public void HashCombiner_Test_Folder()
{
using var combiner1 = new HashGenerator();
using var combiner2 = new HashGenerator();
using var combiner3 = new HashGenerator();
DirectoryInfo dir = PrepareFolder();
var file1Path = Path.Combine(dir.FullName, "hastest1.txt");
File.Delete(file1Path);
using (StreamWriter file1 = File.CreateText(Path.Combine(dir.FullName, "hastest1.txt")))
{
file1.WriteLine("hello");
}
// first test the whole folder
combiner1.AddFolder(dir);
combiner2.AddFolder(dir);
Assert.AreEqual(combiner1.GenerateHash(), combiner2.GenerateHash());
// now add a file to the folder
var file2Path = Path.Combine(dir.FullName, "hastest2.txt");
File.Delete(file2Path);
using (StreamWriter file2 = File.CreateText(Path.Combine(dir.FullName, "hastest2.txt")))
{
// even though files are the same, the dates are different
file2.WriteLine("hello");
}
combiner3.AddFolder(dir);
Assert.AreNotEqual(combiner1.GenerateHash(), combiner3.GenerateHash());
}