Exemplo n.º 1
0
        private static void CompileWorkflow(
            String fileName, String assemblyName)
        {
            WorkflowCompiler           compiler = new WorkflowCompiler();
            WorkflowCompilerParameters parameters
                = new WorkflowCompilerParameters();

            parameters.OutputAssembly = assemblyName;
            parameters.ReferencedAssemblies.Add("SharedWorkflows.dll");
#if COMPILE_RULES_WORKFLOW
            //add the .rules file for this workflow as a resource
            parameters.EmbeddedResources.Add("ProWF.MyNewWorkflowClass.rules");
#endif
            WorkflowCompilerResults results
                = compiler.Compile(parameters, fileName);
            if (results.Errors.Count > 0)
            {
                foreach (System.CodeDom.Compiler.CompilerError error
                         in results.Errors)
                {
                    Console.WriteLine("Compiler error: Line{0}: {1}",
                                      error.Line, error.ErrorText);
                }
            }
        }
Exemplo n.º 2
0
        private static void Main(string[] args)
        {
            if ((args == null) || (args.Length != 2))
            {
                throw new ArgumentException(WrapperSR.GetString("InvalidArgumentsToMain"), "args");
            }
            CompilerInput           input   = ReadCompilerInput(args[0]);
            WorkflowCompilerResults results = new WorkflowCompiler().Compile(MultiTargetingInfo.MultiTargetingUtilities.RenormalizeReferencedAssemblies(input.Parameters), input.Files);

            WriteCompilerOutput(args[1], results);
        }
Exemplo n.º 3
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        static void Main(string[] args)
        {
            using (WorkflowRuntime workflowRuntime = new WorkflowRuntime())
            {
                AutoResetEvent waitHandle = new AutoResetEvent(false);

                WorkflowCompiler           compiler           = new WorkflowCompiler();
                WorkflowCompilerParameters compilerParameters = new WorkflowCompilerParameters();
                compilerParameters.GenerateInMemory = true;

                String[] workflowFilenames = GetWorkflowFilenames();

                WorkflowCompilerResults results = compiler.Compile(compilerParameters, workflowFilenames);
                if (results.Errors.Count > 0)
                {
                    Console.WriteLine("Errors occurred while building the workflow:");
                    foreach (WorkflowCompilerError compilerError in results.Errors)
                    {
                        Console.WriteLine(compilerError.Line.ToString() + "," + compilerError.Column.ToString() + " : " + compilerError.ErrorText);
                    }

                    return;
                }

                Type workflowType = results.CompiledAssembly.GetType("Microsoft.Samples.Workflow.SimpleInMemorySample.SequentialWorkflow");

                workflowRuntime.WorkflowCompleted += delegate(object sender, WorkflowCompletedEventArgs e)
                {
                    string orderStatus = e.OutputParameters["Status"].ToString();
                    Console.WriteLine("Order was " + orderStatus);
                    waitHandle.Set();
                };
                workflowRuntime.WorkflowTerminated += delegate(object sender, WorkflowTerminatedEventArgs e)
                {
                    Console.WriteLine(e.Exception.Message);
                    waitHandle.Set();
                };

                Dictionary <string, object> parameters = new Dictionary <string, object>();
                parameters.Add("Amount", 300);

                WorkflowInstance instance = workflowRuntime.CreateWorkflow(workflowType, parameters);
                instance.Start();

                waitHandle.WaitOne();

                workflowRuntime.StopRuntime();
            }
        }
Exemplo n.º 4
0
        private void CompileWorkflowButton(object sender, EventArgs e)
        {
            if (string.IsNullOrEmpty(this.xamlFile))
            {
                return;
            }
            if (!File.Exists(this.xamlFile))
            {
                MessageBox.Show(this, "Cannot locate XAML file: " + Path.Combine(Path.GetDirectoryName(this.GetType().Assembly.Location), xamlFile), this.Text, MessageBoxButtons.OK, MessageBoxIcon.Error);
                return;
            }
            compileWorkflowButton.Enabled = false;
            Cursor cursor = this.Cursor;

