1 | #!/usr/bin/env python
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2 | # -*- coding: utf-8 -*-
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3 | # $Id: tdPython1.py 79067 2019-06-10 22:56:46Z vboxsync $
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4 |
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5 | """
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6 | VirtualBox Validation Kit - Python Bindings Test #1
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7 | """
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8 |
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9 | __copyright__ = \
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10 | """
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11 | Copyright (C) 2010-2019 Oracle Corporation
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12 |
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13 | This file is part of VirtualBox Open Source Edition (OSE), as
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14 | available from http://www.virtualbox.org. This file is free software;
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15 | you can redistribute it and/or modify it under the terms of the GNU
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16 | General Public License (GPL) as published by the Free Software
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17 | Foundation, in version 2 as it comes in the "COPYING" file of the
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18 | VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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19 | hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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20 |
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21 | The contents of this file may alternatively be used under the terms
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22 | of the Common Development and Distribution License Version 1.0
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23 | (CDDL) only, as it comes in the "COPYING.CDDL" file of the
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24 | VirtualBox OSE distribution, in which case the provisions of the
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25 | CDDL are applicable instead of those of the GPL.
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26 |
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27 | You may elect to license modified versions of this file under the
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28 | terms and conditions of either the GPL or the CDDL or both.
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29 | """
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30 | __version__ = "$Revision: 79067 $"
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31 |
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32 |
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33 | # Standard Python imports.
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34 | import os
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35 | import sys
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36 | import time
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37 | import threading
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38 |
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39 | # Only the main script needs to modify the path.
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40 | try: __file__
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41 | except: __file__ = sys.argv[0];
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42 | g_ksValidationKitDir = os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__))));
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43 | sys.path.append(g_ksValidationKitDir);
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44 |
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45 | # Validation Kit imports.
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46 | from testdriver import base;
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47 | from testdriver import reporter;
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48 |
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49 |
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50 | class SubTstDrvPython1(base.SubTestDriverBase):
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51 | """
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52 | Sub-test driver for Python Bindings Test #1.
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53 | """
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54 |
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55 | def __init__(self, oTstDrv):
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56 | base.SubTestDriverBase.__init__(self, oTstDrv, 'python-binding', 'Python bindings');
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57 |
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58 | def testIt(self):
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59 | """
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60 | Execute the sub-testcase.
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61 | """
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62 | return self.testEventQueueWaiting() \
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63 | and self.testEventQueueInterrupt();
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64 |
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65 | #
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66 | # Test execution helpers.
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67 | #
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68 |
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69 | def testEventQueueWaitingThreadProc(self):
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70 | """ Thread procedure for checking that waitForEvents fails when not called by the main thread. """
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71 | try:
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72 | rc2 = self.oTstDrv.oVBoxMgr.waitForEvents(0);
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73 | except:
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74 | return True;
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75 | reporter.error('waitForEvents() returned "%s" when called on a worker thread, expected exception.' % (rc2,));
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76 | return False;
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77 |
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78 | def testEventQueueWaiting(self):
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79 | """
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80 | Test event queue waiting.
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81 | """
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82 | reporter.testStart('waitForEvents');
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83 |
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84 | # Check return values and such.
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85 | for cMsTimeout in (0, 1, 2, 3, 256, 1000, 0):
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86 | iLoop = 0;
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87 | while True:
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88 | try:
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89 | rc = self.oTstDrv.oVBoxMgr.waitForEvents(cMsTimeout);
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90 | except:
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91 | reporter.errorXcpt();
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92 | break;
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93 | if not isinstance(rc, int):
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94 | reporter.error('waitForEvents returns non-integer type');
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95 | break;
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96 | if rc == 1:
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97 | break;
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98 | if rc != 0:
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99 | reporter.error('waitForEvents returns "%s", expected 0 or 1' % (rc,));
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100 | break;
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101 | iLoop += 1;
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102 | if iLoop > 10240:
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103 | reporter.error('waitForEvents returns 0 (success) %u times. '
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104 | 'Expected 1 (timeout/interrupt) after a call or two.'
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105 | % (iLoop,));
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106 | break;
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107 | if reporter.testErrorCount() != 0:
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108 | break;
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109 |
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110 | # Check that we get an exception when trying to call the method from
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111 | # a different thread.
