C# Core.Engine类代码示例

        private bool Configure(Engine engine)
        {
            try
            {
                // If we have a configuration file use it, otherwise configure with defaults
                IFile configFile = engine.FileSystem.GetRootFile(_configFilePath);
                if (configFile.Exists)
                {
                    Trace.Information("Loading configuration from {0}", configFile.Path);
                    engine.Configure(configFile, _updatePackages, _outputScripts);
                }
                else
                {
                    Trace.Information("Could not find configuration file {0}, using default configuration", _configFilePath);
                    engine.Configure(GetDefaultConfigScript(), _updatePackages);
                }
            }
            catch (Exception ex)
            {
                Trace.Critical("Error while loading configuration: {0}", ex.Message);
                return false;
            }

            return true;
        }

            public void Document()
            {
                // Given
                string inputFolder = Path.Combine(TestContext.CurrentContext.TestDirectory, @".\Input");
                if (!Directory.Exists(inputFolder))
                {
                    Directory.CreateDirectory(inputFolder);
                }
                IExecutionContext context = Substitute.For<IExecutionContext>();
                context.RootFolder.Returns(TestContext.CurrentContext.TestDirectory);
                context.InputFolder.Returns(inputFolder);
                Engine engine = new Engine();
                engine.Configure();
                context.Assemblies.Returns(engine.Assemblies);
                IDocument document = Substitute.For<IDocument>();
                document.Source.Returns(@"C:\Temp\temp.txt");
                document.GetStream().Returns(new MemoryStream(Encoding.UTF8.GetBytes(@"<p>@Document.Source</p>")));
                Razor razor = new Razor();

                // When
                razor.Execute(new[] { document }, context).ToList();

                // Then
                context.Received(1).GetDocument(Arg.Any<IDocument>(), Arg.Any<string>());
                context.Received().GetDocument(document, @"<p>C:\Temp\temp.txt</p>");
            }

        public void CompletedContentIsPopulatedAfterRun()
        {
            // Given
            Engine engine = new Engine();
            engine.CleanOutputPathOnExecute = false;
            int c = 0;
            engine.Pipelines.Add(
                new Execute((x, ctx) => new[]
                {
                    ctx.GetDocument(x, (c++).ToString()),
                    ctx.GetDocument(x, (c++).ToString())
                }),
                new Execute((x, ctx) => new[]
                {
                    ctx.GetDocument(x, (c++).ToString())
                }),
                new Core.Modules.Metadata.Meta("Content", (x, y) => x.Content));

            // When
            engine.Execute();

            // Then
            Assert.AreEqual(2, engine.Documents.FromPipeline("Pipeline 1").Count());
            Assert.AreEqual("2", engine.Documents.FromPipeline("Pipeline 1").First().String("Content"));
            Assert.AreEqual("3", engine.Documents.FromPipeline("Pipeline 1").Skip(1).First().String("Content"));
        }

        public void ExecuteResultsInCorrectCounts()
        {
            // Given
            Engine engine = new Engine();
            CountModule a = new CountModule("A")
            {
                AdditionalOutputs = 1
            };
            CountModule b = new CountModule("B")
            {
                AdditionalOutputs = 2
            };
            CountModule c = new CountModule("C")
            {
                AdditionalOutputs = 3
            };
            engine.Pipelines.Add(a, b, c);

            // When
            engine.Execute();

            // Then
            Assert.AreEqual(1, a.ExecuteCount);
            Assert.AreEqual(1, b.ExecuteCount);
            Assert.AreEqual(1, c.ExecuteCount);
            Assert.AreEqual(1, a.InputCount);
            Assert.AreEqual(2, b.InputCount);
            Assert.AreEqual(6, c.InputCount);
            Assert.AreEqual(2, a.OutputCount);
            Assert.AreEqual(6, b.OutputCount);
            Assert.AreEqual(24, c.OutputCount);
        }

