Add controller test

test/controllers/users/push_subscriptions_controller_test.rb

@@ -0,0 +1,50 @@
+require "test_helper"
+
+class Users::PushSubscriptionsControllerTest < ActionDispatch::IntegrationTest
+  setup do
+    sign_in_as :david
+  end
+
+  test "create new push subscription" do
+    subscription_params = { "endpoint" => "https://apple", "p256dh_key" => "123", "auth_key" => "456" }
+
+    post user_push_subscriptions_path(users(:david)),
+      params: { push_subscription: subscription_params }, headers: { "HTTP_USER_AGENT" => "Mozilla/5.0" }
+
+    assert_response :ok
+
+    assert_equal subscription_params, users(:david).push_subscriptions.last.attributes.slice("endpoint", "p256dh_key", "auth_key")
+    assert_equal "Mozilla/5.0", users(:david).push_subscriptions.last.user_agent
+  end
+
+  test "touch existing subscription" do
+    existing_subscription = users(:david).push_subscriptions.create!(
+      endpoint: "https://apple",
+      p256dh_key: "123",
+      auth_key: "456"
+    )
+
+    assert_no_difference -> { users(:david).push_subscriptions.count } do
+      assert_changes -> { existing_subscription.reload.updated_at } do
+        post user_push_subscriptions_path(users(:david)), params: {
+          push_subscription: existing_subscription.attributes.slice("endpoint", "p256dh_key", "auth_key")
+        }
+      end
+    end
+
+    assert_response :ok
+  end
+
+  test "destroy a push subscription" do
+    subscription = users(:david).push_subscriptions.create!(
+      endpoint: "https://apple",
+      p256dh_key: "123",
+      auth_key: "456"
+    )
+
+    assert_difference -> { Push::Subscription.count }, -1 do
+      delete user_push_subscription_path(users(:david), subscription)
+      assert_redirected_to user_push_subscriptions_path(users(:david))
+    end
+  end
+end