GODT-1650: SMTP BCC tests

tests/features/smtp/send/bcc.feature

@@ -0,0 +1,80 @@
+Feature: SMTP with bcc
+  Background:
+    Given there exists an account with username "user@pm.me" and password "password"
+    Given there exists an account with username "bridgetest@protonmail.com" and password "password"
+    Given there exists an account with username "bcc@protonmail.com" and password "password"
+    And bridge starts
+    And the user logs in with username "user@pm.me" and password "password"
+    And the user logs in with username "bcc@protonmail.com" and password "password"
+    And user "user@pm.me" connects and authenticates SMTP client "1"
+
+  Scenario: Send message to address in to and bcc
+    When SMTP client "1" sends the following message from "user@pm.me" to "bridgetest@protonmail.com, bcc@protonmail.com":
+      """
+      Subject: hello
+      From: Bridge Test <user@pm.me>
+      To: Internal Bridge <bridgetest@protonmail.com>
+
+      hello
+
+      """
+    Then it succeeds
+    When user "user@pm.me" connects and authenticates IMAP client "1"
+    Then IMAP client "1" eventually sees the following messages in "Sent":
+      | from       | to                        | bcc                | subject | unread |
+      | user@pm.me | bridgetest@protonmail.com | bcc@protonmail.com | hello   | false  |
+    And the body in the "POST" request to "/mail/v4/messages" is:
+      """
+      {
+        "Message": {
+          "Subject": "hello",
+          "ToList": [
+            {
+              "Address": "bridgetest@protonmail.com",
+              "Name": "Internal Bridge"
+            }
+          ],
+          "CCList": [],
+          "BCCList": [
+            {
+              "Address": "bcc@protonmail.com"
+            }
+          ]
+        }
+      }
+      """
+
+
+  Scenario: Send message only to bcc
+    When SMTP client "1" sends the following message from "user@pm.me" to "bcc@protonmail.com":
+      """
+      Subject: hello
+      From: Bridge Test <user@pm.me>
+
+      hello
+
+      """
+    Then it succeeds
+    When user "user@pm.me" connects and authenticates IMAP client "1"
+    Then IMAP client "1" eventually sees the following messages in "Sent":
+      | from       | to  | bcc                | subject |
+      | user@pm.me |     | bcc@protonmail.com | hello   |
+    And the body in the "POST" request to "/mail/v4/messages" is:
+      """
+      {
+        "Message": {
+          "Subject": "hello",
+          "ToList": [],
+          "CCList": [],
+          "BCCList": [
+            {
+              "Address": "bcc@protonmail.com"
+            }
+          ]
+        }
+      }
+      """
+    When user "bcc@protonmail.com" connects and authenticates IMAP client "2"
+    Then IMAP client "2" eventually sees the following messages in "Inbox":
+      | from       | to  | bcc | subject | unread |
+      | user@pm.me |     |     | hello   | true   |

tests/smtp_test.go

@@ -3,6 +3,7 @@ package tests
 import (
 	"fmt"
 	"net/smtp"
+	"strings"
 
 	"github.com/ProtonMail/proton-bridge/v2/internal/constants"
 	"github.com/cucumber/godog"
@@ -119,8 +120,10 @@ func (s *scenario) smtpClientSendsTheFollowingMessageFromTo(clientID, from, to s
 			return err
 		}
 
-		if err := client.Rcpt(to); err != nil {
+		for _, to := range strings.Split(to, ", ") {
-			return err
+			if err := client.Rcpt(to); err != nil {
+				return err
+			}
 		}
 
 		wc, err := client.Data()