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# encoding: utf-8
#
# Copyright March 2018, Jesse Doyle. All rights reserved.
#
# This is free software. Please see the LICENSE and COPYING files for details.
describe Prawn::Icon::Compatibility do
describe '#translate' do
let(:stderr) { StringIO.new }
subject { described_class.new(key: key) }
context 'with a non-deprecated key' do
let(:key) { 'fas-adjust' }
it 'does not write to STDERR' do
value = subject.translate(stderr)
stderr.rewind
expect(stderr.read).to be_empty
end
it 'returns the original key' do
expect(subject.translate(stderr)).to eq(key)
end
end
context 'with a depreacted FontAwesome key' do
let(:key) { 'fa-birthday-cake' }
let(:mapped_key) { 'fas-birthday-cake' }
it 'writes a deprecation warning to STDERR' do
subject.translate(stderr)
stderr.rewind
errors = stderr.read
expect(errors).to include('DEPRECATION')
expect(errors).to include(key)
expect(errors).to include(mapped_key)
end
it 'returns the mapped key' do
expect(subject.translate(stderr)).to eq(mapped_key)
end
end
end
end
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