修复Mysql

tests/Jiaowu.Api.Tests/AuthControllerTests.cs

@@ -14,6 +14,31 @@ namespace Jiaowu.Api.Tests;
 
 public sealed class AuthControllerTests
 {
+    [Fact]
+    public async Task RetriableTransaction_WorksWithRetryingExecutionStrategy()
+    {
+        await using var connection = new SqliteConnection("Data Source=:memory:");
+        await connection.OpenAsync();
+        var options = new DbContextOptionsBuilder<AppDbContext>()
+            .UseSqlite(connection)
+            .ReplaceService<IExecutionStrategyFactory, RetryingExecutionStrategyFactory>()
+            .Options;
+        await using var db = new AppDbContext(options);
+        await db.Database.EnsureCreatedAsync();
+
+        Assert.True(db.Database.CreateExecutionStrategy().RetriesOnFailure);
+        await db.ExecuteInRetriableTransactionAsync(
+            async transaction =>
+            {
+                db.Colleges.Add(new College { Code = "TX", Name = "事务测试学院" });
+                await db.SaveChangesAsync();
+                await transaction.CommitAsync();
+            },
+            CancellationToken.None);
+
+        Assert.Equal(1, await db.Colleges.CountAsync());
+    }
+
     [Fact]
     public async Task ActivateStudent_WorksWithRetryingExecutionStrategy()
     {