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This can be useful to filter out noise in known-broken scenarios like miscompilation by legacy compilers and similar. Originally based on a patch by Diego Biurrun. Signed-off-by: Diego Biurrun <diego@biurrun.de>
177 lines
5.1 KiB
Plaintext
177 lines
5.1 KiB
Plaintext
\input texinfo @c -*- texinfo -*-
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@settitle FATE Automated Testing Environment
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@titlepage
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@center @titlefont{FATE Automated Testing Environment}
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@end titlepage
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@top
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@contents
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@chapter Introduction
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FATE provides a regression test suite embedded within the Libav build system.
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It can be run locally and optionally configured to send reports to a web
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aggregator and viewer @url{http://fate.libav.org}.
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It is advised to run FATE before submitting patches to the current codebase
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and provide new tests when submitting patches to add additional features.
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@chapter Running FATE
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@section Samples and References
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In order to run, FATE needs a large amount of data (samples and references)
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that is provided separately from the actual source distribution.
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To inform the build system about the test suite location, pass
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@option{--samples=<path to the samples>} to @command{configure} or set the
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@var{SAMPLES} Make variable or the @var{LIBAV_SAMPLES} environment variable
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to a suitable value.
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To use a custom wrapper to run the test, pass @option{--target-exec} to
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@command{configure} or set the @var{TARGET_EXEC} Make variable.
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The dataset is available through @command{rsync}, is possible to fetch
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the current sample using the straight rsync command or through a specific
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@ref{Makefile target}.
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@example
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# rsync -aL rsync://fate-suite.libav.org/fate-suite/ fate-suite
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@end example
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@example
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# make fate-rsync SAMPLES=fate-suite
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@end example
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@chapter Manual Run
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FATE regression test can be run through @command{make}.
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Specific Makefile targets and Makefile variables are available:
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@anchor{Makefile target}
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@section FATE Makefile targets
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@table @option
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@item fate-list
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List all fate/regression test targets.
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@item fate-rsync
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Shortcut to download the fate test samples to the specified test suite location.
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@item fate
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Run the FATE test suite (requires the fate-suite dataset).
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@end table
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@section FATE Makefile variables
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@table @option
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@item V
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Verbosity level, can be set to 0, 1 or 2.
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@table @option
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@item 0
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show just the test arguments
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@item 1
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show just the command used in the test
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@item 2
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show everything
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@end table
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@item 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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@item 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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@item THREAD_TYPE
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Specify which threading strategy test, either @var{slice} or @var{frame},
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by default @var{slice+frame}
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@item CPUFLAGS
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Specify a mask to be applied to autodetected CPU flags.
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@item TARGET_EXEC
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Specify or override the wrapper used to run the tests.
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@item GEN
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Set to @var{1} to generate the missing or mismatched references.
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@item HWACCEL
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Specify which hardware acceleration to use while running regression tests,
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by default none is used.
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@end table
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@example
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make V=1 SAMPLES=/var/fate/samples THREADS=2 CPUFLAGS=mmx fate
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@end example
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@chapter Automated Tests
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In order to automatically testing specific configurations, e.g. multiple
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compilers, @command{tests/fate.sh} is provided.
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This shell script builds Libav, runs the regression tests and prepares
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a report that can be sent to @url{http://fate.libav.org/} or directly
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examined locally.
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@section Testing Profiles
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The configuration file passed to @command{fate.sh} is shell scripts as well.
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It must provide at least a @var{slot} identifier, the @var{repo} from
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which fetch the sources, the @var{samples} directory, a @var{workdir} with
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enough space to build and run all the tests.
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Optional submit command @var{fate_recv} and a @var{comment} to describe
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the testing profile are available.
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Additional optional parameter to tune the Libav building and reporting process
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can be passed.
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@example
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slot= # some unique identifier
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repo=git://git.libav.org/libav.git # the source repository
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#branch=release/10 # the branch to test
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samples=/path/to/fate/samples
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workdir= # directory in which to do all the work
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fate_recv="ssh -T fate@@fate.libav.org" # command to submit report
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comment= # optional description
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build_only= # set to "yes" for a compile-only instance that skips tests
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ignore_tests=
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# the following are optional and map to configure options
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arch=
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cpu=
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cross_prefix=
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as=
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cc=
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ld=
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target_os=
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sysroot=
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target_exec=
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target_path=
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target_samples=
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extra_cflags=
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extra_ldflags=
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extra_libs=
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extra_conf= # extra configure options not covered above
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#make= # name of GNU make if not 'make'
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makeopts= # extra options passed to 'make'
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#makeopts_fate= # extra options passed to 'make' when running tests,
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# defaulting to makeopts above if this is not set
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#tar= # command to create a tar archive from its arguments on
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# stdout, defaults to 'tar c'
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@end example
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@section Special Instances
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The @var{TARGET_EXEC} option provides a way to run FATE wrapped in
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@command{valgrind}, @command{qemu-user} or @command{wine} or on remote targets
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through @command{ssh}.
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@section Submitting Reports
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In order to send reports you need to create an @command{ssh} key and send it
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to @email{root@@libav.org}.
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