Add controller test

app/controllers/admin/prompt_sandboxes_controller.rb

@@ -7,9 +7,10 @@ class Admin::PromptSandboxesController < AdminController
   end
 
   def create
-    cookies[:prompt] = params[:prompt]
-    day = Time.zone.parse(params[:day])
-    redirect_to admin_prompt_sandbox_path(day: day.to_date)
+    @prompt = params[:prompt]
+    cookies[:prompt] = @prompt
+    @summary, @summarizable_content = summarize(@day_timeline, @prompt)
+    render :show
   end
 
   private

test/controllers/admin/prompt_debugs_controller_test.rb

@@ -0,0 +1,29 @@
+require "test_helper"
+
+class Admin::PromptSandboxesControllerTest < ActionDispatch::IntegrationTest
+  setup do
+    sign_in_as :kevin
+  end
+
+  test "show renders the form with default prompt" do
+    get admin_prompt_sandbox_path
+
+    assert_response :success
+    assert_select "form[action=?]", admin_prompt_sandbox_path
+    assert_select "textarea[name=?]", "prompt"
+    assert_select "input[type=submit]"
+  end
+
+  test "create processes prompt and renders show with summary" do
+    test_prompt = "Test prompt for summarization"
+
+    post admin_prompt_sandbox_path, params: { prompt: test_prompt }
+
+    assert_response :success
+    assert_select "form[action=?]", admin_prompt_sandbox_path
+    assert_select "textarea[name=?]", "prompt"
+    assert_select "input[type=submit]"
+    # The summary should be rendered outside the form
+    assert_match /summary/, response.body.downcase
+  end
+end

test/controllers/events/activity_summaries_controller_test.rb

@@ -0,0 +1,15 @@
+require "test_helper"
+
+class Events::ActivitySummariesControllerTest < ActionDispatch::IntegrationTest
+  setup do
+    sign_in_as :kevin
+  end
+
+  test "create" do
+    assert_difference -> { Event::ActivitySummary.count }, +1 do
+      perform_enqueued_jobs only: User::DayTimeline::SummarizeJob do
+        post events_activity_summaries_path(day: Date.current)
+      end
+    end
+  end
+end