public void ShouldSkipRenderingIfPhysicalFileAlreadyExistsAndForceIsOff()
{
// Arrange
var solutionManager = new MockSolutionManagerBuilder(new MockProject { RootPath = "z:\\proj" }).Build();
var mockFileSystem = new Mock<IFileSystem>().WithExampleTemplate("requestedTemplate", "fixedStringTemplate")
.WithFile("z:\\proj\\someFolder\\someFile.ext");
// Act
var results = new InvokeScaffoldTemplateCmdlet(solutionManager, mockFileSystem.Object) {
Template = "requestedTemplate",
OutputPath = "someFolder\\someFile.ext"
}.GetResults<string>();
// Assert
Assert.AreEqual(0, results.Count()); // Did not write any files
}
public void ShouldBeAbleToGetOutputAsStringIfNoOutputPathIsSpecified()
{
// Arrange
var solutionManager = new MockSolutionManagerBuilder(new MockProject()).Build();
var mockFileSystem = new Mock<IFileSystem>().WithExampleTemplate("requestedTemplate", "simpleTemplate");
// Act
var results = new InvokeScaffoldTemplateCmdlet(solutionManager, mockFileSystem.Object) {
Model = new Hashtable {
{ "Name", "Bert" },
{ "Values", new [] { 1, 2, 3, 4 }}
},
Template = "requestedTemplate"
}.GetResults<string>();
// Assert
Assert.AreEqual("The name is Bert. There are 4 values.", results.Single());
}
public void ShouldBeAbleToLocateProjectRelativeTemplates()
{
// Arrange
var solutionManager = new MockSolutionManagerBuilder(new MockProject(
new MockFolder("myTemplates", new MockItem("someTemplate.ext.t4"))
) { RootPath = "z:\\proj" }).Build();
var mockFileSystem = new Mock<IFileSystem>().WithTextFile("z:\\proj\\myTemplates\\someTemplate.ext.t4", "My project-relative template contents");
// Act
var results = new InvokeScaffoldTemplateCmdlet(solutionManager, mockFileSystem.Object) {
OutputPath = "someFolder\\someFile.ext",
Template = "myTemplates\\someTemplate.ext.t4"
}.GetResults<string>();
// Assert
Assert.AreEqual("someFolder\\someFile.ext", results.Single());
mockFileSystem.Verify(x => x.WriteAllText("z:\\proj\\someFolder\\someFile.ext", "My project-relative template contents"));
Assert.IsNotNull(solutionManager.DefaultProject.GetProjectItem("someFolder\\someFile.ext"));
}
public void ShouldPerformRenderingIfPhysicalFileExistsAndIsReferencedByProjectAndForceIsOn()
{
// Arrange
var solutionManager = new MockSolutionManagerBuilder(new MockProject(
new MockFolder("someFolder", new MockItem("someFile.ext"))
) { RootPath = "z:\\proj" }).Build();
var mockFileSystem = new Mock<IFileSystem>().WithExampleTemplate("requestedTemplate", "fixedStringTemplate")
.WithFile("z:\\proj\\someFolder\\someFile.ext");
// Act
var results = new InvokeScaffoldTemplateCmdlet(solutionManager, mockFileSystem.Object) {
OutputPath = "someFolder\\someFile.ext",
Template = "requestedTemplate",
Force = new SwitchParameter(true)
}.GetResults<string>();
// Assert
Assert.AreEqual("someFolder\\someFile.ext", results.Single());
mockFileSystem.Verify(x => x.WriteAllText("z:\\proj\\someFolder\\someFile.ext", "Fixed string output from template"));
}
public void ShouldBeAbleToSpecifyArbitraryProjectName()
{
// Arrange
var solutionManager = new MockSolutionManagerBuilder(
new MockProject("firstProject"),
new MockProject("secondProject") { RootPath = "second:\\root" }
).Build();
var mockFileSystem = new Mock<IFileSystem>().WithExampleTemplate("requestedTemplate", "fixedStringTemplate");
// Act
var results = new InvokeScaffoldTemplateCmdlet(solutionManager, mockFileSystem.Object) {
OutputPath = "someFolder\\someFile.ext",
Template = "requestedTemplate",
Project = "secondProject"
}.GetResults<string>();
// Assert
Assert.AreEqual("someFolder\\someFile.ext", results.Single());
mockFileSystem.Verify(x => x.WriteAllText("second:\\root\\someFolder\\someFile.ext", "Fixed string output from template"));
Assert.IsNotNull(solutionManager.GetProject("secondProject").GetProjectItem("someFolder\\someFile.ext"));
}
private static string RunTemplateRenderingTest(string exampleTemplateName, Hashtable model, IEnumerable<Assembly> projectAssemblyReferences = null, string expectedOutputExtension = null)
{
// Arrange: Project containing a single folder
var solutionManager = new MockSolutionManagerBuilder(new MockProject(new MockFolder("someFolder")) {
RootPath = "z:\\proj",
References = projectAssemblyReferences != null ? projectAssemblyReferences.Select(x => x.Location) : new string[] { }
}).Build();
// Arrange: Filesystem that has template and captures attempt to write rendered output to disk
var requestedOutputPath = "someFolder\\nonExistentFolder\\file.ext";
var expectedOutputPathWithExtension = requestedOutputPath;
if (!string.IsNullOrEmpty(expectedOutputExtension))
expectedOutputPathWithExtension += "." + expectedOutputExtension;
var mockFileSystem = new Mock<IFileSystem>().WithExampleTemplate("requestedTemplate", exampleTemplateName);
string templateOutput = null;
mockFileSystem.Setup(x => x.WriteAllText("z:\\proj\\" + expectedOutputPathWithExtension, It.IsAny<string>()))
.Callback<string, string>((filename, writtenText) => { templateOutput = writtenText; });
// Act: Invoke the template
try
{
var results = new InvokeScaffoldTemplateCmdlet(solutionManager, mockFileSystem.Object) {
OutputPath = requestedOutputPath,
Template = "requestedTemplate",
Model = model
}.GetResults<string>();
// Assert
Assert.AreEqual(expectedOutputPathWithExtension, results.Single());
Assert.IsNotNull(solutionManager.DefaultProject.GetProjectItem(expectedOutputPathWithExtension));
return templateOutput;
}
catch (InvalidOperationException ex) {
// If it was a template rendering error, throw a more descriptive exception
var templateErrors = ex.Data["CmdletOutput"] as IList<object>;
if ((templateErrors != null) && (templateErrors.Any()) && (templateErrors.First() is IEnumerable<CompilerError>))
throw new InvalidOperationException("Template rendering error: " + string.Join(Environment.NewLine, ((IEnumerable<CompilerError>)templateErrors.First()).Select(x => x.ToString())));
throw;
}
}
