#!/usr/bin/env atf-sh
# vim:set ft=sh
# shellcheck shell=sh

. $(atf_get_srcdir)/test_env.sh

init_tests \
	assemble_eth0 \
	assemble_missing_interfaces_d

assemble_eth0_body() {
	mkdir -p etc/network/interfaces.d \
		sys/class/net/eth0

	cat > etc/network/interfaces.d/DEFAULT <<-EOF
		auto %%
		iface %% inet dhcp
	EOF
	atf_check assemble-interfaces

	atf_check \
		-o match:"# NOTE:" \
		-o match:"auto eth0" \
		-o match:"iface eth0 inet dhcp" \
		cat etc/network/interfaces
}

# test what happens if etc/network/interfaces.d is missing
assemble_missing_interfaces_d_body() {
	atf_check -s not-exit:0 \
		-e match:"([Nn]o such file or directory|can't cd to)" \
		assemble-interfaces

	if [ -f etc/network/interfaces ]; then
		atf_fail "should not create etc/network/interfaces"
	fi
}