[英]Testing function call with elvis operator with Mockito in Kotlin
[英]Mockito testing for function with 2 args
我有以下流:
Collection<FieldsMapperMetadata> fieldsMapperMetadataCollection =
Optional.ofNullable(typesMapperDefinition.getFieldMappersDefinitions()).orElse(Collections.emptyList())
.stream()
.map(fieldsMapperDefinition -> fieldsMapperMetadataFactory.apply(typesMapperDefinition, fieldsMapperDefinition))
.collect(Collectors.toList());
我正在尝试使用 mockito 来测试它,但是我在这部分遇到了问题
fieldsMapperDefinition -> fieldsMapperMetadataFactory.apply(typesMapperDefinition, fieldsMapperDefinition)
这是函数签名
private BiFunction<TypesMapperDefinition, FieldsMapperDefinition, FieldsMapperMetadata> fieldsMapperMetadataFactory;
我试图做这样的事情:
Mockito.when(fieldsMapperMetadataFactory.apply(Mockito.eq(typesMapperDefinition1,fieldsMapperDefinition1)).thenReturn(fieldsMapperMetadata1);
但似乎 Mockito.eq 不是正确的方法......对此的任何帮助都会得到帮助
你只传递一个参数给 apply 方法,你应该调用eq()
两次:
Mockito.when(fieldsMapperMetadataFactory
.apply(Mockito.eq(typesMapperDefinition1), Mockito.eq(fieldsMapperDefinition1))
.thenReturn(fieldsMapperMetadata1);
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