feat(dkim): make key size configurable and allow keys to be rotated

spec/views/domains/index.html.haml_spec.rb

@@ -0,0 +1,48 @@
+# frozen_string_literal: true
+
+require "rails_helper"
+
+RSpec.describe "domains/index", type: :view do
+  let(:user) { create(:user, admin: true) }
+  let(:organization) { create(:organization, owner: user) }
+  let(:domain) { create(:domain, owner: organization, dkim_status: "OK") }
+
+  before do
+    assign(:organization, organization)
+    assign(:domains, [domain])
+    assign(:server, nil)
+    without_partial_double_verification do
+      allow(view).to receive(:organization).and_return(organization)
+      allow(view).to receive(:current_user).and_return(user)
+      allow(view).to receive(:page_title).and_return(["Postal"])
+    end
+  end
+
+  context "when no key change is in progress" do
+    it "does not flag a pending DKIM key" do
+      render
+      expect(rendered).to_not include("New DKIM key pending")
+    end
+  end
+
+  context "when a key change is in progress" do
+    before do
+      domain.regenerate_dkim_key!
+    end
+
+    it "flags the domain as having a pending DKIM key" do
+      render
+      expect(rendered).to include("New DKIM key pending")
+    end
+
+    it "links the flag to the DNS setup page" do
+      render
+      expect(rendered).to include(setup_organization_domain_path(organization, domain))
+    end
+
+    it "still shows DKIM as OK because the active key is unaffected" do
+      render
+      expect(rendered).to include("domainList__check--ok")
+    end
+  end
+end