mastodon/spec/helpers/stream_entries_helper_spec.rb

require 'rails_helper'

RSpec.describe StreamEntriesHelper, type: :helper do
  describe '#display_name' do
    it 'uses the display name when it exists' do
      account = Account.new(display_name: "Display", username: "Username")

      expect(helper.display_name(account)).to eq "Display"
    end

    it 'uses the username when display name is nil' do
      account = Account.new(display_name: nil, username: "Username")

      expect(helper.display_name(account)).to eq "Username"
    end
  end

  describe '#stream_link_target' do
    it 'returns nil if it is not an embedded view' do
      set_not_embedded_view

      expect(helper.stream_link_target).to be_nil
    end

    it 'returns _blank if it is an embedded view' do
      set_embedded_view

      expect(helper.stream_link_target).to eq '_blank'
    end
  end

  describe '#acct' do
    it 'is fully qualified for embedded local accounts' do
      allow(Rails.configuration.x).to receive(:local_domain).and_return('local_domain')
      set_embedded_view
      account = Account.new(domain: nil, username: 'user')

      acct = helper.acct(account)

      expect(acct).to eq '@user@local_domain'
    end

    it 'is fully qualified for embedded foreign accounts' do
      set_embedded_view
      account = Account.new(domain: 'foreign_server.com', username: 'user')

      acct = helper.acct(account)

      expect(acct).to eq '@user@foreign_server.com'
    end

    it 'is fully qualified for non embedded foreign accounts' do
      set_not_embedded_view
      account = Account.new(domain: 'foreign_server.com', username: 'user')

      acct = helper.acct(account)

      expect(acct).to eq '@user@foreign_server.com'
    end

    it 'is the shortname for non embedded local accounts' do
      set_not_embedded_view
      account = Account.new(domain: nil, username: 'user')

      acct = helper.acct(account)

      expect(acct).to eq '@user'
    end
  end

  def set_not_embedded_view
    params[:controller] = "not_#{StreamEntriesHelper::EMBEDDED_CONTROLLER}"
    params[:action] = "not_#{StreamEntriesHelper::EMBEDDED_ACTION}"
  end

  def set_embedded_view
    params[:controller] = StreamEntriesHelper::EMBEDDED_CONTROLLER
    params[:action] = StreamEntriesHelper::EMBEDDED_ACTION
  end
  
  describe '#style_classes' do
    it do
      status = double(reblog?: false)
      classes = helper.style_classes(status, false, false, false)

      expect(classes).to eq 'entry'
    end

    it do
      status = double(reblog?: true)
      classes = helper.style_classes(status, false, false, false)

      expect(classes).to eq 'entry entry-reblog'
    end

    it do
      status = double(reblog?: false)
      classes = helper.style_classes(status, true, false, false)

      expect(classes).to eq 'entry entry-predecessor'
    end

    it do
      status = double(reblog?: false)
      classes = helper.style_classes(status, false, true, false)

      expect(classes).to eq 'entry entry-successor'
    end

    it do
      status = double(reblog?: false)
      classes = helper.style_classes(status, false, false, true)

      expect(classes).to eq 'entry entry-center'
    end

    it do
      status = double(reblog?: true)
      classes = helper.style_classes(status, true, true, true)

      expect(classes).to eq 'entry entry-predecessor entry-reblog entry-successor entry-center'
    end
  end

  describe '#microformats_classes' do
    it do
      status = double(reblog?: false)
      classes = helper.microformats_classes(status, false, false)

      expect(classes).to eq ''
    end

    it do
      status = double(reblog?: false)
      classes = helper.microformats_classes(status, true, false)

      expect(classes).to eq 'p-in-reply-to'
    end

    it do
      status = double(reblog?: false)
      classes = helper.microformats_classes(status, false, true)

      expect(classes).to eq 'p-comment'
    end

    it do
      status = double(reblog?: true)
      classes = helper.microformats_classes(status, true, false)

      expect(classes).to eq 'p-in-reply-to p-repost-of'
    end

    it do
      status = double(reblog?: true)
      classes = helper.microformats_classes(status, true, true)

      expect(classes).to eq 'p-in-reply-to p-repost-of p-comment'
    end
  end

  describe '#microformats_h_class' do
    it do
      status = double(reblog?: false)
      css_class = helper.microformats_h_class(status, false, false, false)

      expect(css_class).to eq 'h-entry'
    end

    it do
      status = double(reblog?: true)
      css_class = helper.microformats_h_class(status, false, false, false)

      expect(css_class).to eq 'h-cite'
    end

    it do
      status = double(reblog?: false)
      css_class = helper.microformats_h_class(status, true, false, false)

      expect(css_class).to eq 'h-cite'
    end

    it do
      status = double(reblog?: false)
      css_class = helper.microformats_h_class(status, false, true, false)

      expect(css_class).to eq 'h-cite'
    end

    it do
      status = double(reblog?: false)
      css_class = helper.microformats_h_class(status, false, false, true)

      expect(css_class).to eq ''
    end

    it do
      status = double(reblog?: true)
      css_class = helper.microformats_h_class(status, true, true, true)

      expect(css_class).to eq 'h-cite'
    end
  end
  
  describe '#rtl?' do
    it 'is false if text is empty' do
      expect(helper).not_to be_rtl ''
    end

    it 'is false if there are no right to left characters' do
      expect(helper).not_to be_rtl 'hello world'
    end

    it 'is false if right to left characters are fewer than 1/3 of total text' do
      expect(helper).not_to be_rtl 'hello ݟ world'
    end

    it 'is true if right to left characters are greater than 1/3 of total text' do
      expect(helper).to be_rtl 'aaݟ'
    end
  end
end