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Unified Diff: tools/telemetry/third_party/webpagereplay/proxyshaper_test.py

Issue 1647513002: Delete tools/telemetry. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 4 years, 11 months ago
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Index: tools/telemetry/third_party/webpagereplay/proxyshaper_test.py
diff --git a/tools/telemetry/third_party/webpagereplay/proxyshaper_test.py b/tools/telemetry/third_party/webpagereplay/proxyshaper_test.py
deleted file mode 100755
index 5c2e3ae229247dffc471c75007564c6fadfd62f0..0000000000000000000000000000000000000000
--- a/tools/telemetry/third_party/webpagereplay/proxyshaper_test.py
+++ /dev/null
@@ -1,141 +0,0 @@
-#!/usr/bin/env python
-# Copyright 2012 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.
-
-"""Unit tests for proxyshaper.
-
-Usage:
-$ ./proxyshaper_test.py
-"""
-
-import proxyshaper
-import StringIO
-import unittest
-
-
-# pylint: disable=bad-whitespace
-VALID_RATES = (
- # input, expected_bps
- ( '384Kbit/s', 384000),
- ('1536Kbit/s', 1536000),
- ( '1Mbit/s', 1000000),
- ( '5Mbit/s', 5000000),
- ( '2MByte/s', 16000000),
- ( '0', 0),
- ( '5', 5),
- ( 384000, 384000),
- )
-
-ERROR_RATES = (
- '1536KBit/s', # Older versions of dummynet used capital 'B' for bytes.
- '1Mbyte/s', # Require capital 'B' for bytes.
- '5bps',
- )
-
-
-class TimedTestCase(unittest.TestCase):
- def assertValuesAlmostEqual(self, expected, actual, tolerance=0.05):
- """Like the following with nicer default message:
- assertTrue(expected <= actual + tolerance &&
- expected >= actual - tolerance)
- """
- delta = tolerance * expected
- if actual > expected + delta or actual < expected - delta:
- self.fail('%s is not equal to expected %s +/- %s%%' % (
- actual, expected, 100 * tolerance))
-
-
-class RateLimitedFileTest(TimedTestCase):
- def testReadLimitedBasic(self):
- num_bytes = 1024
- bps = 384000
- request_counter = lambda: 1
- f = StringIO.StringIO(' ' * num_bytes)
- limited_f = proxyshaper.RateLimitedFile(request_counter, f, bps)
- start = proxyshaper.TIMER()
- self.assertEqual(num_bytes, len(limited_f.read()))
- expected_ms = 8.0 * num_bytes / bps * 1000.0
- actual_ms = (proxyshaper.TIMER() - start) * 1000.0
- self.assertValuesAlmostEqual(expected_ms, actual_ms)
-
- def testReadlineLimitedBasic(self):
- num_bytes = 1024 * 8 + 512
- bps = 384000
- request_counter = lambda: 1
- f = StringIO.StringIO(' ' * num_bytes)
- limited_f = proxyshaper.RateLimitedFile(request_counter, f, bps)
- start = proxyshaper.TIMER()
- self.assertEqual(num_bytes, len(limited_f.readline()))
- expected_ms = 8.0 * num_bytes / bps * 1000.0
- actual_ms = (proxyshaper.TIMER() - start) * 1000.0
- self.assertValuesAlmostEqual(expected_ms, actual_ms)
-
- def testReadLimitedSlowedByMultipleRequests(self):
- num_bytes = 1024
- bps = 384000
- request_count = 2
- request_counter = lambda: request_count
- f = StringIO.StringIO(' ' * num_bytes)
- limited_f = proxyshaper.RateLimitedFile(request_counter, f, bps)
- start = proxyshaper.TIMER()
- num_read_bytes = limited_f.read()
- self.assertEqual(num_bytes, len(num_read_bytes))
- expected_ms = 8.0 * num_bytes / (bps / float(request_count)) * 1000.0
- actual_ms = (proxyshaper.TIMER() - start) * 1000.0
- self.assertValuesAlmostEqual(expected_ms, actual_ms)
-
- def testWriteLimitedBasic(self):
- num_bytes = 1024 * 10 + 350
- bps = 384000
- request_counter = lambda: 1
- f = StringIO.StringIO()
- limited_f = proxyshaper.RateLimitedFile(request_counter, f, bps)
- start = proxyshaper.TIMER()
- limited_f.write(' ' * num_bytes)
- self.assertEqual(num_bytes, len(limited_f.getvalue()))
- expected_ms = 8.0 * num_bytes / bps * 1000.0
- actual_ms = (proxyshaper.TIMER() - start) * 1000.0
- self.assertValuesAlmostEqual(expected_ms, actual_ms)
-
- def testWriteLimitedSlowedByMultipleRequests(self):
- num_bytes = 1024 * 10
- bps = 384000
- request_count = 2
- request_counter = lambda: request_count
- f = StringIO.StringIO(' ' * num_bytes)
- limited_f = proxyshaper.RateLimitedFile(request_counter, f, bps)
- start = proxyshaper.TIMER()
- limited_f.write(' ' * num_bytes)
- self.assertEqual(num_bytes, len(limited_f.getvalue()))
- expected_ms = 8.0 * num_bytes / (bps / float(request_count)) * 1000.0
- actual_ms = (proxyshaper.TIMER() - start) * 1000.0
- self.assertValuesAlmostEqual(expected_ms, actual_ms)
-
-
-class GetBitsPerSecondTest(unittest.TestCase):
- def testConvertsValidValues(self):
- for dummynet_option, expected_bps in VALID_RATES:
- bps = proxyshaper.GetBitsPerSecond(dummynet_option)
- self.assertEqual(
- expected_bps, bps, 'Unexpected result for %s: %s != %s' % (
- dummynet_option, expected_bps, bps))
-
- def testRaisesOnUnexpectedValues(self):
- for dummynet_option in ERROR_RATES:
- self.assertRaises(proxyshaper.BandwidthValueError,
- proxyshaper.GetBitsPerSecond, dummynet_option)
-
-
-if __name__ == '__main__':
- unittest.main()
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