@TestPropertySource 不适用于 Spring 1.2.6 中使用 AnnotationConfigContextLoader 的 JUnit 测试

问题描述

我在 Spring 4.1.17 中使用 Spring Boot 1.2.6.RELEASE 所做的任何事情似乎都不起作用.我只想访问应用程序属性并在必要时用测试覆盖它们(不使用 hack 手动注入 PropertySource)

It doesn't seem that anything I do in Spring 4.1.17 with Spring Boot 1.2.6.RELEASE works at all. I just want to access the application properties and override them with test if necessary (without using the hack to inject a PropertySource manually)

这不起作用..

@TestPropertySource(properties = {"elastic.index=test_index"})

这也不是..

@TestPropertySource(locations = "/classpath:document.properties")

也不是这个..

@PropertySource("classpath:/document.properties")

完整的测试用例..

@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(loader = AnnotationConfigContextLoader.class)
@TestPropertySource(properties = {"elastic.index=test_index"})
public class PropertyTests {
    @Value("${elastic.index}")
    String index;

    @Configuration
    @TestPropertySource(properties = {"elastic.index=test_index"})
    static class ContextConfiguration {
    }

    @Test
    public void wtf() {
        assertEquals("test_index", index);
    }
}

导致

org.junit.ComparisonFailure: 
Expected :test_index
Actual   :${elastic.index}

似乎 3.x 和 4.x 之间有很多相互矛盾的信息，我找不到任何可以肯定的内容.

It seems there is a lot of conflicting information between 3.x and 4.x and I can't find anything that will work for sure.

任何见解将不胜感激.干杯！

Any insight would be gratefully appreciated. Cheers!

推荐答案

您对 @Value 的使用需要一个 PropertySourcesPlaceholderConfigurer bean 来解析 ${...} 占位符.请参阅此处接受的答案:@Value not set via Java-configured test context

Your use of @Value requires a PropertySourcesPlaceholderConfigurer bean to resolve ${...} placeholders. See the accepted answer here: @Value not set via Java-configured test context

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