1 files changed, 128 insertions, 0 deletions
diff --git a/spec/requests/members/mailgun/permanent_failure_spec.rb b/spec/requests/members/mailgun/permanent_failure_spec.rb
new file mode 100644
index 00000000000..e47aedf8e94
--- /dev/null
+++ b/spec/requests/members/mailgun/permanent_failure_spec.rb
@@ -0,0 +1,128 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe 'receive a permanent failure' do
+  describe 'POST /members/mailgun/permanent_failures', :aggregate_failures do
+    let_it_be(:member) { create(:project_member, :invited) }
+
+    let(:raw_invite_token) { member.raw_invite_token }
+    let(:mailgun_events) { true }
+    let(:mailgun_signing_key) { 'abc123' }
+
+    subject(:post_request) { post members_mailgun_permanent_failures_path(standard_params) }
+
+    before do
+      stub_application_setting(mailgun_events_enabled: mailgun_events, mailgun_signing_key: mailgun_signing_key)
+    end
+
+    it 'marks the member invite email success as false' do
+      expect { post_request }.to change { member.reload.invite_email_success }.from(true).to(false)
+
+      expect(response).to have_gitlab_http_status(:ok)
+    end
+
+    context 'when the change to a member is not made' do
+      context 'with incorrect signing key' do
+        context 'with incorrect signing key' do
+          let(:mailgun_signing_key) { '_foobar_' }
+
+          it 'does not change member status and responds as not_found' do
+            expect { post_request }.not_to change { member.reload.invite_email_success }
+
+            expect(response).to have_gitlab_http_status(:not_found)
+          end
+        end
+
+        context 'with nil signing key' do
+          let(:mailgun_signing_key) { nil }
+
+          it 'does not change member status and responds as not_found' do
+            expect { post_request }.not_to change { member.reload.invite_email_success }
+
+            expect(response).to have_gitlab_http_status(:not_found)
+          end
+        end
+      end
+
+      context 'when the feature is not enabled' do
+        let(:mailgun_events) { false }
+
+        it 'does not change member status and responds as expected' do
+          expect { post_request }.not_to change { member.reload.invite_email_success }
+
+          expect(response).to have_gitlab_http_status(:not_acceptable)
+        end
+      end
+
+      context 'when it is not an invite email' do
+        before do
+          stub_const('::Members::Mailgun::INVITE_EMAIL_TAG', '_foobar_')
+        end
+
+        it 'does not change member status and responds as expected' do
+          expect { post_request }.not_to change { member.reload.invite_email_success }
+
+          expect(response).to have_gitlab_http_status(:not_acceptable)
+        end
+      end
+    end
+
+    def standard_params
+      {
+        "signature": {
+          "timestamp": "1625056677",
+          "token": "eb944d0ace7227667a1b97d2d07276ae51d2b849ed2cfa68f3",
+          "signature": "9790cc6686eb70f0b1f869180d906870cdfd496d27fee81da0aa86b9e539e790"
+        },
+        "event-data": {
+          "severity": "permanent",
+          "tags": ["invite_email"],
+          "timestamp": 1521233195.375624,
+          "storage": {
+            "url": "_anything_",
+            "key": "_anything_"
+          },
+          "log-level": "error",
+          "id": "_anything_",
+          "campaigns": [],
+          "reason": "suppress-bounce",
+          "user-variables": {
+            "invite_token": raw_invite_token
+          },
+          "flags": {
+            "is-routed": false,
+            "is-authenticated": true,
+            "is-system-test": false,
+            "is-test-mode": false
+          },
+          "recipient-domain": "example.com",
+          "envelope": {
+            "sender": "bob@mg.gitlab.com",
+            "transport": "smtp",
+            "targets": "alice@example.com"
+          },
+          "message": {
+            "headers": {
+              "to": "Alice <alice@example.com>",
+              "message-id": "20130503192659.13651.20287@mg.gitlab.com",
+              "from": "Bob <bob@mg.gitlab.com>",
+              "subject": "Test permanent_fail webhook"
+            },
+            "attachments": [],
+            "size": 111
+          },
+          "recipient": "alice@example.com",
+          "event": "failed",
+          "delivery-status": {
+            "attempt-no": 1,
+            "message": "",
+            "code": 605,
+            "description": "Not delivering to previously bounced address",
+            "session-seconds": 0
+          }
+        }
+      }
+    end
+  end
+end