Refactored.

test/ENABLE_POP3_0.bats

@@ -0,0 +1,9 @@
+@test "checking process: process is not running" {
+  run docker exec mail /bin/bash -c "ps aux | grep 'dovecot/pop'"
+  [ "$status" -eq 1 ]
+}
+
+@test "checking pop: server does not respond on port 110" {
+  run docker exec mail /bin/bash -c "nc -w 1 0.0.0.0 110"
+  [ "$status" -eq 1 ]
+}

test/ENABLE_POP3_1.bats

@@ -0,0 +1,14 @@
+@test "checking process: process is running" {
+  run docker exec mail /bin/bash -c "ps aux | grep 'dovecot/pop'"
+  [ "$status" -eq 0 ]
+}
+
+@test "checking pop: server responds on port 110" {
+  run docker exec mail /bin/bash -c "nc -w 1 0.0.0.0 110 | grep '+OK'"
+  [ "$status" -eq 0 ]
+}
+
+@test "checking pop: authentication works" {
+  run docker exec mail /bin/sh -c "nc -w 1 0.0.0.0 110 < /tmp/docker-mailserver-test/auth/pop3-auth.txt"
+  [ "$status" -eq 0 ]
+}

test/SASL_PASSWD_0.bats

@@ -0,0 +1,4 @@
+@test "checking sasl: sasl_passwd.db should not exist" {
+  run docker exec mail [ -f /etc/postfix/sasl_passwd.db ]
+  [ "$status" -eq 1 ]
+}

test/SASL_PASSWD_1.bats

@@ -0,0 +1,14 @@
+@test "checking sasl: doveadm auth test works with good password" {
+  run docker exec mail /bin/sh -c "doveadm auth test -x service=smtp user2@otherdomain.tld mypassword | grep 'auth succeeded'"
+  [ "$status" -eq 0 ]
+}
+
+@test "checking sasl: doveadm auth test fails with bad password" {
+  run docker exec mail /bin/sh -c "doveadm auth test -x service=smtp user2@otherdomain.tld BADPASSWORD | grep 'auth failed'"
+  [ "$status" -eq 0 ]
+}
+
+@test "checking sasl: sasl_passwd.db exists" {
+  run docker exec mail [ -f /etc/postfix/sasl_passwd.db ]
+  [ "$status" -eq 0 ]
+}