biss
56b13b3adb
学生端：满员后可加入/取消候补，展示候补顺位和当前候补人数。 自动递补：退课释放名额后，按候补时间顺序重新校验学籍、范围、学分及时间冲突；不合格者自动失效并继续下一位。 管理端：教学班显示候补人数，名单抽屉提供候补队列及移出操作。 状态通知：递补成功、资格失效、批次关闭、管理员移出均会通知学生。 并发安全：退课和递补放在 Serializable 事务中执行。 数据库：已补充 SQLite 开发迁移和 MySQL 正式迁移。
86 lines
3.2 KiB
C#
86 lines
3.2 KiB
C#
using Jiaowu.Api.Infrastructure.Persistence;
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using Microsoft.EntityFrameworkCore;
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using Microsoft.EntityFrameworkCore.Infrastructure;
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using Microsoft.EntityFrameworkCore.Migrations;
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namespace Jiaowu.Api.Tests;
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public sealed class MySqlMigrationTests
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{
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private const string LatestMigration =
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"20260726170000_CourseSelectionWaitlist";
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[Fact]
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public void Production_migration_is_discoverable_and_generates_mysql_sql()
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{
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var options = CreateMySqlOptions();
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using var db = new AppDbContext(options);
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Assert.Contains(LatestMigration, db.Database.GetMigrations());
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var script = db.GetService<IMigrator>().GenerateScript(
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fromMigration: "20260725040310_SchedulePublishJobs",
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toMigration: LatestMigration);
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Assert.Contains("CREATE TABLE `GradeItems`", script);
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Assert.Contains("CREATE TABLE `EvaluationSetups`", script);
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Assert.Contains("CREATE TABLE `WarningRules`", script);
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Assert.Contains("ADD `CheckInMethod` int NOT NULL DEFAULT 1", script);
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Assert.Contains("CREATE UNIQUE INDEX `IX_AttendanceSheets_CheckInToken`", script);
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Assert.Contains("ADD `WaitlistedAt` datetime(6) NULL", script);
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Assert.Contains(
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"CREATE INDEX `IX_CourseEnrollments_CourseSelectionOfferingId_Status_WaitlistedAt`",
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script);
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Assert.Contains("SET `ExamDate` = DATE(`StartsAt`)", script);
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Assert.Contains("DEFAULT 1", script);
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Assert.DoesNotContain("0001-01-01", script);
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Assert.DoesNotContain("0000-00-00", script);
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}
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[Fact]
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public void MySql_date_properties_use_datetime_provider_conversion()
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{
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using var db = new AppDbContext(CreateMySqlOptions());
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var dateProperties = db.Model.GetEntityTypes()
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.SelectMany(x => x.GetProperties())
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.Where(x => x.ClrType == typeof(DateOnly) ||
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x.ClrType == typeof(DateOnly?))
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.ToList();
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Assert.NotEmpty(dateProperties);
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Assert.All(dateProperties, property =>
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{
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Assert.Equal("date", property.GetColumnType());
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Assert.Equal(
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typeof(DateTime),
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property.GetTypeMapping().Converter?.ProviderClrType);
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});
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}
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[Fact]
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public void MySql_guid_collections_use_provider_safe_predicates()
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{
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using var db = new AppDbContext(CreateMySqlOptions());
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var ids = new[]
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{
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Guid.Parse("11111111-1111-1111-1111-111111111111"),
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Guid.Parse("22222222-2222-2222-2222-222222222222")
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};
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var sql = db.Colleges
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.WhereIn(ids, x => x.Id)
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.ToQueryString();
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Assert.Contains(" IN (", sql, StringComparison.OrdinalIgnoreCase);
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Assert.Contains(ids[0].ToString(), sql, StringComparison.OrdinalIgnoreCase);
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Assert.Contains(ids[1].ToString(), sql, StringComparison.OrdinalIgnoreCase);
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}
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private static DbContextOptions<AppDbContext> CreateMySqlOptions() =>
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new DbContextOptionsBuilder<AppDbContext>()
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.UseMySQL(
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"Server=localhost;Database=jiaowu;User=__test__;Password=__not_used__;")
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.Options;
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}
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