#!/bin/sh

set -eu

. "$(dirname "$0")/shared-functions.sh"

testname1="$(basename "$0")-a"
testname2="$(basename "$0")-b"
pkgname1="libnss-test-$testname1"
pkgname2="libnss-test-$testname2"

nss_lines1="
hosts first mynss_a1
hosts last  mynss_a2 [NOTFOUND=return]"

nss_lines2="
hosts after=mynss_a2 mynss_b1
hosts before=dns mynss_b2"


expected_services_initial="files dns"
expected_services_after_inst1="mynss_a1 files dns mynss_a2 [NOTFOUND=return]"
expected_services_after_inst2="mynss_a1 files mynss_b2 dns mynss_a2 [NOTFOUND=return] mynss_b1"
expected_services_after_rm1="files mynss_b2 dns mynss_b1"
expected_services_after_rm2="$expected_services_initial"

echo "Set up and build test packages..."
cd "$AUTOPKGTEST_TMP"
mkdir "$pkgname1"
cd "$pkgname1"
setup_pkg "$pkgname1" "$testname1"
build_pkg "$pkgname1" "1.1" "$nss_lines1"

cd "$AUTOPKGTEST_TMP"
mkdir "$pkgname2"
cd "$pkgname2"
setup_pkg "$pkgname2" "$testname2"
build_pkg "$pkgname2" "2.2" "$nss_lines2"

cd "$AUTOPKGTEST_TMP"

echo "Set up /etc/nsswitch.conf..."
echo "$NSSWITCH_CONF" > /etc/nsswitch.conf
check_line "hosts" "$expected_services_initial"

echo "Test that installing package A installs the services..."
dpkg --install "${pkgname1}_1.1_all.deb"
check_line "hosts" "$expected_services_after_inst1"

echo "Test that installing package B installs the other services..."
dpkg --install "${pkgname2}_2.2_all.deb"
check_line "hosts" "$expected_services_after_inst2"

echo "Test that removing package A removes its services..."
dpkg --remove "$pkgname1"
check_line "hosts" "$expected_services_after_rm1"

echo "Test that removing package B removes its services..."
dpkg --remove "$pkgname2"
check_line "hosts" "$expected_services_after_rm2"