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[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());
我正在嘗試使用 mockito 來測試它,但是我在這部分遇到了問題
fieldsMapperDefinition -> fieldsMapperMetadataFactory.apply(typesMapperDefinition, fieldsMapperDefinition)
這是函數簽名
private BiFunction<TypesMapperDefinition, FieldsMapperDefinition, FieldsMapperMetadata> fieldsMapperMetadataFactory;
我試圖做這樣的事情:
Mockito.when(fieldsMapperMetadataFactory.apply(Mockito.eq(typesMapperDefinition1,fieldsMapperDefinition1)).thenReturn(fieldsMapperMetadata1);
但似乎 Mockito.eq 不是正確的方法......對此的任何幫助都會得到幫助
你只傳遞一個參數給 apply 方法,你應該調用eq()
兩次:
Mockito.when(fieldsMapperMetadataFactory
.apply(Mockito.eq(typesMapperDefinition1), Mockito.eq(fieldsMapperDefinition1))
.thenReturn(fieldsMapperMetadata1);
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