BigW Consortium Gitlab

tree_spec.rb 2.08 KB
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require 'spec_helper'

describe Tree, models: true do
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  let(:repository) { create(:project, :repository).repository }
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  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