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140 lines
5.1 KiB
Plaintext
140 lines
5.1 KiB
Plaintext
FATE Automated Testing Environment
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==================================
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FATE is an extended regression suite on the client-side and a means
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for results aggregation and presentation on the server-side.
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The first part of this document explains how you can use FATE from
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your FFmpeg source directory to test your ffmpeg binary. The second
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part describes how you can run FATE to submit the results to FFmpeg's
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FATE server.
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In any way you can have a look at the publicly viewable FATE results
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by visiting this website:
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http://fate.ffmpeg.org/
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This is especially recommended for all people contributing source
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code to FFmpeg, as it can be seen if some test on some platform broke
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with there recent contribution. This usually happens on the platforms
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the developers could not test on.
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The second part of this document describes how you can run FATE to
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submit your results to FFmpeg's FATE server. If you want to submit your
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results be sure to check that your combination of CPU, OS and compiler
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is not already listed on the above mentioned website.
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In the third part you can find a comprehensive listing of FATE makefile
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targets and variables.
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1. Using FATE from your FFmpeg source directory
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-----------------------------------------------
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If you want to run FATE on your machine you need to have the samples
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in place. You can get the samples via the build target fate-rsync.
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Use this command from the top-level source directory:
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# make fate-rsync SAMPLES=fate-suite/
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# make fate SAMPLES=fate-suite/
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The above commands set the samples location by passing a makefile
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variable via command line. It is also possible to set the samples
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location at source configuration time by invoking configure with
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`--samples=<path to the samples directory>'. Afterwards you can
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invoke the makefile targets without setting the SAMPLES makefile
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variable. This is illustrated by the following commands:
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# ./configure --samples=fate-suite/
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# make fate-rsync
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# make fate
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Yet another way to tell FATE about the location of the sample
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directory is by making sure the environment variable FATE_SAMPLES
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contains the path to your samples directory. This can be achieved
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by e.g. putting that variable in your shell profile or by setting
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it in your interactive session.
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# FATE_SAMPLES=fate-suite/ make fate
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NOTE:
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Do not put a '~' character in the samples path to indicate a home
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directory. Because of shell nuances, this will cause FATE to fail.
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2. Submitting the results to the FFmpeg result aggregation server
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-----------------------------------------------------------------
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To submit your results to the server you should run fate through the
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shell script tests/fate.sh from the FFmpeg sources. This script needs
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to be invoked with a configuration file as its first argument.
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# tests/fate.sh /path/to/fate_config
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A configuration file template with comments describing the individual
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configuration variables can be found at tests/fate_config.sh.template .
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Create a configuration that suits your needs, based on the configuration
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template. The `slot' configuration variable can be any string that is not
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yet used, but it is suggested that you name it adhering to the following
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pattern <arch>-<os>-<compiler>-<compiler version>. The configuration file
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itself will be sourced in a shell script, therefore all shell features may
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be used. This enables you to setup the environment as you need it for your
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build.
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For your first test runs the `fate_recv' variable should be empty or
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commented out. This will run everything as normal except that it will omit
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the submission of the results to the server. The following files should be
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present in $workdir as specified in the configuration file:
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- configure.log
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- compile.log
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- test.log
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- report
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- version
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When you have everything working properly you can create an SSH key and
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send its public part to the FATE server administrator.
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Configure your SSH client to use public key authentication with that key
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when connecting to the FATE server. Also do not forget to check the identity
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of the server and to accept its host key. This can usually be achieved by
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running your SSH client manually and killing it after you accepted the key.
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The FATE server's fingerprint is:
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b1:31:c8:79:3f:04:1d:f8:f2:23:26:5a:fd:55:fa:92
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The only thing left is to automate the execution of the fate.sh script and
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the synchronisation of the samples directory.
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3. FATE makefile targets and variables
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--------------------------------------
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FATE Makefile targets:
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fate-list
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Will list all fate/regression test targets.
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fate
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Run the FATE test suite (requires the fate-suite dataset).
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FATE Makefile variables:
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V
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Verbosity level, can be set to 0, 1 or 2.
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* 0: show just the test arguments
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* 1: show just the command used in the test
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* 2: show everything
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SAMPLES
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Specify or override the path to the FATE samples at make time, it has a
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meaning only while running the regression tests.
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THREADS
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Specify how many threads to use while running regression tests, it is
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quite useful to detect thread-related regressions.
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Example:
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make V=1 SAMPLES=/var/fate/samples THREADS=2 fate
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