require 'spec_helper' describe LicenseTemplate do describe '#content' do it 'calls a proc exactly once if provided' do lazy = build_template(-> { 'bar' }) content = lazy.content expect(content).to eq('bar') expect(content.object_id).to eq(lazy.content.object_id) content.replace('foo') expect(lazy.content).to eq('foo') end it 'returns a string if provided' do lazy = build_template('bar') expect(lazy.content).to eq('bar') end end describe '#resolve!' do let(:content) do <<~TEXT Pretend License [project] Copyright (c) [year] [fullname] TEXT end let(:expected) do <<~TEXT Pretend License Foo Project Copyright (c) 1985 Nick Thomas TEXT end let(:template) { build_template(content) } it 'updates placeholders in a copy of the template content' do expect(template.content.object_id).to eq(content.object_id) template.resolve!(project_name: "Foo Project", fullname: "Nick Thomas", year: "1985") expect(template.content).to eq(expected) expect(template.content.object_id).not_to eq(content.object_id) end end def build_template(content) described_class.new(id: 'foo', name: 'foo', category: :Other, content: content) end end