close()
def testCloseAndReopen(self):
test_dir = self._CleanTestDir("close_and_reopen")
sw = writer.FileWriter(test_dir)
sw.add_session_log(event_pb2.SessionLog(status=SessionLog.START), 1)
sw.close()
# Sleep at least one second to make sure we get a new event file name.
time.sleep(1.2)
sw.reopen()
sw.add_session_log(event_pb2.SessionLog(status=SessionLog.START), 2)
sw.close()
# We should now have 2 events files.
event_paths = sorted(glob.glob(os.path.join(test_dir, "event*")))
self.assertEquals(2, len(event_paths))
# Check the first file contents.
rr = summary_iterator.summary_iterator(event_paths[0])
# The first event should list the file_version.
ev = next(rr)
self._assertRecent(ev.wall_time)
self.assertEquals("brain.Event:2", ev.file_version)
# The next event should be the START message.
ev = next(rr)
self._assertRecent(ev.wall_time)
self.assertEquals(1, ev.step)
self.assertEquals(SessionLog.START, ev.session_log.status)
# We should be done.
self.assertRaises(StopIteration, lambda: next(rr))
# Check the second file contents.
rr = summary_iterator.summary_iterator(event_paths[1])
# The first event should list the file_version.
ev = next(rr)
self._assertRecent(ev.wall_time)
self.assertEquals("brain.Event:2", ev.file_version)
# The next event should be the START message.
ev = next(rr)
self._assertRecent(ev.wall_time)
self.assertEquals(2, ev.step)
self.assertEquals(SessionLog.START, ev.session_log.status)
# We should be done.
self.assertRaises(StopIteration, lambda: next(rr))
# Checks that values returned from session Run() calls are added correctly to
# summaries. These are numpy types so we need to check they fit in the
# protocol buffers correctly.
def testAddingSummariesFromSessionRunCalls(self):
test_dir = self._CleanTestDir("global_step")
sw = writer.FileWriter(test_dir)
with self.test_session():
i = constant_op.constant(1, dtype=dtypes.int32, shape=[])
l = constant_op.constant(2, dtype=dtypes.int64, shape=[])
# Test the summary can be passed serialized.
summ = summary_pb2.Summary(
value=[summary_pb2.Summary.Value(
tag="i", simple_value=1.0)])
sw.add_summary(summ.SerializeToString(), i.eval())
sw.add_summary(
summary_pb2.Summary(
value=[summary_pb2.Summary.Value(
tag="l", simple_value=2.0)]),
l.eval())
sw.close()
rr = self._EventsReader(test_dir)
# File_version.
ev = next(rr)
self.assertTrue(ev)
self._assertRecent(ev.wall_time)
self.assertEquals("brain.Event:2", ev.file_version)
# Summary passed serialized.
ev = next(rr)
self.assertTrue(ev)
self._assertRecent(ev.wall_time)
self.assertEquals(1, ev.step)
self.assertProtoEquals("""
value { tag: 'i' simple_value: 1.0 }
""", ev.summary)
# Summary passed as SummaryObject.
ev = next(rr)
self.assertTrue(ev)
self._assertRecent(ev.wall_time)
self.assertEquals(2, ev.step)
self.assertProtoEquals("""
value { tag: 'l' simple_value: 2.0 }
""", ev.summary)
# We should be done.
self.assertRaises(StopIteration, lambda: next(rr))
class SummaryWriterCacheTest(test.TestCase):
"""SummaryWriterCache tests."""
def _test_dir(self, test_name):
"""Create an empty dir to use for tests.
Args:
test_name: Name of the test.
Returns:
Absolute path to the test directory.
"""
test_dir = os.path.join(self.get_temp_dir(), test_name)
if os.path.isdir(test_dir):
for f in glob.glob("%s/*" % test_dir):
os.remove(f)
else:
os.makedirs(test_dir)
return test_dir
def test_cache(self):
with ops.Graph().as_default():
dir1 = self._test_dir("test_cache_1")
dir2 = self._test_dir("test_cache_2")
sw1 = writer_cache.FileWriterCache.get(dir1)
sw2 = writer_cache.FileWriterCache.get(dir2)
sw3 = writer_cache.FileWriterCache.get(dir1)
self.assertEqual(sw1, sw3)
self.assertFalse(sw1 == sw2)
sw1.close()
sw2.close()
events1 = glob.glob(os.path.join(dir1, "event*"))
self.assertTrue(events1)
events2 = glob.glob(os.path.join(dir2, "event*"))
self.assertTrue(events2)
events3 = glob.glob(os.path.join("nowriter", "event*"))
self.assertFalse(events3)
def test_clear(self):
with ops.Graph().as_default():
dir1 = self._test_dir("test_clear")
sw1 = writer_cache.FileWriterCache.get(dir1)
writer_cache.FileWriterCache.clear()
sw2 = writer_cache.FileWriterCache.get(dir1)
self.assertFalse(sw1 == sw2)
if __name__ == "__main__":
test.main()