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112 | reporter.log('If running a debug build, you will see an ignored assertion now. Please ignore it.')
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113 | sVBoxAssertSaved = os.environ.get('VBOX_ASSERT', 'breakpoint');
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114 | os.environ['VBOX_ASSERT'] = 'ignore';
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115 | oThread = threading.Thread(target=self.testEventQueueWaitingThreadProc);
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116 | oThread.start();
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117 | oThread.join();
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118 | os.environ['VBOX_ASSERT'] = sVBoxAssertSaved;
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119 |
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120 | return reporter.testDone()[1] == 0;
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121 |
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122 | def interruptWaitEventsThreadProc(self):
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123 | """ Thread procedure that's used for waking up the main thread. """
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124 | time.sleep(2);
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125 | try:
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126 | rc2 = self.oTstDrv.oVBoxMgr.interruptWaitEvents();
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127 | except:
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128 | reporter.errorXcpt();
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129 | else:
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130 | if rc2 is True:
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131 | return True;
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132 | reporter.error('interruptWaitEvents returned "%s" when called from other thread, expected True' % (rc2,));
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133 | return False;
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134 |
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135 | def testEventQueueInterrupt(self):
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136 | """
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137 | Test interrupting an event queue wait.
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138 | """
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139 | reporter.testStart('interruptWait');
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140 |
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141 | # interrupt ourselves first and check the return value.
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142 | for i in range(0, 10):
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143 | try:
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144 | rc = self.oTstDrv.oVBoxMgr.interruptWaitEvents();
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145 | except:
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146 | reporter.errorXcpt();
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147 | break;
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148 | if rc is not True:
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149 | reporter.error('interruptWaitEvents returned "%s" expected True' % (rc,));
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150 | break
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151 |
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152 | if reporter.testErrorCount() == 0:
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153 | #
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154 | # Interrupt a waitForEvents call.
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155 | #
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156 | # This test ASSUMES that no other events are posted to the thread's
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157 | # event queue once we've drained it. Also ASSUMES the box is
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158 | # relatively fast and not too busy because we're timing sensitive.
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159 | #
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160 | for i in range(0, 4):
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161 | # Try quiesce the event queue.
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162 | for _ in range(1, 100):
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163 | self.oTstDrv.oVBoxMgr.waitForEvents(0);
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164 |
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165 | # Create a thread that will interrupt us in 2 seconds.
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166 | try:
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167 | oThread = threading.Thread(target=self.interruptWaitEventsThreadProc);
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168 | oThread.setDaemon(False);
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169 | except:
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170 | reporter.errorXcpt();
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171 | break;
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172 |
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173 | cMsTimeout = 20000;
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174 | if i == 2:
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175 | cMsTimeout = -1;
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176 | elif i == 3:
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177 | cMsTimeout = -999999;
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178 |
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179 | # Do the wait.
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180 | oThread.start();
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181 | msNow = base.timestampMilli();
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182 | try:
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183 | rc = self.oTstDrv.oVBoxMgr.waitForEvents(cMsTimeout);
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184 | except:
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185 | reporter.errorXcpt();
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186 | else:
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187 | msElapsed = base.timestampMilli() - msNow;
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188 |
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189 | # Check the return code and elapsed time.
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190 | if not isinstance(rc, int):
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191 | reporter.error('waitForEvents returns non-integer type after %u ms, expected 1' % (msElapsed,));
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192 | elif rc != 1:
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193 | reporter.error('waitForEvents returned "%s" after %u ms, expected 1' % (rc, msElapsed));
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194 | if msElapsed > 15000:
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195 | reporter.error('waitForEvents after %u ms, expected just above 2-3 seconds' % (msElapsed,));
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196 | elif msElapsed < 100:
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197 | reporter.error('waitForEvents after %u ms, expected more than 100 ms.' % (msElapsed,));
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198 |
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199 | oThread.join();
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200 | oThread = None;
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201 | if reporter.testErrorCount() != 0:
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202 | break;
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203 | reporter.log('Iteration %u was successful...' % (i + 1,));
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204 | return reporter.testDone()[1] == 0;
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205 |
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206 |
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207 | if __name__ == '__main__':
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208 | from tests.api.tdApi1 import tdApi1;
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209 | sys.exit(tdApi1([SubTstDrvPython1]).main(sys.argv));
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210 |
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