tests: fix tests to use init__ prefix

commit 4b86923358c0 (Fixes for tiny-cloud Wrapper) changed API so all
init functions had an init__ prefix and the SKIP_INIT_ACTION was moved
to tiny-cloud.

Adjust the tests for this.

tests/init-early.test

@@ -9,33 +9,21 @@ lib="$srcdir"/lib/tiny-cloud/init
 init_tests \
 	expand_root \
 	expand_root_partition \
-	expand_root_skip \
-	install_hotplugs_skip \
 	install_hotplugs_fail
 
 PROVIDERS="aws azure gcp nocloud oci"
 
 expand_root_body() {
-	fake_bin test-expand-root <<-EOF
-		#!/bin/sh
-		. "$lib"
-		expand_root
-	EOF
 	mkdir proc
 	echo "/dev/xvda / ext4 rw,noatime 0 0" > proc/mounts
 	for provider in $PROVIDERS; do
 		CLOUD="$provider" atf_check \
 			-o match:"resize2fs /dev/xvda" \
-			test-expand-root
+			sh -c ". $lib; init__expand_root"
 	done
 }
 
 expand_root_partition_body() {
-	fake_bin test-expand-root <<-EOF
-		#!/bin/sh
-		. "$lib"
-		expand_root
-	EOF
 	mkdir -p proc sys/class/block \
 		sys/devices/pci0000:00/0000:00:1b.0/0000:01:00.0/nvme/nvme0/nvme0n1/nvme0n1p2 \
 		sys/devices/pci0000:00/0000:00:1b.0/0000:01:00.0/nvme/nvme0/nvme0n1/device
@@ -49,46 +37,12 @@ expand_root_partition_body() {
 			-o match:"sfdisk .*/dev/nvme0n1" \
 			-o match:"partx .*/dev/nvme0n1" \
 			-o match:"resize2fs /dev/nvme0n1p2" \
-			test-expand-root
-	done
-}
-
-expand_root_skip_body() {
-	fake_bin test-expand-root <<-EOF
-		#!/bin/sh
-		SKIP_INIT_ACTIONS=expand_root
-		. "$lib"
-		expand_root
-	EOF
-	for provider in $PROVIDERS; do
-		CLOUD="$provider" atf_check \
-			-o match:'^ SKIPPING$' \
-			test-expand-root
-	done
-}
-
-install_hotplugs_skip_body() {
-	fake_bin test-install-hotplugs <<-EOF
-		#!/bin/sh
-		SKIP_INIT_ACTIONS=install_hotplugs
-		. "$lib"
-		install_hotplugs
-	EOF
-	for provider in $PROVIDERS; do
-		CLOUD="$provider" atf_check \
-			-o match:'^ SKIPPING$' \
-			test-install-hotplugs
+			sh -c ". $lib; init__expand_root"
 	done
 }
 
 install_hotplugs_fail_body() {
-	fake_bin test-install-hotplugs <<-EOF
-		#!/bin/sh
-		HOTPLUG_MODULES="vnic_eth_hotplug"
-		. "$lib"
-		install_hotplugs
-	EOF
 	CLOUD=aws atf_check -s not-exit:0 \
-		-o match:"^ vnic_eth_hotplug\(!\)$" \
-		test-install-hotplugs
+		-e match:"vnic_eth_hotplug\(!\)" \
+		sh -c ". $lib; HOTPLUG_MODULES='vnic_eth_hotplug'; init__install_hotplugs"
 }

tests/init-final.test

@@ -38,10 +38,10 @@ run_userdata_body() {
 		echo "hello from user-data"
 	EOF
 	CLOUD="nocloud" atf_check \
-		sh -c ". \"$lib\"; save_userdata"
+		sh -c ". \"$lib\"; init__save_userdata"
 	CLOUD="nocloud" atf_check \
 		-o match:"hello from user-data" \
-		sh -c ". \"$lib\"; run_userdata"
+		sh -c ". \"$lib\"; init__run_userdata"
 	grep "hello from user-data" var/log/user-data.log || atf_fail "user-data.log failed"
 	grep -w "0" var/log/user-data.exit || atf_fail "user-data.exit failed"
 }

tests/init-main.test

@@ -42,16 +42,8 @@ set_hostname_body() {
 
 	CLOUD="nocloud" atf_check \
 		-o match:"hostname.*-F $PWD/etc/hostname" \
-		sh -c ". \"$lib\"; set_hostname"
+		sh -c ". \"$lib\"; init__set_hostname"
 	atf_check -o match:"^myhostname$" cat etc/hostname
-
-	rm etc/hostname
-	CLOUD="nocloud" atf_check \
-		-o not-match:"hostname.*-F $PWD/etc/hostname" \
-		sh -c "SKIP_INIT_ACTIONS=set_hostname ; . \"$lib\"; set_hostname"
-	if test -f etc/hostname; then
-		atf_fail "etc/hostname should not exist"
-	fi
 }
 
 set_ssh_keys_body() {
@@ -66,7 +58,7 @@ set_ssh_keys_body() {
 	EOF
 	CLOUD="nocloud" atf_check \
 		-o match:"chown.*/\.ssh" \
-		sh -c ". \"$lib\"; set_ssh_keys"
+		sh -c ". \"$lib\"; init__set_ssh_keys"
 	atf_check  -o match:"^ssh-ed25519 keydata" \
 		-o match:"^ssh-rsa foobar" \
 		cat home/alpine/.ssh/authorized_keys
@@ -77,7 +69,7 @@ save_userdata_plain_body() {
 		#userdata
 	EOF
 	CLOUD="nocloud" atf_check \
-		sh -c ". \"$lib\"; save_userdata"
+		sh -c ". \"$lib\"; init__save_userdata"
 	atf_check -o match:"^#userdata" cat var/lib/cloud/user-data
 }
 
@@ -88,7 +80,7 @@ save_userdata_compressed_body() {
 		fake_userdata_nocloud < tmpfile
 
 		CLOUD="nocloud" atf_check \
-			sh -c ". \"$lib\"; save_userdata"
+			sh -c ". \"$lib\"; init__save_userdata"
 
 		if ! grep "^#userdata" var/lib/cloud/user-data; then
 			atf_fail "$comp failed"