            this.Cursor = Cursors.WaitCursor;
            try
            {
                // Compile the workflow
                String[]                   assemblyNames = { "ReadEmailActivity.dll" };
                WorkflowCompiler           compiler      = new WorkflowCompiler();
                WorkflowCompilerParameters parameters    = new WorkflowCompilerParameters(assemblyNames);
                parameters.LibraryPaths.Add(Path.GetDirectoryName(typeof(BaseMailbox).Assembly.Location));
                parameters.OutputAssembly = "CustomOutlookWorkflow" + Guid.NewGuid().ToString() + ".dll";
                results = compiler.Compile(parameters, this.xamlFile);

                StringBuilder errors = new StringBuilder();
                foreach (CompilerError compilerError in results.Errors)
                {
                    errors.Append(compilerError.ToString() + '\n');
                }

                if (errors.Length != 0)
                {
                    MessageBox.Show(this, errors.ToString(), this.Text, MessageBoxButtons.OK, MessageBoxIcon.Error);
                    compileWorkflowButton.Enabled = true;
                }
                else
                {
                    MessageBox.Show(this, "Workflow compiled successfully. Compiled assembly:\n" + results.CompiledAssembly.GetName(), this.Text, MessageBoxButtons.OK, MessageBoxIcon.Information);
                    startWorkflowButton.Enabled = true;
                }
            }
            finally
            {
                this.Cursor = cursor;
            }
        }
Exemplo n.º 5
0
        public async Task ListRunningTask()
        {
            Mock <IScriptImportService> importservice = new Mock <IScriptImportService>();

            importservice.Setup(s => s.Clone(It.IsAny <WorkableLogger>())).Returns(() => importservice.Object);

            IEntityManager           database         = TestSetup.CreateMemoryDatabase();
            CacheService             cache            = new CacheService(new NullLogger <CacheService>());
            IScriptCompiler          compiler         = new ScriptCompiler(new NullLogger <ScriptCompiler>(), new ScriptParser(), cache, null, new Mock <IScriptService>().Object, new Mock <IArchiveService>().Object, importservice.Object, null, null);
            WorkflowCompiler         workflowcompiler = new WorkflowCompiler(new NullLogger <WorkflowCompiler>(), cache, null, compiler);
            ITaskService             taskservice      = new DatabaseTaskService(database);
            WorkflowExecutionService executionservice = new WorkflowExecutionService(new NullLogger <WorkflowExecutionService>(), taskservice, null, null, workflowcompiler);

            WorkableTask task = await executionservice.Execute(await workflowcompiler.BuildWorkflow(new WorkflowStructure {
                Name  = "JS Test",
                Nodes = new[] {
                    new NodeData {
                        Type = NodeType.Start
                    },
                    new NodeData {
                        Type = NodeType.Node,
                    }
                },
                Transitions = new[] {
                    new IndexTransition {
                        OriginIndex = 0,
                        TargetIndex = 1
                    },
                    new IndexTransition {
                        OriginIndex = 1,
                        TargetIndex = 0,
                    }
                }
            }), new Dictionary <string, object>(), false);

            Assert.AreEqual(TaskStatus.Running, task.Status);
            Page <WorkableTask> tasks = await taskservice.ListTasks();

            Assert.AreEqual(1, tasks.Total);
            Assert.AreEqual(1, tasks.Result.Length);

            task.Token.Cancel();
            await Task.WhenAny(task.Task, Task.Delay(1000));

            Assert.AreEqual(TaskStatus.Canceled, task.Status);
        }
Exemplo n.º 6
0
        public async Task ExecuteJavascriptExpression()
        {
            Mock <IScriptImportService> importservice = new Mock <IScriptImportService>();

            importservice.Setup(s => s.Clone(It.IsAny <WorkableLogger>())).Returns(() => importservice.Object);