        private bool Execute(Engine engine)
        {
            if (!_noClean)
            {
                try
                {
                    engine.Trace.Information("Cleaning output directory {0}...", engine.OutputFolder);
                    if (Directory.Exists(engine.OutputFolder))
                    {
                        Directory.Delete(engine.OutputFolder, true);
                    }
                    engine.Trace.Information("Cleaned output directory.");
                }
                catch (Exception ex)
                {
                    engine.Trace.Critical("Error while cleaning output directory: {0}.", ex.Message);
                    return false;
                }
            }

            try
            {
                engine.Execute();
            }
            catch (Exception ex)
            {
                engine.Trace.Critical("Error while executing: {0}.", ex.Message);
                return false;
            }

            return true;
        }

 public void ExecuteAllExamples()
 {
     string path = Path.Combine(Assembly.GetExecutingAssembly().Location, "Examples");
     while (!Directory.Exists(path))
     {
         path = Directory.GetParent(path).Parent.FullName;
         path = Path.Combine(path, "Examples");
     }
     int count = 0;
     foreach(string example in Directory.EnumerateDirectories(path))
     {
         Console.WriteLine("Executing example " + example);
         Engine engine = new Engine
         {
             RootFolder = example
         };
         string config = Path.Combine(example, "config.wyam");
         if (File.Exists(config))
         {
             Console.WriteLine("Loading configuration file");
             engine.Configure(File.ReadAllText(config));
         }
         engine.Execute();
         count++;
     }
     Assert.AreEqual(4, count);
 }

        public void ToLookupOfStringReturnsCorrectLookup()
        {
            // Given
            Engine engine = new Engine();
            Pipeline pipeline = new Pipeline("Pipeline", engine, null);
            IDocument a = new Document(engine, pipeline)
                .Clone("a", new[] { new KeyValuePair<string, object>("Numbers", new[] { 1, 2, 3 }) });
            IDocument b = new Document(engine, pipeline)
                .Clone("b", new[] { new KeyValuePair<string, object>("Numbers", new[] { 2, 3, 4 }) });
            IDocument c = new Document(engine, pipeline)
                .Clone("c", new[] { new KeyValuePair<string, object>("Numbers", 3) });
            IDocument d = new Document(engine, pipeline)
                .Clone("d", new[] { new KeyValuePair<string, object>("Numbers", "4") });
            List<IDocument> documents = new List<IDocument>() { a, b, c, d };

            // When
            ILookup<string, IDocument> lookup = documents.ToLookup<string>("Numbers");

            // Then
            Assert.AreEqual(4, lookup.Count);
            CollectionAssert.AreEquivalent(new[] { a }, lookup["1"]);
            CollectionAssert.AreEquivalent(new[] { a, b }, lookup["2"]);
            CollectionAssert.AreEquivalent(new[] { a, b, c }, lookup["3"]);
            CollectionAssert.AreEquivalent(new[] { b, d }, lookup["4"]);
        }

        public void SimpleTemplate()
        {
            // Given
            string inputFolder = Path.Combine(Environment.CurrentDirectory, @".\Input");
            if (!Directory.Exists(inputFolder))
            {
                Directory.CreateDirectory(inputFolder);
            }
            IExecutionContext context = Substitute.For<IExecutionContext>();
            context.RootFolder.Returns(Environment.CurrentDirectory);
            context.InputFolder.Returns(inputFolder);
            Engine engine = new Engine();
            engine.Configure();
            context.Assemblies.Returns(engine.Assemblies);
            IDocument document = Substitute.For<IDocument>();
            document.GetStream().Returns(new MemoryStream(Encoding.UTF8.GetBytes(@"@for(int c = 0 ; c < 5 ; c++) { <p>@c</p> }")));
            Razor razor = new Razor();

            // When
            razor.Execute(new[] { document }, context).ToList();  // Make sure to materialize the result list

