/// <summary>
/// Ensures that the response has the required headers for conditional HTTP usage.
/// </summary>
/// <param name="expected">The <see cref="ITableData"/> representing the entity returned.</param>
/// <param name="response">The response to check.</param>
public static void ResponseHasConditionalHeaders(ITableData expected, HttpResponseMessage response)
{
var lastModified = expected.UpdatedAt.ToString(DateTimeFormatInfo.InvariantInfo.RFC1123Pattern, CultureInfo.InvariantCulture);
HasHeader(response, HeaderNames.ETag, expected.GetETag());
HasHeader(response, HeaderNames.LastModified, lastModified);
}
public void GetETag_Null_WhenNullEntity()
{
// Arrange
ITableData entity = null;
// Act
string actual = entity.GetETag();
// Assert
Assert.Null(actual);
}
/// <summary>
/// Adds the appropriate headers to the provided header dictionary, based on the
/// system properties within the entity.
/// </summary>
/// <param name="headers">The <see cref="IHeaderDictionary"/> to adjust.</param>
/// <param name="entity">The entity to use as source for the headers.</param>
internal static void AddFromEntity(this IHeaderDictionary headers, ITableData entity)
{
if (entity != null)
{
if (entity.HasValidVersion())
{
headers.Remove(HeaderNames.ETag);
headers.Add(HeaderNames.ETag, entity.GetETag());
}
if (entity.UpdatedAt != default)
{
headers.Remove(HeaderNames.LastModified);
headers.Add(HeaderNames.LastModified, entity.UpdatedAt.ToString(DateTimeFormatInfo.InvariantInfo.RFC1123Pattern, CultureInfo.InvariantCulture));
}
}
}