            IEntityManager           database         = TestSetup.CreateMemoryDatabase();
            CacheService             cache            = new CacheService(new NullLogger <CacheService>());
            IScriptCompiler          compiler         = new ScriptCompiler(new NullLogger <ScriptCompiler>(), new ScriptParser(), cache, null, new Mock <IScriptService>().Object, new Mock <IArchiveService>().Object, importservice.Object, null, null);
            WorkflowCompiler         workflowcompiler = new WorkflowCompiler(new NullLogger <WorkflowCompiler>(), cache, null, compiler);
            WorkflowExecutionService executionservice = new WorkflowExecutionService(new NullLogger <WorkflowExecutionService>(), new DatabaseTaskService(database), null, null, workflowcompiler);

            WorkableTask task = await executionservice.Execute(await workflowcompiler.BuildWorkflow(new WorkflowStructure {
                Name  = "JS Test",
                Nodes = new[] {
                    new NodeData {
                        Type = NodeType.Start
                    },
                    new NodeData {
                        Type       = NodeType.Expression,
                        Parameters = new Dictionary <string, object> {
                            ["Code"]     = "return a+b",
                            ["Language"] = ScriptLanguage.JavaScript
                        }
                    }
                },
                Transitions = new[] {
                    new IndexTransition {
                        OriginIndex = 0,
                        TargetIndex = 1
                    },
                }
            }), new Dictionary <string, object> {
                ["a"] = 3,
                ["b"] = 4
            }, false);

            await task.Task;

            Assert.AreEqual(TaskStatus.Success, task.Status);
            Assert.AreEqual(7, task.Result);
        }
Exemplo n.º 7
0
        public async Task ProfileLoopPerformance()
        {
            Mock <IScriptImportService> importservice = new Mock <IScriptImportService>();

            importservice.Setup(s => s.Clone(It.IsAny <WorkableLogger>())).Returns(() => importservice.Object);

            IEntityManager           database         = TestSetup.CreateMemoryDatabase();
            CacheService             cache            = new CacheService(new NullLogger <CacheService>());
            IScriptCompiler          compiler         = new ScriptCompiler(new NullLogger <ScriptCompiler>(), new ScriptParser(), cache, null, new Mock <IScriptService>().Object, new Mock <IArchiveService>().Object, importservice.Object, null, null);
            WorkflowCompiler         workflowcompiler = new WorkflowCompiler(new NullLogger <WorkflowCompiler>(), cache, null, compiler);
            WorkflowExecutionService executionservice = new WorkflowExecutionService(new NullLogger <WorkflowExecutionService>(), new DatabaseTaskService(database), null, null, workflowcompiler);

            WorkableTask task = await executionservice.Execute(await workflowcompiler.BuildWorkflow(new WorkflowStructure {
                Name  = "JS Test",
                Nodes = new[] {
                    new NodeData {
                        Type = NodeType.Start
                    },
                    new NodeData {
                        Type       = NodeType.Value,
                        Parameters = new Dictionary <string, object> {
                            ["Value"] = "0"
                        },
                        Variable = "result"
                    },
                    new NodeData {
                        Type       = NodeType.Iterator,
                        Parameters = new Dictionary <string, object> {
                            ["Collection"] = "[1,2,3,4,5]",
                            ["Item"]       = "number"
                        },
                    },
                    new NodeData {
                        Type       = NodeType.BinaryOperation,
                        Parameters = new Dictionary <string, object> {
                            ["Lhs"] = "$result",
                            ["Rhs"] = "$number",
                            ["Op"]  = BinaryOperation.Add
                        },
                        Variable = "result"
                    },
                    new NodeData {
                        Type       = NodeType.Value,
                        Parameters = new Dictionary <string, object> {
                            ["Value"] = "$result"
                        }
                    }
                },
                Transitions = new[] {
                    new IndexTransition {
                        OriginIndex = 0,
                        TargetIndex = 1
                    },
                    new IndexTransition {
                        OriginIndex = 1,
                        TargetIndex = 2,
                    },
                    new IndexTransition {
                        OriginIndex = 2,
                        TargetIndex = 3,
                        Type        = TransitionType.Loop,
                        Log         = "$\"Adding number {$number}\""
                    },
                    new IndexTransition {
                        OriginIndex = 3,
                        TargetIndex = 2
                    },
                    new IndexTransition {
                        OriginIndex = 2,
                        TargetIndex = 4
                    },
                }
            }), new Dictionary <string, object>(), true);

