Telerik OpenAccess 和 where 子句中的多个条件

发布于 2024-07-19 06:04:25 字数 1348 浏览 10 评论 0原文

我刚刚编写了一些单元测试,令我恐惧的是它失败了。

这是我的测试...

[TestMethod]
public void FetchWithMoreThanOneConditionUsingKnownTypes() 
{
  using (var scope = EntityObjectScopeProvider.GetNewObjectScope()) 
  {
    var temp = new TempClient() { FirstName = "Rohan", Surname = "West" }; 
    var entity = scope.Extent<ClientEntity>().Where(c => temp.FirstName == c.FirstName && temp.Surname == c.Surname).FirstOrDefault(); 

    Assert.IsNotNull(entity);
    Assert.AreEqual(entity.FirstName, temp.FirstName); 
    Assert.AreEqual(entity.Surname, temp.Surname); 
  }
}

它给了我以下异常,无法将“Entities.Testing.TempClient”类型的对象转换为“System.String”类型。 这是正常的吗,我希望不是,以下测试工作正常。 我猜解析表达式时出现问题......这个会被修复吗?

[TestMethod]
public void FetchWithMoreThanOneConditionUsingTempVariables() 
{
  using (var scope = EntityObjectScopeProvider.GetNewObjectScope()) 
  {
    var temp = new TempClient(){ FirstName = "Rohan", Surname = "West" };   

    string firstname = temp.FirstName; 
    string surname = temp.Surname; 

    var entity = scope.Extent<ClientEntity>().Where(c => c.FirstName == firstname && c.Surname == surname).FirstOrDefault(); 

    Assert.IsNotNull(entity);
    Assert.AreEqual(entity.FirstName, temp.FirstName);
    Assert.AreEqual(entity.Surname, temp.Surname); 
  }
}

I have just written a few unit tests and to my horror it failed.

Here is my test...

[TestMethod]
public void FetchWithMoreThanOneConditionUsingKnownTypes() 
{
  using (var scope = EntityObjectScopeProvider.GetNewObjectScope()) 
  {
    var temp = new TempClient() { FirstName = "Rohan", Surname = "West" }; 
    var entity = scope.Extent<ClientEntity>().Where(c => temp.FirstName == c.FirstName && temp.Surname == c.Surname).FirstOrDefault(); 

    Assert.IsNotNull(entity);
    Assert.AreEqual(entity.FirstName, temp.FirstName); 
    Assert.AreEqual(entity.Surname, temp.Surname); 
  }
}

it is giving me the following exception, Unable to cast object of type 'Entities.Testing.TempClient' to type 'System.String'. Is this normal, i hope not, The following test works correctly. I guess there is a problem when parsing the expression... Will this be fixed?

[TestMethod]
public void FetchWithMoreThanOneConditionUsingTempVariables() 
{
  using (var scope = EntityObjectScopeProvider.GetNewObjectScope()) 
  {
    var temp = new TempClient(){ FirstName = "Rohan", Surname = "West" };   

    string firstname = temp.FirstName; 
    string surname = temp.Surname; 

    var entity = scope.Extent<ClientEntity>().Where(c => c.FirstName == firstname && c.Surname == surname).FirstOrDefault(); 

    Assert.IsNotNull(entity);
    Assert.AreEqual(entity.FirstName, temp.FirstName);
    Assert.AreEqual(entity.Surname, temp.Surname); 
  }
}

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浅语花开 2024-07-26 06:04:25

联系 Telerik 支持后发现这是不可能的。

After contacting Telerik support, it turned out not to be possible.

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