public virtual void TestBreakModify_RejoinIfUnpaired()
{
ObjectId aId = Blob("foo");
ObjectId bId = Blob("bar");
DiffEntry m = DiffEntry.Modify(PATH_A);
m.oldId = AbbreviatedObjectId.FromObjectId(aId);
m.newId = AbbreviatedObjectId.FromObjectId(bId);
rd.Add(m);
rd.SetBreakScore(101);
// Ensure m is broken apart
IList <DiffEntry> entries = rd.Compute();
NUnit.Framework.Assert.AreEqual(1, entries.Count);
DiffEntry modify = entries[0];
NUnit.Framework.Assert.AreEqual(m.oldPath, modify.oldPath);
NUnit.Framework.Assert.AreEqual(m.oldId, modify.oldId);
NUnit.Framework.Assert.AreEqual(m.oldMode, modify.oldMode);
NUnit.Framework.Assert.AreEqual(m.newPath, modify.newPath);
NUnit.Framework.Assert.AreEqual(m.newId, modify.newId);
NUnit.Framework.Assert.AreEqual(m.newMode, modify.newMode);
NUnit.Framework.Assert.AreEqual(m.changeType, modify.changeType);
NUnit.Framework.Assert.AreEqual(0, modify.score);
}
internal static NGit.Diff.DiffEntry Delete(string path, AnyObjectId id)
{
NGit.Diff.DiffEntry e = new NGit.Diff.DiffEntry();
e.oldId = AbbreviatedObjectId.FromObjectId(id);
e.oldMode = FileMode.REGULAR_FILE;
e.oldPath = path;
e.newId = A_ZERO;
e.newMode = FileMode.MISSING;
e.newPath = DEV_NULL;
e.changeType = DiffEntry.ChangeType.DELETE;
return(e);
}
private static void AssertAdd(string newName, ObjectId newId, FileMode newMode, DiffEntry
add)
{
NUnit.Framework.Assert.AreEqual(DiffEntry.DEV_NULL, add.oldPath);
NUnit.Framework.Assert.AreEqual(DiffEntry.A_ZERO, add.oldId);
NUnit.Framework.Assert.AreEqual(FileMode.MISSING, add.oldMode);
NUnit.Framework.Assert.AreEqual(DiffEntry.ChangeType.ADD, add.changeType);
NUnit.Framework.Assert.AreEqual(newName, add.newPath);
NUnit.Framework.Assert.AreEqual(AbbreviatedObjectId.FromObjectId(newId), add.newId
);
NUnit.Framework.Assert.AreEqual(newMode, add.newMode);
}
// reduce the visibility of the default constructor
/// <summary>Convert the TreeWalk into DiffEntry headers.</summary>
/// <remarks>Convert the TreeWalk into DiffEntry headers.</remarks>
/// <param name="walk">the TreeWalk to walk through. Must have exactly two trees.</param>
/// <returns>headers describing the changed files.</returns>
/// <exception cref="System.IO.IOException">the repository cannot be accessed.</exception>
public static IList <NGit.Diff.DiffEntry> Scan(TreeWalk walk)
{
IList <NGit.Diff.DiffEntry> r = new AList <NGit.Diff.DiffEntry>();
MutableObjectId idBuf = new MutableObjectId();
while (walk.Next())
{
NGit.Diff.DiffEntry entry = new NGit.Diff.DiffEntry();
walk.GetObjectId(idBuf, 0);
entry.oldId = AbbreviatedObjectId.FromObjectId(idBuf);
walk.GetObjectId(idBuf, 1);
entry.newId = AbbreviatedObjectId.FromObjectId(idBuf);
entry.oldMode = walk.GetFileMode(0);
entry.newMode = walk.GetFileMode(1);
entry.newPath = entry.oldPath = walk.PathString;
if (entry.oldMode == FileMode.MISSING)
{
entry.oldPath = NGit.Diff.DiffEntry.DEV_NULL;
entry.changeType = DiffEntry.ChangeType.ADD;
r.AddItem(entry);
}
else
{
if (entry.newMode == FileMode.MISSING)
{
entry.newPath = NGit.Diff.DiffEntry.DEV_NULL;
entry.changeType = DiffEntry.ChangeType.DELETE;
r.AddItem(entry);
}
else
{
entry.changeType = DiffEntry.ChangeType.MODIFY;
if (RenameDetector.SameType(entry.oldMode, entry.newMode))
{
r.AddItem(entry);
}
else
{
Sharpen.Collections.AddAll(r, BreakModify(entry));
}
}
}
}
return(r);
}
