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# frozen_string_literal: true
require 'spec_helper'
RSpec.describe FormHelper do
describe 'form_errors' do
it 'returns nil when model has no errors' do
model = double(errors: [])
expect(helper.form_errors(model)).to be_nil
end
it 'renders an appropriately styled alert div' do
model = double(errors: errors_stub('Error 1'))
expect(helper.form_errors(model, pajamas_alert: false))
.to include('<div class="alert alert-danger" id="error_explanation">')
expect(helper.form_errors(model, pajamas_alert: true))
.to include(
'<div class="gl-alert gl-mb-5 gl-alert-danger gl-alert-not-dismissible" id="error_explanation" role="alert">'
)
end
it 'contains a summary message' do
single_error = double(errors: errors_stub('A'))
multi_errors = double(errors: errors_stub('A', 'B', 'C'))
expect(helper.form_errors(single_error))
.to include('The form contains the following error:')
expect(helper.form_errors(multi_errors))
.to include('The form contains the following errors:')
end
it 'renders each message' do
model = double(errors: errors_stub('Error 1', 'Error 2', 'Error 3'))
errors = helper.form_errors(model)
aggregate_failures do
expect(errors).to include('<li>Error 1</li>')
expect(errors).to include('<li>Error 2</li>')
expect(errors).to include('<li>Error 3</li>')
end
end
it 'renders messages truncated if requested' do
model = double(errors: errors_stub('Error 1', 'Error 2'))
model.errors.add(:title, 'is truncated')
model.errors.add(:base, 'Error 3')
expect(model.class).to receive(:human_attribute_name) do |attribute|
attribute.to_s.capitalize
end
errors = helper.form_errors(model, truncate: :title)
aggregate_failures do
expect(errors).to include('<li>Error 1</li>')
expect(errors).to include('<li>Error 2</li>')
expect(errors).to include('<li><span class="str-truncated-100">Title is truncated</span></li>')
expect(errors).to include('<li>Error 3</li>')
end
end
it 'renders help page links' do
stubbed_errors = ActiveModel::Errors.new(double).tap do |errors|
errors.add(:base, 'No text.', help_page_url: 'http://localhost/doc/user/index.html')
errors.add(
:base,
'With text.',
help_link_text: 'Documentation page title.',
help_page_url: 'http://localhost/doc/administration/index.html'
)
errors.add(
:base,
'With HTML text.',
help_link_text: '<foo>',
help_page_url: 'http://localhost/doc/security/index.html'
)
end
model = double(errors: stubbed_errors)
errors = helper.form_errors(model)
aggregate_failures do
expect(errors).to include(
'<li>No text. <a target="_blank" rel="noopener noreferrer" ' \
'href="http://localhost/doc/user/index.html">Learn more.</a></li>'
)
expect(errors).to include(
'<li>With text. <a target="_blank" rel="noopener noreferrer" ' \
'href="http://localhost/doc/administration/index.html">Documentation page title.</a></li>'
)
expect(errors).to include(
'<li>With HTML text. <a target="_blank" rel="noopener noreferrer" ' \
'href="http://localhost/doc/security/index.html"><foo></a></li>'
)
end
end
def errors_stub(*messages)
ActiveModel::Errors.new(double).tap do |errors|
messages.each { |msg| errors.add(:base, msg) }
end
end
end
end
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