            // Then
            document.Received(1).Clone(Arg.Any<string>());
            document.Received().Clone(" <p>0</p>  <p>1</p>  <p>2</p>  <p>3</p>  <p>4</p> ");
        }

        public void CompletedContentIsPopulatedAfterRun()
        {
            // Given
            Engine engine = new Engine();
            int c = 0;
            engine.Pipelines.Add(
                new Execute((x, ctx) => new[]
                {
                    x.Clone((c++).ToString()),
                    x.Clone((c++).ToString())
                }),
                new Execute((x, ctx) => new[]
                {
                    x.Clone((c++).ToString())
                }),
                new Meta("Content", (x, y) => x.Content));

            // When
            engine.Execute();

            // Then
            Assert.AreEqual(2, engine.Documents.FromPipeline("Pipeline 1").Count());
            Assert.AreEqual("2", engine.Documents.FromPipeline("Pipeline 1").First().String("Content"));
            Assert.AreEqual("3", engine.Documents.FromPipeline("Pipeline 1").Skip(1).First().String("Content"));
        }

        public void Tracing()
        {
            // Given
            string inputFolder = Path.Combine(Environment.CurrentDirectory, @".\Input");
            if (!Directory.Exists(inputFolder))
            {
                Directory.CreateDirectory(inputFolder);
            }
            ITrace trace = Substitute.For<ITrace>();
            IExecutionContext context = Substitute.For<IExecutionContext>();
            context.RootFolder.Returns(Environment.CurrentDirectory);
            context.InputFolder.Returns(inputFolder);
            context.Trace.Returns(trace);
            Engine engine = new Engine();
            engine.Configure();
            context.Assemblies.Returns(engine.Assemblies);
            IDocument document = Substitute.For<IDocument>();
            document.GetStream().Returns(new MemoryStream(Encoding.UTF8.GetBytes(@"@{ ExecutionContext.Trace.Information(""Test""); }")));
            Razor razor = new Razor();

            // When
            razor.Execute(new[] { document }, context).ToList();  // Make sure to materialize the result list

            // Then
            ITrace receivedTrace = context.Received().Trace; // Need to assign to dummy var to keep compiler happy
            trace.Received().Information("Test");
        }

        public void CanCloneWithNewValues()
        {
            // Given
            Engine engine = new Engine();
            Metadata metadata = new Metadata(engine);

            // When
            metadata = metadata.Clone(new [] { new KeyValuePair<string, object>("A", "a") });

            // Then
            Assert.AreEqual("a", metadata["A"]);
        }

        public void ClonedMetadataDoesNotContainNewValues()
        {
            // Given
            Engine engine = new Engine();
            engine.Metadata["A"] = "a";
            Metadata metadata = new Metadata(engine);

            // When
            Metadata clone = metadata.Clone(new Dictionary<string, object> { { "B", "b" } });

            // Then
            Assert.IsFalse(metadata.ContainsKey("B"));
        }

        public void CloneContainsPreviousValues()
        {
            // Given
            Engine engine = new Engine();
            engine.Metadata["A"] = "a";
            Metadata metadata = new Metadata(engine);

            // When
            Metadata clone = metadata.Clone(new Dictionary<string, object> { { "B", "b" } });

            // Then
            Assert.AreEqual("a", clone["A"]);
        }

 public void ExecuteAllExamples(string example)
 {
     Engine engine = new Engine();
     engine.Trace.AddListener(new TestTraceListener());
     engine.RootFolder = example;
     engine.Config.Assemblies.LoadDirectory(TestContext.CurrentContext.TestDirectory);
     string config = Path.Combine(example, "config.wyam");
     if (File.Exists(config))
     {
         engine.Configure(File.ReadAllText(config));
     }
     engine.Execute();
 }

        public void CloneContainsNewValues()
        {
            // Given
            Engine engine = new Engine();
            engine.Trace.AddListener(new TestTraceListener());
            engine.Metadata["A"] = "a";
            Metadata metadata = new Metadata(engine);

            // When
            Metadata clone = metadata.Clone(new Dictionary<string, object> { { "B", "b" } });

            // Then
            Assert.AreEqual("b", clone["B"]);
        }