47 lines
1.3 KiB
Ruby
47 lines
1.3 KiB
Ruby
require 'rails_helper'
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describe FormHelper do
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describe 'form_errors' do
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it 'returns nil when model has no errors' do
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model = double(errors: [])
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expect(helper.form_errors(model)).to be_nil
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end
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it 'renders an alert div' do
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model = double(errors: errors_stub('Error 1'))
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expect(helper.form_errors(model))
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.to include('<div class="alert alert-danger" id="error_explanation">')
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end
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it 'contains a summary message' do
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single_error = double(errors: errors_stub('A'))
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multi_errors = double(errors: errors_stub('A', 'B', 'C'))
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expect(helper.form_errors(single_error))
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.to include('<h4>The form contains the following error:')
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expect(helper.form_errors(multi_errors))
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.to include('<h4>The form contains the following errors:')
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end
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it 'renders each message' do
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model = double(errors: errors_stub('Error 1', 'Error 2', 'Error 3'))
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errors = helper.form_errors(model)
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aggregate_failures do
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expect(errors).to include('<li>Error 1</li>')
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expect(errors).to include('<li>Error 2</li>')
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expect(errors).to include('<li>Error 3</li>')
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end
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end
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def errors_stub(*messages)
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ActiveModel::Errors.new(double).tap do |errors|
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messages.each { |msg| errors.add(:base, msg) }
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end
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end
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end
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end
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