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<html devsite>
<head>
<title>Automating the tests</title>
<meta name="project_path" value="/_project.yaml" />
<meta name="book_path" value="/_book.yaml" />
</head>
<body>
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<p>Deqp test modules can be integrated to automated test systems in multiple ways.
The best approach depends on the existing test infrastructure and target
environment.</p>
<p>The primary output from a test run is always the test log file, i.e. the file
with a <code>.qpa</code> postfix. Full test results can be parsed from the test log. Console output is
debug information only and may not be available on all platforms.</p>
<p>Test binaries can be invoked directly from a test automation system. The test
binary can be launched for a specific case, for a test set, or for all
available tests. If a fatal error occurs during execution (such as certain API
errors or a crash), the test execution will abort. For regression testing, the
best approach is to invoke the test binaries for individual cases or small test
sets separately, in order to have partial results available even in the event
of hard failure.</p>
<p>The deqp comes with command line test execution tools that can be used in
combination with the execution service to achieve a more robust integration.
The executor detects test process termination and will resume test execution on
the next available case. A single log file is produced from the full test
session. This setup is ideal for lightweight test systems that don’t provide
crash recovery facilities.</p>
<h2 id=command_line_test_execution_tools>Command line test execution tools</h2>
<p>The current command line tool set includes a remote test execution tool, a test
log comparison generator for regression analysis, a test-log-to-CSV converter,
a test-log-to-XML converter, and a testlog-to-JUnit converter.</p>
<p>The source code for these tools is in the <code>executor</code> directory, and the binaries are built into the <code>&lt;builddir&gt;/executor</code> directory.</p>
<h3 id=command_line_test_executor>Command line Test Executor</h3>
<p>The command line Test Executor is a portable C++ tool for launching a test run
on a device and collecting the resulting logs from it over TCP/IP. The Executor
communicates with the execution service (execserver) on the target device.
Together they provide functionality such as recovery from test process crashes.
The following examples demonstrate how to use the command line Test Executor
(use <code>--help</code> for more details):</p>
<h4 id=example_1_run_gles2_functional_tests>Example 1: Run GLES2 functional tests on an Android device:</h4>
<pre class="devsite-terminal devsite-click-to-copy">
executor --connect=127.0.0.1 --port=50016 --binaryname=
com.drawelements.deqp/android.app.NativeActivity
--caselistdir=caselists
--testset=dEQP-GLES2.* --out=BatchResult.qpa
--cmdline="--deqp-crashhandler=enable --deqp-watchdog=enable
--deqp-gl-config-name=rgba8888d24s8"
</pre>
<h4 id=example_2_continue_a_partial_opengl>Example 2: Continue a partial OpenGL ES 2 test run locally:</h4>
<pre class="devsite-terminal devsite-click-to-copy">
executor --start-server=execserver/execserver --port=50016
--binaryname=deqp-gles2 --workdir=modules/opengl
--caselistdir=caselists
--testset=dEQP-GLES2.* --exclude=dEQP-GLES2.performance.* --in=BatchResult.qpa
--out=BatchResult.qpa
</pre>
<h3 id=test_log_csv_export_and_compare>Test log CSV export and compare</h3>
<p>The deqp has a tool for converting test logs (.<code>qpa </code>files) into CSV files. The CSV output contains a list of test cases and their
results. The tool can also compare two or more batch results and list only the
test cases that have different status codes in the input batch results. The
comparison will also print the number of matching cases.</p>
<p>The output in CSV format is very practical for further processing with standard
command line utilities or with a spreadsheet editor. An additional, human-readable,
plain-text format can be selected using the following command line argument: <code>--format=text</code></p>
<h4 id=example_1_export_test_log_in_csv_format>Example 1: Export test log in CSV format</h4>
<pre class="devsite-click-to-copy">
<code class="devsite-terminal">testlog-to-csv --value=code BatchResult.qpa > Result_statuscodes.csv</code>
<code class="devsite-terminal">testlog-to-csv --value=details BatchResult.qpa > Result_statusdetails.csv</code>
</pre>
<h4 id=example_2_list_differences>Example 2: List differences of test results between two test logs</h4>
<pre class="devsite-terminal devsite-click-to-copy">
testlog-to-csv --mode=diff --format=text Device_v1.qpa Device_v2.qpa
</pre>
<p class="note"><strong>Note:</strong> The argument <code>--value=code</code> outputs the test result code, such as "Pass" or "Fail". The argument <code>--value=details</code> selects the further explanation of the result or numerical value produced by a performance, capability, or accuracy test.</p>
<h3 id=test_log_xml_export>Test log XML export</h3>
<p>Test log files can be converted to valid XML documents using the <code>testlog-to-xml</code> utility. Two output modes are supported: </p>
<ul>
<li> Separate documents mode, where each test case and the <code>caselist.xml</code> summary document are written to a destination directory
<li> Single file mode, where all results in the <code>.qpa</code> file are written to single XML document.
</ul>
<p>Exported test log files can be viewed in a browser using an XML style sheet.
Sample style sheet documents (<code>testlog.xsl</code> and <code>testlog.css</code>) are provided in the <code>doc/testlog-stylesheet</code> directory. To render the log files in a browser, copy the two style sheet
files into the same directory where the exported XML documents are located.</p>
<p>If you are using Google Chrome, the files must be accessed over HTTP as Chrome
limits local file access for security reasons. The standard Python installation
includes a basic HTTP server that can be launched to serve the current
directory with the <code>python –m SimpleHTTPServer 8000</code> command. After launching the server, just point the Chrome browser to <code>http://localhost:8000</code> to view the test log.</p>
<h3 id=conversion_to_a_junit_test_log>Conversion to a JUnit test log</h3>
<p>Many test automation systems can generate test run result reports from JUnit
output. The deqp test log files can be converted to the JUnit output format
using the testlog-to-junit tool. </p>
<p>The tool currently supports translating the test case verdict only. As JUnit
supports only "pass" and "fail" results, a passing result of the deqp is mapped
to "JUnit pass" and other results are considered failures. The original deqp
result code is available in the JUnit output. Other data, such as log messages
and result images, are not preserved in the conversion.</p>
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