无法在单元测试中检索数据
本文关键字:检索 数据 单元测试 | 更新日期: 2023-09-27 18:35:27
我有一个关于检索数据的问题,这是我正在尝试学习的东西,也是第一次使用它。
测试失败错误:"测试方法 TestBusinessLogic.MediaDurationBLTest.OpenModelTest抛出了异常: 系统异常: 无法检索媒体持续时间模型 另一个用户 已经更新了模型。请刷新并重试。
MediaDurationBLTest.cs
这是主要方法:
[TestMethod()]
public void OpenModelTest()
{
MediaDurationDS mds = new MediaDurationDS();
PopulateTestDataSet(mds);
MediaDurationBL target = new MediaDurationBL();
TestBusinessLogic.BusinessLogic_MediaDurationBLAccessor accessor = new TestBusinessLogic.BusinessLogic_MediaDurationBLAccessor(target);
//assign accessor to mds
accessor.mMediaDurationDataSet = mds;
int modelID = 5514;
target.OpenModel(modelID);
Assert.AreEqual(20, mds.Tables.Count, "# of tables retrieved are different");
//We are creating copy of ProjectMetricData, check if copyTable and original table are same
//except projectmetrictdata has pf&d and client does not so subtract that.
int pfanddRows = 2;
int projectMetricDataRows = accessor.mMediaDurationDataSet.ProjectMetricData.Rows.Count;
int copiedRows = projectMetricDataRows - pfanddRows;
if (copiedRows < 0)
copiedRows = 0;
Assert.AreEqual(accessor.mMediaDurationDataSet.ClientProjectMetricData.Rows.Count, copiedRows, "project metric data copy not created");
}
这是"目标"的内部代码。OpenModel(modelID);",我得到错误并立即跳转到"catch (Exception e)",我的数据在这里为空"mMediaDurationDataLayer.GetModelDetails(mMediaDurationDataSet,modelID);",我该如何解决错误?
public DataSet OpenModel(int modelID)
{
try
{
mMediaDurationDataSet = new MediaDurationDS();
mMediaDurationDataLayer.GetModelDetails(mMediaDurationDataSet, modelID);
//ConvertToLocalTime(mMediaDurationDataSet.Model, "ClientLastUpdateDate");
ConvertToLocalTime(mMediaDurationDataSet.ModelActivity, "ClientLastUpdateDate");
//IF MODEL IS MOR, ACT
CreateProjectForMORModel(modelID);
//COPY PROJECT METRIC DATA TABLE INTO CLIENTPROJECTMETRICDATA
foreach (MediaDurationDS.ProjectMetricDataRow pmdr in mMediaDurationDataSet.ProjectMetricData.Rows)
{
//WE DONT WANT PF&D IN CLIENT TABLE
if (!pmdr.MetricTypeName.Equals(PFANDDPARAMETER))
{
CreateClientProjectMetricDataRow(pmdr, pmdr.ProjectMetricID);
}
}
mMediaDurationDataSet.AcceptChanges();
mMediaDurationDataSet.WriteXml("C:''MediaDurationTestDataSet.xml");
return mMediaDurationDataSet;
}
catch (Exception e)
{
string errorMessage = "Unable to retrieve Media Duration Model " +Environment.NewLine + e.Message;
throw new Exception(errorMessage);
}
}
public class MediaDurationDL
{
ProjectManagerDL mProjectManagerDL;
public void GetModelDetails(DataSet mediaDurationDataSet, int modelID)
{
Database db = X.XXX.WindowsApplicationTemplate.ApplicationDatabase.DatabaseFactory.CreateDatabase();
string sqlProcedure = "uspMediaDurationGetModel";
DbCommand dbCommand = db.GetStoredProcCommand(sqlProcedure);
UtilityDL.SetCommandTimeout(dbCommand);
db.AddInParameter(dbCommand, "ModelID", DbType.Int32, modelID);
string[] tables = new string[] { "LaborCategory", "ProcessCategory", "Media", "Activity", "Time", "Model", "ModelTime", "ModelActivity",
"Project", "ProjectAccess", "MetricType", "ProjectMetric", "ProjectMetricData" };//, "Metric", "MetricData"};
// RETRIEVE DATA FROM DB AND LOAD INTO DATASET
mediaDurationDataSet.Clear();
//PrintAllErrs(mediaDurationDataSet);
db.LoadDataSet(dbCommand, mediaDurationDataSet, tables);
//PrintAllErrs(mediaDurationDataSet);
}
我猜"MediaDurationTestDataSet.xml"文件中存在不正确的数据信息,如何检索正确的数据信息?
以您的异常为例,您在测试中执行此操作一次,在 OpenModel 中执行此操作一次,我认为您想在此处访问两次内容:
在测试设置中:
MediaDurationDS mds = new MediaDurationDS();
PopulateTestDataSet(mds);
在开放模型中:
mMediaDurationDataSet = new MediaDurationDS();
mMediaDurationDataLayer.GetModelDetails(mMediaDurationDataSet, modelID);
作为例外说:
无法检索媒体持续时间模型 其他用户已经 更新了模型。
因此,您的 PopulateTestDataSet 正在访问底层系统,并且您会收到异常,因为它正在使用中。