我有一个自定义的 asp.net mvc 类验证属性。
我的问题是如何对其进行单元测试?
测试类是否具有该属性是一回事,但这实际上并不能测试其中的逻辑。这就是我想测试的。
[Serializable]
[EligabilityStudentDebtsAttribute(ErrorMessage = "You must answer yes or no to all questions")]
public class Eligability
{
[BooleanRequiredToBeTrue(ErrorMessage = "You must agree to the statements listed")]
public bool StatementAgree { get; set; }
[Required(ErrorMessage = "Please choose an option")]
public bool? Income { get; set; }
......为简洁起见删除
}
[AttributeUsage(AttributeTargets.Class)]
public class EligabilityStudentDebtsAttribute : ValidationAttribute
{
// If AnyDebts is true then
// StudentDebts must be true or false
public override bool IsValid(object value)
{
Eligability elig = (Eligability)value;
bool ok = true;
if (elig.AnyDebts == true)
{
if (elig.StudentDebts == null)
{
ok = false;
}
}
return ok;
}
}
我尝试编写如下测试,但这不起作用:
[TestMethod]
public void Eligability_model_StudentDebts_is_required_if_AnyDebts_is_true()
{
// Arrange
var eligability = new Eligability();
var controller = new ApplicationController();
// Act
controller.ModelState.Clear();
controller.ValidateModel(eligability);
var actionResult = controller.Section2(eligability,null,string.Empty);
// Assert
Assert.IsInstanceOfType(actionResult, typeof(ViewResult));
Assert.AreEqual(string.Empty, ((ViewResult)actionResult).ViewName);
Assert.AreEqual(eligability, ((ViewResult)actionResult).ViewData.Model);
Assert.IsFalse(((ViewResult)actionResult).ViewData.ModelState.IsValid);
}
The ModelStateDictionary
不包含此自定义属性的键。
它仅包含标准验证属性的属性。
为什么是这样?
测试这些自定义属性的最佳方法是什么?
你的属性EligabilityStudentDebtsAttribute
只是一个标准类,就像其他所有东西一样,只需进行单元测试IsValid()
方法。如果它工作正常,请相信框架该属性工作正常。
So:
[Test]
public void AttibuteTest()
{
// arrange
var value = //.. value to test - new Eligability() ;
var attrib = new EligabilityStudentDebtsAttribute();
// act
var result = attrib.IsValid(value);
// assert
Assert.That(result, Is.True)
}
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