1<html> 2<head> 3<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 4<title>logger</title> 5<link rel="stylesheet" href="../../../boostbook.css" type="text/css"> 6<meta name="generator" content="DocBook XSL Stylesheets V1.79.1"> 7<link rel="home" href="../../../index.html" title="Boost.Test"> 8<link rel="up" href="../rt_param_reference.html" title="Runtime parameters reference"> 9<link rel="prev" href="log_sink.html" title="log_sink"> 10<link rel="next" href="output_format.html" title="output_format"> 11</head> 12<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> 13<table cellpadding="2" width="100%"><tr> 14<td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../../../../../boost.png"></td> 15<td align="center"><a href="../../../../../../../index.html">Home</a></td> 16<td align="center"><a href="../../../../../../../libs/libraries.htm">Libraries</a></td> 17<td align="center"><a href="http://www.boost.org/users/people.html">People</a></td> 18<td align="center"><a href="http://www.boost.org/users/faq.html">FAQ</a></td> 19<td align="center"><a href="../../../../../../../more/index.htm">More</a></td> 20</tr></table> 21<hr> 22<div class="spirit-nav"> 23<a accesskey="p" href="log_sink.html"><img src="../../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../rt_param_reference.html"><img src="../../../../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../../index.html"><img src="../../../../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="output_format.html"><img src="../../../../../../../doc/src/images/next.png" alt="Next"></a> 24</div> 25<div class="section"> 26<div class="titlepage"><div><div><h4 class="title"> 27<a name="boost_test.utf_reference.rt_param_reference.logger"></a><a class="link" href="logger.html" title="logger"><code class="computeroutput"><span class="identifier">logger</span></code></a> 28</h4></div></div></div> 29<p> 30 The <span class="emphasis"><em>logger</em></span> parameter allows to fully specify (log 31 format, level and sink) one or several loggers in one command. If this 32 parameter is specified, it has precedence over <a class="link" href="log_format.html" title="log_format"><code class="computeroutput"><span class="identifier">log_format</span></code></a>, <a class="link" href="log_level.html" title="log_level"><code class="computeroutput"><span class="identifier">log_level</span></code></a> and <a class="link" href="log_sink.html" title="log_sink"><code class="computeroutput"><span class="identifier">log_sink</span></code></a>. 33 </p> 34<p> 35 The parameter is <span class="emphasis"><em>repeatable</em></span>: it may appear several 36 times on the command line. It is possible to indicate a set of loggers 37 using the separator ':', which is the only way for repeating a logger description 38 through the environment variable. 39 </p> 40<p> 41 The parameter is composed of three fields separated by a coma ',' and indicating 42 respectively the log format, level and sink. The log format is mandatory. 43 The log level and sink are both optional: if omitted, the default for the 44 specified format will be used. The log level and sink accept the same value 45 as their respective command line switch (see <a class="link" href="log_level.html" title="log_level"><code class="computeroutput"><span class="identifier">log_level</span></code></a> and <a class="link" href="log_sink.html" title="log_sink"><code class="computeroutput"><span class="identifier">log_sink</span></code></a> for more information). 46 </p> 47<h5> 48<a name="boost_test.utf_reference.rt_param_reference.logger.h0"></a> 49 <span class="phrase"><a name="boost_test.utf_reference.rt_param_reference.logger.acceptable_values"></a></span><a class="link" href="logger.html#boost_test.utf_reference.rt_param_reference.logger.acceptable_values">Acceptable 50 values</a> 51 </h5> 52<p> 53 Case sensitive <a class="link" href="../rt_param_reference.html#regular_param_value">string</a>: 54 </p> 55<pre class="programlisting"><span class="identifier">logger_set</span> <span class="special">::=</span> <span class="special">(</span><span class="identifier">logger</span> <span class="char">':'</span><span class="special">)*</span> <span class="identifier">logger</span> 56<span class="identifier">logger</span> <span class="special">::=</span> <span class="identifier">logger_format</span> <span class="special">(</span><span class="char">','</span> <span class="identifier">log_level</span><span class="special">?</span> <span class="special">(</span><span class="char">','</span> <span class="identifier">log_sink</span><span class="special">?</span> <span class="special">)?</span> <span class="special">)?