public async Task Authorize_WillObtainServerTimeAndPersist_ShouldShowValuesAreCalculated()
{
var client = GetRestClient();
// configure the AblyAuth test wrapper to return UTC+30m when ServerTime() is called
// (By default the library uses DateTimeOffset.UtcNow whe Now() is called)
var testAblyAuth = new TestAblyAuth(client.Options, client, () => Task.FromResult(DateTimeOffset.UtcNow.AddMinutes(30)));
// RSA10k: If the AuthOption argument’s queryTime attribute is true
// it will obtain the server time once and persist the offset from the local clock.
testAblyAuth.Options.QueryTime = true;
var tokenParams = new TokenParams();
testAblyAuth.Options.QueryTime = true;
await testAblyAuth.AuthorizeAsync(tokenParams);
// to show the values are calculated and not fixed
// get the current server time offset, pause for a short time,
// then get it again.
// The new value should represent a time after the first
var snapshot = testAblyAuth.GetServerNow();
await Task.Delay(500);
testAblyAuth.GetServerNow()?.Should().BeAfter(snapshot.Value);
}
public async Task Authorize_WillObtainServerTimeAndPersistTheOffsetFromTheLocalClock()
{
var client = GetRestClient();
bool serverTimeCalled = false;
// configure the AblyAuth test wrapper to return UTC+30m when ServerTime() is called
// (By default the library uses DateTimeOffset.UtcNow whe Now() is called)
var testAblyAuth = new TestAblyAuth(client.Options, client, () =>
{
serverTimeCalled = true;
return(Task.FromResult(DateTimeOffset.UtcNow.AddMinutes(30)));
});
// RSA10k: If the AuthOption argument’s queryTime attribute is true
// it will obtain the server time once and persist the offset from the local clock.
var tokenParams = new TokenParams();
testAblyAuth.Options.QueryTime = true;
await testAblyAuth.AuthorizeAsync(tokenParams);
serverTimeCalled.Should().BeTrue();
testAblyAuth.GetServerNow().Should().HaveValue();
const int precision = 1000;
testAblyAuth.GetServerNow()?.Should().BeCloseTo(await testAblyAuth.GetServerTime(), TimeSpan.FromMilliseconds(precision)); // Allow 1s clock skew
testAblyAuth.GetServerNow()?.Should().BeCloseTo(DateTimeOffset.UtcNow.AddMinutes(30), TimeSpan.FromMilliseconds(precision)); // Allow 1s clock skew
}
public async Task Authorize_ObtainServerTimeAndPersistOffset_ShouldShowServerTimeIsCalledOnlyOnce()
{
var client = GetRestClient();
bool serverTimeCalled = false;
// configure the AblyAuth test wrapper to return UTC+30m when ServerTime() is called
// (By default the library uses DateTimeOffset.UtcNow whe Now() is called)
var testAblyAuth = new TestAblyAuth(client.Options, client, () =>
{
serverTimeCalled = true;
return(Task.FromResult(DateTimeOffset.UtcNow.AddMinutes(30)));
});
// RSA10k: If the AuthOption argument’s queryTime attribute is true
// it will obtain the server time once and persist the offset from the local clock.
var tokenParams = new TokenParams();
testAblyAuth.Options.QueryTime = true;
await testAblyAuth.AuthorizeAsync(tokenParams);
// to show the values are calculated and not fixed
// get the current server time offset, pause for a short time,
// then get it again.
// The new value should represent a time after the first
testAblyAuth.GetServerNow();
// reset flag, used to show ServerTime() is not called again
serverTimeCalled = false;
// RSA10k: All future token requests generated directly or indirectly via a call to
// authorize will not obtain the server time, but instead use the local clock
// offset to calculate the server time.
await testAblyAuth.AuthorizeAsync();
// ServerTime() should not have been called again
serverTimeCalled.Should().BeFalse();
// and we should still be getting calculated offsets
testAblyAuth.GetServerNow().Should().HaveValue();
const int precision = 1000;
testAblyAuth.GetServerNow()?.Should().BeCloseTo(await testAblyAuth.GetServerTime(), TimeSpan.FromMilliseconds(precision));
testAblyAuth.GetServerNow()?.Should().BeCloseTo(DateTimeOffset.UtcNow.AddMinutes(30), TimeSpan.FromMilliseconds(precision));
}