public void Constructor_AllParametersAreSet_ObjectIsInstantiated()
{
// Arrange
var filesystemAccessor = new Mock<IFilesystemAccessor>();
// Act
var nugetPackageExtractor = new NugetPackageExtractor(filesystemAccessor.Object);
// Assert
Assert.IsNotNull(nugetPackageExtractor);
}
public void Extract_PackageContainsFiles_ContentOfEachFileIsWrittenToDisc()
{
// Arrange
string targetFolder = Environment.CurrentDirectory;
string file1Path = "tools\\file1.txt";
string file1Content = Guid.NewGuid().ToString();
Stream file1Stream = TestUtilities.GetStreamReaderForText(file1Content).BaseStream;
var file1 = new Mock<IPackageFile>();
file1.Setup(f => f.Path).Returns(file1Path);
file1.Setup(f => f.GetStream()).Returns(file1Stream);
var files = new List<IPackageFile> { file1.Object };
string packageId = "Package.A";
var version = new SemanticVersion(1, 0, 0, 0);
var packageDirectory = Path.Combine(targetFolder, string.Format("{0}.{1}", packageId, version));
var package = new Mock<IPackage>();
package.Setup(p => p.Id).Returns(packageId);
package.Setup(p => p.Version).Returns(version);
package.Setup(p => p.GetFiles()).Returns(files);
var filesystemAccessor = new Mock<IFilesystemAccessor>();
filesystemAccessor.Setup(f => f.DirectoryExists(packageDirectory)).Returns(true);
filesystemAccessor.Setup(f => f.DeleteDirectory(packageDirectory)).Returns(true);
var writeStream = new MemoryStream();
var streamWriter = new StreamWriter(writeStream);
filesystemAccessor.Setup(f => f.GetWriteStream(It.Is<string>(s => s.EndsWith(file1Path)))).Returns(streamWriter.BaseStream);
var nugetPackageExtractor = new NugetPackageExtractor(filesystemAccessor.Object);
// Act
var result = nugetPackageExtractor.Extract(package.Object, targetFolder);
// Assert
var bytes = writeStream.ReadAllBytes();
string newContentOfOldFile = Encoding.UTF8.GetString(bytes);
Assert.IsNotNull(result);
Assert.AreEqual(file1Content, newContentOfOldFile);
file1.Verify(f => f.GetStream(), Times.Once());
filesystemAccessor.Verify(f => f.GetWriteStream(It.Is<string>(s => s.StartsWith(packageDirectory))), Times.Once());
}
public void Extract_PackageContainsFiles_PackageFileReadStreamIsNull_ResultIsNull()
{
// Arrange
string targetFolder = Environment.CurrentDirectory;
string file1Path = "tools\\file1.txt";
Stream file1Stream = null;
var file1 = new Mock<IPackageFile>();
file1.Setup(f => f.Path).Returns(file1Path);
file1.Setup(f => f.GetStream()).Returns(file1Stream);
var files = new List<IPackageFile> { file1.Object };
string packageId = "Package.A";
var version = new SemanticVersion(1, 0, 0, 0);
var package = new Mock<IPackage>();
package.Setup(p => p.Id).Returns(packageId);
package.Setup(p => p.Version).Returns(version);
package.Setup(p => p.GetFiles()).Returns(files);
var filesystemAccessor = new Mock<IFilesystemAccessor>();
var nugetPackageExtractor = new NugetPackageExtractor(filesystemAccessor.Object);
// Act
var result = nugetPackageExtractor.Extract(package.Object, targetFolder);
// Assert
Assert.IsNull(result);
}
public void Extract_TargetFolderParameterIsNull_ArgumentExceptionIsThrown(string targetFolder)
{
// Arrange
var package = new Mock<IPackage>();
var filesystemAccessor = new Mock<IFilesystemAccessor>();
var nugetPackageExtractor = new NugetPackageExtractor(filesystemAccessor.Object);
// Act
nugetPackageExtractor.Extract(package.Object, targetFolder);
}
