我正在为DbContext实现XUnit测试,看起来DbContext没有正确配置。当我调试第一个测试时,它可以工作,但为第二个测试抛出错误。该错误表示已添加listAds
。
加入手表后,在第二次测试中,_context
为空,但在_context.Advertisements.AddRange(listAds);
之前的值为Advertisements
。XUnit测试DbContext没有配置
public class AdsServiceTest: IDisposable
{
private readonly DbContextOptions<SensingSiteDbContext> _options;
private readonly SensingSiteDbContext _context;
private readonly AdsService _AdsService;
public AdsServiceTest()
{
//initialize db options
_options = new DbContextOptionsBuilder<SensingSiteDbContext>()
.UseInMemoryDatabase()
.Options;
//get service
_context = new SensingSiteDbContext(_options);
//initialize dbcontext
List<Ads> listAds = new List<Ads>() {
new Ads(){ Id=1,AdsName="Ads1", Deleted=false},
new Ads(){ Id=2,AdsName="Ads2", Deleted=false},
new Ads(){ Id=3,AdsName="Ads3", Deleted=false}
};
//In the second test method, it throw errors, listAds already exist in
_context.Advertisements.AddRange(listAds);
_context.SaveChanges();
BaseLib.SSDbContext<Ads, AdsService> ssDbContent = new BaseLib.SSDbContext<Ads, AdsService>(_context);
_AdsService = ssDbContent.GetService((x, y) => new AdsService(x, y));
}
public void Dispose()
{
_context.Dispose();
}
[Theory]
[InlineData(1)]
public void FindById(int id)
{
Ads adsResult = _AdsService.FindById(id);
Ads adsTarget = _context.Advertisements.Find(id);
Assert.Equal(adsResult.AdsName, adsTarget.AdsName);
//Assert.True(adsTarget.Equals(adsResult));
}
[Fact]
public void GetAll()
{
var adsResult = _AdsService.GetAll();
var adsTarget = _context.Advertisements.ToList();
Assert.Equal(adsResult.Count(),adsTarget.Count());
//Did not work all the time
//Assert.True(adsTarget.Equals(adsResult));
}
}