298 lines
12 KiB
Plaintext
298 lines
12 KiB
Plaintext
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------------------------------------------------------------------------------
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http:libburnia-project.org
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------------------------------------------------------------------------------
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libisoburn/releng. By George Danchev <danchev@spnet.net>
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and Thomas Schmitt <scdbackup@gmx.net>
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Test suite for xorriso and libburnia libraries.
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Copyright (C) 2011 - 2012 George Danchev, Thomas Schmitt
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Provided under GPL version 2 or later.
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------------------------------------------------------------------------------
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The impatient tester will build libisoburn according to its README and then do
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cd ./releng
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./run_all_auto -x ../xorriso/xorriso
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More patient testers will first read the following description.
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Those who simply lack the interpreter /bin/bash, may do
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./change_shell_to_use
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and then retry.
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The test suite
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Directory ./releng of libisoburn contains a collection of test scripts and
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auxiliary data. They exercise some typical use cases of building libisoburn
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applications and running the ISO 9660 filesystem manipulation and CD/DVD/BD
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burn program xorriso.
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It is assumed that libburn and libisofs are installed, so that libisoburn
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can be configured and built. It is not mandatory that libisoburn is already
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installed. The tests may use an installed xorriso program as well as a
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freshly built one.
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The test scripts explicitely demand /bin/bash as interpreter, although they
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would run on certain other shells too. If you get an error message like
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./run_all_auto: not found
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then consider to install /bin/bash.
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If you decide against that, see below "Alternative Shells".
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There are two groups of test scripts:
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auto_* gets started and watched by script run_all_auto.
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These tests have a moderate resource consumption and do
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not cause mechanical movements of drive trays.
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manual_* gets started by the user if desired.
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Manual tests may create larger sets of temporary files,
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may download test data from the internet, may need
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system privileges beyond the reach of a sandbox user,
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and operate the mechanics of a CD drive.
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Running automated tests
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The test scripts expect to get run while the working directory is
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./releng
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of a libisoburn source tree. E.g.: libisoburn-1.1.4/releng
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They create all their temporary files underneath
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./releng/releng_generated_data
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Some of these files are persistent between tests.
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Nevertheless it is safe to empty ./releng/releng_generated_data after
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tests are done. The directory itself must be kept.
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To run the unobtrusive automatic tests, build libisoburn and xorriso,
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go to directory ./releng, and execute
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./run_all_auto -x ../xorriso/xorriso
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or if you want to use an installed xorriso program:
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./run_all_auto -x $(which xorriso)
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./run_all_auto -x $(type -p xorriso)
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There are several options which work with run_all_auto and any single test.
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-x absolute or relative path to xorriso binary to be run.
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-k keep self-generated data.
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-c cleanup temporary data kept from previous run and exit.
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-f simulate failure.
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-h print this help text.
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-- end of general options, begin of test specific options.
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After option "--", there may be given options which are specific to
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particular manually executable test scripts.
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Manually executable tests
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Currently there are the following tests which should have the attention of
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the user or require sysadmin considerations before they are run:
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./manual_devices -x ../xorriso/xorriso [-- [--dev device_file_to_use]
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[--priv_cmd 'command [arg [arg ...]]']]
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Exercises listing of all accessible optical drives and the examination of
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a one of these drives. The user needs the permission to operate the CD
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drives. This might involve the need for superuser authority.
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The media tray of the examined drive will get loaded if it is not already.
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If no option --dev is given, then the user gets asked which of the listed
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drives to examine more closely.
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If a privilege command and optional arguments are given with --priv_cmd,
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then this command and arguments are used to launch the xorriso runs.
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Command and arguments must be single words and be submitted altogether
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as one single argument. On Solaris use: --priv_cmd pfexec
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./manual_burn -x ../xorriso/xorriso [-- [--dev device_file_to_use]
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[--priv_cmd 'command [arg [arg ...]]']
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[--what ...directory...] [--any_media]]
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Burns the content of the directory given with --what onto re-usable
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media: CD-RW, DVD-RW, DVD-RAM, DVD+RW, BD-RE.
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Other media types get refused, unless option --any_media is given.
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Data, which are possibly present on the media, get overwritten.
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The result gets check read and compared with the state of the input
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directory. MD5 mismatch causes a test failure. Differences to the directory
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state are reported but still regarded as success.
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If a privilege command and optional arguments are given with --priv_cmd,
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then this command and arguments are used to launch the xorriso runs.
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Command and arguments must be single words and be submitted altogether
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as one single argument. On Solaris use:
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--priv_cmd pfexec
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./manual_isojigdo -x ../xorriso/xorriso
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Exercises the production of a bootable Debian GNU/Linux image and its Jigdo
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files. This test downloads a Debian daily image for i386 of about 270 MB,
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extracts its content and composes a new image. Thus it needs about 850 MB
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of disk space in releng/releng_generated_data when unpacked. Adding the daily
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image size itself, the total space used would peak at about 1.2 GB.
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This test will only work with GNU xorriso or if libjte was installed already
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when libisofs was built. Further it needs the program jigit-mkimage. Both
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are part of package jigit, version >= 1.18, available at:
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http://www.einval.com/~steve/software/JTE/
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Currently jigit builds only in GNU environments.
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Any auto_* script can be run on its own. Some of them demand option -x.
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All general options are accepted.
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./auto_cxx
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Not included in GNU xorriso.
