1 files changed, 74 insertions, 0 deletions
diff --git a/spec/lib/gitlab/mailgun/webhook_processors/member_invites_spec.rb b/spec/lib/gitlab/mailgun/webhook_processors/member_invites_spec.rb
new file mode 100644
index 00000000000..3bd364b0d15
--- /dev/null
+++ b/spec/lib/gitlab/mailgun/webhook_processors/member_invites_spec.rb
@@ -0,0 +1,74 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Gitlab::Mailgun::WebhookProcessors::MemberInvites do
+  describe '#execute', :aggregate_failures do
+    let_it_be(:member) { create(:project_member, :invited) }
+
+    let(:raw_invite_token) { member.raw_invite_token }
+    let(:payload) do
+      {
+        'event' => 'failed',
+        'severity' => 'permanent',
+        'tags' => [Members::Mailgun::INVITE_EMAIL_TAG],
+        'user-variables' => { ::Members::Mailgun::INVITE_EMAIL_TOKEN_KEY => raw_invite_token }
+      }
+    end
+
+    subject(:service) { described_class.new(payload).execute }
+
+    it 'marks the member invite email success as false' do
+      expect(Gitlab::AppLogger).to receive(:info).with(
+        message: /^UPDATED MEMBER INVITE_EMAIL_SUCCESS/,
+        event: 'updated_member_invite_email_success'
+      ).and_call_original
+
+      expect { service }.to change { member.reload.invite_email_success }.from(true).to(false)
+    end
+
+    context 'when invite token is not found in payload' do
+      before do
+        payload.delete('user-variables')
+      end
+
+      it 'does not change member status and logs an error' do
+        expect(Gitlab::AppLogger).not_to receive(:info)
+        expect(Gitlab::ErrorTracking).to receive(:track_exception).with(
+          an_instance_of(described_class::ProcessWebhookServiceError))
+
+        expect { service }.not_to change { member.reload.invite_email_success }
+      end
+    end
+
+    shared_examples 'does nothing' do
+      it 'does not change member status' do
+        expect(Gitlab::AppLogger).not_to receive(:info)
+
+        expect { service }.not_to change { member.reload.invite_email_success }
+      end
+    end
+
+    context 'when member can not be found' do
+      let(:raw_invite_token) { '_foobar_' }
+
+      it_behaves_like 'does nothing'
+    end
+
+    context 'when failure is temporary' do
+      before do
+        payload['severity'] = 'temporary'
+      end
+
+      it_behaves_like 'does nothing'
+    end
+
+    context 'when email is not a member invite' do
+      before do
+        payload.delete('tags')
+      end
+
+      it_behaves_like 'does nothing'
+    end
+  end
+end