            await task.Task;

            Assert.AreEqual(TaskStatus.Success, task.Status);
            Assert.That(task.Log.Any(l => l.Contains("calls")));
            Assert.AreEqual(15, task.Result);
        }
Exemplo n.º 8
0
        public async Task ExecuteSubWorkflowWithParametersInLoop()
        {
            Mock <IScriptImportService> importservice = new Mock <IScriptImportService>();

            importservice.Setup(s => s.Clone(It.IsAny <WorkableLogger>())).Returns(() => importservice.Object);
            Mock <IArchiveService> archiveservice = new Mock <IArchiveService>();

            IEntityManager           database         = TestSetup.CreateMemoryDatabase();
            CacheService             cache            = new CacheService(new NullLogger <CacheService>());
            IScriptCompiler          compiler         = new ScriptCompiler(new NullLogger <ScriptCompiler>(), new ScriptParser(), cache, null, new Mock <IScriptService>().Object, archiveservice.Object, importservice.Object, null, null);
            IWorkflowService         workflowservice  = new DatabaseWorkflowService(database, archiveservice.Object);
            WorkflowCompiler         workflowcompiler = new WorkflowCompiler(new NullLogger <WorkflowCompiler>(), cache, workflowservice, compiler);
            WorkflowExecutionService executionservice = new WorkflowExecutionService(new NullLogger <WorkflowExecutionService>(), new DatabaseTaskService(database), null, workflowservice, workflowcompiler);

            await workflowservice.CreateWorkflow(new WorkflowStructure {
                Name  = "Submarine",
                Nodes = new [] {
                    new NodeData {
                        Type = NodeType.Start
                    },
                    new NodeData {
                        Type       = NodeType.Value,
                        Parameters = new Dictionary <string, object> {
                            ["Value"] = "$value"
                        }
                    }
                },
                Transitions = new[] {
                    new IndexTransition {
                        OriginIndex = 0,
                        TargetIndex = 1
                    },
                }
            });

            WorkableTask task = await executionservice.Execute(await workflowcompiler.BuildWorkflow(new WorkflowStructure {
                Name  = "Subcall Test",
                Nodes = new[] {
                    new NodeData {
                        Type = NodeType.Start
                    },
                    new NodeData {
                        Type       = NodeType.Value,
                        Parameters = new Dictionary <string, object> {
                            ["Value"] = "0",
                        },
                        Variable = "result"
                    },
                    new NodeData {
                        Type       = NodeType.Iterator,
                        Parameters = new Dictionary <string, object> {
                            ["Item"]       = "value",
                            ["Collection"] = "[1,2,3,4,5]"
                        }
                    },
                    new NodeData {
                        Type       = NodeType.Workflow,
                        Parameters = new Dictionary <string, object> {
                            ["Name"]      = "Submarine",
                            ["Arguments"] = new Dictionary <string, object> {
                                ["value"] = "$value"
                            }
                        },
                        Variable = "subresult"
                    },
                    new NodeData {
                        Type       = NodeType.BinaryOperation,
                        Parameters = new Dictionary <string, object> {
                            ["Lhs"]       = "$result",
                            ["Operation"] = BinaryOperation.Add,
                            ["Rhs"]       = "$subresult"
                        },
                        Variable = "result"
                    },
                    new NodeData {
                        Type       = NodeType.Value,
                        Parameters = new Dictionary <string, object> {
                            ["Value"] = "$result",
                        }
                    },
                },
                Transitions = new[] {
                    new IndexTransition {
                        OriginIndex = 0,
                        TargetIndex = 1
                    },
                    new IndexTransition {
                        OriginIndex = 1,
                        TargetIndex = 2
                    },
                    new IndexTransition {
                        OriginIndex = 2,
                        TargetIndex = 3,
                        Type        = TransitionType.Loop
                    },
                    new IndexTransition {
                        OriginIndex = 2,
                        TargetIndex = 5
                    },
                    new IndexTransition {
                        OriginIndex = 3,
                        TargetIndex = 4
                    },
                    new IndexTransition {
                        OriginIndex = 4,
                        TargetIndex = 2
                    },
                }
            }), new Dictionary <string, object>(), false);