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Exercises inclusion of xorriso/xorriso.h and libisoburn/libisoburn.h
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in C++ programs and linking of the libraries. It might be necessary
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to set compiler options by shell variable CFLAGS before running the test.
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It might be necessary to hand over the install directory of libburn and
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libisofs in shell variable LD_LIBRARY_PATH.
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E.g. if on FreeBSD the include headers libisofs.h , libburn.h are not found:
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export CFLAGS="-I/usr/local/include"
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E.g. on GNU/Hurd, where libburn and libisofs are not found by the linker:
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export LD_LIBRARY_PATH="/usr/local/lib"
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./auto_isocontent -x ../xorriso/xorriso
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Tests whether xorriso is able to record and restore two familes of
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hard links.
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./auto_printsize -x ../xorriso/xorriso
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Tests how long xorriso needs to compose a medium sized directory tree.
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If programs mkisofs and/or genisomage are availaible, then the same test
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is done with them.
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----------------------------------------------------------------------------
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What to do with FAIL results
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The text output of the automatic tests is recorded in file
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releng_generated_data/log.run_all_auto
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Script ./run_all_auto will detect failure of particular tests and report
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lines from the log file which contain problem indicating keywords:
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NEVER,ABORT,FATAL,FAILURE,MISHAP,SORRY,WARNING,HINT,FAIL,ERROR,WRONG
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If the program messages in log.run_all_auto do not explain the failure,
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please contact mailing list libburn-hackers@pykix.org .
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----------------------------------------------------------------------------
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Alternative Shells
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If you decided against installing /bin/bash, you may try to use your
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current $SHELL by running
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./change_shell_to_use
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which will modify the test scripts named run_all_auto , auto_* ,manual_*.
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Known to be suitable are the following shells
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GNU/Linux: /bin/bash
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FreeBSD 8: /bin/sh
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Solaris: /bin/bash , /bin/i86/ksh93
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In general, the shell should have Bourne shell ancestry.
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The script does not choose an interpreter explicitely and is safe to be run
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inline:
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. ./change_shell_to_use
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One may set any interpreter path by running a sub shell and changing its
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variable SHELL. E.g. by:
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( SHELL=/bin/my_shell" ; . ./change_shell_to_use )
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----------------------------------------------------------------------------
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Creating a new test script
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If you want to provide an own test, manual or auto, then first invent a name
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for it
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test_name="releng/manual_"...some.name...
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or
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test_name="releng/auto_"...some.name...
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Then copy file releng/template_new to $test_name.
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Edit $test_name and process any line that begins by "# === TEMPLATE:".
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Do what the line prescribes and then remove it from the script. You are
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not done as long as such a line remains.
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Your test must not start if no file
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./inc/releng_getopts.inc
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exists, i.e. if the current working directory is not ./releng.
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If your test creates own files on disk, then it must do this underneath
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directory
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./releng_generated_data/$test_name (or $GEN_DATA_DIR, see below).
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In case of failure, issue a line to stdout that begins by the word "FAIL",
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followed by " : " and the name of the test (e.g. $SELF, see below).
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Make sure that the test script finally returns a non-zero exit value.
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This value should be between 1 and 28. Each type of failure should have its
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own exit value.
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Predefined are:
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31 = Unknown option or unusable argument with known option
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30 = Unexpected state of own directory for self generated files
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29 = Not in ./releng directory or missing essential parts of ./releng
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When exiting prematurely, make sure to call function cleanup.
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Variables, general options, helper functions
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The master script run_all_auto sets this variable:
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RELENG_SCRIPT_RUN_BY_RUN_ALL_AUTO
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1=supervised, the script is run by run_all_auto script
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else=standalone, the script is run in standalone mode
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The code piece inc/releng_getopts.inc should get executed inline at the
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start of a test script. It initializes the following variables and sets
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some of them according to the general options of the test suite:
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SELF basename $0
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GEN_DATA_DIR releng_generated_data/${SELF}
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RELENG_XORRISO Path to xorriso binary. "" or "0" means no xorriso.
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Default "0". Adjustable by option -x.
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SIMULATE_FAILURE 0=normal operation, 1=test script shall simulate a failure.
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Default 0. Setable to 1 by option -f.
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CLEANUP 0=do not cleanup temporary data, 1=normal operation
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Default 1. Setable to 0 by option -k.
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SPECIFIC_HELP 0=normal operation, 1=print help text of script and exit 0
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Default 0. Setable to 1 by option -h.
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The code piece inc/releng_getopts.inc defines the following functions
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for use by the single tests:
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standalone_or_supervised This is internally called routine to print out
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the running mode of the scripts - standalone,
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supervised by run_all_auto.
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No need to call it from the scripts themselves.
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print_help Prints the help text for general options.
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check_for_xorriso [-x]
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Will exit with value 31 if no path to a xorriso binary
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was defined by option -x of ./run_all_auto or a single
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test.
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Option -x of check_for_xorriso additionally tests whether
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the given path leads to an executable program.
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cleanup Removes the directory tree GEN_DATA_DIR after making
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some safety checks.
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boldify Try to set the terminal mode for future output to a more
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noticable style of writing.
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unboldify Reset terminal mode to normal style of writing.
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Specific options
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Options which are specific to the test should begin with a double dash.
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They may have further arguments.
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Implement them in the prepared interpreter loop which begins after line
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next_is=ignore
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Specific options shall only be interpreted by tests which get run manually.
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If you plan to introduce a specific option, look at the description of
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existing tests whether one of them would match your needs. In that case,
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please re-use the name of that existing option.
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