1 files changed, 33 insertions, 0 deletions
diff --git a/test/controllers/ingresses/sendgrid/inbound_emails_controller_test.rb b/test/controllers/ingresses/sendgrid/inbound_emails_controller_test.rb
new file mode 100644
index 0000000000..7663c6657e
--- /dev/null
+++ b/test/controllers/ingresses/sendgrid/inbound_emails_controller_test.rb
@@ -0,0 +1,33 @@
+require "test_helper"
+
+ActionMailbox::Ingresses::Sendgrid::InboundEmailsController.password = "tbsy84uSV1Kt3ZJZELY2TmShPRs91E3yL4tzf96297vBCkDWgL"
+
+class ActionMailbox::Ingresses::Sendgrid::InboundEmailsControllerTest < ActionDispatch::IntegrationTest
+  test "receiving an inbound email from Sendgrid" do
+    assert_difference -> { ActionMailbox::InboundEmail.count }, +1 do
+      post rails_sendgrid_inbound_emails_url,
+        headers: { authorization: credentials }, params: { email: 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 Sendgrid" do
+    assert_no_difference -> { ActionMailbox::InboundEmail.count } do
+      post rails_sendgrid_inbound_emails_url, params: { email: file_fixture("../files/welcome.eml").read }
+    end
+
+    assert_response :unauthorized
+  end
+
+  private
+    delegate :username, :password, to: ActionMailbox::Ingresses::Sendgrid::InboundEmailsController
+
+    def credentials
+      ActionController::HttpAuthentication::Basic.encode_credentials username, password
+    end
+end