WIP: Upload test

spec/factories/task.rb

@@ -0,0 +1,6 @@
+FactoryBot.define do
+  factory :task do
+    display_name { '1st USA olympiad task number 1' }
+    file_names { ['task1.md'] }
+  end
+end

spec/features/upload_spec.rb

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+require 'rails_helper'
+
+RSpec.describe 'Upload', ui: true do
+  let(:upload_path) { "/contests/#{contest.id}/upload/new" }
+  let(:file_path) { "/contests/#{contest.id}/upload" }
+
+  let(:contest) { create(:contest) }
+  let!(:task) { create(:task, contest:) }
+  let(:user) { create(:user, contest:) }
+
+  before { visit upload_path }
+
+  describe 'solution for task' do
+    before do
+      fill_inputs 'upload', user.slice(:secret)
+      click_button 'commit'
+    end
+
+    context 'with valid file' do
+      before do
+        # TODO: FIX upload[solutions_attributes][0][file]
+        attach_file 'upload[solutions_attributes][0][file]', 'spec/support/fixtures/tasks_solutions/task1_ok/task1.md'
+        click_button 'commit'
+      end
+
+      it { expect(page).to have_content "#{task.display_name}: успішно завантажений на сервер" }
+    end
+
+    context 'with empty file' do
+      before do
+        # TODO: FIX upload[solutions_attributes][0][file]
+        attach_file 'upload[solutions_attributes][0][file]', 'spec/support/fixtures/tasks_solutions/task1_empty/task1.md'
+        click_button 'commit'
+      end
+
+      it {
+        expect(page).to have_content \
+          "#{task.display_name}: Помилка! Файл не може бути порожнім (0 байт). Можливо, файл відкрито у програмі MS Office."
+      }
+    end
+  end
+end

spec/support/fixtures/tasks_solutions/task1_ok/task1.md

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+# Some task solution