public void GetChangedFiles_detects_deletions_of_files()
{
//ARRANGE
var state1 = new Directory(s_Dir1)
{
d => new EmptyFile(d, s_File1) { LastWriteTime = DateTime.Now.AddDays(-2) }
};
var state2 = new Directory(s_Dir1);
var snapshot1 = m_Instance.CreateSnapshot(state1);
var snapshot2 = m_Instance.CreateSnapshot(state2);
//ACT
var changedFiles = m_Instance.GetChangedFiles(snapshot1.Id, snapshot2.Id);
//ASSERT
Assert.Single(changedFiles);
Assert.Equal(state1.GetFile(s_File1).Path, changedFiles.Single());
}
public void GetChanges_Multiple_changes_to_the_same_file()
{
//ARRANGE
var lastWriteTime = DateTime.Now;
var state1 = new Directory(s_Dir1)
{
dir1 => new EmptyFile(dir1, "file1") { LastWriteTime = lastWriteTime.AddHours(1)}
};
var state2 = new Directory(s_Dir1)
{
dir1 => new EmptyFile(dir1, "file1") { LastWriteTime = lastWriteTime.AddHours(2)}
};
var snapshot1 = m_Instance.CreateSnapshot(state1);
var snapshot2 = m_Instance.CreateSnapshot(state2);
//ACT
var diff = m_Instance.GetChanges(snapshot2.Id);
//ASSERT
Assert.NotNull(diff);
Assert.Null(diff.FromSnapshot);
Assert.NotNull(diff.ToSnapshot);
Assert.Single(diff.ChangeLists);
var changes = diff.ChangeLists.Single().Changes.ToArray();
// both changes should be contained in a single ChangeList
Assert.Equal(2, changes.Length);
// addition
Assert.Equal(ChangeType.Added, changes[0].Type);
Assert.Null(changes[0].FromVersion);
FileSystemAssert.FileReferenceMatches(state1.GetFile("file1"), changes[0].ToVersion);
// modification
Assert.Equal(ChangeType.Modified, changes[1].Type);
FileSystemAssert.FileReferenceMatches(state1.GetFile("file1"), changes[1].FromVersion);
FileSystemAssert.FileReferenceMatches(state2.GetFile("file1"), changes[1].ToVersion);
}
public void GetChanges_A_file_gets_added_modified_and_deleted_between_snapshots()
{
//ARRANGE
var lastWriteTime = DateTime.Now;
var state0 = new Directory(s_Dir1);
var state1 = new Directory(s_Dir1)
{
dir1 => new EmptyFile(dir1, "file1") { LastWriteTime = lastWriteTime.AddHours(1)}
};
var state2 = new Directory(s_Dir1)
{
dir1 => new EmptyFile(dir1, "file1") { LastWriteTime = lastWriteTime.AddHours(2)}
};
var state3 = new Directory(s_Dir1); // file1 deleted
var snapshot0 = m_Instance.CreateSnapshot(state0);
var snapshot1 = m_Instance.CreateSnapshot(state1);
var snapshot2 = m_Instance.CreateSnapshot(state2);
var snapshot3 = m_Instance.CreateSnapshot(state3);
//ACT
var diff = m_Instance.GetChanges(snapshot0.Id, snapshot3.Id);
//ASSERT
Assert.NotNull(diff);
Assert.Equal(snapshot0, diff.FromSnapshot);
Assert.Equal(snapshot3, diff.ToSnapshot);
Assert.Single(diff.ChangeLists);
var changes = diff.ChangeLists.Single().Changes.ToArray();
// both changes should be contained in a single ChangeList
Assert.Equal(3, changes.Length);
// addition
Assert.Equal(ChangeType.Added, changes[0].Type);
Assert.Null(changes[0].FromVersion);
FileSystemAssert.FileReferenceMatches(state1.GetFile("file1"), changes[0].ToVersion);
// modification
Assert.Equal(ChangeType.Modified, changes[1].Type);
FileSystemAssert.FileReferenceMatches(state1.GetFile("file1"), changes[1].FromVersion);
FileSystemAssert.FileReferenceMatches(state2.GetFile("file1"), changes[1].ToVersion);
// deletion
Assert.Equal(ChangeType.Deleted, changes[2].Type);
FileSystemAssert.FileReferenceMatches(state2.GetFile("file1"), changes[2].FromVersion);
Assert.Null(changes[2].ToVersion);
}
public void GetChanges_detects_deletions_of_files()
{
//ARRANGE
var state1 = new Directory(s_Dir1)
{
d => new EmptyFile(d, s_File1) { LastWriteTime = DateTime.Now.AddDays(-2) }
};
var state2 = new Directory(s_Dir1);
var snapshot1 = m_Instance.CreateSnapshot(state1);
var snapshot2 = m_Instance.CreateSnapshot(state2);
Assert.NotEqual(snapshot1.Id, snapshot2.Id);
//ACT
var diff = m_Instance.GetChanges(snapshot1.Id, snapshot2.Id);
//ASSERT
Assert.Equal(diff.FromSnapshot, snapshot1);
Assert.Equal(diff.ToSnapshot, snapshot2);
Assert.Single(diff.ChangeLists);
var changes = diff.ChangeLists.Single().Changes.ToList();
Assert.Single(changes);
Assert.Equal(ChangeType.Deleted, changes.Single().Type);
Assert.Null(changes.Single().ToVersion);
FileSystemAssert.FileReferenceMatches(state1.GetFile(s_File1), changes.Single().FromVersion);
}