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我试图嘲笑实体框架。我的方法包括异步和2个EF表。 我的方法(MyClass.Create):嘲笑EF与异步和包括
var my = new Application(title, "", creatorId, documentId, deadLine);
var document = await _db.Documents.FindAsync(my.DocumentId);
//some stuffs
//....
_db.My.Add(my);
await _db.SaveChangesAsync();
测试:
private ApplicationDbContext context;
private DbSet<My> my;
private DbSet<Document> document;
private Document mDocument;
[SetUp]
public void Initialize()
{
// Instantiate mocks
context = MockRepository.GenerateMock<ApplicationDbContext>();
my = MockRepository.GenerateMock<DbSet<My>>();
document = MockRepository.GenerateMock<DbSet<Document>>();
mDocument = new Document(Guid.NewGuid().ToString(), "Про тест", "123456", Guid.NewGuid().ToString(), "12345", DateTime.Now, Guid.NewGuid().ToString(), Guid.NewGuid().ToString());
// Setup unit of work to return mocked repository
context.Stub(uow => uow.My).Return(my);
context.Stub(uow => uow.Documents).Return(document);
}
[Test]
public async Task Create_Consideration()
{
// Arrange
document.Stub(doc => doc.FindAsync(Arg<int>.Is.Anything)).Return(Task.FromResult(mDocument));
my.Expect(svc => svc.Add(Arg<My>.Is.Anything));
context.Expect(svc => svc.SaveChanges());
// Act
await MyClass.Create("Test", mDocument.CreatorId, mDocument.Id);
//Assert
my.VerifyAllExpectations();
context.VerifyAllExpectations();
}
}
错误我所得到的:法 'DbContext.SaveChangesAsync();'需要一个返回值或异常抛出
问题是此行'使用(VAR _db =新ApplicationDbContext())'。您正在创建一个新的ApplicationDbContext。你不使用你的嘲弄上下文 – Jehof 2015-03-25 11:15:59
其帮助我改变这段代码,但现在错误:方法'DbContext.SaveChangesAsync();'需要返回值或抛出的异常 – NoNameR 2015-03-25 12:24:29
您需要像mockObj.Setup(a => a.SaveChangesAsync())一样模拟方法“SaveChangesAsync”。或实施回拨行动 – 2015-03-25 13:08:50