require 'spec_helper' describe Tree do let(:repository) { create(:project, :repository).repository } let(:sha) { repository.root_ref } subject { described_class.new(repository, '54fcc214') } describe '#readme' do class FakeBlob attr_reader :name def initialize(name) @name = name end def readme? name =~ /^readme/i end end it 'returns nil when repository does not contains a README file' do files = [FakeBlob.new('file'), FakeBlob.new('license'), FakeBlob.new('copying')] expect(subject).to receive(:blobs).and_return(files) expect(subject.readme).to eq nil end it 'returns nil when repository does not contains a previewable README file' do files = [FakeBlob.new('file'), FakeBlob.new('README.pages'), FakeBlob.new('README.png')] expect(subject).to receive(:blobs).and_return(files) expect(subject.readme).to eq nil end it 'returns README when repository contains a previewable README file' do files = [FakeBlob.new('README.png'), FakeBlob.new('README'), FakeBlob.new('file')] expect(subject).to receive(:blobs).and_return(files) expect(subject.readme.name).to eq 'README' end it 'returns first previewable README when repository contains more than one' do files = [FakeBlob.new('file'), FakeBlob.new('README.md'), FakeBlob.new('README.asciidoc')] expect(subject).to receive(:blobs).and_return(files) expect(subject.readme.name).to eq 'README.md' end it 'returns first plain text README when repository contains more than one' do files = [FakeBlob.new('file'), FakeBlob.new('README'), FakeBlob.new('README.txt')] expect(subject).to receive(:blobs).and_return(files) expect(subject.readme.name).to eq 'README' end it 'prioritizes previewable README file over one in plain text' do files = [FakeBlob.new('file'), FakeBlob.new('README'), FakeBlob.new('README.md')] expect(subject).to receive(:blobs).and_return(files) expect(subject.readme.name).to eq 'README.md' end end end