static void Main(string[] args)
{
// The client code picks a concrete strategy and passes it to the
// context. The client should be aware of the differences between
// strategies in order to make the right choice.
CompressionContext ctx = new CompressionContext(new ZipCompressionStrategy());
ctx.CreateArchive("DotNetDesignPattern");
ctx.SetStrategy(new RarCompressionStrategy());
ctx.CreateArchive("DotNetDesignPattern");
Console.Read();
#region Method - II
CompressionContext ctxTwo = null;
//ctxTwo = new CompressionContext(); //Create the default constructor in the CompressionContext class
if ("ZipCompression".Equals("ZipCompression", StringComparison.InvariantCultureIgnoreCase))
{
ctx.SetStrategy(new ZipCompressionStrategy());
}
else if ("RarCompression".Equals("RarCompression", StringComparison.InvariantCultureIgnoreCase))
{
ctx.SetStrategy(new RarCompressionStrategy());
}
#endregion
}
public void Test_Compression()
{
File file = new File {
Comporession = CompressionType.None, FileName = "testingCompressionFile"
};
ZIPCompression zipCompression = new ZIPCompression();
CompressionContext context = new CompressionContext(zipCompression);
context.CreateArchive(file);
Assert.That(file.Comporession, Is.EqualTo(CompressionType.Zip));
RARCompression rarCompression = new RARCompression();
context.SetStrategy(rarCompression);
context.CreateArchive(file);
Assert.That(file.Comporession, Is.EqualTo(CompressionType.Rar));
}
public void ArchiveByCompressing()
{
var compressionStrategy = new Mock <ICompressionStrategy>();
compressionStrategy.Setup(c => c.Compress()).Returns("Compression Done Successfully");
ICompressionContext compressionContext = new CompressionContext(compressionStrategy.Object);
compressionContext.CreateArchive();
compressionStrategy.Verify(c => c.Compress());
}