</span> 57<span class="identifier">logger_format</span> <span class="special">::=</span> <span class="char">'HRF'</span> <span class="special">|</span> <span class="char">'XML'</span> <span class="special">|</span> <span class="char">'JUNIT'</span> 58<span class="identifier">log_level</span> <span class="special">::=</span> <span class="char">'all'</span> <span class="special">|</span> <span class="char">'success'</span> <span class="special">|</span> <span class="char">'test_suite'</span> <span class="special">|</span> <span class="char">'message'</span> <span class="special">|</span> <span class="char">'warning'</span> <span class="special">|</span> <span class="char">'error'</span> <span class="special">|</span> <span class="char">'cpp_exception'</span> <span class="special">|</span> <span class="char">'system_error'</span> <span class="special">|</span> <span class="char">'fatal_error'</span> <span class="special">|</span> <span class="char">'nothing'</span> 59<span class="identifier">log_sink</span> <span class="special">::=</span> <span class="char">'stdout'</span> <span class="special">|</span> <span class="char">'stderr'</span> <span class="special">|</span> <span class="identifier">filename</span> 60</pre> 61<p> 62 Examples: 63 </p> 64<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> 65<li class="listitem"> 66 <code class="computeroutput"><span class="special">--</span><span class="identifier">logger</span><span class="special">=</span><span class="identifier">HRF</span><span class="special">,</span><span class="identifier">all</span></code> 67 will set the <code class="computeroutput"><span class="identifier">all</span></code> log 68 level for the <code class="computeroutput"><span class="identifier">HRF</span></code> log 69 format, and will use the default sink associated to <code class="computeroutput"><span class="identifier">HRF</span></code> 70 (<code class="computeroutput"><span class="identifier">stdout</span></code>) 71 </li> 72<li class="listitem"> 73 <code class="computeroutput"><span class="special">--</span><span class="identifier">logger</span><span class="special">=</span><span class="identifier">JUNIT</span><span class="special">,,</span><span class="identifier">somefile</span><span class="special">.</span><span class="identifier">xml</span><span class="special">:</span><span class="identifier">HRF</span><span class="special">,</span><span class="identifier">warning</span></code> 74 will use the default log level associated to the <code class="computeroutput"><span class="identifier">JUNIT</span></code> 75 log format, and will use the file <code class="computeroutput"><span class="identifier">somefile</span><span class="special">.</span><span class="identifier">xml</span></code> 76 as the log sink. It will also enable the <code class="computeroutput"><span class="identifier">HRF</span></code> 77 format with log level <code class="computeroutput"><span class="identifier">warning</span></code>. 78 The corresponding sink will be set to the <code class="computeroutput"><span class="identifier">HRF</span></code> 79 default (<code class="computeroutput"><span class="identifier">stdout</span></code>). 80 </li> 81</ul></div> 82<h5> 83<a name="boost_test.utf_reference.rt_param_reference.logger.h1"></a> 84 <span class="phrase"><a name="boost_test.utf_reference.rt_param_reference.logger.command_line_syntax"></a></span><a class="link" href="logger.html#boost_test.utf_reference.rt_param_reference.logger.command_line_syntax">Command 85 line syntax</a> 86 </h5> 87<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"> 88 <code class="computeroutput"><span class="special">--</span><span class="identifier">logger</span><span class="special">=<</span><span class="identifier">logger_set</span><span class="special">></span></code> 89 </li></ul></div> 90<h5> 91<a name="boost_test.utf_reference.rt_param_reference.logger.h2"></a> 92 <span class="phrase"><a name="boost_test.utf_reference.rt_param_reference.logger.environment_variable"></a></span><a class="link" href="logger.html#boost_test.utf_reference.rt_param_reference.logger.environment_variable">Environment 93 variable</a> 94 </h5> 95<pre class="programlisting"><span class="identifier">BOOST_TEST_LOGGER</span> 96</pre> 97</div> 98<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 99<td align="left"></td> 100<td align="right"><div class="copyright-footer">Copyright © 2001-2020 Boost.Test contributors<p> 101 Distributed under the Boost Software License, Version 1.0. (See accompanying 102 file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>) 103 </p> 104</div></td> 105</tr></table> 106<hr> 107<div class="spirit-nav"> 108<a accesskey="p" href="log_sink.html"><img src="../../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../rt_param_reference.html"><img src="../../../../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../../index.html"><img src="../../../../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="output_format.html"><img src="../../../../../../../doc/src/images/next.png" alt="Next"></a> 109</div> 110</body> 111</html> 112