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# frozen_string_literal: true
require 'spec_helper'
RSpec.describe Tree, feature_category: :source_code_management do
subject(:tree) { described_class.new(repository, '54fcc214') }
let_it_be(:repository) { create(:project, :repository).repository }
describe '#readme' do
subject { tree.readme }
before do
allow(tree).to receive(:blobs).and_return(files)
end
context 'when repository does not contains a README file' do
let(:files) { [fake_blob('file'), fake_blob('license'), fake_blob('copying')] }
it { is_expected.to be_nil }
end
context 'when repository does not contains a previewable README file' do
let(:files) { [fake_blob('file'), fake_blob('README.pages'), fake_blob('README.png')] }
it { is_expected.to be_nil }
end
context 'when repository contains a previewable README file' do
let(:files) { [fake_blob('README.png'), fake_blob('README'), fake_blob('file')] }
it { is_expected.to have_attributes(name: 'README') }
end
context 'when repository contains more than one README file' do
let(:files) { [fake_blob('file'), fake_blob('README.md'), fake_blob('README.asciidoc')] }
it 'returns first previewable README' do
is_expected.to have_attributes(name: 'README.md')
end
context 'when only plain-text READMEs' do
let(:files) { [fake_blob('file'), fake_blob('README'), fake_blob('README.txt')] }
it 'returns first plain text README' do
is_expected.to have_attributes(name: 'README')
end
end
end
context 'when the repository has a previewable and plain text READMEs' do
let(:files) { [fake_blob('file'), fake_blob('README'), fake_blob('README.md')] }
it 'prefers previewable README file' do
is_expected.to have_attributes(name: 'README.md')
end
end
end
describe '#cursor' do
subject { tree.cursor }
it { is_expected.to be_an_instance_of(Gitaly::PaginationCursor) }
end
private
def fake_blob(name)
instance_double(Gitlab::Git::Blob, name: name)
end
end
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