Example of mocking high level client (qdrant#84)

This commit provides an example of mocking the
high level client

Author: russcam

tests/Qdrant.Client.Tests/MockingTests.cs

@@ -9,16 +9,18 @@ namespace Qdrant.Client;
 public class MockingTests
 {
 	[Fact]
-	public void CanMockClientCalls()
+	public void CanMockGrpcClientCalls()
 	{
 		var client = new Mock<QdrantGrpcClient>();
 		var qdrant = new Mock<Qdrant.Client.Grpc.Qdrant.QdrantClient>();
 
+		var mockResponse = new HealthCheckReply { Title = "from Moq", Version = "v1.0.0" };
+
 		qdrant.Setup(q =>
 				q.HealthCheck(
 					It.IsAny<HealthCheckRequest>(),
 					It.IsAny<CallOptions>()))
-			.Returns(new HealthCheckReply { Title = "from Moq", Version = "v1.0.0" });
+			.Returns(mockResponse);
 
 		client.SetupGet(c => c.Qdrant).Returns(qdrant.Object);
 		var response = client.Object.Qdrant.HealthCheck(new HealthCheckRequest(), new CallOptions());
@@ -27,4 +29,35 @@ public void CanMockClientCalls()
 		response.Title.Should().Be("from Moq");
 		response.Version.Should().Be("v1.0.0");
 	}
+
+	[Fact]
+	public async Task CanMockHighLevelClientCalls()
+	{
+		var grpcClient = new Mock<QdrantGrpcClient>();
+		var client = new QdrantClient(grpcClient.Object);
+		var qdrant = new Mock<Qdrant.Client.Grpc.Qdrant.QdrantClient>();
+
+		var mockResponse = new HealthCheckReply { Title = "from Moq", Version = "v1.0.0" };
+
+		qdrant.Setup(q =>
+				q.HealthCheckAsync(
+					It.IsAny<HealthCheckRequest>(),
+					It.IsAny<Metadata>(),
+					It.IsAny<DateTime?>(),
+					It.IsAny<CancellationToken>()))
+			.Returns(new AsyncUnaryCall<HealthCheckReply>(
+				Task.FromResult(mockResponse),
+				null!,
+				null!,
+				null!,
+				() => { }
+			));
+
+		grpcClient.SetupGet(c => c.Qdrant).Returns(qdrant.Object);
+		var response = await client.HealthAsync();
+
+		response.Should().NotBeNull();
+		response.Title.Should().Be("from Moq");
+		response.Version.Should().Be("v1.0.0");
+	}
 }