public async Task Given_graph_with_nodes_When_execute_twice_Then_will_travers_nodes_in_right_direction_both_times()
{
var root = new LogicNode()
{
Name = "root"
};
var childA = new LogicNode()
{
Name = "nodeA", Parent = root
};
var childB = new LogicNode()
{
Name = "nodeB", Parent = root
};
root.Children.Add(childA);
root.Children.Add(childB);
var nodeAA = new LogicNode()
{
Name = "nodeAA", Parent = childA
};
childA.Children.Add(nodeAA);
var graph = new LogicGraph()
{
Root = root, ExecutionFlow = new OrderedExecutionFlow()
};
await graph.Run().ToListAsync();
var secondRun = await graph.Run().ToListAsync();
secondRun.Select(v => v.Node.Name).Should().Equal("root", "nodeA", "nodeAA", "nodeB");
}
public async Task Given_graph_with_jint_node_raising_an_error_When_execute_Then_flow_stops()
{
var root = new LogicNode()
{
Name = "root"
};
var childA = new LogicNode()
{
Name = "nodeA", Parent = root,
Script = new Script("bad script")
};
var childB = new LogicNode()
{
Name = "nodeB", Parent = root
};
root.Children.Add(childA);
root.Children.Add(childB);
var nodeAA = new LogicNode()
{
Name = "nodeAA", Parent = childA
};
childA.Children.Add(nodeAA);
var graph = new LogicGraph()
{
Root = root, ExecutionFlow = new OrderedExecutionFlow(new JintNodeExecutor())
};
var trace = new List <NodeVisitResult>();
await foreach (var visit in graph.Run())
{
trace.Add(visit);
}
trace.Select(v => v.Node.Name).Should().Equal("root", "nodeA");
var error = trace.Last().Result.Should().BeOfType <ExecutionError>().Subject;
error.Message.Should().Contain("Unexpected identifier");
}
public async Task Given_nodes_changing_direction_When_execute_Then_will_follow_it_commands()
{
var root = new LogicNode()
{
Name = "root"
};
var childARedirectParent = new TestLogicNode()
{
Name = "nodeA", Parent = root,
Behavior = () => new ExecutionSuccessAndRedirect(root)
};
var childB = new LogicNode()
{
Name = "nodeB", Parent = root
};
root.Children.Add(childARedirectParent);
root.Children.Add(childB);
var nodeAA = new LogicNode()
{
Name = "nodeAA", Parent = childARedirectParent
};
childARedirectParent.Children.Add(nodeAA);
var graph = new LogicGraph()
{
Root = root, ExecutionFlow = new OrderedExecutionFlow(new TestNodeExecutor())
};
var trace = new List <NodeVisitResult>();
await foreach (var visit in graph.Run())
{
trace.Add(visit);
}
trace.Select(v => v.Node.Name).Should().Equal("root", "nodeA", "nodeB");
}
public async Task Given_graph_with_jint_node_stopping_flow_When_execute_Then_will_follow_jint_stop_command()
{
var root = new LogicNode()
{
Name = "root"
};
var childA = new LogicNode()
{
Name = "nodeA", Parent = root,
Script = new Script("flow.Stop();")
};
var childB = new LogicNode()
{
Name = "nodeB", Parent = root
};
root.Children.Add(childA);
root.Children.Add(childB);
var nodeAA = new LogicNode()
{
Name = "nodeAA", Parent = childA
};
childA.Children.Add(nodeAA);
var graph = new LogicGraph()
{
Root = root, ExecutionFlow = new OrderedExecutionFlow(new JintNodeExecutor())
};
var trace = new List <NodeVisitResult>();
await foreach (var visit in graph.Run())
{
trace.Add(visit);
}
trace.Select(v => v.Node.Name).Should().Equal("root", "nodeA");
}
public async Task Given_nodes_stopping_flow_When_execute_Then_will_follow_it_commands()
{
var root = new LogicNode()
{
Name = "root"
};
var childAStop = new TestLogicNode()
{
Name = "nodeA", Parent = root,
Behavior = () => new ExecutionSuccessAndStop()
{
Result = 1
}
};
var childB = new LogicNode()
{
Name = "nodeB", Parent = root
};
root.Children.Add(childAStop);
root.Children.Add(childB);
var graph = new LogicGraph()
{
Root = root, ExecutionFlow = new OrderedExecutionFlow(new TestNodeExecutor())
};
var trace = new List <NodeVisitResult>();
await foreach (var visit in graph.Run())
{
trace.Add(visit);
}
trace.Select(v => v.Node.Name).Should().Equal("root", "nodeA");
