nuageinit: add adddoas tests

libexec/nuageinit/tests/Makefile

@@ -20,5 +20,6 @@ ${PACKAGE}FILES+=	warn.lua
 ${PACKAGE}FILES+=	addfile.lua
 ${PACKAGE}FILES+=	decode_base64.lua
 ${PACKAGE}FILES+=	addsudo.lua
+${PACKAGE}FILES+=	adddoas.lua
 
 .include <bsd.test.mk>

libexec/nuageinit/tests/adddoas.lua

@@ -0,0 +1,64 @@
+#!/usr/libexec/flua
+---
+-- SPDX-License-Identifier: BSD-2-Clause
+--
+-- Copyright (c) 2026 Baptiste Daroussin <bapt@FreeBSD.org>
+
+local n = require("nuage")
+
+local root = os.getenv("NUAGE_FAKE_ROOTDIR")
+if not root then
+	root = ""
+end
+
+local function get_localbase()
+	local f = io.popen("sysctl -in user.localbase 2> /dev/null")
+	local lb = f:read("*l")
+	f:close()
+	if lb == nil or lb:len() == 0 then
+		lb = "/usr/local"
+	end
+	return lb
+end
+
+local function read_doasconf()
+	local path = root .. get_localbase() .. "/etc/doas.conf"
+	local f = io.open(path, "r")
+	if not f then
+		return nil
+	end
+	local content = f:read("*a")
+	f:close()
+	return content
+end
+
+-- test with a single string rule with %u substitution
+n.adddoas({ name = "testuser", doas = "permit persist %u as root" })
+local content = read_doasconf()
+if not content then
+	n.err("doas.conf not created")
+end
+if content ~= "permit persist testuser as root\n" then
+	n.err("unexpected doas.conf content with %u: '" .. content .. "'")
+end
+
+-- remove file for next test
+os.remove(root .. get_localbase() .. "/etc/doas.conf")
+
+-- test with a table of rules
+n.adddoas({
+	name = "testuser",
+	doas = {
+		"deny %u as foobar",
+		"permit persist %u as root cmd whoami"
+	}
+})
+content = read_doasconf()
+if not content then
+	n.err("doas.conf not created for table")
+end
+if content ~= "deny testuser as foobar\npermit persist testuser as root cmd whoami\n" then
+	n.err("unexpected doas.conf content for table: '" .. content .. "'")
+end
+
+os.exit(0)

libexec/nuageinit/tests/nuage.sh

@@ -16,6 +16,7 @@ atf_test_case addgroup
 atf_test_case addfile
 atf_test_case decode_base64
 atf_test_case addsudo
+atf_test_case adddoas
 
 settimezone_body()
 {
@@ -103,6 +104,11 @@ addsudo_body()
 	atf_check /usr/libexec/flua $(atf_get_srcdir)/addsudo.lua
 }
 
+adddoas_body()
+{
+	atf_check /usr/libexec/flua $(atf_get_srcdir)/adddoas.lua
+}
+
 atf_init_test_cases()
 {
 	atf_add_test_case sethostname
@@ -113,4 +119,5 @@ atf_init_test_cases()
 	atf_add_test_case addfile
 	atf_add_test_case decode_base64
 	atf_add_test_case addsudo
+	atf_add_test_case adddoas
 }