public void PIPointSearchTest()
{
PIServer piServer = PIFixture.PIServer;
int numberOfPointsToCreate = 10;
var pointPrefix = "PIPointSearchTest_Point";
try
{
// Create PI Points
Output.WriteLine($"Creating PI Points with prefix [{pointPrefix}].");
var points = PIFixture.CreatePIPoints($"{pointPrefix}#", numberOfPointsToCreate);
// Assign range of values to defined tags
for (int i = 0; i < points.Count(); i++)
{
points.ElementAt(i).UpdateValue(new AFValue(Math.Pow(-1, i + 1), null), 0);
// Set the Step attribute of half of the PI Points to true and half to false
points.ElementAt(i).SetAttribute(PICommonPointAttributes.Step, Convert.ToBoolean(1 * ((i + 1) % 2)));
points.ElementAt(i).SaveAttributes();
}
// Search PI Points with queries
var searchQuery = $"Name:'{pointPrefix}*' value:>0";
Output.WriteLine($"Searching for PI Points with query [{searchQuery}].");
var parsedQuery = PIPointQuery.ParseQuery(piServer, searchQuery);
var searchPointsCount = PIPoint.FindPIPoints(piServer, parsedQuery).Count();
AssertEventually.True(
() => PIPoint.FindPIPoints(piServer, parsedQuery).Count() == (numberOfPointsToCreate / 2),
TimeSpan.FromSeconds(10),
TimeSpan.FromSeconds(0.5),
$"The PI Points count do not match. Expected: {numberOfPointsToCreate / 2}, Actual: {searchPointsCount}.");
searchQuery = $"Name:'{pointPrefix}*'";
Output.WriteLine($"Searching for PI Points with query [{searchQuery}].");
parsedQuery = PIPointQuery.ParseQuery(piServer, searchQuery);
searchPointsCount = PIPoint.FindPIPoints(piServer, parsedQuery).Count();
AssertEventually.True(
() => PIPoint.FindPIPoints(piServer, parsedQuery).Count() == numberOfPointsToCreate,
TimeSpan.FromSeconds(10),
TimeSpan.FromSeconds(0.5),
$"The PI Points count do not match. Expected: {numberOfPointsToCreate}, Actual: {searchPointsCount}.");
searchQuery = $"Name:'{pointPrefix}*' step:=0";
Output.WriteLine($"Searching for PI Points with query [{searchQuery}].");
parsedQuery = PIPointQuery.ParseQuery(piServer, searchQuery);
searchPointsCount = PIPoint.FindPIPoints(piServer, parsedQuery).Count();
AssertEventually.True(
() => PIPoint.FindPIPoints(piServer, parsedQuery).Count() == (numberOfPointsToCreate / 2),
TimeSpan.FromSeconds(10),
TimeSpan.FromSeconds(0.5),
$"The PI Points count do not match. Expected: {numberOfPointsToCreate / 2}, Actual: {searchPointsCount}.");
}
finally
{
PIFixture.DeletePIPoints("PIPointSearchTest_Point*", Output);
}
}
public void PIPointsTest()
{
PIServer piServer = PIFixture.PIServer;
int count = 10;
var pointPrefix = "PIPointsTest_Point";
try
{
// Create PI Point and verify
Output.WriteLine($"Creating PI Points with prefix [{pointPrefix}] with default attributes and verifying.");
var points = PIFixture.CreatePIPoints($"{pointPrefix}#", count);
var returnedPoints = PIPoint.FindPIPoints(piServer, $"{pointPrefix}*");
Assert.True(returnedPoints.Count() == count, $"Expected to find {count} PI Points on Data Archive [{piServer}], actually found {returnedPoints.Count()}.");
var timestamp = new AFTime("*-10m");
// Set Value of PI Points
Output.WriteLine("Updating PI Points with new values.");
for (int i = 0; i < returnedPoints.Count(); i++)
{
returnedPoints.ElementAt(i).UpdateValue(new AFValue(i, timestamp), AFUpdateOption.NoReplace);
}
// Check for updated values
Output.WriteLine("Checking PI Points were updated with new values.");
for (int i = 0; i < count; i++)
{
AssertEventually.Equals(returnedPoints.ElementAt(i).CurrentValue(), new AFValue(Convert.ToSingle(i), timestamp.ToPIPrecision()));
}
// Delete PI Points and verify
Output.WriteLine("Deleting PI Points that were created and verifying.");
PIFixture.DeletePIPoints($"{pointPrefix}*", Output);
returnedPoints = PIPoint.FindPIPoints(piServer, $"{pointPrefix}*");
Assert.True(returnedPoints.Count() == 0,
$"Expected to find no PI Points with prefix [{pointPrefix}], but {returnedPoints.Count()} were found.");
}
finally
{
PIFixture.DeletePIPoints($"{pointPrefix}*", Output);
}
}
public void PIDataPipeTimeSeriesTest(PIPointType piPointType, object[] eventValues)
{
Contract.Requires(eventValues != null);
const string PointName = "PIDataPipeTests_PIPoint";
AFDatabase db = AFFixture.AFDatabase;
PIServer piServer = PIFixture.PIServer;
var piDataPipe = new PIDataPipe(AFDataPipeType.TimeSeries);
var piPointList = new PIPointList();
var now = AFTime.NowInWholeSeconds;
try
{
Output.WriteLine("Create the Future PI Points with Zero Compression and specified PI Point type.");
PIFixture.DeletePIPoints(PointName + "*", Output);
var testPIPoints = PIFixture.CreatePIPoints(PointName + "###", eventValues.Length, new Dictionary <string, object>
{
{ PICommonPointAttributes.PointType, piPointType },
{ PICommonPointAttributes.ExceptionDeviation, 0 },
{ PICommonPointAttributes.ExceptionMaximum, 0 },
{ PICommonPointAttributes.Compressing, 0 },
{ PICommonPointAttributes.DigitalSetName, "Phases" },
{ PICommonPointAttributes.Future, true },
});
Assert.True(testPIPoints.Count() == eventValues.Length, $"Unable to create all the test PI Points.");
piPointList.AddRange(testPIPoints);
// Add the PI Point as sign up to the PIDataPipe.
