Add specs to test the prop. notifications hide action

Specs that test if the proposal notifications hide action works.
It also tests if the admin part works (mark as reviewed, ignore them, etc.)

spec/features/admin/proposal_notifications_spec.rb

@@ -0,0 +1,94 @@
+require 'rails_helper'
+
+feature 'Admin proposal notifications' do
+
+  background do
+    admin = create(:administrator)
+    login_as(admin.user)
+  end
+
+  scenario 'List shows all relevant info' do
+    proposal_notification = create(:proposal_notification, :hidden)
+    visit admin_proposal_notifications_path
+
+    expect(page).to have_content(proposal_notification.title)
+    expect(page).to have_content(proposal_notification.body)
+  end
+
+  scenario 'Restore' do
+    proposal_notification = create(:proposal_notification, :hidden, created_at: Date.current - 5.days)
+    visit admin_proposal_notifications_path
+
+    click_link 'Restore'
+
+    expect(page).not_to have_content(proposal_notification.title)
+
+    expect(proposal_notification.reload).not_to be_hidden
+    expect(proposal_notification).to be_ignored
+  end
+
+  scenario 'Confirm hide' do
+    proposal_notification = create(:proposal_notification, :hidden, created_at: Date.current - 5.days)
+    visit admin_proposal_notifications_path
+
+    click_link 'Confirm moderation'
+
+    expect(page).not_to have_content(proposal_notification.title)
+    click_link('Confirmed')
+    expect(page).to have_content(proposal_notification.title)
+
+    expect(proposal_notification.reload).to be_confirmed_hide
+  end
+
+  scenario "Current filter is properly highlighted" do
+    visit admin_proposal_notifications_path
+    expect(page).not_to have_link('Pending')
+    expect(page).to have_link('All')
+    expect(page).to have_link('Confirmed')
+
+    visit admin_proposal_notifications_path(filter: 'Pending')
+    expect(page).not_to have_link('Pending')
+    expect(page).to have_link('All')
+    expect(page).to have_link('Confirmed')
+
+    visit admin_proposal_notifications_path(filter: 'all')
+    expect(page).to have_link('Pending')
+    expect(page).not_to have_link('All')
+    expect(page).to have_link('Confirmed')
+
+    visit admin_proposal_notifications_path(filter: 'with_confirmed_hide')
+    expect(page).to have_link('All')
+    expect(page).to have_link('Pending')
+    expect(page).not_to have_link('Confirmed')
+  end
+
+  scenario "Filtering proposals" do
+    create(:proposal_notification, :hidden, title: "Unconfirmed notification")
+    create(:proposal_notification, :hidden, :with_confirmed_hide, title: "Confirmed notification")
+
+    visit admin_proposal_notifications_path(filter: 'pending')
+    expect(page).to have_content('Unconfirmed notification')
+    expect(page).not_to have_content('Confirmed notification')
+
+    visit admin_proposal_notifications_path(filter: 'all')
+    expect(page).to have_content('Unconfirmed notification')
+    expect(page).to have_content('Confirmed notification')
+
+    visit admin_proposal_notifications_path(filter: 'with_confirmed_hide')
+    expect(page).not_to have_content('Unconfirmed notification')
+    expect(page).to have_content('Confirmed notification')
+  end
+
+  scenario "Action links remember the pagination setting and the filter" do
+    per_page = Kaminari.config.default_per_page
+    (per_page + 2).times { create(:proposal_notification, :hidden, :with_confirmed_hide) }
+
+    visit admin_proposal_notifications_path(filter: 'with_confirmed_hide', page: 2)
+
+    click_on('Restore', match: :first, exact: true)
+
+    expect(current_url).to include('filter=with_confirmed_hide')
+    expect(current_url).to include('page=2')
+  end
+
+end