public void Constructor_AllParametersAreSet_ObjectIsInstantiated()
{
// Arrange
IFilesystemAccessor filesystemAccessor = new Mock<IFilesystemAccessor>().Object;
// Act
var result = new ConfigurationFileTransformer(filesystemAccessor);
// Assert
Assert.IsNotNull(result);
}
public void Transform_DestinationFilePathParameterIsInvalid_ResultIsFalse(string destinationFilePath)
{
// Arrange
var filesystemAccessorMock = new Mock<IFilesystemAccessor>();
var configurationFileTransformer = new ConfigurationFileTransformer(filesystemAccessorMock.Object);
var sourceFilePath = "source.config";
var transformationFilePath = "transform.config";
// Act
var result = configurationFileTransformer.Transform(sourceFilePath, transformationFilePath, destinationFilePath);
// Assert
Assert.AreEqual(ServiceResultType.Failure, result.Status);
}
public void Transform_SourceFileDoesNotExist_ResultIsFalse()
{
// Arrange
var sourceFilePath = "source.config";
var transformationFilePath = "transform.config";
var destinationFilePath = "destination.config";
var filesystemAccessorMock = new Mock<IFilesystemAccessor>();
filesystemAccessorMock.Setup(f => f.FileExists(sourceFilePath)).Returns(false);
var configurationFileTransformer = new ConfigurationFileTransformer(filesystemAccessorMock.Object);
// Act
var result = configurationFileTransformer.Transform(sourceFilePath, transformationFilePath, destinationFilePath);
// Assert
Assert.AreEqual(ServiceResultType.Failure, result.Status);
}
public void Setup()
{
this.filesystemAccessor = new PhysicalFilesystemAccessor(new DefaultFileEncodingProvider());
IConfigurationFileTransformer configurationFileTransformer = new ConfigurationFileTransformer(this.filesystemAccessor);
this.configurationFileTransformationService = new ConfigurationFileTransformationService(this.filesystemAccessor, configurationFileTransformer);
}
public void Transform_SourceFileIsInvalid_ResultIsFalse(string sourceFileContent)
{
// Arrange
string sourceFilePath = "source.config";
var transformationFilePath = "transform.config";
var destinationFilePath = "destination.config";
var filesystemAccessorMock = new Mock<IFilesystemAccessor>();
filesystemAccessorMock.Setup(f => f.FileExists(sourceFilePath)).Returns(true);
filesystemAccessorMock.Setup(f => f.FileExists(transformationFilePath)).Returns(true);
filesystemAccessorMock.Setup(f => f.GetTextReader(sourceFilePath)).Returns(() => TestUtilities.GetStreamReaderForText(sourceFileContent));
var configurationFileTransformer = new ConfigurationFileTransformer(filesystemAccessorMock.Object);
// Act
var result = configurationFileTransformer.Transform(sourceFilePath, transformationFilePath, destinationFilePath);
// Assert
Assert.AreEqual(ServiceResultType.Failure, result.Status);
}
public void Transform_SourceFileThrowsIOExceptionOnFirstAccess_ResultIsFalse()
{
// Arrange
string sourceFilePath = "source.config";
var transformationFilePath = "transform.config";
var destinationFilePath = "destination.config";
var filesystemAccessorMock = new Mock<IFilesystemAccessor>();
filesystemAccessorMock.Setup(f => f.FileExists(sourceFilePath)).Returns(true);
filesystemAccessorMock.Setup(f => f.FileExists(transformationFilePath)).Returns(true);
filesystemAccessorMock.Setup(f => f.GetTextReader(sourceFilePath)).Throws(new IOException());
var configurationFileTransformer = new ConfigurationFileTransformer(filesystemAccessorMock.Object);
// Act
var result = configurationFileTransformer.Transform(sourceFilePath, transformationFilePath, destinationFilePath);
// Assert
Assert.AreEqual(ServiceResultType.Failure, result.Status);
}
public void Transform_SourceFileIsValid_TransformationFileThrowsIOExceptionOnFirstAccess_ResultIsFalse()
{
// Arrange
string sourceFilePath = "source.config";
var transformationFilePath = "transform.config";
var destinationFilePath = "destination.config";
string sourceFileContent = "<configuration><appSettings><add key=\"Key1\" value=\"Not-Transformed\"/></appSettings></configuration>";
var filesystemAccessorMock = new Mock<IFilesystemAccessor>();
filesystemAccessorMock.Setup(f => f.FileExists(sourceFilePath)).Returns(true);
filesystemAccessorMock.Setup(f => f.FileExists(transformationFilePath)).Returns(true);
