#!/bin/sh
set -e

TESTDIR="$(readlink -f "$(dirname "$0")")"
. "$TESTDIR/framework"
setupenvironment
configarchitecture 'amd64'

insertpackage 'unstable' 'okay' 'all' '1'
insertpackage 'unstable' 'upgrade' 'all' '2'
insertpackage 'unstable' 'unneeded' 'all' '1'
insertpackage 'unstable' 'unneeded2' 'all' '1' 'Depends: bad-level1'
insertpackage 'unstable' 'later' 'all' '1'

insertpackage 'unstable' 'bad-level0' 'all' '1' 'Depends: unneeded, unknown'
insertpackage 'unstable' 'bad-level1' 'all' '1' 'Depends: bad-level0'
insertpackage 'unstable' 'bad-upgrade-level0' 'all' '2' 'Depends: unneeded, unknown'
insertpackage 'unstable' 'bad-upgrade-level1' 'all' '2' 'Depends: bad-upgrade-level0 (>= 2), unneeded2'
insertpackage 'unstable' 'bad-conflict-level0' 'all' '1' 'Depends: unneeded
Conflicts: bad-conflict-level2'
insertpackage 'unstable' 'bad-conflict-level1' 'all' '1' 'Depends: bad-conflict-level0'
insertpackage 'unstable' 'bad-conflict-level2' 'all' '1' 'Depends: bad-conflict-level1, unneeded2'

insertinstalledpackage 'upgrade' 'all' '1'
insertinstalledpackage 'bad-upgrade' 'all' '1'
insertinstalledpackage 'bad-upgrade-level0' 'all' '1'
insertinstalledpackage 'bad-upgrade-level1' 'all' '1'

insertfoos() {
	insertpackage 'unstable' "foo-${1}-level0" 'all' '1' "${2}: unknown | unknown | okay | later"
	insertpackage 'unstable' "foo-${1}-level1" 'all' '1' "${2}: bad-level0 | bad-level0 | okay | later"
	insertpackage 'unstable' "foo-${1}-level2" 'all' '1' "${2}: bad-level1 | bad-level1 | okay | later"

	insertpackage 'unstable' "foo-${1}-upgrade-level0" 'all' '1' "${2}: bad-upgrade (>= 2) | okay | upgrade (>= 2) | later"
	insertpackage 'unstable' "foo-${1}-upgrade-level1" 'all' '1' "${2}: bad-upgrade-level0 (>= 2) | bad-upgrade-level0 (>= 2) | bad-level0 | okay | upgrade (>= 2) | later"
	insertpackage 'unstable' "foo-${1}-upgrade-level2" 'all' '1' "${2}: bad-upgrade-level1 (>= 2) | bad-upgrade-level1 (>= 2) | bad-level1 | okay | upgrade (>= 2) | later"

	insertpackage 'unstable' "foo-${1}-conflict" 'all' '1' "${2}: unknown | bad-conflict-level2 | okay | later"
}
insertfoos 'd' 'Depends'
insertfoos 'r' 'Recommends'

