final String [] expectedInputs = new String[]{"first","second"};
final String expectedFirstDescription = "this is the first input";
final String expectedProductDescription = "this is the product of the inputs";
final String expectedCommandLine ="src/test/resources/commandLine/arith.bat";
assertEquals(Arrays.asList(expectedOutputs), domain.outputs(SOURCE));
assertEquals(Arrays.asList(expectedInputs), domain.inputs(SOURCE));
assertEquals(expectedFirstDescription, domain.inputDescription(SOURCE, "first"));
assertEquals(expectedProductDescription, domain.outputDescription(SOURCE, "product"));