RtYamlMappingTest.java 文件源码

/**
 * RtYamlMapping can return null if the specified key is missig.
 */
@Test
public void returnsNullOnMissingKey() {
    Map<YamlNode, YamlNode> mappings = new HashMap<>();
    mappings.put(new Scalar("key3"), Mockito.mock(YamlSequence.class));
    mappings.put(new Scalar("key1"), Mockito.mock(YamlMapping.class));
    RtYamlMapping map = new RtYamlMapping(mappings);
    MatcherAssert.assertThat(
        map.yamlSequence("key4"), Matchers.nullValue()
    );
    MatcherAssert.assertThat(
        map.yamlMapping("key4"), Matchers.nullValue()
    );
    MatcherAssert.assertThat(
        map.string("key4"), Matchers.nullValue()
    );
    MatcherAssert.assertThat(
        map.yamlSequence("key1"), Matchers.nullValue()
    );
}