private void TestDocumentClientMemoryLeakPrivateNoInline(ConnectionPolicy connectionPolicy, WeakReference reference)
{
Uri globalEndpointUri = new Uri(ConfigurationManager.AppSettings["GatewayEndpoint"]);
Uri configurationEndPoint = DNSHelper.GetResolvedUri(ConfigurationManager.AppSettings["GatewayEndpoint"]);
string authKey = ConfigurationManager.AppSettings["MasterKey"];
DocumentClient client = new DocumentClient(globalEndpointUri, authKey, connectionPolicy);
// Holding a WeakReference to client to test whether it gets garbage collected eventually
reference.Target = client;
// Executing any request using this client
client.CreateDatabaseAsync(new CosmosDatabaseSettings {
Id = Guid.NewGuid().ToString()
}).Wait();
// Verify that the Write and Read Endpoints point to same endpoint(since no PreferredLocations was specified)
Assert.AreEqual(client.WriteEndpoint, configurationEndPoint);
Assert.AreEqual(client.ReadEndpoint, configurationEndPoint);
// Adding a preferred read location, which should trigger the event handler to update the Read and Write endpoints
connectionPolicy.PreferredLocations.Add(ConfigurationManager.AppSettings["Location2"]);
client.CreateDatabaseAsync(new CosmosDatabaseSettings {
Id = Guid.NewGuid().ToString()
}).Wait();
// Verify that the read endpoint now changes to this new preferred location
Assert.AreEqual(client.WriteEndpoint, configurationEndPoint);
Assert.AreEqual(client.ReadEndpoint, configurationEndPoint);
// Disposing the client and setting it to null to enable garbage collection
client.Dispose();
client = null;
}
private async Task TestPreferredRegionOrderAsync()
{
Uri globalEndpointUri = new Uri(ConfigurationManager.AppSettings["GatewayEndpoint"]);
string authKey = ConfigurationManager.AppSettings["MasterKey"];
ConnectionPolicy connectionPolicy = new ConnectionPolicy();
connectionPolicy.PreferredLocations.Add(ConfigurationManager.AppSettings["Location"]); //write region
connectionPolicy.PreferredLocations.Add(ConfigurationManager.AppSettings["Location2"]); // read region
DocumentClient client = new DocumentClient(globalEndpointUri, authKey, connectionPolicy);
CosmosDatabaseSettings database = await client.CreateDatabaseAsync(new CosmosDatabaseSettings { Id = Guid.NewGuid().ToString() });
CosmosContainerSettings collection = await client.CreateDocumentCollectionAsync(database.SelfLink, new CosmosContainerSettings { Id = Guid.NewGuid().ToString() });
// todo: SessionToken container has a bug which prevent the session consistency read. So we sleep to make sure it is replicated.
await Task.Delay(GlobalDatabaseAccountTests.WaitDurationForAsyncReplication);
Document document =
await client.CreateDocumentAsync(collection.SelfLink, new Document { Id = Guid.NewGuid().ToString() });
Assert.AreEqual(client.WriteEndpoint, DNSHelper.GetResolvedUri(ConfigurationManager.AppSettings["GatewayEndpoint"]));
// Ensure that the ReadEndpoint gets set to whatever is the first region in PreferredLocations irrespective whether it's read or write region
Assert.AreEqual(client.ReadEndpoint, DNSHelper.GetResolvedUri(ConfigurationManager.AppSettings["GatewayEndpoint"]));
}