sync_spec.rb

context 'when a custom script is provided' do
      mirror_with_custom_script = OpenStruct.new(name: 'dummy_mirror',
                                                 local_dir: tmp_dir,
                                                 custom_script: true)

      let(:sync) { Sync.new(mirror_with_custom_script) }

      it 'should run the custom script instead of the rsync gem' do
        expect(Marz::Rsync).not_to receive(:run)
        expect(sync).to receive(:execute_custom_script).with(mirror_with_custom_script.custom_script)
        sync.run
      end

      context 'when the custom script succeeds' do
        it 'should update database sync status to SUCCESS' do
          puts mirror_with_custom_script.custom_script
          expect(DB).to receive(:update_sync_result).with(SyncStatus::SUCCESS)
          sync.run
        end
      end

      context 'when it raises Errno::ENOENT' do
        mirror_with_custom_script.custom_script = 'nonExistingScript'
        it 'should update database sync status to FAILED' do
          allow(sync).to receive(:exit).and_throw :exit
          expect(DB).to receive(:update_sync_result).with(SyncStatus::FAILED)
          expect { sync.run }.to throw_symbol :exit
        end
        it 'should log the error' do
          allow(sync).to receive(:exit).and_throw :exit
          expect(logger).to receive(:log_error).with(/No such file or directory - nonExistingScript/)
          expect { sync.run }.to throw_symbol :exit
        end
      end

      context 'when the custom script fails' do
        it 'should update database sync status to FAILED without logging anything' do
          mirror_with_custom_script.custom_script = '(exit 1)'
          allow(sync).to receive(:exit).and_throw :exit
          expect(DB).to receive(:update_sync_result).with(SyncStatus::FAILED)
          expect(logger).not_to receive(:log_error)
          expect { sync.run }.to throw_symbol :exit
        end
      end
    end