public async Task WhenCheckingCollectionOwnership_ItShouldFailIfNoCollectionsMatchCreator()
        {
            await this.DatabaseTestAsync(async testDatabase =>
            {
                this.target = new QueueOwnership(testDatabase);
                await this.CreateCollectionAsync(new UserId(Guid.NewGuid()), QueueId, testDatabase);
                await testDatabase.TakeSnapshotAsync();

                var result = await this.target.IsOwnerAsync(UserId, QueueId);

                Assert.IsFalse(result);
                return(ExpectedSideEffects.None);
            });
        }
        public async Task WhenCheckingCollectionOwnership_ItShouldPassIfAtLeastOneCollectionMatchesCollectionAndCreator()
        {
            await this.DatabaseTestAsync(async testDatabase =>
            {
                this.target = new QueueOwnership(testDatabase);
                await this.CreateCollectionAsync(UserId, QueueId, testDatabase);
                await testDatabase.TakeSnapshotAsync();

                var result = await this.target.IsOwnerAsync(UserId, QueueId);

                Assert.IsTrue(result);
                return(ExpectedSideEffects.None);
            });
        }
        public async Task WhenCheckingCollectionOwnership_ItShouldFailIfNoCollectionsExist()
        {
            await this.DatabaseTestAsync(async testDatabase =>
            {
                this.target = new QueueOwnership(testDatabase);

                using (var databaseContext = testDatabase.CreateContext())
                {
                    await databaseContext.Database.Connection.ExecuteAsync("UPDATE Posts SET QueueId=NULL");
                    await databaseContext.Database.Connection.ExecuteAsync("DELETE FROM Queues");
                }

                await testDatabase.TakeSnapshotAsync();

                var result = await this.target.IsOwnerAsync(UserId, QueueId);

                Assert.IsFalse(result);
                return(ExpectedSideEffects.None);
            });
        }