public void IsConnected_WorkflowWithTwoDoublyConnectedStates_ReturnTrue()
{
// Arrange
var workflow = new IeWorkflow
{
States = new List <IeState>
{
new IeState {
Name = "New", IsInitial = true
},
new IeState {
Name = "Done"
}
},
TransitionEvents = new List <IeTransitionEvent>
{
new IeTransitionEvent {
FromState = "New", ToState = "Done"
},
new IeTransitionEvent {
FromState = "Done", ToState = "New"
}
}
};
var graph = new WorkflowGraph(workflow);
// Assert
Assert.AreEqual(true, graph.IsConnected());
}
public void Construction_WorkflowTransitionWithoutToState_ThrowsArgumentException()
{
// Arrange
var workflow = new IeWorkflow
{
States = new List <IeState> {
new IeState {
Name = "New"
}
},
TransitionEvents = new List <IeTransitionEvent> {
new IeTransitionEvent {
FromState = "New"
}
}
};
try
{
// Act
var graph = new WorkflowGraph(workflow);
}
catch (ArgumentException ex)
{
// Assert
Assert.IsNotNull(ex);
return;
}
Assert.Fail("Expected ArgumentException to have been thrown.");
}
public void IsConnected_ComplexConnectedWorkflow_ReturnsTrue()
{
// Arrange
var workflow = new IeWorkflow
{
States = new List <IeState>
{
new IeState {
Name = "New", IsInitial = true
},
new IeState {
Name = "Ready"
},
new IeState {
Name = "In Progress"
},
new IeState {
Name = "On Hold"
},
new IeState {
Name = "Done"
}
},
TransitionEvents = new List <IeTransitionEvent>
{
new IeTransitionEvent {
FromState = "New", ToState = "Ready"
},
new IeTransitionEvent {
FromState = "Ready", ToState = "In Progress"
},
new IeTransitionEvent {
FromState = "In Progress", ToState = "On Hold"
},
new IeTransitionEvent {
FromState = "On Hold", ToState = "In Progress"
},
new IeTransitionEvent {
FromState = "In Progress", ToState = "Done"
}
}
};
var graph = new WorkflowGraph(workflow);
// Assert
Assert.AreEqual(true, graph.IsConnected());
}
public void IsConnected_WorkflowWithInitialState_ReturnTrue()
{
// Arrange
var workflow = new IeWorkflow
{
States = new List <IeState> {
new IeState {
Name = "New", IsInitial = true
}
},
TransitionEvents = new List <IeTransitionEvent>()
};
var graph = new WorkflowGraph(workflow);
// Assert
Assert.AreEqual(true, graph.IsConnected());
}
public void Construction_WorkflowWithoutStates_ThrowsArgumentNullException()
{
// Arrange
var workflow = new IeWorkflow();
try
{
// Act
new WorkflowGraph(workflow);
}
catch (ArgumentNullException ex)
{
// Assert
Assert.AreEqual(nameof(workflow.States), ex.ParamName);
return;
}
Assert.Fail("Expected ArgumentNullException to have been thrown.");
}
public void Construction_NullWorkflow_ThrowsArgumentNullException()
{
// Arrange
IeWorkflow workflow = null;
try
{
// Act
new WorkflowGraph(workflow);
}
catch (ArgumentNullException ex)
{
// Assert
Assert.AreEqual(nameof(workflow), ex.ParamName);
return;
}
Assert.Fail("Expected ArgumentNullException to have been thrown.");
}
public void IsConnected_WorkflowWithTwoDisconnectedStates_ReturnFalse()
{
// Arrange
var workflow = new IeWorkflow
{
States = new List <IeState>
{
new IeState {
Name = "New", IsInitial = true
},
new IeState {
Name = "Done"
}
},
TransitionEvents = new List <IeTransitionEvent>()
};
var graph = new WorkflowGraph(workflow);
// Assert
Assert.AreEqual(false, graph.IsConnected());
}
public void Construction_WorkflowStateWithoutName_ThrowsArgumentException()
{
// Arrange
var workflow = new IeWorkflow
{
States = new List <IeState> {
new IeState()
}
};
try
{
// Act
new WorkflowGraph(workflow);
}
catch (ArgumentException ex)
{
// Assert
Assert.IsNotNull(ex);
return;
}
Assert.Fail("Expected ArgumentException to have been thrown.");
}
protected bool Equals(IeWorkflow other)
{
return(Id.GetValueOrDefault() == other.Id.GetValueOrDefault() && string.Equals(Name, other.Name) && string.Equals(Description, other.Description) && IsActive == other.IsActive && WorkflowHelper.CollectionEquals(States, other.States) && WorkflowHelper.CollectionEquals(TransitionEvents, other.TransitionEvents) && WorkflowHelper.CollectionEquals(PropertyChangeEvents, other.PropertyChangeEvents) && WorkflowHelper.CollectionEquals(NewArtifactEvents, other.NewArtifactEvents) && WorkflowHelper.CollectionEquals(Projects, other.Projects));
}
public WorkflowGraph(IeWorkflow workflow)
{
if (workflow == null)
{
throw new ArgumentNullException(nameof(workflow));
}
if (workflow.States == null)
{
throw new ArgumentNullException(nameof(workflow.States));
}
if (workflow.TransitionEvents == null)
{
throw new ArgumentNullException(nameof(workflow.TransitionEvents));
}
_nodesByName = new Dictionary <string, WorkflowGraphNode>();
foreach (var state in workflow.States)
{
if (string.IsNullOrWhiteSpace(state.Name))
{
throw new ArgumentException(StateHasNoNameError);
}
var node = new WorkflowGraphNode(state);
_nodesByName[state.Name] = node;
if (node.IsInitial)
{
_initialNode = node;
}
}
if (_initialNode == null)
{
throw new ArgumentException(NoInitialStateError);
}
foreach (var transition in workflow.TransitionEvents)
{
if (string.IsNullOrWhiteSpace(transition.FromState))
{
throw new ArgumentException(TransitionHasNoFromStateError);
}
if (string.IsNullOrWhiteSpace(transition.ToState))
{
throw new ArgumentException(TransitionHasNoToStateError);
}
WorkflowGraphNode fromNode;
WorkflowGraphNode toNode;
if (_nodesByName.TryGetValue(transition.FromState, out fromNode) &&
_nodesByName.TryGetValue(transition.ToState, out toNode))
{
fromNode.AddNextNode(toNode);
}
}
}