private static void VerifyServedReadQueries(Context context, ClusterAddresses clusterAddresses)
{
foreach (var address in clusterAddresses.Followers)
{
context.GetReadQueries(address).Should()
.BePositive("Follower {0} did not serve any read queries", address);
}
foreach (var address in clusterAddresses.ReadReplicas)
{
context.GetReadQueries(address).Should()
.BePositive("Read replica {0} did not serve any read queries", address);
}
}
private static void VerifyServedSimilarAmountOfReadQueries(Context context, ClusterAddresses clusterAddresses)
{
void Verify(string serverType, IEnumerable <string> addresses)
{
var expectedMagnitude = -1;
foreach (var address in addresses)
{
var queries = context.GetReadQueries(address);
var orderOfMagnitude = GetOrderOfMagnitude(queries);
if (expectedMagnitude == -1)
{
expectedMagnitude = orderOfMagnitude;
}
orderOfMagnitude.Should().BeInRange(expectedMagnitude - 1, expectedMagnitude + 1,
"{0} {1} is expected to server similar amount of queries. Context: {2}.", serverType, address,
context);
}
}
Verify("Follower", clusterAddresses.Followers);
Verify("Read-replica", clusterAddresses.ReadReplicas);
}