检查应用的迁移是否与 DbContext 匹配?

问题描述

我想创建一个单元测试，以确保没有相应的迁移，任何开发人员都不会提交模型更改.

I want to create a unit test to ensure no developer will commit model changes without the corresponding migration.

如何测试数据库是否与 DbContext 匹配?

How do I test that the database matches the DbContext?

推荐答案

您可以利用一些较低级别的迁移组件来做到这一点:

You can leverage some of the lower-level Migrations components to do that:

var migrationsAssembly = db.GetService<IMigrationsAssembly>();
var differ = db.GetService<IMigrationsModelDiffer>();

var hasDifferences = differ.HasDifferences(
    migrationsAssembly.ModelSnapshot.Model,
    db.Model);

Assert.False(hasDifferences, "You forgot to add a migration!");

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