            await task.Task;

            Assert.AreEqual(TaskStatus.Success, task.Status);
            Assert.AreEqual(15, task.Result);
        }
Exemplo n.º 9
0
        public async Task SuspendAndContinueWithParameters()
        {
            IEntityManager           database         = TestSetup.CreateMemoryDatabase();
            CacheService             cache            = new CacheService(new NullLogger <CacheService>());
            IScriptCompiler          compiler         = new ScriptCompiler(new NullLogger <ScriptCompiler>(), new ScriptParser(), cache, null, new Mock <IScriptService>().Object, new Mock <IArchiveService>().Object, null, null, null);
            WorkflowCompiler         workflowcompiler = new WorkflowCompiler(new NullLogger <WorkflowCompiler>(), cache, null, compiler);
            WorkflowExecutionService executionservice = new WorkflowExecutionService(new NullLogger <WorkflowExecutionService>(), new DatabaseTaskService(database), null, null, workflowcompiler);

            WorkableTask task = await executionservice.Execute(await workflowcompiler.BuildWorkflow(new WorkflowStructure {
                Name  = "Test",
                Nodes = new[] {
                    new NodeData {
                        Type = NodeType.Start
                    },
                    new NodeData {
                        Type       = NodeType.Suspend,
                        Parameters = new Dictionary <string, object> {
                            ["Variable"] = "x"
                        }
                    },
                    new NodeData {
                        Type       = NodeType.Value,
                        Parameters = new Dictionary <string, object> {
                            ["Value"] = 10
                        }
                    },
                    new NodeData {
                        Type       = NodeType.Value,
                        Parameters = new Dictionary <string, object> {
                            ["Value"] = 5
                        }
                    }
                },
                Transitions = new[] {
                    new IndexTransition {
                        OriginIndex = 0,
                        TargetIndex = 1,
                    },
                    new IndexTransition {
                        OriginIndex = 1,
                        TargetIndex = 2,
                        Condition   = "$x>=3"
                    },
                    new IndexTransition {
                        OriginIndex = 1,
                        TargetIndex = 3,
                    }
                }
            }), new Dictionary <string, object>(), false);

            await task.Task;

            Assert.AreEqual(TaskStatus.Suspended, task.Status);

            task = await executionservice.Continue(task.Id, new Dictionary <string, object> {
                ["x"] = 5
            });

            await task.Task;

            Assert.AreEqual(TaskStatus.Success, task.Status);
            Assert.AreEqual(10, task.Result);
        }
Exemplo n.º 10
0
        public async Task ProfileSubWorkflow()
        {
            Mock <IScriptImportService> importservice = new Mock <IScriptImportService>();

            importservice.Setup(s => s.Clone(It.IsAny <WorkableLogger>())).Returns(() => importservice.Object);
            Mock <IArchiveService> archiveservice = new Mock <IArchiveService>();

