nairobi/spec/models/i18n_content_spec.rb

require 'rails_helper'

RSpec.describe I18nContent, type: :model do
  let(:i18n_content) { build(:i18n_content) }

  it 'is valid' do
    expect(i18n_content).to be_valid
  end

  it 'is not valid if key is not unique' do
    new_content = create(:i18n_content)

    expect(i18n_content).not_to be_valid
    expect(i18n_content.errors.size).to eq(1)
  end

  context 'Scopes' do
    it 'return one record when #by_key is used' do
      content      = create(:i18n_content)
      key          = 'debates.form.debate_title'
      debate_title = create(:i18n_content, key: key)

      expect(I18nContent.all.size).to eq(2)

      query = I18nContent.by_key(key)

      expect(query.size).to eq(1)
      expect(query).to eq([debate_title])
    end

    it 'return all matching records when #begins_with_key is used' do
      debate_text    = create(:i18n_content, key: 'debates.form.debate_text')
      debate_title   = create(:i18n_content, key: 'debates.form.debate_title')
      proposal_title = create(:i18n_content, key: 'proposals.form.proposal_title')

      expect(I18nContent.all.size).to eq(3)

      query = I18nContent.begins_with_key('debates')

      expect(query.size).to eq(2)
      expect(query).to eq([debate_text, debate_title])
      expect(query).not_to include(proposal_title)
    end
  end

  context 'Globalize' do
    it 'translates key into multiple languages' do
      key = 'devise_views.mailer.confirmation_instructions.welcome'
      welcome = build(:i18n_content, key: key, value_en: 'Welcome', value_es: 'Bienvenido')

      expect(welcome.value_en).to eq('Welcome')
      expect(welcome.value_es).to eq('Bienvenido')
    end

    it 'responds to locales defined on model' do
      expect(i18n_content).to respond_to(:value_en)
      expect(i18n_content).to respond_to(:value_es)
      expect(i18n_content).not_to respond_to(:value_de)
    end

    it 'returns nil if translations are not available' do
      expect(i18n_content.value_en).to eq('Text in english')
      expect(i18n_content.value_es).to eq('Texto en español')
      expect(i18n_content.value_nl).to be(nil)
      expect(i18n_content.value_fr).to be(nil)
    end

    it 'responds accordingly to the current locale' do
      expect(i18n_content.value).to eq('Text in english')

      Globalize.locale = :es

      expect(i18n_content.value).to eq('Texto en español')
    end
  end

  describe '#flat_hash' do
    it 'uses one parameter' do
      expect(I18nContent.flat_hash(nil)).to eq({
        nil => nil
      })

      expect(I18nContent.flat_hash('string')).to eq({
        nil => 'string'
      })

      expect(I18nContent.flat_hash({ w: 'string' })).to eq({
        'w' => 'string'
      })

      expect(I18nContent.flat_hash({ w: { p: 'string' } })).to eq({
        'w.p' => 'string'
      })
    end

    it 'uses the first two parameters' do
      expect(I18nContent.flat_hash('string', 'f')).to eq({
        'f' => 'string'
      })

      expect(I18nContent.flat_hash(nil, 'f')).to eq({
        'f' => nil
      })

      expect(I18nContent.flat_hash({ w: 'string' }, 'f')).to eq({
        'f.w' => 'string'
      })

      expect(I18nContent.flat_hash({ w: { p: 'string' } }, 'f')).to eq({
        'f.w.p' => 'string'
      })
    end

    it 'uses the first and last parameters' do
      expect {
        I18nContent.flat_hash('string', nil, 'not hash')
      }.to raise_error(NoMethodError)

      expect(I18nContent.flat_hash(nil, nil, { q: 'other string' })).to eq({
        q: 'other string',
        nil => nil
      })

      expect(I18nContent.flat_hash({ w: 'string' }, nil, { q: 'other string' })).to eq({
        q: 'other string',
        'w' => 'string'
      })

      expect(I18nContent.flat_hash({w: { p: 'string' } }, nil, { q: 'other string' })).to eq({
        q: 'other string',
        'w.p' => 'string'
      })
    end

    it 'uses all parameters' do
      expect {
        I18nContent.flat_hash('string', 'f', 'not hash')
      }.to raise_error NoMethodError

      expect(I18nContent.flat_hash(nil, 'f', { q: 'other string' })).to eq({
        q: 'other string',
        'f' => nil
      })

      expect(I18nContent.flat_hash({ w: 'string' }, 'f', { q: 'other string' })).to eq({
        q: 'other string',
        'f.w' => 'string'
      })

      expect(I18nContent.flat_hash({ w: { p: 'string' } }, 'f', { q: 'other string' })).to eq({
        q: 'other string',
        'f.w.p' => 'string'
      })
    end
  end
end