1 files changed, 56 insertions, 0 deletions
diff --git a/actionmailbox/test/controllers/ingresses/postfix/inbound_emails_controller_test.rb b/actionmailbox/test/controllers/ingresses/postfix/inbound_emails_controller_test.rb
new file mode 100644
index 0000000000..d646f5e859
--- /dev/null
+++ b/actionmailbox/test/controllers/ingresses/postfix/inbound_emails_controller_test.rb
@@ -0,0 +1,56 @@
+# frozen_string_literal: true
+
+require "test_helper"
+
+class ActionMailbox::Ingresses::Postfix::InboundEmailsControllerTest < ActionDispatch::IntegrationTest
+  setup { ActionMailbox.ingress = :postfix }
+
+  test "receiving an inbound email from Postfix" do
+    assert_difference -> { ActionMailbox::InboundEmail.count }, +1 do
+      post rails_postfix_inbound_emails_url, headers: { "Authorization" => credentials, "Content-Type" => "message/rfc822" },
+        params: file_fixture("../files/welcome.eml").read
+    end
+
+    assert_response :no_content
+
+    inbound_email = ActionMailbox::InboundEmail.last
+    assert_equal file_fixture("../files/welcome.eml").read, inbound_email.raw_email.download
+    assert_equal "0CB459E0-0336-41DA-BC88-E6E28C697DDB@37signals.com", inbound_email.message_id
+  end
+
+  test "rejecting an unauthorized inbound email from Postfix" do
+    assert_no_difference -> { ActionMailbox::InboundEmail.count } do
+      post rails_postfix_inbound_emails_url, headers: { "Content-Type" => "message/rfc822" },
+        params: file_fixture("../files/welcome.eml").read
+    end
+
+    assert_response :unauthorized
+  end
+
+  test "rejecting an inbound email of an unsupported media type from Postfix" do
+    assert_no_difference -> { ActionMailbox::InboundEmail.count } do
+      post rails_postfix_inbound_emails_url, headers: { "Authorization" => credentials, "Content-Type" => "text/plain" },
+        params: file_fixture("../files/welcome.eml").read
+    end
+
+    assert_response :unsupported_media_type
+  end
+
+  test "raising when the configured password is nil" do
+    switch_password_to nil do
+      assert_raises ArgumentError do
+        post rails_postfix_inbound_emails_url, headers: { "Authorization" => credentials, "Content-Type" => "message/rfc822" },
+          params: file_fixture("../files/welcome.eml").read
+      end
+    end
+  end
+
+  test "raising when the configured password is blank" do
+    switch_password_to "" do
+      assert_raises ArgumentError do
+        post rails_postfix_inbound_emails_url, headers: { "Authorization" => credentials, "Content-Type" => "message/rfc822" },
+          params: file_fixture("../files/welcome.eml").read
+      end
+    end
+  end
+end