            IEntityManager           database         = TestSetup.CreateMemoryDatabase();
            CacheService             cache            = new CacheService(new NullLogger <CacheService>());
            IScriptCompiler          compiler         = new ScriptCompiler(new NullLogger <ScriptCompiler>(), new ScriptParser(), cache, null, new Mock <IScriptService>().Object, archiveservice.Object, importservice.Object, null, null);
            IWorkflowService         workflowservice  = new DatabaseWorkflowService(database, archiveservice.Object);
            WorkflowCompiler         workflowcompiler = new WorkflowCompiler(new NullLogger <WorkflowCompiler>(), cache, workflowservice, compiler);
            WorkflowExecutionService executionservice = new WorkflowExecutionService(new NullLogger <WorkflowExecutionService>(), new DatabaseTaskService(database), null, workflowservice, workflowcompiler);

            await workflowservice.CreateWorkflow(new WorkflowStructure {
                Name  = "Submarine",
                Nodes = new [] {
                    new NodeData {
                        Type = NodeType.Start
                    },
                    new NodeData {
                        Type       = NodeType.Value,
                        Name       = "Subvalue",
                        Parameters = new Dictionary <string, object> {
                            ["Value"] = "$job.id"
                        }
                    }
                },
                Transitions = new[] {
                    new IndexTransition {
                        OriginIndex = 0,
                        TargetIndex = 1
                    },
                }
            });

            WorkableTask task = await executionservice.Execute(await workflowcompiler.BuildWorkflow(new WorkflowStructure {
                Name  = "Subcall Test",
                Nodes = new[] {
                    new NodeData {
                        Type = NodeType.Start
                    },
                    new NodeData {
                        Type       = NodeType.Workflow,
                        Name       = "Call Submarine",
                        Parameters = new Dictionary <string, object> {
                            ["Name"]      = "Submarine",
                            ["Arguments"] = new Dictionary <string, object> {
                                ["job"] = new Dictionary <string, object> {
                                    ["id"] = 1.0
                                }
                            }
                        }
                    }
                },
                Transitions = new[] {
                    new IndexTransition {
                        OriginIndex = 0,
                        TargetIndex = 1
                    },
                }
            }), new Dictionary <string, object>(), true);

            await task.Task;

            Assert.AreEqual(TaskStatus.Success, task.Status);
            Assert.That(task.Log.Any(l => l.Contains("calls")));
            Assert.AreEqual(1.0, task.Result);
        }
        /// <summary>
        /// Compile the workflow along with the code beside file and the rules file if they exist
        /// </summary>
        public void CompileWorkflow()
        {
            if (string.IsNullOrEmpty(this.loader.Xoml))
            {
                return;
            }

            if (!File.Exists(this.loader.Xoml))
            {
                MessageBox.Show(this, "Cannot locate XAML file: " + Path.Combine(Path.GetDirectoryName(this.GetType().Assembly.Location), this.loader.Xoml), this.Text, MessageBoxButtons.OK, MessageBoxIcon.Error);
                return;
            }

            // If everything is Ok then save the files before compiling
            this.Save();

            Cursor cursor = this.Cursor;

            this.Cursor = Cursors.WaitCursor;
            try
            {
                // Check for code beside file and rules file

                WorkflowCompiler           compiler   = new WorkflowCompiler();
                WorkflowCompilerParameters parameters = new WorkflowCompilerParameters();

                string codeBesideFile = Path.Combine(Path.GetDirectoryName(this.loader.Xoml), Path.GetFileNameWithoutExtension(this.loader.Xoml) + ".cs");
                string rulesFile      = Path.Combine(Path.GetDirectoryName(this.loader.Xoml), Path.GetFileNameWithoutExtension(this.loader.Xoml) + ".rules");

                ArrayList files = new ArrayList();
                files.Add(this.loader.Xoml);

                if (File.Exists(codeBesideFile))
                {
                    files.Add(codeBesideFile);
                }

                if (File.Exists(rulesFile))
                {
                    // adding the rules file to the resources
                    string resources = @"/resource:" + rulesFile + "," + this.NameSpace + "." + this.TypeName + "." + "rules";
                    parameters.CompilerOptions += resources;
                }

                object[] objArray = new object[] { };
                objArray = files.ToArray();

                string[] strArr = new string[objArray.Length];
                Array.Copy(objArray, 0, strArr, 0, objArray.Length);

