Assertions

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    Assertions dans le code (validation de paramètres)

    import org.springframework.util.Assert;
Assert.hasLength(...);

    Assertions dans les tests

    JUnit : old fashion

    assertEquals(str1, str2);
assertTrue (val1 < val2);
assertFalse(val1 > val2);
assertNotNull(str1);

    Assertj : more fluent, typed…

    Easier to type,… 

    import static org.assertj.core.api.Assertions.assertThat;

assertThat(str).contains("...");

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