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require 'spec_helper'
describe MergeRequests::MergeRequestDiffCacheService do
let(:subject) { described_class.new }
describe '#execute' do
it 'retrieves the diff files to cache the highlighted result' do
merge_request = create(:merge_request)
cache_key = [merge_request.merge_request_diff, 'highlighted-diff-files', Gitlab::Diff::FileCollection::MergeRequestDiff.default_options]
expect(Rails.cache).to receive(:read).with(cache_key).and_return({})
expect(Rails.cache).to receive(:write).with(cache_key, anything)
allow_any_instance_of(Gitlab::Diff::File).to receive(:blob).and_return(double("text?" => true))
allow_any_instance_of(Repository).to receive(:diffable?).and_return(true)
subject.execute(merge_request)
end
end
end
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