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Diffstat (limited to 'spec/helpers/listbox_helper_spec.rb')
-rw-r--r-- | spec/helpers/listbox_helper_spec.rb | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/spec/helpers/listbox_helper_spec.rb b/spec/helpers/listbox_helper_spec.rb new file mode 100644 index 00000000000..8935d69d4f7 --- /dev/null +++ b/spec/helpers/listbox_helper_spec.rb @@ -0,0 +1,75 @@ +# frozen_string_literal: true + +require 'spec_helper' + +RSpec.describe ListboxHelper do + subject do + tag = helper.gl_redirect_listbox_tag(items, selected, html_options) + Nokogiri::HTML.fragment(tag).children.first + end + + before do + allow(helper).to receive(:sprite_icon).with( + 'chevron-down', + css_class: 'gl-button-icon dropdown-chevron gl-icon' + ).and_return('<span class="icon"></span>'.html_safe) + end + + let(:selected) { 'bar' } + let(:html_options) { {} } + let(:items) do + [ + { value: 'foo', text: 'Foo' }, + { value: 'bar', text: 'Bar' } + ] + end + + describe '#gl_redirect_listbox_tag' do + it 'creates root element with expected classes' do + expect(subject.classes).to include(*%w[ + dropdown + b-dropdown + gl-new-dropdown + btn-group + js-redirect-listbox + ]) + end + + it 'sets data attributes for items and selected' do + expect(subject.attributes['data-items'].value).to eq(items.to_json) + expect(subject.attributes['data-selected'].value).to eq(selected) + end + + it 'adds styled button' do + expect(subject.at_css('button').classes).to include(*%w[ + btn + dropdown-toggle + btn-default + btn-md + gl-button + gl-dropdown-toggle + ]) + end + + it 'sets button text to selected item' do + expect(subject.at_css('button').content).to eq('Bar') + end + + context 'given html_options' do + let(:html_options) { { class: 'test-class', data: { qux: 'qux' } } } + + it 'applies them to the root element' do + expect(subject.attributes['data-qux'].value).to eq('qux') + expect(subject.classes).to include('test-class') + end + end + + context 'when selected does not match any item' do + let(:selected) { 'qux' } + + it 'raises an error' do + expect { subject }.to raise_error(ArgumentError, /cannot find qux/) + end + end + end +end |