Add test for ssh-keys in nocloud yaml

lib/tiny-cloud/init-main

@@ -26,7 +26,7 @@ set_ssh_keys() {
     local user="$CLOUD_USER"
     local pwent=$(getent passwd "$user")
     local group=$(echo "$pwent" | cut -d: -f4)
-    local ssh_dir="$(echo "$pwent" | cut -d: -f6)/.ssh"
+    local ssh_dir="${ROOT}$(echo "$pwent" | cut -d: -f6)/.ssh"
     local keys_file="$ssh_dir/authorized_keys"
 
     if [ ! -d "$ssh_dir" ]; then
@@ -36,7 +36,7 @@ set_ssh_keys() {
 
     touch "$keys_file"
     chmod 600 "$keys_file"
-    chown -R "$user:$group" "$ssh_dir"
+    $MOCK chown -R "$user:$group" "$ssh_dir"
     imds @ssh-keys > "$keys_file"
 }
 

tests/init-main.test

@@ -7,7 +7,8 @@ export MOCK=echo
 lib="$srcdir"/lib/tiny-cloud/init-main
 
 init_tests \
-	set_hostname
+	set_hostname \
+	set_ssh_keys
 
 
 set_nocloud_meta() {
@@ -51,3 +52,20 @@ set_hostname_body() {
 	fi
 }
 
+set_ssh_keys_body() {
+	fake_bin getent <<-EOF
+		#!/bin/sh
+		echo "alpine:x:1000:1000:Linux User,,,:/home/alpine:/bin/sh"
+	EOF
+	set_nocloud_meta user-data <<-EOF
+		public-keys:
+		  - openssh-key: ssh-ed25519 keydata
+		  - openssh-key: ssh-rsa foobar
+	EOF
+	CLOUD="nocloud" atf_check \
+		-o match:"chown.*/\.ssh" \
+		sh -c ". \"$lib\"; set_ssh_keys"
+	atf_check  -o match:"^ssh-ed25519 keydata" \
+		-o match:"^ssh-rsa foobar" \
+		cat home/alpine/.ssh/authorized_keys
+}