Create multiple parameter sets in one parameterized class (junit)

Question

Currently I have to create a parameterized test class for every method that I want to test with several different inputs. Is there a way to add this together in one file?

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Answer 1

you can use parameters with https://github.com/piotrturski/zohhak:

@TestWith({
   "1, 7, 8",
   "2, 9, 11"
})
public void addTest(int number1, int number2, int expectedResult) {
    BigDecimal result = calculator.add(number1, number2);
    assertThat(result).isEqualTo...
}

if you want to load parameters from file, you can use http://code.google.com/p/fuzztester/ or http://code.google.com/p/junitparams/

and if you need real flexibility you can use junit's @Parameterized but it clutters your code. you can also use junit's Theories - but it seems an overkill for calculator tests