public async Task Subscribe()
{
//Arrange
var ksqlDbContext = new TestableKSqlDBContext(TestParameters.KsqlDBUrl);
ksqlDbContext.KSqlDbProviderMock
.Setup(c => c.Run <ElasticSearchEvent>(It.IsAny <QueryStreamParameters>(), It.IsAny <CancellationToken>()))
.Returns(ElasticSearchEventsSource);
var classUnderTest = new KSqlDb(ksqlDbContext);
var semaphoreSlim = new SemaphoreSlim(0, 1);
var receivedValues = new List <ElasticSearchEvent>();
//Act
var qbservable = classUnderTest.CreateElasticSearchEventQuery();
var subscription = qbservable.Subscribe(value =>
{
receivedValues.Add(value);
}, exception =>
{
semaphoreSlim.Release();
}, () => semaphoreSlim.Release());
await semaphoreSlim.WaitAsync();
//Assert
Assert.AreEqual(2, receivedValues.Count);
using (subscription){}
}
public async Task GetById()
{
//Arrange
var ksqlDbContextMock = new Mock <IKSqlDBContext>();
var pullQueryMock = new Mock <IPullable <ElasticSearchEvent> >();
var pullQueryProviderMock = new Mock <IPullQueryProvider>();
pullQueryProviderMock.Setup(c => c.CreateQuery <ElasticSearchEvent>(It.IsAny <Expression>()))
.Returns(pullQueryMock.Object);
pullQueryMock.Setup(c => c.Provider)
.Returns(pullQueryProviderMock.Object);
pullQueryMock.Setup(c => c.Expression)
.Returns(Expression.Constant(pullQueryMock.Object));
pullQueryMock.Setup(c => c.FirstOrDefaultAsync(It.IsAny <CancellationToken>()))
.ReturnsAsync(new ElasticSearchEvent {
Key = 42
});
ksqlDbContextMock.Setup(c => c.CreatePullQuery <ElasticSearchEvent>("EventTopic"))
.Returns(pullQueryMock.Object);
var classUnderTest = new KSqlDb(ksqlDbContextMock.Object);
//Act
var elasticSearchEvent = await classUnderTest.GetByIdAsync(42);
//Assert
Assert.AreEqual(42, elasticSearchEvent.Key);
}