trace.Last().Result.As <ExecutionSuccessAndStop>().Result.Should().Be(1);
}
public async Task Given_graph_with_root_with_missing_services_When_running_Then_error_occurs()
{
var root = new LogicNode()
{
Name = "root",
Script = new Script("bad script",
Language.JavaScriptEs5,
KnownServices.ExecutionFlowService)
};
var graph = new LogicGraph()
{
Root = root, ExecutionFlow = new OrderedExecutionFlow(new JintNodeExecutor())
};
var result = await graph.Run().ToListAsync();
result.Should().HaveCount(1);
var error = result.First().Result.Should().BeOfType <ExecutionError>().Subject;
error.Message.Should().Contain(nameof(MissingServiceException));
}
public async Task Given_graph_with_nodes_When_execute_Then_will_travers_nodes_in_right_direction()
{
var root = new LogicNode()
{
Name = "root"
};
var childA = new LogicNode()
{
Name = "nodeA", Parent = root
};
var childB = new LogicNode()
{
Name = "nodeB", Parent = root
};
root.Children.Add(childA);
root.Children.Add(childB);
var nodeAA = new LogicNode()
{
Name = "nodeAA", Parent = childA
};
childA.Children.Add(nodeAA);
var graph = new LogicGraph()
{
Root = root, ExecutionFlow = new OrderedExecutionFlow()
};
var trace = new List <NodeVisitResult>();
await foreach (var visit in graph.Run())
{
trace.Add(visit);
}
trace.Select(v => v.Node.Name).Should().Equal("root", "nodeA", "nodeAA", "nodeB");
}
public async Task Given_graph_with_jint_node_redirecting_to_not_ordered_child_When_execute_Then_will_follow_jint_redirection()
{
var root = new LogicNode()
{
Name = "root"
};
var childA = new LogicNode()
{
Name = "nodeA", Parent = root,
Script = new Script("flow.RedirectToChild(1);")
};
var childB = new LogicNode()
{
Name = "nodeB", Parent = root
};
root.Children.Add(childA);
root.Children.Add(childB);
var nodeAA = new LogicNode()
{
Name = "nodeAA", Parent = childA
};
childA.Children.Add(nodeAA);
var nodeAB = new LogicNode()
{
Name = "nodeAB", Parent = childA
};
childA.Children.Add(nodeAB);
//to check that a normal flow without redirection with pick A child before B child as expected
var nodeBA = new LogicNode()
{
Name = "nodeBA", Parent = childB
};
childB.Children.Add(nodeBA);
var nodeBB = new LogicNode()
{
Name = "nodeBB", Parent = childB
};
childB.Children.Add(nodeBB);
var graph = new LogicGraph()
{
Root = root, ExecutionFlow = new OrderedExecutionFlow(new JintNodeExecutor())
};
var trace = new List <NodeVisitResult>();
await foreach (var visit in graph.Run())
{
trace.Add(visit);
}
trace.Select(v => v.Node.Name)
.Should().Equal("root", "nodeA", "nodeAB", "nodeAA", "nodeB", "nodeBA", "nodeBB");
}
public async Task Given_graph_with_nodes_exposing_flow_facade_When_redirect_to_not_ordered_child_via_facade_Then_will_follow_facade_redirection()
{
var root = new LogicNode()
{
Name = "root"
};
var childA = new TestNode()
{
Name = "nodeA", Parent = root,
Behavior = f => f.RedirectToChild(1) //redirect to nodeAB instead of nodeAA
};
var childB = new LogicNode()
{
Name = "nodeB", Parent = root
};
root.Children.Add(childA);
root.Children.Add(childB);
var nodeAA = new LogicNode()
{
Name = "nodeAA", Parent = childA
};
childA.Children.Add(nodeAA);
var nodeAB = new LogicNode()
{
Name = "nodeAB", Parent = childA
};
childA.Children.Add(nodeAB);
//to check that a normal flow without redirection with pick A child before B child as expected
var nodeBA = new LogicNode()
{
Name = "nodeBA", Parent = childB
};
childB.Children.Add(nodeBA);
var nodeBB = new LogicNode()
{
Name = "nodeBB", Parent = childB
};
childB.Children.Add(nodeBB);
var graph = new LogicGraph()
{
Root = root, ExecutionFlow = new OrderedExecutionFlow(new TestFacadeNodeExecutor())
};
var trace = new List <NodeVisitResult>();
await foreach (var visit in graph.Run())
{
trace.Add(visit);
}
trace.Select(v => v.Node.Name)
.Should().Equal("root", "nodeA", "nodeAB", "nodeAA", "nodeB", "nodeBA", "nodeBB");
}