声纳抱怨用nullValue的assertThat [英] Sonar complains about assertThat with nullValue

问题描述

具有使用JUnit 4.12的测试用例:

Having the test case using JUnit 4.12:

import static org.hamcrest.CoreMatchers.nullValue;
import static org.junit.Assert.assertThat;

//...

@Test
public void testShouldReturnNull() {
    final Long result = getIdFunction.apply(null);
    assertThat(result, is(nullValue()));
}

声纳说:

在此测试用例中至少添加一个断言.

Add at least one assertion to this test case.

Sonar为什么说没有断言，如何解决?

Why does Sonar says that there are no assertions and how it can be fixed?

SonarQube v6.7

SonarQube v6.7

推荐答案

我刚刚找到了针对这种情况的解决方案:

I've just found a solution for this case:

此处应使用Hamcrest的MatcherAssert类中的assertThat方法，而不是JUnit的Assert类中的assertThat方法.因此，这里应该在下一次导入时使用

Here should be used assertThat method from Hamcrest's MatcherAssert class instead of JUnit's Assert class. So here should be used next import:

import static org.hamcrest.MatcherAssert.assertThat;

代替:

import static org.junit.Assert.assertThat;

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