setupaptarchive

_testsuccessheadtailequal() {
	local TYPE="$1"
	shift
	msggroup "testsuccess${TYPE}equal"
	local HEADLINES="$1"
	local CMP="$2"
	shift 2
	testsuccesswithglobalerror 'testsuccess' 'EW' "$@"
	cp "${TMPWORKINGDIRECTORY}/rootdir/tmp/testsuccess.output" "${TMPWORKINGDIRECTORY}/rootdir/tmp/testsuccess${TYPE}equal.output"
	testsuccessequal "$CMP" "${TYPE}" -n "$HEADLINES" "${TMPWORKINGDIRECTORY}/rootdir/tmp/testsuccess${TYPE}equal.output"
	msggroup
}
testsuccessheadequal() {
	_testsuccessheadtailequal 'head' "$@"
}
testsuccesstailequal() {
	_testsuccessheadtailequal 'tail' "$@"
}
checkfoos() {
	msgmsg 'Install checks with foos dependency type' "$2"
	for level in 0 1 2; do
		testsuccessheadequal 7 "Reading package lists...
Building dependency tree...
The following additional packages will be installed:
  okay
The following NEW packages will be installed:
  foo-${1}-level${level} okay
0 upgraded, 2 newly installed, 0 to remove and 3 not upgraded." apt install foo-${1}-level${level} -s
		if [ "$level" = '0' ]; then NOT=2; else NOT=1; fi
		testsuccessheadequal 9 "Reading package lists...
Building dependency tree...
The following additional packages will be installed:
  upgrade
The following NEW packages will be installed:
  foo-${1}-upgrade-level${level}
The following packages will be upgraded:
  upgrade
1 upgraded, 1 newly installed, 0 to remove and $NOT not upgraded." apt install foo-${1}-upgrade-level${level} -s
	done

	testsuccessheadequal 7 "Reading package lists...
Building dependency tree...
The following additional packages will be installed:
  okay
The following NEW packages will be installed:
  foo-${1}-conflict okay
0 upgraded, 2 newly installed, 0 to remove and 3 not upgraded." apt install foo-${1}-conflict -s
}
checkfoos 'd' 'Depends'
checkfoos 'r' 'Recommends'

TEST_WITH_APTITUDE=false
msgtest 'Check if aptitude is available for additional tests'
if dpkg-checkbuilddeps -d 'aptitude' /dev/null >/dev/null 2>&1; then
	TEST_WITH_APTITUDE=true
	# we don't document aptitude config options
	sed -i -e '/^#x-apt-configure-index/ d' "$(getaptconfig)"
	msgpass
else
	msgskip 'not installed'
fi

if $TEST_WITH_APTITUDE; then
	OKAYAPTITUDE='0 packages upgraded, 2 newly installed, 0 to remove and 3 not upgraded.
Need to get 0 B of archives. After unpacking 86.0 kB will be used.
Would download/install/remove packages.'
	testsuccesstailequal 3 "$OKAYAPTITUDE" aptitude install foo-d-level2 -sy
	testsuccesstailequal 3 "$OKAYAPTITUDE" aptitude install foo-r-level2 -sy
	testsuccesstailequal 3 "$OKAYAPTITUDE" aptitude install foo-d-conflict -sy
	testsuccesstailequal 3 "$OKAYAPTITUDE" aptitude install foo-r-conflict -sy
fi

BADSOLVETEXT='Reading package lists...
Building dependency tree...
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:
'

testfailureequal "$BADSOLVETEXT
The following packages have unmet dependencies:
 bad-level0 : Depends: unknown but it is not installable
 bad-upgrade-level0 : Depends: unknown but it is not installable
E: Unable to correct problems, you have held broken packages." apt install bad-upgrade-level1 -s
testfailureequal "$BADSOLVETEXT
The following packages have unmet dependencies:
 bad-conflict-level0 : Conflicts: bad-conflict-level2 but 1 is to be installed
 bad-level0 : Depends: unknown but it is not installable
E: Unable to correct problems, you have held broken packages." apt install bad-conflict-level2 -s

if $TEST_WITH_APTITUDE; then
	testsuccesstailequal 6 'The following packages have been kept back:
  bad-upgrade-level1 
No packages will be installed, upgraded, or removed.
0 packages upgraded, 0 newly installed, 0 to remove and 3 not upgraded.
Need to get 0 B of archives. After unpacking 0 B will be used.
Would download/install/remove packages.' aptitude install bad-upgrade-level1 -sy
	# aptitude does not show the kept back message in this case…
	testsuccesstailequal 4 'No packages will be installed, upgraded, or removed.
0 packages upgraded, 0 newly installed, 0 to remove and 3 not upgraded.
Need to get 0 B of archives. After unpacking 0 B will be used.
Would download/install/remove packages.' aptitude install bad-conflict-level2 -sy
fi