public void GetSubscriptionInfos_ReturnsSubscriberCountEqualsTimesAddedAndSubtracted_MultipleQueries()
{
var querySubscription = new QuerySubscriptions();
var queryCount = 2;
var query = new SingleQuoteQuery(1);
var queryCount2 = 3;
var query2 = new SingleQuoteQuery(2);
for (var i = 0; i < queryCount; i++)
{
querySubscription.AddSubscriber(query);
}
for (var i = 0; i < queryCount2; i++)
{
querySubscription.AddSubscriber(query2);
}
querySubscription.RemoveSubscriber(query);
querySubscription.RemoveSubscriber(query2);
var querySubscriptionInfos = querySubscription.GetSubscriptionInfos();
Assert.Equal(2, querySubscriptionInfos.Count());
var subcribedQuery = querySubscriptionInfos.First(x => x.Query == query);
var subcribedQuery2 = querySubscriptionInfos.First(x => x.Query == query2);
Assert.Equal(1, subcribedQuery.SubscriberCount);
Assert.Equal(2, subcribedQuery2.SubscriberCount);
}
public void GetSubscriptionInfos_SubscriberCountNeverLessThanZero_WhenSubscribersRemoved()
{
var querySubscription = new QuerySubscriptions();
var query = new SingleQuoteQuery(1);
querySubscription.AddSubscriber(query);
querySubscription.RemoveSubscriber(query);
querySubscription.RemoveSubscriber(query);
querySubscription.RemoveSubscriber(query);
var querySubscriptionInfos = querySubscription.GetSubscriptionInfos();
Assert.Single(querySubscriptionInfos);
Assert.Equal(0, querySubscriptionInfos.Single().SubscriberCount);
Assert.Equal(query, querySubscriptionInfos.Single().Query);
}
public void GetSubscriptionInfos_ReturnsSubscriberCountEqualTimesAddedAndSubtracted_WhenSingleQuery(int timesAdded, int timesRemoved)
{
var querySubscription = new QuerySubscriptions();
var query = new SingleQuoteQuery(1);
for (var i = 0; i < timesAdded; i++)
{
querySubscription.AddSubscriber(query);
}
for (var i = 0; i < timesRemoved; i++)
{
querySubscription.RemoveSubscriber(query);
}
var querySubscriptionInfos = querySubscription.GetSubscriptionInfos();
var expectedCount = Math.Abs(timesAdded - timesRemoved);
Assert.Single(querySubscriptionInfos);
Assert.Equal(expectedCount, querySubscriptionInfos.Single().SubscriberCount);
Assert.Equal(query, querySubscriptionInfos.Single().Query);
}
