public void GetIncrementalClaims_InvalidInput_ThrowsException()
{
// Arrange
var service = new CsvService();
var fileMock = new Mock <IFormFile>();
// Content missing Product
const string content = @"
Product, Origin Year, Development Year, Incremental Value
1992, 1992, 110.0";
const string fileName = "incremental.csv";
var ms = new MemoryStream();
var writer = new StreamWriter(ms);
writer.Write(content);
writer.Flush();
ms.Position = 0;
fileMock.Setup(_ => _.OpenReadStream()).Returns(ms);
fileMock.Setup(_ => _.FileName).Returns(fileName);
fileMock.Setup(_ => _.Length).Returns(ms.Length);
var file = fileMock.Object;
// Act
Task AsyncTest() => service.GetIncrementalClaims(file);
// Assert
var ex = Assert.ThrowsAsync <CsvException>(AsyncTest);
Assert.AreEqual(CsvExceptionType.FailedToRead, ex.Type);
}
public async Task GetIncrementalClaims_ValidInput_ReturnsClaims()
{
// Arrange
var service = new CsvService();
var fileMock = new Mock <IFormFile>();
const string content = @"
Product, Origin Year, Development Year, Incremental Value
Comp, 1992, 1992, 110.0";
const string fileName = "incremental.csv";
var ms = new MemoryStream();
var writer = new StreamWriter(ms);
writer.Write(content);
writer.Flush();
ms.Position = 0;
fileMock.Setup(_ => _.OpenReadStream()).Returns(ms);
fileMock.Setup(_ => _.FileName).Returns(fileName);
fileMock.Setup(_ => _.Length).Returns(ms.Length);
var file = fileMock.Object;
// Act
var result = await service.GetIncrementalClaims(file);
// Assert
Assert.True(result.Count() == 1);
}