Add test coverage for switching language in darkswarm and admin

config/environments/test.rb

@@ -35,6 +35,7 @@ Openfoodnetwork::Application.configure do
 
   # Tests assume English text on the site.
   config.i18n.default_locale = "en"
+  config.i18n.available_locales = ['en', 'es']
   I18n.locale = config.i18n.locale = config.i18n.default_locale
 
   # Use SQL instead of Active Record's schema dumper when creating the test database.

spec/features/admin/multilingual_spec.rb

@@ -0,0 +1,40 @@
+require 'spec_helper'
+
+feature 'Multilingual', js: true do
+  include AuthenticationWorkflow
+  include WebHelper
+
+  background do
+    login_to_admin_section
+  end
+
+  it 'has two locales available' do
+    expect(Rails.application.config.i18n[:default_locale]).to eq 'en'
+    expect(Rails.application.config.i18n[:locale]).to eq 'en'
+    expect(Rails.application.config.i18n[:available_locales]).to eq ['en', 'es']
+  end
+
+  it 'can switch language by params' do
+    expect(get_i18n_locale).to eq 'en'
+    expect(get_i18n_translation('spree_admin_overview_enterprises_header')).to eq 'My Enterprises'
+    expect(page).to have_content 'My Enterprises'
+
+    visit spree.admin_path(locale: 'es')
+    expect(get_i18n_locale).to eq 'es'
+    expect(get_i18n_translation('spree_admin_overview_enterprises_header')).to eq 'Mis Organizaciones'
+    expect(page).to have_content 'Mis Organizaciones'
+  end
+
+  it 'fallbacks to default_locale' do
+    pending 'current spree core has a bug if not available locale is provided'
+    # undefined method `delete_if' for "translation missing: it.date.month_names":String
+    # inside core/app/views/spree/admin/shared/_translations.html.erb
+
+    # I18n-js fallsback to 'en'
+    visit spree.admin_path(locale: 'it')
+    expect(get_i18n_locale).to eq 'it'
+    expect(get_i18n_translation('spree_admin_overview_enterprises_header')).to eq 'My Enterprises'
+    # This still is italian until we change enforce_available_locales to `true`
+    expect(page).to have_content 'Le Mie Aziende'
+  end
+end

spec/features/consumer/multilingual_spec.rb

@@ -0,0 +1,32 @@
+require 'spec_helper'
+
+feature 'Multilingual', js: true do
+  include WebHelper
+
+  it 'has two locales available' do
+    expect(Rails.application.config.i18n[:default_locale]).to eq 'en'
+    expect(Rails.application.config.i18n[:locale]).to eq 'en'
+    expect(Rails.application.config.i18n[:available_locales]).to eq ['en', 'es']
+  end
+
+  it 'can switch language by params' do
+    visit root_path
+    expect(get_i18n_locale).to eq 'en'
+    expect(get_i18n_translation('label_shops')).to eq 'Shops'
+    expect(page).to have_content 'Interested in getting on the Open Food Network?'
+    expect(page).to have_content 'SHOPS'
+
+    visit root_path(locale: 'es')
+    expect(get_i18n_locale).to eq 'es'
+    expect(get_i18n_translation('label_shops')).to eq 'Tiendas'
+    expect(page).to have_content '¿Estás interesada en entrar en Open Food Network?'
+    expect(page).to have_content 'TIENDAS'
+
+    # I18n-js fallsback to 'en'
+    visit root_path(locale: 'it')
+    expect(get_i18n_locale).to eq 'it'
+    expect(get_i18n_translation('label_shops')).to eq 'Shops'
+    # This still is italian until we change enforce_available_locales to `true`
+    expect(page).to have_content 'NEGOZI'
+  end
+end

spec/support/request/web_helper.rb

@@ -113,6 +113,14 @@ module WebHelper
     DirtyFormDialog.new(page)
   end
 
+  def get_i18n_locale
+    page.evaluate_script("I18n.locale;")
+  end
+
+  def get_i18n_translation(key = nil)
+    page.evaluate_script("I18n.t('#{key}');")
+  end
+
   # Fetch the content of a script block
   # eg. script_content with: 'my-script.com'
   # Returns nil if not found