public string GetValidNextElementOrError(string currentElement, out ProcessError nextElementError)
{
nextElementError = null;
string nextElementId = null;
List <string> nextElements = _process.NextElements(currentElement);
if (nextElements.Count > 1)
{
nextElementError = new ProcessError
{
Code = "Conflict",
Text = ($"There is more than one element reachable from element {currentElement}")
};
}
else
{
nextElementId = nextElements.First();
}
return(nextElementId);
}
public void NextElements_DefinitionHasTwoEndEvents_AskForNextStepFromLastTask_ReturnsIdOfBothEndEvents()
{
// Arrange
string definitions = LoadResourceAsString("Altinn.Process.UnitTest.TestData.multiple_events.bpmn");
BpmnReader target = BpmnReader.Create(definitions);
// Act
List <string> actual = target.NextElements("Task_08wkkve");
// Assert
Assert.NotNull(actual);
Assert.Equal(2, actual.Count);
}
public void NextElements_AskForNextStepFromStartEvent_ReturnsNextTaskId()
{
// Arrange
string definitions = LoadResourceAsString("Altinn.Process.UnitTest.TestData.multiple_events.bpmn");
BpmnReader target = BpmnReader.Create(definitions);
// Act
List <string> actual = target.NextElements("StartEvent_0mau26i");
// Assert
Assert.NotNull(actual);
Assert.Single(actual);
Assert.Equal("Task_14svrga", actual[0]);
}
public void NextElements_DefinitionsHaveTwoTasks_AskForNextStepAfterFirst_ReturnsNextElementId(string currentId, string nextId)
{
// Arrange
string definitions = LoadResourceAsString("Altinn.Process.UnitTest.TestData.default_process.bpmn");
BpmnReader target = BpmnReader.Create(definitions);
// Act
List <string> actual = target.NextElements(currentId);
// Assert
Assert.NotNull(actual);
Assert.Single(actual);
Assert.Equal(nextId, actual[0]);
}
public void NextElements_AskForNextStepWithANonexistingId_ThrowsProcessException()
{
// Arrange
string definitions = LoadResourceAsString("Altinn.Process.UnitTest.TestData.multiple_events.bpmn");
BpmnReader target = BpmnReader.Create(definitions);
ProcessException actual = null;
// Act
try
{
_ = target.NextElements("donotexist");
}
catch (ProcessException pe)
{
actual = pe;
}
// Assert
Assert.NotNull(actual);
Assert.IsType <ProcessException>(actual);
}
public void NextElements_DefinitionsHaveTwoTasks_AskForNextStepWithoutCurrent_ThrowsArgumentNullException()
{
// Arrange
string definitions = LoadResourceAsString("Altinn.Process.UnitTest.TestData.default_process.bpmn");
BpmnReader target = BpmnReader.Create(definitions);
ArgumentNullException actual = null;
// Act
try
{
_ = target.NextElements(null);
}
catch (ArgumentNullException ane)
{
actual = ane;
}
// Assert
Assert.NotNull(actual);
Assert.IsType <ArgumentNullException>(actual);
Assert.Equal("elementId", actual.ParamName);
}