public void Test1()
{
//Arrange
var mock = new Mock <IFileSystemService>();
mock.Setup(service => service.GetFiles(It.IsAny <string>())).Returns(new string[0]);
mock.Setup(service => service.GetDirectories(It.IsAny <string>())).Returns(new string[0]);
var visitor = new FileSystemVisitior(mock.Object);
//Act
var list = visitor.GetDirectories("startDir", "filter");
//Assert
Assert.AreEqual(0, list.Count);
}
public void Test3()
{
//Arrange
var mock = new Mock <IFileSystemService>();
mock.Setup(service => service.GetFiles("boot")).Returns(new string[] { "boot.ini", "test.exe", });
_ = mock.Setup(service => service.GetDirectories("C:/src/")).Returns(new string[] { "test1", "test2", "test3" });
_ = mock.Setup(service => service.GetDirectories("test1")).Returns(new string[] { "boot", "src" });
var visitor = new FileSystemVisitior(mock.Object);
//Act
var list = visitor.GetDirectories("C:/src/", "test");
//Assert
Assert.AreEqual(4, list.Count);
}