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Spring + JUnit で parameterized test

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  • RunWithにSpringJUnit4ClassRunner.classではなくParameterized.classを指定する
  • BeforeでTestContextManagerをsetupする
  • ParametersとParameterを書く



@SpringApplicationConfiguration(classes = Application.class)
public class SomeServiceTest {

    SomeService service;

    public static Collection<Object[]> data() {
        return Arrays.asList(new Object[][] {
                { "hoge_", "xxx" },
                { "~~", "xxx" },
                { "af%", "xxx" },
                { "toooooooooooooooooooooooooooooooooooooooooooooooooooooolong", "xxx" }

    // <= data[n][0]
    String fString;

    // <= data[n][1]
    String fExp;

    private TestContextManager testContextManager;

    public void setupContext() throws Exception {
        testContextManager = new TestContextManager(getClass());

    public void testSome() {
        assertThat(service.doSome(fString), is(fExp));
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