public void ShouldConvertRetrievedDataToUppercase()
{
// given
var storageBrokerMock = new Mock <IStorageBroker>();
var returnedDataFiller =
new Filler <string>();
List <string> returnedData =
returnedDataFiller.Create(10).ToList();
List <string> expectedResult =
returnedData.Select(item => item.ToUpper())
.ToList();
storageBrokerMock.Setup(broker => broker.GetAllData())
.Returns(returnedData);
// when
var dataProcessorService =
new DataProcessorService(storageBrokerMock.Object);
List <string> actualResult = dataProcessorService.ProcessData();
// then
storageBrokerMock.Verify(broker =>
broker.GetAllData(),
Times.Once,
"Storage broker should be called at least once for data processing.");
actualResult.Should().BeEquivalentTo(
expectedResult,
because: "Returned lists should be both uppercase.");
}
public void ShouldReturnUpperCaseData()
{
// given
var storageBrokerMock = new Mock <IStorageBroker>();
var storageDataFiller = new Filler <string>();
List <string> storageData = storageDataFiller.Create(10).ToList();
storageBrokerMock.Setup(broker => broker.GetAllData())
.Returns(storageData);
List <string> expectedResult = storageData.Select(data => data.ToUpper()).ToList();
// when
var dataProcessorService = new DataProcessorService(storageBrokerMock.Object);
List <string> actualResult = dataProcessorService.ProcessData();
// then
// Verify broker was called Only once during test
storageBrokerMock.Verify(broker =>
broker.GetAllData(),
Times.Once,
"Storage broker should be called at least once for data processing");
actualResult.Should().BeEquivalentTo(
expectedResult,
because: "Returned items in list should be uppercase.");
}
