#!/usr/bin/env bats
#
# This test uses the Bash Automated Testing System
# See: https://github.com/bats-core/bats-core
#
# Install instructions:
#   git clone https://github.com/bats-core/bats-core.git
#   cd bats-core
#   sudo ./install.sh /usr/local
#
# Several ways to run the test:
#   ./test_singularity_cmd.bats
#   bats test_singularity_cmd.bats
#   bats .

load test_helpers

arg_test_img="$BATS_TEST_DIRNAME/arg-test.simg"
topdir="$BATS_TEST_DIRNAME/../.."

cd "$BATS_TEST_DIRNAME"
git annex get "$arg_test_img"


@test "verifying arguments passed to singularity_cmd Docker shim" {
	pull_singularity_shim

	cd "$topdir"
	export REPRONIM_USE_DOCKER=1
	myrun scripts/singularity_cmd \
		exec "$arg_test_img" /singularity "foo bar" blah 45.5 /dir "bar;" "foo&" '${foo}'

	assert_clean_exit
	assert_equal "${lines[0]}"	'arg #1=<foo bar>'
	assert_equal "${lines[1]}"	'arg #2=<blah>'
	assert_equal "${lines[2]}"	'arg #3=<45.5>'
	assert_equal "${lines[3]}"	'arg #4=</dir>'
	assert_equal "${lines[4]}"	'arg #5=<bar;>'
	assert_equal "${lines[5]}"	'arg #6=<foo&>'
	assert_equal "${lines[6]}"	'arg #7=<${foo}>'
}


@test "verifying ability to singularity exec under /tmp subdir" {
	skip_if_travis_osx "skipping Singularity directory test on Travis OSX"
	check_subdir "$(_mktemp_dir_under /tmp)"
}

@test "verifying ability to singularity exec under /tmp subdir (explicit use of docker)" {
	skip_if_travis_osx "skipping Singularity directory test on Travis OSX"
	export REPRONIM_USE_DOCKER=1
	check_subdir "$(_mktemp_dir_under /tmp)"
}

@test "verifying ability to singularity exec under $HOME subdir" {
	skip_if_travis_osx "skipping Singularity directory test on Travis OSX"
	check_subdir "$(_mktemp_dir_under $HOME)"
}

@test "verifying ability to singularity exec under $HOME subdir (explicit use of docker)" {
	skip_if_travis_osx "skipping Singularity directory test on Travis OSX"
	export REPRONIM_USE_DOCKER=1
	check_subdir "$(_mktemp_dir_under $HOME)"
}


_mktemp_dir_under () {
	subdir="$1/$(mktemp -t "tmp dir.XXXXXX" -u | sed -e 's,.*/,,g')"
	mkdir -p "$subdir"
	debug "subdir: $subdir"
	echo "$subdir"
}

check_subdir () {
	subdir="$1"
	cd "$subdir"
	echo "content" > "$subdir/file"

	# Our arg_test image has no /etc/localtime so singularity might complain
	# about inability to bind mount that one
	#  \S* to swallow ANSI coloring
	target_out=( '.*(\S*WARNING:\S* skipping mount of /etc/localtime: no such file or directory\n)?/tmp'
"$subdir"
"$subdir/file"
/var/tmp
content )

	if [ -n "${REPRONIM_USE_DOCKER:-}" ]; then
		pull_singularity_shim
	fi
	run_cmd="find /tmp"
	if [ "${subdir##/tmp/}" = "$subdir" ]; then
		# We are not under /tmp so find will not find our directory, add it explicitly to the list
		# for find
		debug "Adding $subdir to run_cmd since not under /tmp"
		run_cmd+=" \"$subdir\""
	fi
	run_cmd+=" /var/tmp && cat \"$subdir/file\""
	myrun "$topdir/scripts/singularity_cmd" exec "$arg_test_img" sh -c "$run_cmd"

	rm -rf "$subdir"  # cleanup asap

	assert_clean_exit
	assert_python_re_match "${target_out[*]}" "${lines[*]}"
}