public virtual void TestCreateHardLink()
{
//hardlink a single file and confirm expected result
HardLink.CreateHardLink(x1, x1_one);
Assert.True(x1_one.Exists());
Assert.Equal(2, HardLink.GetLinkCount(x1));
//x1 and x1_one are linked now
Assert.Equal(2, HardLink.GetLinkCount(x1_one));
//so they both have count "2"
//confirm that x2, which we didn't change, still shows count "1"
Assert.Equal(1, HardLink.GetLinkCount(x2));
//now do a few more
HardLink.CreateHardLink(x2, y_one);
HardLink.CreateHardLink(x3, x3_one);
Assert.Equal(2, HardLink.GetLinkCount(x2));
Assert.Equal(2, HardLink.GetLinkCount(x3));
//create another link to a file that already has count 2
HardLink.CreateHardLink(x1, x11_one);
Assert.Equal(3, HardLink.GetLinkCount(x1));
//x1, x1_one, and x11_one
Assert.Equal(3, HardLink.GetLinkCount(x1_one));
//are all linked, so they
Assert.Equal(3, HardLink.GetLinkCount(x11_one));
//should all have count "3"
//validate by contents
ValidateTgtOne();
//validate that change of content is reflected in the other linked files
AppendToFile(x1_one, str3);
Assert.True(FetchFileContents(x1_one).Equals(str1 + str3));
Assert.True(FetchFileContents(x11_one).Equals(str1 + str3));
Assert.True(FetchFileContents(x1).Equals(str1 + str3));
}
public virtual void TestCreateHardLinkMultEmptyList()
{
string[] emptyList = new string[] { };
//test the case of empty file list
HardLink.CreateHardLinkMult(src, emptyList, tgt_mult);
//check nothing changed in the directory tree
ValidateSetup();
}
public virtual void TestGetLinkCount()
{
//at beginning of world, check that source files have link count "1"
//since they haven't been hardlinked yet
Assert.Equal(1, HardLink.GetLinkCount(x1));
Assert.Equal(1, HardLink.GetLinkCount(x2));
Assert.Equal(1, HardLink.GetLinkCount(x3));
}
public virtual void TestCreateHardLinkMult()
{
//hardlink a whole list of three files at once
string[] fileNames = src.List();
HardLink.CreateHardLinkMult(src, fileNames, tgt_mult);
//validate by link count - each file has been linked once,
//so each count is "2"
Assert.Equal(2, HardLink.GetLinkCount(x1));
Assert.Equal(2, HardLink.GetLinkCount(x2));
Assert.Equal(2, HardLink.GetLinkCount(x3));
Assert.Equal(2, HardLink.GetLinkCount(x1_mult));
Assert.Equal(2, HardLink.GetLinkCount(x2_mult));
Assert.Equal(2, HardLink.GetLinkCount(x3_mult));
//validate by contents
ValidateTgtMult();
//validate that change of content is reflected in the other linked files
AppendToFile(x1_mult, str3);
Assert.True(FetchFileContents(x1_mult).Equals(str1 + str3));
Assert.True(FetchFileContents(x1).Equals(str1 + str3));
}
