add view specs for inbox/show.turbo_stream

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

@@ -0,0 +1,58 @@
+# frozen_string_literal: true
+
+require "rails_helper"
+
+describe "inbox/show.turbo_stream.haml", type: :view do
+  let(:user) { FactoryBot.create(:user) }
+
+  before do
+    sign_in user
+  end
+
+  subject(:rendered) { render }
+
+  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 "appends to entries" do
+      expect(rendered).to match(/<turbo-stream action="append" target="entries">/)
+    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 "updates the paginator" do
+      expect(rendered).to match(/<turbo-stream action="update" target="paginator">/)
+    end
+
+    context "when more data is available" do
+      before do
+        assign :more_data_available, true
+        assign :inbox_last_id, 1337
+      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