                // Compile the workflow
                parameters.ReferencedAssemblies.Add("Dude.dll");
                parameters.OutputAssembly = "CustomWorkflow" + Guid.NewGuid().ToString() + ".dll";
                WorkflowCompilerResults results = compiler.Compile(parameters, strArr);

                StringBuilder errors = new StringBuilder();
                foreach (CompilerError compilerError in results.Errors)
                {
                    errors.Append(compilerError.ToString() + '\n');
                }

                if (errors.Length != 0)
                {
                    MessageBox.Show(this, errors.ToString(), this.Text, MessageBoxButtons.OK, MessageBoxIcon.Error);
                }
                else
                {
                    MessageBox.Show(this, "Workflow compiled successfully. Compiled assembly: \n" + results.CompiledAssembly.GetName(), this.Text, MessageBoxButtons.OK, MessageBoxIcon.Information);
                }
            }
            finally
            {
                this.Cursor = cursor;
            }
        }
Exemplo n.º 12
0
        public async Task SumConditionalLoop()
        {
            IEntityManager           database         = TestSetup.CreateMemoryDatabase();
            CacheService             cache            = new CacheService(new NullLogger <CacheService>());
            IScriptCompiler          compiler         = new ScriptCompiler(new NullLogger <ScriptCompiler>(), new ScriptParser(), cache, null, new Mock <IScriptService>().Object, new Mock <IArchiveService>().Object, null, new Mock <IPythonService>().Object, null);
            WorkflowCompiler         workflowcompiler = new WorkflowCompiler(new NullLogger <WorkflowCompiler>(), cache, null, compiler);
            WorkflowExecutionService executionservice = new WorkflowExecutionService(new NullLogger <WorkflowExecutionService>(), new DatabaseTaskService(database), null, null, workflowcompiler);

            WorkableTask task = await executionservice.Execute(await workflowcompiler.BuildWorkflow(new WorkflowStructure {
                Name  = "Test",
                Nodes = new[] {
                    new NodeData {
                        Type = NodeType.Start
                    },
                    new NodeData {
                        Type       = NodeType.Value,
                        Parameters = new Dictionary <string, object> {
                            ["Value"] = 0
                        },
                        Variable = "result"
                    },
                    new NodeData {
                        Type       = NodeType.Iterator,
                        Parameters = new Dictionary <string, object> {
                            ["Collection"] = "[1,5,2,2,8,7,4]"
                        }
                    },
                    new NodeData {
                        Type       = NodeType.BinaryOperation,
                        Parameters = new Dictionary <string, object> {
                            ["lhs"]       = "$result",
                            ["rhs"]       = "$item",
                            ["operation"] = "Add"
                        },
                        Variable = "result"
                    },
                    new NodeData {
                        Type       = NodeType.Value,
                        Parameters = new Dictionary <string, object> {
                            ["Value"] = "$result"
                        }
                    }
                },
                Transitions = new[] {
                    new IndexTransition {
                        OriginIndex = 0,
                        TargetIndex = 1,
                    },
                    new IndexTransition {
                        OriginIndex = 1,
                        TargetIndex = 2,
                    },
                    new IndexTransition {
                        OriginIndex = 2,
                        TargetIndex = 3,
                        Type        = TransitionType.Loop,
                        Condition   = "$item&1==0"
                    },
                    new IndexTransition {
                        OriginIndex = 2,
                        TargetIndex = 4,
                    },
                    new IndexTransition {
                        OriginIndex = 3,
                        TargetIndex = 2
                    }
                }
            }), new Dictionary <string, object>(), false);

            await task.Task;

            Assert.AreEqual(Dto.TaskStatus.Success, task.Status);
            Assert.AreEqual(16, task.Result);
        }