public void Extract_PackageParameterIsNull_ArgumentNullExceptionIsThrown()
{
// Arrange
IPackage package = null;
string targetFolder = Environment.CurrentDirectory;
var filesystemAccessor = new Mock<IFilesystemAccessor>();
var nugetPackageExtractor = new NugetPackageExtractor(filesystemAccessor.Object);
// Act
nugetPackageExtractor.Extract(package, targetFolder);
}
public void Extract_PackageFolderAlreadyExists_DeleteDirectoryIsCalled()
{
// Arrange
string targetFolder = Environment.CurrentDirectory;
var files = new List<IPackageFile>();
string packageId = "Package.A";
var version = new SemanticVersion(1, 0, 0, 0);
var packageDirectory = Path.Combine(targetFolder, string.Format("{0}.{1}", packageId, version));
var package = new Mock<IPackage>();
package.Setup(p => p.Id).Returns(packageId);
package.Setup(p => p.Version).Returns(version);
package.Setup(p => p.GetFiles()).Returns(files);
var filesystemAccessor = new Mock<IFilesystemAccessor>();
filesystemAccessor.Setup(f => f.DirectoryExists(packageDirectory)).Returns(true);
var nugetPackageExtractor = new NugetPackageExtractor(filesystemAccessor.Object);
// Act
nugetPackageExtractor.Extract(package.Object, targetFolder);
// Assert
filesystemAccessor.Verify(f => f.DeleteDirectory(packageDirectory), Times.Once());
}
public void Extract_PackageContainsNoFiles_ResultIsValidPackageInfoObject()
{
// Arrange
string targetFolder = Environment.CurrentDirectory;
var files = new List<IPackageFile>();
string packageId = "Package.A";
var version = new SemanticVersion(1, 0, 0, 0);
var packageDirectory = Path.Combine(targetFolder, string.Format("{0}.{1}", packageId, version));
var package = new Mock<IPackage>();
package.Setup(p => p.Id).Returns(packageId);
package.Setup(p => p.Version).Returns(version);
package.Setup(p => p.GetFiles()).Returns(files);
var filesystemAccessor = new Mock<IFilesystemAccessor>();
var nugetPackageExtractor = new NugetPackageExtractor(filesystemAccessor.Object);
// Act
var result = nugetPackageExtractor.Extract(package.Object, targetFolder);
// Assert
Assert.IsNotNull(result);
Assert.AreEqual(packageId, result.Id);
Assert.AreEqual(version, result.Version);
Assert.AreEqual(packageDirectory, result.Folder);
Assert.AreEqual(false, result.IsInstalled);
}
public void Extract_PackageContainsFiles_WriteStreamThrowsException_ResultIsNull()
{
// Arrange
string targetFolder = Environment.CurrentDirectory;
string file1Path = "tools\\file1.txt";
string file1Content = Guid.NewGuid().ToString();
Stream file1Stream = TestUtilities.GetStreamReaderForText(file1Content).BaseStream;
var file1 = new Mock<IPackageFile>();
file1.Setup(f => f.Path).Returns(file1Path);
file1.Setup(f => f.GetStream()).Returns(file1Stream);
var files = new List<IPackageFile> { file1.Object };
string packageId = "Package.A";
var version = new SemanticVersion(1, 0, 0, 0);
var package = new Mock<IPackage>();
package.Setup(p => p.Id).Returns(packageId);
package.Setup(p => p.Version).Returns(version);
package.Setup(p => p.GetFiles()).Returns(files);
var filesystemAccessor = new Mock<IFilesystemAccessor>();
filesystemAccessor.Setup(f => f.GetWriteStream(It.Is<string>(s => s.EndsWith(file1Path)))).Throws(new Exception());
var nugetPackageExtractor = new NugetPackageExtractor(filesystemAccessor.Object);
// Act
var result = nugetPackageExtractor.Extract(package.Object, targetFolder);
// Assert
Assert.IsNull(result);
}
