aiexperiments-ai-duet/server/third_party/magenta/pipelines/statistics_test.py
2016-11-11 15:34:34 -05:00

104 lines
3.3 KiB
Python

# Copyright 2016 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 statistics."""
# internal imports
import tensorflow as tf
from magenta.pipelines import statistics
class StatisticsTest(tf.test.TestCase):
def testCounter(self):
counter = statistics.Counter('name_123')
self.assertEqual(counter.count, 0)
counter.increment()
self.assertEqual(counter.count, 1)
counter.increment(10)
self.assertEqual(counter.count, 11)
counter_2 = statistics.Counter('name_123', 5)
self.assertEqual(counter_2.count, 5)
counter.merge_from(counter_2)
self.assertEqual(counter.count, 16)
class ABC(object):
pass
with self.assertRaises(
statistics.MergeStatisticsException):
counter.merge_from(ABC())
self.assertEqual(str(counter), 'name_123: 16')
counter_copy = counter.copy()
self.assertEqual(counter_copy.count, 16)
self.assertEqual(counter_copy.name, 'name_123')
def testHistogram(self):
histo = statistics.Histogram('name_123', [1, 2, 10])
self.assertEqual(histo.counters, {float('-inf'): 0, 1: 0, 2: 0, 10: 0})
histo.increment(1)
self.assertEqual(histo.counters, {float('-inf'): 0, 1: 1, 2: 0, 10: 0})
histo.increment(3, 3)
self.assertEqual(histo.counters, {float('-inf'): 0, 1: 1, 2: 3, 10: 0})
histo.increment(20)
histo.increment(100)
self.assertEqual(histo.counters, {float('-inf'): 0, 1: 1, 2: 3, 10: 2})
histo.increment(0)
histo.increment(-10)
self.assertEqual(histo.counters, {float('-inf'): 2, 1: 1, 2: 3, 10: 2})
histo_2 = statistics.Histogram('name_123', [1, 2, 10])
histo_2.increment(0, 4)
histo_2.increment(2, 10)
histo_2.increment(10, 1)
histo.merge_from(histo_2)
self.assertEqual(histo.counters, {float('-inf'): 6, 1: 1, 2: 13, 10: 3})
histo_3 = statistics.Histogram('name_123', [1, 2, 7])
with self.assertRaisesRegexp(
statistics.MergeStatisticsException,
r'Histogram buckets do not match. '
r'Expected \[-inf, 1, 2, 10\], got \[-inf, 1, 2, 7\]'):
histo.merge_from(histo_3)
class ABC(object):
pass
with self.assertRaises(
statistics.MergeStatisticsException):
histo.merge_from(ABC())
self.assertEqual(
str(histo),
'name_123:\n [-inf,1): 6\n [1,2): 1\n [2,10): 13\n [10,inf): 3')
histo_copy = histo.copy()
self.assertEqual(histo_copy.counters,
{float('-inf'): 6, 1: 1, 2: 13, 10: 3})
self.assertEqual(histo_copy.name, 'name_123')
def testMergeDifferentNames(self):
counter_1 = statistics.Counter('counter_1')
counter_2 = statistics.Counter('counter_2')
with self.assertRaises(
statistics.MergeStatisticsException):
counter_1.merge_from(counter_2)
if __name__ == '__main__':
tf.test.main()