1#!/usr/bin/env python
2# Copyright 2009 Google Inc. All Rights Reserved.
3#
4# Licensed under the Apache License, Version 2.0 (the "License");
5# you may not use this file except in compliance with the License.
6# You may obtain a copy of the License at
7#
8#      http://www.apache.org/licenses/LICENSE-2.0
9#
10# Unless required by applicable law or agreed to in writing, software
11# distributed under the License is distributed on an "AS IS" BASIS,
12# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13# See the License for the specific language governing permissions and
14# limitations under the License.
15
16"""Tests for all functions related to chart generation."""
17
18__author__ = 'tstromberg@google.com (Thomas Stromberg)'
19
20import unittest
21import nameserver
22import charts
23
24
25def _ExampleRunsData():
26  odns = nameserver.NameServer('208.67.220.220', name='OpenDNS')
27  udns = nameserver.NameServer('156.154.70.1', name='UltraDNS')
28  data = [(odns, [79.0, 191.0, 84.0, 878.0, 82.0, 85.0, 882.0, 187.0, 79.0,
29                  80.0, 79.0, 261.0, 79.0, 83.0, 82.0, 420.0, 822.0, 1890.0,
30                  78.0, 79.0, 86.0, 89.0, 125.0, 94.0, 81.0, 79.0, 81.0, 79.0,
31                  1105.0, 84.0]),
32          (udns, [9.0, 8.0, 13.0, 329.0, 9.0, 9.0, 773.0, 52.0, 9.0, 8.0, 8.0,
33                  143.0, 27.0, 104.0, 8.0, 8.0, 320.0, 594.0, 8.0, 312.0, 11.0,
34                  9.0, 174.0, 83.0, 8.0, 9.0, 8.0, 8.0, 496.0, 533.0])]
35  return data
36
37
38# TODO(tstromberg): Clean up long lines, cleanse IP/hostnames.
39class ChartFunctionsTest(unittest.TestCase):
40  def testDarkenHexColorCode(self):
41    self.assertEquals(charts.DarkenHexColorCode('ffffff', 0), 'ffffff')
42    self.assertEquals(charts.DarkenHexColorCode('2c2c2c', 1), '0c0c0c')
43    self.assertEquals(charts.DarkenHexColorCode('ff0000', 1), 'df0000')
44    self.assertEquals(charts.DarkenHexColorCode('ff00ff', 2), 'bf00bf')
45
46  def testGoodTicks(self):
47    self.assertEquals(charts._GoodTicks(50), 5)
48    self.assertEquals(charts._GoodTicks(9.8, tick_size=0.5, num_ticks=7), 2.0)
49
50
51class BasicChartTests(unittest.TestCase):
52  def testPerRunDurationBarGraph(self):
53    sorted_averages = [
54        ('10.0.0.1', [5.871, 2.6599]),
55        ('192.168.1.2', [15.0867, 15.2531]),
56        ('172.168.1.2', [70.7752, 15.02163]),
57    ]
58    results = charts.PerRunDurationBarGraph(sorted_averages)
59    self.assertTrue('e%3AFBM48Y%2CCRNBM' in results)
60    expected = (
61        'http://chart.apis.google.com/chart?chxt=y%2Cx%2Cx&chd=e%3AFBM48Y%2'
62        'CCRNBM0&chxp=2%2C31&chxr=1%2C0%2C75%7C2%2C-3.75%2C78.75&chxtc=1%2C-720'
63        '&chco=4684ee%2C00248e&chbh=a&chs=720x130&cht=bhg&chxl=0%3A%7C'
64        '172.168.1.2%7C192.168.1.2%7C10.0.0.1%7C1%3A%7C0%7C5%7C10%7C15%7C20'
65        '%7C25%7C30%7C35%7C40%7C45%7C50%7C55%7C60%7C65%7C70%7C75%7C2%3A%7C'
66        'Duration%20in%20ms.&chdl=Run%201%7CRun%202'
67    )
68    self.assertEqual(results, expected)
69
70  def testMinimumDurationBarGraph(self):
71    fastest = ((nameserver.NameServer('208.67.220.220', name='OpenDNS'), 10.0),
72               (nameserver.NameServer('156.154.70.1', name='UltraDNS'), 15.75))
73
74    expected = (
75        'http://chart.apis.google.com/chart?chxt=y%2Cx%2Cx&chd=e%3AgAyZ&'
76        'chxp=2%2C9&chxr=1%2C0%2C20%7C2%2C-1.0%2C21.0&chxtc=1%2C-720'
77        '&chco=0000ff&chbh=a&chs=720x78&cht=bhg&chxl=0%3A%7CUltraDNS%7COpenDNS'
78        '%7C1%3A%7C0%7C3%7C6%7C9%7C12%7C15%7C18%7C20%7C2%3A%7C'
79        'Duration%20in%20ms.'
