Extract mail_lmtp_ip into own test file

Makefile

@@ -205,15 +205,6 @@ run:
 		--cap-add=NET_ADMIN \
 		-h mail.my-domain.com -t $(NAME)
 	sleep 15
-	docker run -d --name mail_lmtp_ip \
-		-v "`pwd`/test/config":/tmp/docker-mailserver \
-		-v "`pwd`/test/config/dovecot-lmtp":/etc/dovecot \
-		-v "`pwd`/test/test-files":/tmp/docker-mailserver-test:ro \
-		-e ENABLE_POSTFIX_VIRTUAL_TRANSPORT=1 \
-		-e POSTFIX_DAGENT=lmtp:127.0.0.1:24 \
-		-e DMS_DEBUG=0 \
-		-h mail.my-domain.com -t $(NAME)
-	sleep 30
 
 generate-accounts-after-run:
 	docker run --rm -e MAIL_USER=added@localhost.localdomain -e MAIL_PASS=mypassword -t $(NAME) /bin/sh -c 'echo "$$MAIL_USER|$$(doveadm pw -s SHA512-CRYPT -u $$MAIL_USER -p $$MAIL_PASS)"' >> test/config/postfix-accounts.cf
@@ -246,7 +237,6 @@ fixtures:
 	docker exec mail_disabled_clamav_spamassassin /bin/sh -c "nc 0.0.0.0 25 < /tmp/docker-mailserver-test/email-templates/existing-user1.txt"
 	docker exec mail /bin/sh -c "sendmail root < /tmp/docker-mailserver-test/email-templates/root-email.txt"
 	# postfix virtual transport lmtp
-	docker exec mail_lmtp_ip /bin/sh -c "nc 0.0.0.0 25 < /tmp/docker-mailserver-test/email-templates/existing-user1.txt"
 	docker exec mail_privacy /bin/sh -c "openssl s_client -quiet -starttls smtp -connect 0.0.0.0:587 < /tmp/docker-mailserver-test/email-templates/send-privacy-email.txt"
 	docker exec mail_override_hostname /bin/sh -c "nc 0.0.0.0 25 < /tmp/docker-mailserver-test/email-templates/existing-user1.txt"
 	# Wait for mails to be analyzed
@@ -282,7 +272,6 @@ clean:
 		ldap_for_mail \
 		mail_with_ldap \
 		mail_with_imap \
-		mail_lmtp_ip \
 		mail_postscreen \
 		mail_override_hostname \
 		mail_domainname \

test/mail_lmtp_ip.bats

@@ -0,0 +1,54 @@
+load 'test_helper/common'
+
+setup() {
+    run_setup_file_if_necessary
+}
+
+teardown() {
+    run_teardown_file_if_necessary
+}
+
+setup_file() {
+    docker run -d --name mail_lmtp_ip \
+		-v "`pwd`/test/config":/tmp/docker-mailserver \
+		-v "`pwd`/test/config/dovecot-lmtp":/etc/dovecot \
+		-v "`pwd`/test/test-files":/tmp/docker-mailserver-test:ro \
+		-e ENABLE_POSTFIX_VIRTUAL_TRANSPORT=1 \
+		-e POSTFIX_DAGENT=lmtp:127.0.0.1:24 \
+		-e DMS_DEBUG=0 \
+		-h mail.my-domain.com -t ${NAME}
+    wait_for_finished_setup_in_container mail_lmtp_ip
+}
+
+
+teardown_file() {
+    docker rm -f mail_lmtp_ip
+}
+
+@test "first" {
+    skip 'only used to call setup_file from setup'
+}
+
+#
+# Postfix VIRTUAL_TRANSPORT
+#
+@test "checking postfix-lmtp: virtual_transport config is set" {
+  run docker exec mail_lmtp_ip /bin/sh -c "grep 'virtual_transport = lmtp:127.0.0.1:24' /etc/postfix/main.cf"
+  assert_success
+}
+
+@test "checking postfix-lmtp: delivers mail to existing account" {
+  # maybe we can move this into the setup to speed things up futher.
+  # this likely would need an async coroutine to avoid blocking the other tests while waiting for the server to come up
+  wait_for_smtp_port_in_container mail_lmtp_ip
+  run docker exec mail_lmtp_ip /bin/sh -c "nc 0.0.0.0 25 < /tmp/docker-mailserver-test/email-templates/existing-user1.txt"
+  assert_success
+  
+  repeat_until_success_or_timeout 60 run docker exec mail_lmtp_ip /bin/sh -c "grep 'postfix/lmtp' /var/log/mail/mail.log | grep 'status=sent' | grep ' Saved)' | wc -l"
+  assert_success
+  assert_output 1
+}
+
+@test "last" {
+    skip 'only used to call teardown_file from teardown'
+}

test/tests.bats

@@ -1585,20 +1585,6 @@ function count_processed_changes() {
   assert_success
 }
 
-#
-# Postfix VIRTUAL_TRANSPORT
-#
-@test "checking postfix-lmtp: virtual_transport config is set" {
-  run docker exec mail_lmtp_ip /bin/sh -c "grep 'virtual_transport = lmtp:127.0.0.1:24' /etc/postfix/main.cf"
-  assert_success
-}
-
-@test "checking postfix-lmtp: delivers mail to existing account" {
-  run docker exec mail_lmtp_ip /bin/sh -c "grep 'postfix/lmtp' /var/log/mail/mail.log | grep 'status=sent' | grep ' Saved)' | wc -l"
-  assert_success
-  assert_output 1
-}
-
 #
 # Pflogsumm delivery check
 #