Add direct upload

app/views/maintenance_tasks/tasks/show.html.erb

@@ -9,7 +9,7 @@
     <% if @task.csv_task? %>
       <div class="block">
         <%= form.label :csv_file %>
-        <%= form.file_field :csv_file, accept: "text/csv" %>
+        <%= form.file_field :csv_file, accept: "text/csv", direct_upload: Rails.application.config.respond_to?(:assets) %>
       </div>
     <% end %>
     <% parameter_names = @task.parameter_names %>

test/system/maintenance_tasks/runs_test.rb

@@ -60,10 +60,34 @@ class RunsTest < ApplicationSystemTestCase
       MaintenanceTasks.metadata = nil
     end
 
-    test "run a CSV Task" do
+    test "run a CSV Task without direct upload" do
+      Rails.application.config.stubs(:respond_to?).with(:assets).returns(false)
       visit maintenance_tasks_path
 
       click_on("Maintenance::ImportPostsTask")
+
+      assert_selector("input[type=file]") do |input|
+        assert_nil(input["data-direct-upload-url"])
+      end
+
+      attach_file("csv_file", "test/fixtures/files/sample.csv")
+      click_on "Run"
+
+      assert_title "Maintenance::ImportPostsTask"
+      assert_text "Enqueued"
+      assert_text "Waiting to start."
+    end
+
+    test "run a CSV Task with direct upload" do
+      Rails.application.config.stubs(:respond_to?).with(:assets).returns(true)
+      visit maintenance_tasks_path
+
+      click_on("Maintenance::ImportPostsTask")
+
+      assert_selector("input[type=file]") do |input|
+        assert_equal(input["data-direct-upload-url"], rails_direct_uploads_url)
+      end
+
       attach_file("csv_file", "test/fixtures/files/sample.csv")
       click_on "Run"
 
@@ -105,6 +129,7 @@ class RunsTest < ApplicationSystemTestCase
     end
 
     test "download the CSV attached to a run for a CSV Task" do
+      Rails.application.config.stubs(:respond_to?).with(:assets).returns(false)
       visit(maintenance_tasks_path)
 
       click_on("Maintenance::ImportPostsTask")