弃用 OpenTelemetry，并建立日志驱动的真实慢接口基线

tests/Jiaowu.Api.Tests/DatabaseCommandTelemetryInterceptorTests.cs

@@ -1,6 +1,6 @@
-using System.Diagnostics.Metrics;
 using Jiaowu.Api.Infrastructure.Observability;
 using Jiaowu.Api.Infrastructure.Persistence;
+using Microsoft.AspNetCore.Http;
 using Microsoft.Data.Sqlite;
 using Microsoft.EntityFrameworkCore;
 using Microsoft.Extensions.Logging.Abstractions;
@@ -40,7 +40,7 @@ public sealed class DatabaseCommandTelemetryInterceptorTests
     }
 
     [Fact]
-    public async Task Ef_command_records_duration_metric()
+    public async Task Ef_command_executes_with_logging_interceptor()
     {
         await using var connection =
             new SqliteConnection("Data Source=:memory:");
@@ -52,25 +52,9 @@ public sealed class DatabaseCommandTelemetryInterceptorTests
         await using (var setupDb = new AppDbContext(setupOptions))
             await setupDb.Database.EnsureCreatedAsync();
 
-        double? recordedDuration = null;
-        using var listener = new MeterListener
-        {
-            InstrumentPublished = (instrument, meterListener) =>
-            {
-                if (instrument.Meter.Name ==
-                        DatabaseCommandTelemetryInterceptor.MeterName &&
-                    instrument.Name == "jiaowu.db.command.duration")
-                {
-                    meterListener.EnableMeasurementEvents(instrument);
-                }
-            }
-        };
-        listener.SetMeasurementEventCallback<double>(
-            (_, measurement, _, _) => recordedDuration = measurement);
-        listener.Start();
-
         var interceptor = new DatabaseCommandTelemetryInterceptor(
             new ObservabilityOptions(),
+            new HttpContextAccessor(),
             NullLogger<DatabaseCommandTelemetryInterceptor>.Instance);
         var queryOptions = new DbContextOptionsBuilder<AppDbContext>()
             .UseSqlite(connection)
@@ -82,7 +66,6 @@ public sealed class DatabaseCommandTelemetryInterceptorTests
             .TagWith("Observability.Tests.TermCount")
             .CountAsync();
 
-        Assert.NotNull(recordedDuration);
-        Assert.True(recordedDuration >= 0);
+        Assert.Equal(0, await db.AcademicTerms.CountAsync());
     }
 }