filesystemAccessorMock.Setup(f => f.GetTextReader(sourceFilePath)).Returns(() => TestUtilities.GetStreamReaderForText(sourceFileContent));
filesystemAccessorMock.Setup(f => f.GetFileContent(transformationFilePath)).Throws(new IOException());
var configurationFileTransformer = new ConfigurationFileTransformer(filesystemAccessorMock.Object);
// Act
var result = configurationFileTransformer.Transform(sourceFilePath, transformationFilePath, destinationFilePath);
// Assert
Assert.AreEqual(ServiceResultType.Failure, result.Status);
}
public void Transform_SourceFileIsValid_TransformationFileIsValid_DestinationPathIsCreated()
{
// Arrange
bool ensurePathExistsIsCalled = false;
string sourceFilePath = "source.config";
var transformationFilePath = "transform.config";
var destinationFilePath = Path.Combine("some", "very", "nested", "folder", "structure", "destination.config");
string sourceFileContent = "<configuration><appSettings><add key=\"Key1\" value=\"Not-Transformed\"/></appSettings></configuration>";
string transformationFileContent = "<configuration xmlns:xdt=\"http://schemas.microsoft.com/XML-Document-Transform\"><appSettings xdt:Transform=\"Replace\"><add key=\"Key1\" value=\"transformed\"/></appSettings></configuration>";
var filesystemAccessorMock = new Mock<IFilesystemAccessor>();
filesystemAccessorMock.Setup(f => f.FileExists(sourceFilePath)).Returns(true);
filesystemAccessorMock.Setup(f => f.FileExists(transformationFilePath)).Returns(true);
filesystemAccessorMock.Setup(f => f.GetTextReader(sourceFilePath)).Returns(() => TestUtilities.GetStreamReaderForText(sourceFileContent));
filesystemAccessorMock.Setup(f => f.GetFileContent(transformationFilePath)).Returns(transformationFileContent);
filesystemAccessorMock.Setup(f => f.EnsureParentDirectoryExists(destinationFilePath)).Returns(
() =>
{
ensurePathExistsIsCalled = true;
return true;
});
var destinationFileContent = new StringBuilder();
var stringWriter = new StringWriter(destinationFileContent);
filesystemAccessorMock.Setup(f => f.GetTextWriter(destinationFilePath)).Returns(stringWriter);
var configurationFileTransformer = new ConfigurationFileTransformer(filesystemAccessorMock.Object);
// Act
configurationFileTransformer.Transform(sourceFilePath, transformationFilePath, destinationFilePath);
// Assert
Assert.IsTrue(ensurePathExistsIsCalled);
}
public void Transform_SourceFileIsValid_TransformationFileIsValid_DestinationDocumentIsWrittenUsingTextWriter_TextWriterContainsTransformedXml()
{
// Arrange
string sourceFilePath = "source.config";
var transformationFilePath = "transform.config";
var destinationFilePath = "destination.config";
string sourceFileContent = "<configuration><appSettings><add key=\"Key1\" value=\"Not-Transformed\"/></appSettings></configuration>";
string uniqueString = Guid.NewGuid().ToString();
string transformationFileContent =
"<configuration xmlns:xdt=\"http://schemas.microsoft.com/XML-Document-Transform\"><appSettings xdt:Transform=\"Replace\"><add key=\"Key1\" value=\""
+ uniqueString + "\"/></appSettings></configuration>";
var filesystemAccessorMock = new Mock<IFilesystemAccessor>();
filesystemAccessorMock.Setup(f => f.FileExists(sourceFilePath)).Returns(true);
filesystemAccessorMock.Setup(f => f.FileExists(transformationFilePath)).Returns(true);
filesystemAccessorMock.Setup(f => f.GetTextReader(sourceFilePath)).Returns(() => TestUtilities.GetStreamReaderForText(sourceFileContent));
filesystemAccessorMock.Setup(f => f.GetFileContent(transformationFilePath)).Returns(transformationFileContent);
var destinationFileContent = new StringBuilder();
var stringWriter = new StringWriter(destinationFileContent);
filesystemAccessorMock.Setup(f => f.GetTextWriter(destinationFilePath)).Returns(stringWriter);
var configurationFileTransformer = new ConfigurationFileTransformer(filesystemAccessorMock.Object);
// Act
var result = configurationFileTransformer.Transform(sourceFilePath, transformationFilePath, destinationFilePath);
// Assert
Assert.AreEqual(ServiceResultType.Success, result.Status);
Assert.IsNotNull(destinationFileContent.ToString());
Assert.IsTrue(destinationFileContent.ToString().Contains(uniqueString));
}
