public void TestCosmosDiagnosticScope()
{
(BackendMetricsExtractor.ParseFailureReason parseFailureReason, BackendMetrics extractedBackendMetrics)notFoundResult = MockCosmosDiagnosticScope.Accept(BackendMetricsExtractor.Singleton);
Assert.AreEqual(BackendMetricsExtractor.ParseFailureReason.MetricsNotFound, notFoundResult.parseFailureReason);
CosmosDiagnosticsContext contextWithQueryMetrics = new CosmosDiagnosticsContextCore();
contextWithQueryMetrics.AddDiagnosticsInternal(MockQueryPageDiagnostics);
(BackendMetricsExtractor.ParseFailureReason parseFailureReason, BackendMetrics extractedBackendMetrics)foundResult = contextWithQueryMetrics.Accept(BackendMetricsExtractor.Singleton);
Assert.AreEqual(BackendMetricsExtractor.ParseFailureReason.None, foundResult.parseFailureReason);
Assert.AreEqual(BackendMetricsTests.MockBackendMetrics.IndexLookupTime, foundResult.extractedBackendMetrics.IndexLookupTime);
}
