/// <summary>
/// Loads the dataset containing the test descriptions.
/// </summary>
private TestData[] LoadDataSet()
{
try
{
// create the dataset.
mDataset_ = new DataSet();
// load the test case descriptions.
mDataset_.ReadXml(mFilePath_);
// select only the desired test cases.
mDataset_.TestCases.DefaultView.Sort = "Name";
// execute the test cases.
ArrayList tests = new ArrayList(mDataset_.TestCases.DefaultView.Count);
foreach (DataRowView row in mDataset_.TestCases.DefaultView)
{
DataSet.TestCase testcase = (DataSet.TestCase)row.Row;
// create trend.
TsCHdaTrend trend = new TsCHdaTrend(mServer_);
trend.Name = testcase.Name;
trend.Aggregate = testcase.AggregateId;
trend.MaxValues = testcase.MaxValues;
trend.IncludeBounds = testcase.IncludeBounds;
trend.ResampleInterval = testcase.ResampleInterval;
if (testcase.StartTime != Decimal.MinValue)
{
trend.StartTime = new TsCHdaTime(Basetime.AddSeconds((double)testcase.StartTime));
}
if (testcase.EndTime != Decimal.MinValue)
{
trend.EndTime = new TsCHdaTime(Basetime.AddSeconds((double)testcase.EndTime));
}
TestData test = new TestData();
test.TestCase = testcase;
test.Trend = trend;
test.Expected = GetExpectedResults(testcase);
// add to list.
tests.Add(test);
}
// return set of trends.
return((TestData[])tests.ToArray(typeof(TestData)));
}
catch (Exception e)
{
MessageBox.Show(e.Message);
}
return(null);
}
/// <summary>
/// Deletes am existing test case.
/// </summary>
private void RemoveMI_Click(object sender, System.EventArgs e)
{
try
{
// check for valid selection.
if (resultsLv_.SelectedItems.Count != 1)
{
return;
}
TestData test = (TestData)resultsLv_.SelectedItems[0].Tag;
// confirm delete.
DialogResult result = MessageBox.Show("Permenently delete the test case?", test.Trend.Name, MessageBoxButtons.YesNo);
if (result != DialogResult.Yes)
{
return;
}
// fetch the current index in the dataset.
int index = mDataset_.TestCases.DefaultView.Find(test.Trend.Name);
if (index == -1)
{
return;
}
DataSet.TestCase testcase = (DataSet.TestCase)mDataset_.TestCases.DefaultView[index].Row;
// delete the test case.
testcase.Delete();
// accept changes and save the dataset.
mDataset_.AcceptChanges();
mDataset_.WriteXml(mFilePath_);
// update display.
resultsLv_.SelectedItems[0].Remove();
}
catch (Exception exception)
{
MessageBox.Show(exception.Message);
}
}
/// <summary>
/// Reads the expected results for a test case from the dataset.
/// </summary>
private TsCHdaItemValueCollection GetExpectedResults(DataSet.TestCase testcase)
{
// create item value collection.
TsCHdaItemValueCollection values = new TsCHdaItemValueCollection();
try
{
// set expected result.
values.Result = new OpcResult(testcase.ResultId, "");
// get the item values.
DataRow[] rows = testcase.GetChildRows(mDataset_.TestCases.ChildRelations[0]);
// read the expected values.
if (rows != null)
{
foreach (DataSet.TsCHdaItemValue row in rows)
{
// create item value.
TsCHdaItemValue value = new TsCHdaItemValue();
if (!typeof(DBNull).IsInstanceOfType(row["Value"]))
{
value.Value = row.Value;
}
value.Timestamp = Basetime.AddSeconds((double)row.Timestamp);
value.Quality = new TsCDaQuality((short)(row.Quality & 0x000FFFF));
value.HistorianQuality = (Technosoftware.DaAeHdaClient.Hda.TsCHdaQuality)Enum.ToObject(typeof(Technosoftware.DaAeHdaClient.Hda.TsCHdaQuality), (int)(row.Quality & 0xFFFF0000));
// add to list.
values.Add(value);
}
}
}
catch (Exception)
{
// ignore exceptions - return at whatever was read correctly.
}
// return set of values.
return(values);
}