public void MoveNodeTest()
{
SrmDocument document = new SrmDocument(SrmSettingsList.GetDefault());
IdentityPath path = IdentityPath.ROOT;
SrmDocument docFasta = document.ImportFasta(new StringReader(ExampleText.TEXT_FASTA_YEAST), false, path, out path);
// 1. From peptide group to root
SrmDocument docMoved = docFasta.MoveNode(docFasta.GetPathTo(0), IdentityPath.ROOT, out path);
Assert.AreEqual(1, docMoved.FindNodeIndex(path));
Assert.AreSame(docFasta.Children[0], docMoved.Children[1]);
Assert.AreSame(docFasta.Children[1], docMoved.Children[0]);
// 2. From peptide group to before other peptide group
docMoved = docFasta.MoveNode(docFasta.GetPathTo(1), docFasta.GetPathTo(0), out path);
Assert.AreEqual(0, docMoved.FindNodeIndex(path));
Assert.AreSame(docFasta.Children[0], docMoved.Children[1]);
Assert.AreSame(docFasta.Children[1], docMoved.Children[0]);
// Some peptide lists
IdentityPath pathPeptides;
SrmDocument docPeptides = docFasta.ImportFasta(new StringReader(TEXT_BOVINE_PEPTIDES2), true,
docFasta.GetPathTo(1), out pathPeptides);
docPeptides = docPeptides.ImportFasta(new StringReader(TEXT_BOVINE_PEPTIDES1), true,
IdentityPath.ROOT, out path);
docPeptides = docPeptides.MoveNode(path, pathPeptides, out pathPeptides);
Assert.AreEqual(1, docPeptides.FindNodeIndex(pathPeptides));
// 3. Peptide from one group to another
IdentityPath fromParent = docPeptides.GetPathTo(2);
IdentityPath from = new IdentityPath(fromParent, ((DocNodeParent)docPeptides.FindNode(fromParent)).Children[0].Id);
SrmDocument docPeptides2 = docPeptides.MoveNode(from, pathPeptides, out path);
Assert.AreEqual(pathPeptides, path.Parent);
Assert.AreEqual(((DocNodeParent)docPeptides.Children[1]).Children.Count,
((DocNodeParent)docPeptides2.Children[1]).Children.Count - 1);
Assert.AreEqual(((DocNodeParent)docPeptides.Children[2]).Children.Count,
((DocNodeParent)docPeptides2.Children[2]).Children.Count + 1);
// Though moved to a different group, this should not have changed the overall
// peptide order, since it was moved from the beginning of one group to the end
// of the group before it.
Assert.AreEqual(docPeptides.FindNodeIndex(from), docPeptides2.FindNodeIndex(path));
// 4. To before another peptide
from = new IdentityPath(fromParent, ((DocNodeParent)docPeptides2.FindNode(fromParent)).Children[0].Id);
IdentityPath path2;
SrmDocument docPeptides3 = docPeptides2.MoveNode(from, path, out path2);
Assert.AreEqual(pathPeptides, path.Parent);
Assert.AreEqual(((DocNodeParent)docPeptides2.Children[1]).Children.Count,
((DocNodeParent)docPeptides3.Children[1]).Children.Count - 1);
Assert.AreEqual(((DocNodeParent)docPeptides2.Children[2]).Children.Count,
((DocNodeParent)docPeptides3.Children[2]).Children.Count + 1);
// Relative to all peptides, index should be 1 less than before
Assert.AreEqual(docPeptides2.FindNodeIndex(from), docPeptides3.FindNodeIndex(path2) + 1);
// 5. To within another peptide
IdentityPath to = new IdentityPath(path, ((DocNodeParent)docPeptides3.FindNode(path)).Children[0].Id);
SrmDocument docPeptides4 = docPeptides3.MoveNode(path2, to, out path);
// Should not have changed to count in the group
Assert.AreEqual(((DocNodeParent)docPeptides3.Children[1]).Children.Count,
((DocNodeParent)docPeptides4.Children[1]).Children.Count);
// Relative to all peptides, should have been returned to original order
Assert.AreEqual(docPeptides2.FindNodeIndex(from), docPeptides4.FindNodeIndex(path));
// Make sure expected exceptions are thrown
Assert.IsNull(docPeptides4.FindNode(from));
AssertEx.ThrowsException <IdentityNotFoundException>(() =>
docPeptides4.MoveNode(from, to, out path));
AssertEx.ThrowsException <InvalidOperationException>(() =>
docPeptides2.MoveNode(from, docPeptides2.GetPathTo(0), out path));
AssertEx.ThrowsException <InvalidOperationException>(() =>
docPeptides3.MoveNode(docPeptides2.GetPathTo((int)SrmDocument.Level.Molecules, 0), to, out path));
AssertEx.ThrowsException <InvalidOperationException>(() =>
docPeptides3.MoveNode(docPeptides2.GetPathTo((int)SrmDocument.Level.Transitions, 0), to, out path));
}
