[gentoo-dev] Re: controlling src_test

[Ryan Hill <dirtyepic@gentoo.org>]

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Ryan Hill wrote:
> Rémi Cardona wrote:
>> Ravi Pinjala a écrit :
>>> I, for one, would like to be able to control whether or not to run tests
>>> that take a huge amount of time to run. Some test suites are
>>> ridiculously comprehensive, and if we could have an option to disable
>>> only those, or even run a reduced test suite, that'd be pretty neat.
>> We've already had this discussion before [1] and there is no
>> one-size-fits-all solution for tagging tests.
>>
>> Ryan's plan only proposes to enable/disable tests based on whether they
>> can run inside a sandbox. That much is doable. Trying to quantify the
>> time a test suite will take to complete is impossible : different
>> arches, vastly different CPU clock speeds, same for HDDs sizes and
>> speeds, ... is impossible.
> 
> I usually disable tests on a per-package basis using /etc/portage/env
> entries.
> 
> dirtyepic@tycho ~ $ cat /etc/portage/env/sci-libs/fftw
> NEWFEATURES=
> 
> for f in ${FEATURES}; do
>     if [[ ! $f == "test" ]]; then
>         NEWFEATURES="${NEWFEATURES} $f"
>     fi
> done
> 
> FEATURES="${NEWFEATURES}"

here's a crappy little script to automate it.

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                  fonts / wxWindows / gcc-porting / treecleaners
  EFFD 380E 047A 4B51 D2BD  C64F 8AA8 8346 F9A4 0662 (0xF9A40662)

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#!/bin/bash -
#
# defeature - disable a FEATURE on a per-package basis.
#
# <dirtyepic@gentoo.org>

source /usr/lib/portage/bin/isolated-functions.sh

defeature() {
	if [[ ! $# -eq 2 ]]; then
		echo
		eerror "Usage:  $(basename $0) <FEATURE> <pkgname>"
		echo
		exit 1
	fi

	local pkgcat pkgname

	pkgcat=${!#%%/*}
	pkgname=${!###/*}

	if [[ $(equery w =${pkgname} 2>&1 | grep "No masked" ) ]]; then
		echo
		eerror "No package found matching \"${pkgname}\"."
		echo
		exit 1
	fi

	[[ $pkgcat == $pkgname ]] && pkgcat=

	if [[ -z ${pkgcat} ]]; then

		# Need a better way to get category - use udept for now

		# check for ambiguous package names
		if [[ $(dep -1c ${pkgname} | awk 'END { print NR }') -gt 1 ]]; then
			echo
			eerror "Found multiple categories for \"${pkgname}\"."
			eerror "Please use a fully qualified package name (cat/package)."
			echo
			exit 1
		fi

		pkgcat="$(dep -1c ${pkgname})"
	    # strip whitespace
		pkgcat="${pkgcat// /}"
	fi

	[[ ! -d /etc/portage/env/${pkgcat} ]] \
		&& sudo mkdir -p /etc/portage/env/${pkgcat}

	# note that this overwrites anything already in the file
	cat > /etc/portage/env/${pkgcat}/${pkgname} <<-EOF
		NEWFEATURES=

		for f in \${FEATURES}; do
		    if [[ ! \$f == "${1}" ]]; then
				NEWFEATURES="\${NEWFEATURES} \$f"
			fi
		done

		FEATURES="\${NEWFEATURES}"
	EOF

	if [[ $? -eq 0 ]]; then
		echo
		einfo "${1} FEATURE disabled for ${pkgcat}/${pkgname}."
		echo
	fi

	exit 0
}

defeature "$@"