public void MapFromFileNameWithDefault_WhenEmpty_ThrowsArgumentException(string fileName)
{
var contentTypeProvider = new Mock <IContentTypeProvider>();
var service = new MimeTypeService(contentTypeProvider.Object);
Assert.Throws <ArgumentEmptyException>(() => service.MapFromFileName(fileName, TEST_DEFAULT_MIME_TYPE));
}
public void MapFromFileNameWithDefault_WhenContentTypeNotFound_ReturnsDefault()
{
string fileName = "my-file.jpg";
string contentType = null;
var contentTypeProvider = new Mock <IContentTypeProvider>();
contentTypeProvider.Setup(p => p.TryGetContentType(fileName, out contentType)).Returns(false);
var service = new MimeTypeService(contentTypeProvider.Object);
var result = service.MapFromFileName(fileName, TEST_DEFAULT_MIME_TYPE);
Assert.Equal(TEST_DEFAULT_MIME_TYPE, result);
}
public void MapFromFileName_WhenContentTypeFound_ReturnsMatch()
{
string fileName = "my-file.jpg";
string contentType = JPEG_MIME_TYPE;
var contentTypeProvider = new Mock <IContentTypeProvider>();
contentTypeProvider.Setup(p => p.TryGetContentType(fileName, out contentType)).Returns(true);
var service = new MimeTypeService(contentTypeProvider.Object);
var result = service.MapFromFileName(fileName);
Assert.Equal(contentType, result);
}