public virtual void TestExactRename_OneRenameOneModify()
{
ObjectId foo = Blob("foo");
ObjectId bar = Blob("bar");
DiffEntry a = DiffEntry.Add(PATH_A, foo);
DiffEntry b = DiffEntry.Delete(PATH_Q, foo);
DiffEntry c = DiffEntry.Modify(PATH_H);
c.newId = c.oldId = AbbreviatedObjectId.FromObjectId(bar);
rd.Add(a);
rd.Add(b);
rd.Add(c);
IList <DiffEntry> entries = rd.Compute();
NUnit.Framework.Assert.AreEqual(2, entries.Count);
AssertRename(b, a, 100, entries[0]);
NUnit.Framework.Assert.AreSame(c, entries[1]);
}
public virtual void TestBreakModify_BreakNone()
{
ObjectId aId = Blob("foo");
ObjectId bId = Blob("bar");
DiffEntry m = DiffEntry.Modify(PATH_A);
m.oldId = AbbreviatedObjectId.FromObjectId(aId);
m.newId = AbbreviatedObjectId.FromObjectId(bId);
DiffEntry a = DiffEntry.Add(PATH_B, aId);
rd.Add(a);
rd.Add(m);
rd.SetBreakScore(-1);
IList <DiffEntry> entries = rd.Compute();
NUnit.Framework.Assert.AreEqual(2, entries.Count);
NUnit.Framework.Assert.AreSame(m, entries[0]);
NUnit.Framework.Assert.AreSame(a, entries[1]);
}
public virtual void TestBreakModify_BreakAll()
{
ObjectId aId = Blob("foo");
ObjectId bId = Blob("bar");
DiffEntry m = DiffEntry.Modify(PATH_A);
m.oldId = AbbreviatedObjectId.FromObjectId(aId);
m.newId = AbbreviatedObjectId.FromObjectId(bId);
DiffEntry a = DiffEntry.Add(PATH_B, aId);
rd.Add(a);
rd.Add(m);
rd.SetBreakScore(101);
IList <DiffEntry> entries = rd.Compute();
NUnit.Framework.Assert.AreEqual(2, entries.Count);
AssertAdd(PATH_A, bId, FileMode.REGULAR_FILE, entries[0]);
AssertRename(DiffEntry.BreakModify(m)[0], a, 100, entries[1]);
}
public virtual void TestBreakModify_DontBreakAboveScore()
{
ObjectId aId = Blob("blah\nblah\nfoo");
ObjectId bId = Blob("blah\nblah\nbar");
DiffEntry m = DiffEntry.Modify(PATH_A);
m.oldId = AbbreviatedObjectId.FromObjectId(aId);
m.newId = AbbreviatedObjectId.FromObjectId(bId);
DiffEntry a = DiffEntry.Add(PATH_B, aId);
rd.Add(a);
rd.Add(m);
rd.SetBreakScore(20);
// Should not break the modify
IList <DiffEntry> entries = rd.Compute();
NUnit.Framework.Assert.AreEqual(2, entries.Count);
NUnit.Framework.Assert.AreSame(m, entries[0]);
NUnit.Framework.Assert.AreSame(a, entries[1]);
}
public virtual void TestAbbreviateOnEmptyRepository()
{
ObjectId id = Id("9d5b926ed164e8ee88d3b8b1e525d699adda01ba");
NUnit.Framework.Assert.AreEqual(id.Abbreviate(2), reader.Abbreviate(id, 2));
NUnit.Framework.Assert.AreEqual(id.Abbreviate(7), reader.Abbreviate(id, 7));
NUnit.Framework.Assert.AreEqual(id.Abbreviate(8), reader.Abbreviate(id, 8));
NUnit.Framework.Assert.AreEqual(id.Abbreviate(10), reader.Abbreviate(id, 10));
NUnit.Framework.Assert.AreEqual(id.Abbreviate(16), reader.Abbreviate(id, 16));
NUnit.Framework.Assert.AreEqual(AbbreviatedObjectId.FromObjectId(id), reader.Abbreviate
(id, Constants.OBJECT_ID_STRING_LENGTH));
//
ICollection <ObjectId> matches;
matches = reader.Resolve(reader.Abbreviate(id, 8));
NUnit.Framework.Assert.IsNotNull(matches);
NUnit.Framework.Assert.AreEqual(0, matches.Count);
matches = reader.Resolve(AbbreviatedObjectId.FromObjectId(id));
NUnit.Framework.Assert.IsNotNull(matches);
NUnit.Framework.Assert.AreEqual(1, matches.Count);
NUnit.Framework.Assert.AreEqual(id, matches.Iterator().Next());
}
/// <summary>
/// Convert the TreeWalk into DiffEntry headers, depending on
/// <code>includeTrees</code>
/// it will add tree objects into result or not.