80    )
81    self.assertEquals(charts.MinimumDurationBarGraph(fastest), expected)
82
83  def testMaximumRunDuration(self):
84    runs_data = [
85        ('G', [3.851, 4.7690, 423.971998, 189.674001, 14.477, 174.788001]),
86        ('Y', [99.99, 488.88])
87    ]
88    self.assertEquals(charts._MaximumRunDuration(runs_data), 488.88)
89
90class DistributionChartTests(unittest.TestCase):
91
92  def testMakeCumulativeDistribution(self):
93    runs_data = _ExampleRunsData()
94    expected = [
95        (runs_data[0][0],
96         [(0, 0), (3.3333333333333335, 78.0),(26.666666666666668, 79.0),
97          (30.0, 80.0), (36.666666666666664, 81.0), (43.333333333333336, 82.0),
98          (46.666666666666664, 83.0), (53.333333333333336, 84.0),
99          (56.666666666666664, 85.0), (60.0, 86.0), (63.333333333333329, 89.0),
100          (66.666666666666657, 94.0), (70.0, 125.0), (73.333333333333329, 187.0),
101          (76.666666666666671, 191.0), (80.0, 261.0), (83.333333333333343, 420.0),
102          (86.666666666666671, 822.0), (90.0, 878.0), (93.333333333333329, 882.0),
103          (96.666666666666671, 1105.0), (100, 1890.0)]),
104        (runs_data[1][0],
105         [(0, 0), (30.0, 8.0), (50.0, 9.0), (53.333333333333336, 11.0),
106          (56.666666666666664, 13.0), (60.0, 27.0), (63.333333333333329, 52.0),
107          (66.666666666666657, 83.0), (70.0, 104.0), (73.333333333333329, 143.0),
108          (76.666666666666671, 174.0), (80.0, 312.0), (83.333333333333343, 320.0),
109          (86.666666666666671, 329.0), (90.0, 496.0), (93.333333333333329, 533.0),
110          (96.666666666666671, 594.0), (100, 773.0)])]
111    self.assertEquals(charts._MakeCumulativeDistribution(runs_data), expected)
112
113  def testDistributionLineGraph(self):
114    runs_data = _ExampleRunsData()
115    url = charts.DistributionLineGraph(runs_data, scale=350)
116    expected = (
117        'http://chart.apis.google.com/chart?cht=lxy&chs=720x410&chxt=x,y&'
118        'chg=10,20&chxr=0,0,350|1,0,100&chd=t:0,22,23,23,23,23,24,24,24,25,25'
119        ',27,36,53,55,75,120|0,3,27,30,37,43,47,53,57,60,63,67,70,73,77,80,83|'
120        '0,2,3,3,4,8,15,24,30,41,50,89,91,94,142|0,30,50,53,57,60,63,67,70,73,'
121        '77,80,83,87,90&chco=ff9900,1a00ff&chxt=x,y,x,y&chxl=2:||Duration+in+ms'
122        '||3:||%25|&chdl=OpenDNS|UltraDNS'
123    )
124    self.assertTrue('0,3,27,30,37,43,47,53,57,60,63,67,70,73,77' in expected)
125    self.assertTrue('0,0,350|1,0,100' in expected)
126    self.assertEquals(url, expected)
127
128
129if __name__ == '__main__':
130  unittest.main()
131