#!/bin/sh
# Tests for pkg-config compliance.
# * Copyright (c) 2012 Michał Górny <mgorny@gentoo.org>.

done=0
failed=0

run_test() {
	local res t_ret 2>/dev/null || true
	local cmdline 2>/dev/null || true

	cmdline="${1}"

	eval res="\$(${1})" 2>/dev/null

	t_ret=0
	while [ ${#} -gt 1 ]; do
		shift

		case "${res}" in
			*${1}*)
				;;
			*)
				echo
				echo "***********************"
				echo "!!! Test $done failed."
				echo "!!! $ ${cmdline}"
				echo "!!! ${res}"
				echo "!!! expected '${1}' in output"
				echo "***********************"
				t_ret=1
				;;
		esac
	done

	if [ ${t_ret} -eq 0 ]; then
		echo -n "."
	else
		failed=$(( failed + 1 ))
	fi
	done=$(( done + 1 ))
}

selfdir=$(cd "$(dirname "${0}")"; pwd)

# 1) overall 'is it working?' test
run_test "PKG_CONFIG_PATH=${selfdir}/lib1 ${1} --libs foo" \
	'-lfoo'
run_test "PKG_CONFIG_PATH=${selfdir}/lib1 ${1} --cflags --libs foo" \
	'-lfoo' '-I/usr/include/foo' '-fPIC'
run_test "PKG_CONFIG_PATH=${selfdir}/lib1 ${1} --cflags --libs 'foo > 1.2'" \
	'-lfoo' '-I/usr/include/foo' '-fPIC'
run_test "PKG_CONFIG_PATH=${selfdir}/lib1 ${1} --cflags --libs 'foo > 1.2 bar >= 1.3'" \
	'-lfoo' '-I/usr/include/foo' '-fPIC'
run_test "PKG_CONFIG_PATH=${selfdir}/lib1 ${1} --cflags --libs 'foo' '>' '1.2'" \
	'-lfoo' '-I/usr/include/foo' '-fPIC'
run_test "PKG_CONFIG_PATH=${selfdir}/lib1 ${1} --exists 'foo > 1.2'; echo \$?" \
	'0'
run_test "PKG_CONFIG_PATH=${selfdir}/lib1 ${1} --exists 'foo > 1.2.3'; echo \$?" \
	'1'
run_test "PKG_CONFIG_PATH=${selfdir}/lib1 ${1} --exists 'foo' '>' '1.2'; echo \$?" \
	'0'
run_test "PKG_CONFIG_PATH=${selfdir}/lib1 ${1} --uninstalled 'foo'; echo \$?" \
	'1'
run_test "PKG_CONFIG_PATH=${selfdir}/lib1 ${1} --uninstalled 'omg'; echo \$?" \
	'0'
run_test "${1} --modversion ${selfdir}/lib1/foo.pc" \
	'1.2.3'
run_test "PKG_CONFIG_PATH=${selfdir}/lib1 ${1} --exists 'foo >= '; echo \$?" \
	'1'
run_test "PKG_CONFIG_PATH=${selfdir}/lib1 ${1} --exists 'tilde <= 1.0.0'; echo \$?" \
	'0'
run_test "PKG_CONFIG_PATH=${selfdir}/lib1 ${1} --exists 'tilde = 1.0.0~rc1'; echo \$?" \
	'0'
run_test "PKG_CONFIG_PATH=${selfdir}/lib1 ${1} --exists 'tilde >= 1.0.0'; echo \$?" \
	'1'
run_test "PKG_CONFIG_PATH=${selfdir}/lib1 ${1} --exists '' 'foo'; echo \$?" \
	'0'

# 2) tests for PKG_CONFIG_PATH order
run_test "PKG_CONFIG_PATH=${selfdir}/lib1:${selfdir}/lib2 ${1} --libs foo" \
	'-lfoo'
run_test "PKG_CONFIG_PATH=${selfdir}/lib2:${selfdir}/lib1 ${1} --libs foo" \
	'-lbar'

# 3) tests for 'Requires' and 'Requires.private'
run_test "PKG_CONFIG_PATH=${selfdir}/lib1 ${1} --libs bar" \
	'-lfoo' '-lbar'
run_test "PKG_CONFIG_PATH=${selfdir}/lib1 ${1} --libs --cflags baz" \
	'-lbaz' '-fPIC' '-I/usr/include/foo'
run_test "PKG_CONFIG_PATH=${selfdir}/lib1 ${1} --static --libs baz" \
	'-lfoo' '-lbaz' '-lzee'
run_test "PKG_CONFIG_PATH=${selfdir}/lib1 ${1} --static --libs argv-parse-2" \
	'-pthread '

