C# System.Data.Entity.Infrastructure.DbUpdateException问题
我有一个测试方法,它测试一个任务,假设该任务将获得一个任务定义(任务描述)以进行编辑:C# System.Data.Entity.Infrastructure.DbUpdateException问题,c#,.net,entity-framework,unit-testing,C#,.net,Entity Framework,Unit Testing,我有一个测试方法,它测试一个任务,假设该任务将获得一个任务定义(任务描述)以进行编辑: [TestMethod] public void GetTaskDefinitionsForEdit_HavingTaskDefinitions_ReturnsChecklistTaskDefinitions() { // this.CreateChecklistTaskDefinition(referenceKey: "Xxx123", description: "SomeDescription")
[TestMethod]
public void GetTaskDefinitionsForEdit_HavingTaskDefinitions_ReturnsChecklistTaskDefinitions()
{
// this.CreateChecklistTaskDefinition(referenceKey: "Xxx123", description: "SomeDescription");
// this.checklistTaskTestHelper.CreateChecklistTaskDefinition(referenceKey: "Yyy234", description: "SomeOtherDescription");
this.helper.CreateChecklistTaskDefinition(referenceKey: "Xxx123", description: "SomeDescription");
this.helper.CreateChecklistTaskDefinition(referenceKey: "Yyy234", description: "SomeOtherDescription");
this.CompanyDbContext.SaveChanges();
//var result = this.checklistTaskTestHelper.checklistTaskDefinitionRepository.GetTaskDefinitionsForEdit(ChecklistReferenceType.ReconAccountGroup, "Xxx123");
var result = this.checklistTaskDefinitionRepository.GetTaskDefinitionsForEdit(ChecklistReferenceType.ReconAccountGroup, "Xxx123");
Assert.AreEqual(1, result.Count);
//Assert.AreEqual("Xxx123", result[0].ReferenceKey);
//Assert.AreEqual("SomeDescription", result[0].Description);
}
我还有一个initilize方法:
protected override void Initialize()
{
this.company = this.CreateCompany("Test company");
this.checklistTaskDefinitionRepository = this.CreateRepository<ChecklistTaskDefinitionRepository>(this.company);
this.helper = new ChecklistTaskTestHelper(this.checklistTaskDefinitionRepository, this.checklistTaskStatusRepository);
}
一旦我运行测试方法,它就会打印出:
测试方法Core.Data.Test.Modules.checklist.checklistTaskDefinition RepositoryTest.GetTaskDefinitionsForEdit_HavingTaskDefinitions_returnsSchecklistTaskDefinitions引发异常:
System.Data.Entity.Infrastructure.DbUpdateException:更新条目时出错
如果调试测试,可以检索内部异常,在本例中,该异常将为您提供错误原因(fk错误、重复的pk错误、列不存在、表不存在、数据库不存在)
要在visual studio中调试测试,请右键单击测试并单击调试。环境DbContext变量非常容易出错。以前做了哪些更改,ChangeTracker中有哪些对象,这两个方法做了什么,内部异常是什么?这不是问题的答案,只是调试的建议。我相信这会是一个更好的评论
private Company company;
private ChecklistTaskDefinitionRepository checklistTaskDefinitionRepository;
private ChecklistTaskStatusRepository checklistTaskStatusRepository;
private ChecklistTaskTestHelper helper;