Add test for traversal on mixed object and commit-graph

Signed-off-by: Filip Navara <filip.navara@gmail.com>

1 files changed, 30 insertions, 0 deletions

diff --git a/plumbing/object/commitnode_test.go b/plumbing/object/commitnode_test.go
index 1e5f2d9..df307e3 100644
--- a/plumbing/object/commitnode_test.go
+++ b/plumbing/object/commitnode_test.go
@@ -102,3 +102,33 @@ func (s *CommitNodeSuite) TestCommitGraph(c *C) {
 	testWalker(c, nodeIndex)

 	testParents(c, nodeIndex)

 }

+

+func (s *CommitNodeSuite) TestMixedGraph(c *C) {

+	// Unpack the original repository with pack file

+	f := fixtures.ByTag("commit-graph").One()

+	dotgit := f.DotGit()

+	storer := filesystem.NewStorage(dotgit, cache.NewObjectLRUDefault())

+	p := f.Packfile()

+	defer p.Close()

+	err := packfile.UpdateObjectStorage(storer, p)

+	c.Assert(err, IsNil)

+

+	// Take the commit-graph file and copy it to memory index without the last commit

+	reader, err := mmap.Open(path.Join(dotgit.Root(), "objects", "info", "commit-graph"))

+	c.Assert(err, IsNil)

+	defer reader.Close()

+	fileIndex, err := commitgraph.OpenFileIndex(reader)

+	c.Assert(err, IsNil)

+	memoryIndex := commitgraph.NewMemoryIndex()

+	for i, hash := range fileIndex.Hashes() {

+		if hash.String() != "b9d69064b190e7aedccf84731ca1d917871f8a1c" {

+			node, err := fileIndex.GetNodeByIndex(i)

+			c.Assert(err, IsNil)

+			memoryIndex.Add(hash, node)

+		}

+	}

+

+	nodeIndex := NewGraphCommitNodeIndex(memoryIndex, storer)

+	testWalker(c, nodeIndex)

+	testParents(c, nodeIndex)

+}