# 4) tests for parser bugs
run_test "PKG_CONFIG_PATH=${selfdir}/lib1 ${1} --libs dos-lineendings" \
	'-L/usr/lib/dos-lineendings -ldos-lineendings'
run_test "PKG_CONFIG_PATH=${selfdir}/lib1 ${1} --libs argv-parse" \
	'-llib-2 -lpthread'
run_test "PKG_CONFIG_PATH=${selfdir}/lib1 ${1} --exists -foo; echo \$?" \
	'1'

# 5) tests for other regressions
run_test "PKG_CONFIG_PATH=${selfdir}/lib1 ${1} --variable=includedir foo" \
	'/usr/include'
run_test "PKG_CONFIG_PATH=${selfdir}/lib1 ${1} --libs-only-L cflags-libs-only" \
	'-L/usr/local/lib'
run_test "PKG_CONFIG_PATH=${selfdir}/lib1 ${1} --libs-only-L --libs-only-l cflags-libs-only" \
	'-lfoo'
run_test "PKG_CONFIG_PATH=${selfdir}/lib1 ${1} --cflags-only-I --cflags-only-other cflags-libs-only" \
	'-I/usr/local/include'

# 6) tests for builtins
run_test "PKG_CONFIG_PATH=${selfdir}/lib1 ${1} --modversion pkg-config" \
	'0.27'
run_test "PKG_CONFIG_PATH=${selfdir}/lib1 ${1} --variable=prefix foo" \
	'/usr'
run_test "PKG_CONFIG_PATH=${selfdir}/lib1 ${1} --define-variable=prefix=/test --variable=prefix foo" \
	'/test'
run_test "PKG_CONFIG_PATH=${selfdir}/lib1 ${1} --variable=pcfiledir foo" \
	"${selfdir}/lib1"

# 7) tests for env modifiers
run_test "PKG_CONFIG_PATH=${selfdir}/lib1 PKG_CONFIG_SYSROOT_DIR=/test ${1} --cflags baz" \
	'-I/test/usr/include/foo'

# 8) tests for 'Conflicts'
run_test "PKG_CONFIG_PATH=${selfdir}/lib1 ${1} --libs conflicts; echo \$?" \
	'1'
run_test "PKG_CONFIG_PATH=${selfdir}/lib1 ${1} --ignore-conflicts --libs conflicts; echo \$?" \
	'-lconflicts' '0'

# 9) tests for --atleast-version (with and without trailing space)
run_test "PKG_CONFIG_PATH=${selfdir}/lib1 ${1} --atleast-version 1.0 foo; echo \$?" \
	'0'
run_test "PKG_CONFIG_PATH=${selfdir}/lib1 ${1} --atleast-version 2.0 foo; echo \$?" \
	'1'
run_test "PKG_CONFIG_PATH=${selfdir}/lib1 ${1} --exact-version 1.0 foo; echo \$?" \
	'1'
run_test "PKG_CONFIG_PATH=${selfdir}/lib1 ${1} --exact-version 1.2.3 foo; echo \$?" \
	'0'
run_test "PKG_CONFIG_PATH=${selfdir}/lib1 ${1} --max-version 1.0 foo; echo \$?" \
	'1'
run_test "PKG_CONFIG_PATH=${selfdir}/lib1 ${1} --max-version 2.0 foo; echo \$?" \
	'0'

#    tests for issue #20
run_test "PKG_CONFIG_PATH=${selfdir}/lib1 ${1} --atleast-version 1.0 'foo '; echo \$?" \
	'0'
run_test "PKG_CONFIG_PATH=${selfdir}/lib1 ${1} --atleast-version 2.0 'foo '; echo \$?" \
	'1'
run_test "PKG_CONFIG_PATH=${selfdir}/lib1 ${1} --exact-version 1.0 'foo '; echo \$?" \
	'1'
run_test "PKG_CONFIG_PATH=${selfdir}/lib1 ${1} --exact-version 1.2.3 'foo '; echo \$?" \
	'0'
run_test "PKG_CONFIG_PATH=${selfdir}/lib1 ${1} --max-version 1.0 'foo '; echo \$?" \
	'1'
run_test "PKG_CONFIG_PATH=${selfdir}/lib1 ${1} --max-version 2.0 'foo '; echo \$?" \
	'0'

# 10) tests for internal getopt implementation with options at the end
if [ "x@STRICT_MODE@" = "xno" ]; then
	run_test "PKG_CONFIG_PATH=${selfdir}/lib1 ${1} foo --libs" \
		'-lfoo'
	run_test "PKG_CONFIG_PATH=${selfdir}/lib1 ${1} foo --cflags --libs" \
		'-lfoo' '-I/usr/include/foo' '-fPIC'
	run_test "PKG_CONFIG_PATH=${selfdir}/lib1 ${1} --cflags foo --libs" \
		'-lfoo' '-I/usr/include/foo' '-fPIC'
fi

echo

if [ ${failed} -gt 0 ]; then
	echo "${failed} of ${done} tests failed. See output for details." >&2
	exit 1
else
	echo "${done} tests done. All succeeded." >&2
	exit 0
fi