Output.WriteLine($"Sign up all PI Points with PIDataPipe.");
var afErrors = piDataPipe.AddSignups(piPointList);
var prefixErrorMessage = "Adding sign ups to the PIDataPipe was unsuccessful.";
Assert.True(afErrors == null,
userMessage: afErrors?.Errors.Aggregate(prefixErrorMessage, (msg, error) => msg += $" PI Point: [{error.Key.Name}] Error: [{error.Value.Message}] "));
// Write one data value to each PI Point.
var expectedAFValues = new AFValues();
for (int i = 0; i < eventValues.Length; i++)
{
AFValue afValue = null;
var timestamp = now + TimeSpan.FromMinutes(i - eventValues.Length);
// Special Handling of Input Data for Digital and Timestamp
switch (piPointType)
{
case PIPointType.Digital:
afValue = new AFValue(new AFEnumerationValue("Phases", (int)eventValues[i]), timestamp);
break;
case PIPointType.Timestamp:
afValue = new AFValue(new AFTime(eventValues[i], now), timestamp);
break;
default:
afValue = new AFValue(eventValues[i], timestamp);
break;
}
Output.WriteLine($"Writing Value [{eventValues[i]}] with Timestamp [{timestamp}] to PI Point [{piPointList[i].Name}].");
piPointList[i].UpdateValue(afValue, AFUpdateOption.InsertNoCompression);
// If writing digital states, we need to save the corresponding value for verification.
// Since we are using Phases, 0 ~ Phase1, 1 ~ Phase2, etc.
if (piPointType == PIPointType.Digital)
{
int input = (int)eventValues[i];
afValue = new AFValue(new AFEnumerationValue($"Phase{input + 1}", input), timestamp);
}
afValue.PIPoint = piPointList[i];
expectedAFValues.Add(afValue);
}
// Retry assert to retrieve expected Update Events from the PIDataPipe
var actualAFValues = new AFValues();
Output.WriteLine($"Reading Events from the PI DataPipe.");
AssertEventually.True(() =>
{
var updateEvents = piDataPipe.GetUpdateEvents(eventValues.Length);
prefixErrorMessage = "Retrieving Update Events from the PIDataPipe was unsuccessful.";
Assert.False(updateEvents.HasErrors,
userMessage: updateEvents.Errors?.Aggregate(prefixErrorMessage, (msg, error) => msg += $" PI Point: [{error.Key.Name}] Error: [{error.Value.Message}] "));
actualAFValues.AddRange(updateEvents.Results.Select(update => update.Value));
if (actualAFValues.Count >= expectedAFValues.Count)
{
// Verify that all expected update events are received from the PIDataPipe
Assert.True(expectedAFValues.Count == actualAFValues.Count, "PIDataPipe returned more events than expected. " +
$"Expected Count: {expectedAFValues.Count}, Actual Count: {actualAFValues.Count}.");
return(true);
}
return(false);
},
TimeSpan.FromSeconds(5),
TimeSpan.FromSeconds(0.5),
"Unable to retrieve events within the time frame.");
// Verify all received events.
Output.WriteLine($"Verifying all {actualAFValues.Count} events from the PI DataPipe.");
for (int i = 0; i < actualAFValues.Count; i++)
{
// Special handling of Output events for Timestamp
if (piPointType == PIPointType.Timestamp)
{
actualAFValues[i].Value = new AFTime(actualAFValues[i].Value, now);
}
AFFixture.CheckAFValue(actualAFValues[i], expectedAFValues[i]);
Assert.True(object.Equals(actualAFValues[i].PIPoint, expectedAFValues[i].PIPoint),
$"Unexpected PI Point Association. Expected: [{expectedAFValues[i].PIPoint}], Actual: [{actualAFValues[i].PIPoint}].");
}
// Remove all sign ups from the PIDataPipe
Output.WriteLine($"Remove all PI Point sign ups from PIDataPipe.");
afErrors = piDataPipe.RemoveSignups(piPointList);
prefixErrorMessage = "Removing sign ups to the PIDataPipe was unsuccessful.";
Assert.True(afErrors == null,
userMessage: afErrors?.Errors.Aggregate(prefixErrorMessage, (msg, error) => msg += $" PI Point: [{error.Key.Name}] Error: [{error.Value.Message}] "));
// Write dummy values to the PI Points and confirm PI DataPipe receives none.
Output.WriteLine($"Write dummy values to the PI Points.");
for (int i = 0; i < eventValues.Length; i++)
{
piPointList[i].UpdateValue(new AFValue(eventValues[i], now), AFUpdateOption.InsertNoCompression);
}
Output.WriteLine($"Verify no events are received by the PIDataPipe.");
var noEvents = piDataPipe.GetUpdateEvents(eventValues.Length);
prefixErrorMessage = "Retrieving Update Events from the PIDataPipe was unsuccessful.";
Assert.False(noEvents.HasErrors,
userMessage: noEvents.Errors?.Aggregate(prefixErrorMessage, (msg, error) => msg += $" PI Point: [{error.Key.Name}] Error: [{error.Value.Message}] "));
Assert.True(noEvents.Count == 0, "PIDataPipe received events even after removing all sign ups.");
}
finally
{
piDataPipe.RemoveSignups(piPointList);
piDataPipe.Dispose();
PIFixture.DeletePIPoints(PointName + "*", Output);
}
}