describe ClamavService do describe '.safe_file?' do let(:path_file) { '/tmp/plop.txt' } subject { ClamavService.safe_file?(path_file) } before do client = double("ClamAV::Client", execute: [response]) allow(ClamAV::Client).to receive(:new).and_return(client) allow(FileUtils).to receive(:chmod).with(0666, path_file).and_return(true) end context 'When response type is ClamAV::SuccessResponse' do let(:response) { ClamAV::SuccessResponse.new("OK") } it { expect(subject).to eq(true) } end context 'When response type is ClamAV::VirusResponse' do let(:response) { ClamAV::VirusResponse.new("KO", "VirusN4ame") } it { expect(subject).to eq(false) } end context 'When response type is ClamAV::ErrorResponse' do let(:response) { ClamAV::ErrorResponse.new("File not found") } it { expect { subject }.to raise_error("ClamAV ErrorResponse : File not found") } end end end