public void HandlesInvalidHeaderValues()
{
var headers = new Dictionary <string, string>
{
{ "X-RateLimit-Limit", "XXX" },
{ "X-RateLimit-Remaining", "XXXX" },
{ "X-RateLimit-Reset", "XXXX" },
{ "Date", "XXX" },
{ ApiInfoParser.ReceivedTimeHeaderName, "XXX" },
};
var response = CreateResponse(HttpStatusCode.Forbidden, headers);
var exception = new RateLimitExceededException(response);
Assert.Equal(HttpStatusCode.Forbidden, exception.StatusCode);
Assert.Equal(0, exception.Limit);
Assert.Equal(0, exception.Remaining);
var expectedReset = DateTimeOffset.ParseExact(
"Thu 01 Jan 1970 0:00:00 AM -00:00",
"ddd dd MMM yyyy h:mm:ss tt zzz",
CultureInfo.InvariantCulture);
Assert.Equal(expectedReset, exception.Reset);
Assert.Equal(TimeSpan.Zero, exception.GetRetryAfterTimeSpan());
}
public void ReturnsSkewedDistanceFromReset()
{
// One hour into the future is hopefully long enough to still be
// in the future at the end of this method
var resetTime = DateTimeOffset.Now + TimeSpan.FromHours(1);
var recvDate = new DateTimeOffset(2020, 06, 07, 12, 00, 00, TimeSpan.Zero);
var skew = TimeSpan.FromSeconds(-5);
var response = CreateResponse(HttpStatusCode.Forbidden,
new Dictionary <string, string>
{
["X-RateLimit-Limit"] = "100",
["X-RateLimit-Remaining"] = "0",
["X-RateLimit-Reset"] = resetTime.ToUnixTimeSeconds()
.ToString(CultureInfo.InvariantCulture),
["Date"] = (recvDate + skew).ToString("r"),
[ApiInfoParser.ReceivedTimeHeaderName] = recvDate.ToString("r"),
});
Assert.Equal(skew, response.ApiInfo.ServerTimeDifference);
var except = new RateLimitExceededException(response);
var timeToReset = except.GetRetryAfterTimeSpan();
Assert.NotEqual(TimeSpan.Zero, timeToReset);
Assert.InRange(timeToReset, TimeSpan.Zero, TimeSpan.FromHours(1));
}
public void HandlesMissingHeaderValues()
{
var response = CreateResponse(HttpStatusCode.Forbidden);
var exception = new RateLimitExceededException(response);
Assert.Equal(HttpStatusCode.Forbidden, exception.StatusCode);
Assert.Equal(0, exception.Limit);
Assert.Equal(0, exception.Remaining);
var expectedReset = DateTimeOffset.ParseExact(
"Thu 01 Jan 1970 0:00:00 AM -00:00",
"ddd dd MMM yyyy h:mm:ss tt zzz",
CultureInfo.InvariantCulture);
Assert.Equal(expectedReset, exception.Reset);
Assert.Equal(TimeSpan.Zero, exception.GetRetryAfterTimeSpan());
}
public void ReturnsZeroIfSkewedResetInPast()
{
var beginTime = DateTimeOffset.Now;
var resetTime = beginTime - TimeSpan.FromHours(1);
var response = CreateResponse(HttpStatusCode.Forbidden,
new Dictionary <string, string>
{
["X-RateLimit-Limit"] = "100",
["X-RateLimit-Remaining"] = "0",
["X-RateLimit-Reset"] = resetTime.ToUnixTimeSeconds()
.ToString(CultureInfo.InvariantCulture),
["Date"] = beginTime.ToString("r"),
[ApiInfoParser.ReceivedTimeHeaderName] = beginTime.ToString("r"),
});
Assert.Equal(TimeSpan.Zero, response.ApiInfo.ServerTimeDifference);
var except = new RateLimitExceededException(response);
var timeToReset = except.GetRetryAfterTimeSpan();
Assert.Equal(TimeSpan.Zero, timeToReset);
}