我正在自定义 WebApplicationFactory 以使用原始应用程序项目中的 Startup、appsettings。
目的是创建指向原始应用程序启动的集成测试。dbcontext 的 appsettings json 如下:
"ConnectionStrings": {
"DbConnection": "Data Source=.;Initial Catalog = TestDB; Integrated Security=True"
我想覆盖服务以使用下面的变量中的内存数据库。我该如何进行呢?
自定义 Web 应用程序工厂:
namespace Integrationtest
{
public class CustomWebApplicationFactory<TStartup> : WebApplicationFactory<TStartup> where TStartup : class
{
protected override void ConfigureWebHost(IWebHostBuilder builder)
{
builder.ConfigureAppConfiguration((hostingContext, configurationBuilder) =>
{
var type = typeof(TStartup);
var path = @"C:\OriginalApplication";
configurationBuilder.AddJsonFile($"{path}\\appsettings.json", optional: true, reloadOnChange: true);
configurationBuilder.AddEnvironmentVariables();
});
}
}
}
实际集成测试:
public class DepartmentAppServiceTest : IClassFixture<CustomWebApplicationFactory<OriginalApplication.Startup>>
{
public dbContextTest context;
public CustomWebApplicationFactory<OriginalApplication.Startup> _factory;
public DepartmentAppServiceTest(CustomWebApplicationFactory<OriginalApplication.Startup> factory)
{
_factory = factory;
}
[Fact]
public async Task DepartmentAppTest()
{
using (var scope = _factory.Server.Host.Services.CreateScope())
{
context.Department.Add(new Department { DepartmentId = 2, DepartmentCode = "123", DepartmentName = "ABC" });
context.SaveChanges();
var foo = scope.ServiceProvider.GetRequiredService<IDepartmentAppService>();
var departmentDto = await foo.GetDepartmentById(2);
Assert.Equal("123", departmentDto.DepartmentCode);
}
}
}
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