#!/usr/bin/env zsh
setopt err_exit

trap "print -P '\n%N:%i: %B%F{red}Test faild!%F{default}%b'" ZERR

function stringcmp {
	diff -u <(echo $1) <(echo $2)
}

test_pdir=$(mktemp -dt pkgdir.XXXXXX)
test_proot=$(mktemp -dt pkgroot.XXXXXX)
test_home=$(mktemp -dt pkghome.XXXXXX)

cat << meow
test directories:
	PDIR = $test_pdir
	PKG_ROOT = $test_proot
	HOME = $test_home
meow

echo "# setting up PKG_ROOT"
cd $test_proot
git clone ${1-git://git.tabularazor.org/~derf/pkg} core
cp core/include/pkglist pkglist
for repo in ra rb rc; (
	mkdir $repo
	cd $repo
	git init
	touch foo
	mkdir bin
	touch bin/$repo
	chmod 755 bin/$repo
	git add .
	git commit -m 'initial commit'
)

echo "# bootstrapping PDIR"
cd $test_home
export HOME=$test_home
$test_proot/core/include/bootstrap $test_proot $test_pdir

echo "# checking for success"
[[ -e $test_home/.pkg.conf ]]
[[ -d $test_proot/core ]]
[[ -d $test_pdir/core ]]
[[ -L $test_home/bin/pkg ]]
[[ -L $test_home/bin/checklinks ]]
[[ -x $(readlink $test_home/bin/pkg) ]]
[[ -x $(readlink $test_home/bin/checklinks) ]]

echo "# pkg list local"
stringcmp "core" "$(pkg list)"
stringcmp "core" "$(pkg list local)"

echo "# pkg list not-installed"
stringcmp "ra\nrb\nrc" "$(pkg list not-installed)"

echo "# pkg list all"
stringcmp "core\nra\nrb\nrc" "$(pkg list all)"

echo "# pkg add (no such repo)"
! pkg add weltfrieden

echo "# pkg add (already installed)"
! pkg add core

echo "# pkg add (ok)"
pkg add ra
[[ -e $test_pdir/ra/foo ]]
[[ -d $test_pdir/ra/.git ]]

echo "# pkg add (already installed)"
! pkg add ra

echo "# populate_collected (~/bin)"
[[ -L $test_home/bin/ra ]]
[[ -x $(readlink $test_home/bin/ra) ]]

repeat 2 {
	echo "# pkg list"
	stringcmp "core\nra" "$(pkg list local)"
	stringcmp "rb\nrc" "$(pkg list not-installed)"
	stringcmp "core\nra\nrb\nrc" "$(pkg list remote)"
	pkg update
}

echo "# pkg remove (not installed/nonexistent)"
! pkg remove suckage
! pkg remove rb

echo "# pkg remove (ok)"
pkg remove ra

echo "# genocide_collected (~/bin)"
[[ ! -L $test_home/bin/ra ]]

repeat 2 {
	echo "# pkg list"
	stringcmp "core" "$(pkg list local)"
	stringcmp "ra\nrb\nrc" "$(pkg list not-installed)"
	stringcmp "core\nra\nrb\nrc" "$(pkg list remote)"
	pkg update
}

rm -rf $test_pdir $test_proot $test_home

print -P '%F{green} test passed%F{default}'