/// </summary>
/// <param name="walk">
/// the TreeWalk to walk through. Must have exactly two trees and
/// when
/// <code>includeTrees</code>
/// parameter is
/// <code>true</code>
/// it can't
/// be recursive.
/// </param>
/// <param name="includeTrees">include tree object's.</param>
/// <returns>headers describing the changed files.</returns>
/// <exception cref="System.IO.IOException">the repository cannot be accessed.</exception>
/// <exception cref="System.ArgumentException">
/// when
/// <code>includeTrees</code>
/// is true and given TreeWalk is
/// recursive. Or when given TreeWalk doesn't have exactly two
/// trees
/// </exception>
public static IList <NGit.Diff.DiffEntry> Scan(TreeWalk walk, bool includeTrees)
{
if (walk.TreeCount != 2)
{
throw new ArgumentException(JGitText.Get().treeWalkMustHaveExactlyTwoTrees);
}
if (includeTrees && walk.Recursive)
{
throw new ArgumentException(JGitText.Get().cannotBeRecursiveWhenTreesAreIncluded);
}
IList <NGit.Diff.DiffEntry> r = new AList <NGit.Diff.DiffEntry>();
MutableObjectId idBuf = new MutableObjectId();
while (walk.Next())
{
NGit.Diff.DiffEntry entry = new NGit.Diff.DiffEntry();
walk.GetObjectId(idBuf, 0);
entry.oldId = AbbreviatedObjectId.FromObjectId(idBuf);
walk.GetObjectId(idBuf, 1);
entry.newId = AbbreviatedObjectId.FromObjectId(idBuf);
entry.oldMode = walk.GetFileMode(0);
entry.newMode = walk.GetFileMode(1);
entry.newPath = entry.oldPath = walk.PathString;
if (entry.oldMode == FileMode.MISSING)
{
entry.oldPath = NGit.Diff.DiffEntry.DEV_NULL;
entry.changeType = DiffEntry.ChangeType.ADD;
r.AddItem(entry);
}
else
{
if (entry.newMode == FileMode.MISSING)
{
entry.newPath = NGit.Diff.DiffEntry.DEV_NULL;
entry.changeType = DiffEntry.ChangeType.DELETE;
r.AddItem(entry);
}
else
{
if (!entry.oldId.Equals(entry.newId))
{
entry.changeType = DiffEntry.ChangeType.MODIFY;
if (RenameDetector.SameType(entry.oldMode, entry.newMode))
{
r.AddItem(entry);
}
else
{
Sharpen.Collections.AddAll(r, BreakModify(entry));
}
}
else
{
if (entry.oldMode != entry.newMode)
{
entry.changeType = DiffEntry.ChangeType.MODIFY;
r.AddItem(entry);
}
}
}
}
if (includeTrees && walk.IsSubtree)
{
walk.EnterSubtree();
}
}
return(r);
}
/// <exception cref="System.IO.IOException"></exception>
private byte[] Open(DiffEntry.Side side, DiffEntry entry)
{
if (entry.GetMode(side) == FileMode.MISSING)
{
return(EMPTY);
}
if (entry.GetMode(side).GetObjectType() != Constants.OBJ_BLOB)
{
return(EMPTY);
}
if (IsBinary())
{
return(BINARY);
}
AbbreviatedObjectId id = entry.GetId(side);
if (!id.IsComplete)
{
ICollection <ObjectId> ids = reader.Resolve(id);
if (ids.Count == 1)
{
id = AbbreviatedObjectId.FromObjectId(ids.Iterator().Next());
switch (side)
{
case DiffEntry.Side.OLD:
{
entry.oldId = id;
break;
}
case DiffEntry.Side.NEW:
{
entry.newId = id;
break;
}
}
}
else
{
if (ids.Count == 0)
{
throw new MissingObjectException(id, Constants.OBJ_BLOB);
}
else
{
throw new AmbiguousObjectException(id, ids);
}
}
}
try
{
ObjectLoader ldr = source.Open(side, entry);
return(ldr.GetBytes(binaryFileThreshold));
}
catch (LargeObjectException.ExceedsLimit)
{
return(BINARY);
}
catch (LargeObjectException.ExceedsByteArrayLimit)
{
return(BINARY);
}
catch (LargeObjectException.OutOfMemory)
{
return(BINARY);
}
catch (LargeObjectException tooBig)
{
tooBig.SetObjectId(id.ToObjectId());
throw;
}
}