add view specs for inbox/show.html

spec/rails_helper.rb

@@ -66,6 +66,7 @@ RSpec.configure do |config|
 
   config.include Devise::Test::ControllerHelpers, type: :controller
   config.include Devise::Test::ControllerHelpers, type: :helper
+  config.include Devise::Test::ControllerHelpers, type: :view
 end
 
 Shoulda::Matchers.configure do |config|

spec/views/inbox/show.html.haml_spec.rb

@@ -0,0 +1,72 @@
+# frozen_string_literal: true
+
+require "rails_helper"
+
+describe "inbox/show.html.haml", type: :view do
+  let(:user) { FactoryBot.create(:user) }
+
+  before do
+    sign_in user
+  end
+
+  subject(:rendered) { render }
+
+  context "with an empty inbox" do
+    before do
+      assign :inbox, []
+    end
+
+    it "displays an 'inbox is empty' message" do
+      expect(rendered).to match %(<p class='empty'>Nothing to see here.</p>)
+    end
+  end
+
+  context "with some inbox entries" do
+    let(:inbox_entry1) { Inbox.create(user:, question: FactoryBot.create(:question)) }
+    let(:inbox_entry2) { Inbox.create(user:, question: FactoryBot.create(:question)) }
+
+    before do
+      assign :inbox, [inbox_entry2, inbox_entry1]
+    end
+
+    it "renders inbox entries" do
+      expect(rendered).to match(/id='inbox_#{inbox_entry1.id}'/)
+      expect(rendered).to match(/id='inbox_#{inbox_entry2.id}'/)
+    end
+
+    it "does not contain the empty inbox message" do
+      expect(rendered).not_to match(%r{<p class='empty'>Nothing to see here.</p>})
+    end
+
+    it "does not render the paginator" do
+      expect(rendered).not_to match(/id='paginator'/)
+    end
+
+    context "when more data is available" do
+      before do
+        assign :more_data_available, true
+        assign :inbox_last_id, 1337
+      end
+
+      it "renders the paginator" do
+        expect(rendered).to match(/id='paginator'/)
+      end
+
+      it "has the correct params on the button" do
+        expect(rendered).to match(/input type="hidden" name="last_id" value="1337"/)
+        expect(rendered).not_to match(/input type="hidden" name="author"/)
+      end
+
+      context "when passed an author" do
+        before do
+          assign :author, "jyrki"
+        end
+
+        it "has the correct params on the button" do
+          expect(rendered).to match(/input type="hidden" name="last_id" value="1337"/)
+          expect(rendered).to match(/input type="hidden" name="author"/)
+        end
+      end
+    end
+  end
+end