diff options
Diffstat (limited to 'plumbing/format/commitgraph/commitgraph_test.go')
| -rw-r--r-- | plumbing/format/commitgraph/commitgraph_test.go | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/plumbing/format/commitgraph/commitgraph_test.go b/plumbing/format/commitgraph/commitgraph_test.go new file mode 100644 index 0000000..b984142 --- /dev/null +++ b/plumbing/format/commitgraph/commitgraph_test.go @@ -0,0 +1,135 @@ +package commitgraph_test
+
+import (
+ "io/ioutil"
+ "os"
+ "path"
+ "testing"
+
+ "golang.org/x/exp/mmap"
+
+ . "gopkg.in/check.v1"
+ "gopkg.in/src-d/go-git-fixtures.v3"
+ "gopkg.in/src-d/go-git.v4/plumbing"
+ "gopkg.in/src-d/go-git.v4/plumbing/format/commitgraph"
+)
+
+func Test(t *testing.T) { TestingT(t) }
+
+type CommitgraphSuite struct {
+ fixtures.Suite
+}
+
+var _ = Suite(&CommitgraphSuite{})
+
+func testDecodeHelper(c *C, path string) {
+ reader, err := mmap.Open(path)
+ c.Assert(err, IsNil)
+ defer reader.Close()
+ index, err := commitgraph.OpenFileIndex(reader)
+ c.Assert(err, IsNil)
+
+ // Root commit
+ nodeIndex, err := index.GetIndexByHash(plumbing.NewHash("347c91919944a68e9413581a1bc15519550a3afe"))
+ c.Assert(err, IsNil)
+ node, err := index.GetNodeByIndex(nodeIndex)
+ c.Assert(err, IsNil)
+ c.Assert(len(node.ParentIndexes), Equals, 0)
+ c.Assert(len(node.ParentHashes), Equals, 0)
+
+ // Regular commit
+ nodeIndex, err = index.GetIndexByHash(plumbing.NewHash("e713b52d7e13807e87a002e812041f248db3f643"))
+ c.Assert(err, IsNil)
+ node, err = index.GetNodeByIndex(nodeIndex)
+ c.Assert(err, IsNil)
+ c.Assert(len(node.ParentIndexes), Equals, 1)
+ c.Assert(len(node.ParentHashes), Equals, 1)
+ c.Assert(node.ParentHashes[0].String(), Equals, "347c91919944a68e9413581a1bc15519550a3afe")
+
+ // Merge commit
+ nodeIndex, err = index.GetIndexByHash(plumbing.NewHash("b29328491a0682c259bcce28741eac71f3499f7d"))
+ c.Assert(err, IsNil)
+ node, err = index.GetNodeByIndex(nodeIndex)
+ c.Assert(err, IsNil)
+ c.Assert(len(node.ParentIndexes), Equals, 2)
+ c.Assert(len(node.ParentHashes), Equals, 2)
+ c.Assert(node.ParentHashes[0].String(), Equals, "e713b52d7e13807e87a002e812041f248db3f643")
+ c.Assert(node.ParentHashes[1].String(), Equals, "03d2c021ff68954cf3ef0a36825e194a4b98f981")
+
+ // Octopus merge commit
+ nodeIndex, err = index.GetIndexByHash(plumbing.NewHash("6f6c5d2be7852c782be1dd13e36496dd7ad39560"))
+ c.Assert(err, IsNil)
+ node, err = index.GetNodeByIndex(nodeIndex)
+ c.Assert(err, IsNil)
+ c.Assert(len(node.ParentIndexes), Equals, 3)
+ c.Assert(len(node.ParentHashes), Equals, 3)
+ c.Assert(node.ParentHashes[0].String(), Equals, "ce275064ad67d51e99f026084e20827901a8361c")
+ c.Assert(node.ParentHashes[1].String(), Equals, "bb13916df33ed23004c3ce9ed3b8487528e655c1")
+ c.Assert(node.ParentHashes[2].String(), Equals, "a45273fe2d63300e1962a9e26a6b15c276cd7082")
+
+ // Check all hashes
+ hashes := index.Hashes()
+ c.Assert(len(hashes), Equals, 11)
+ c.Assert(hashes[0].String(), Equals, "03d2c021ff68954cf3ef0a36825e194a4b98f981")
+ c.Assert(hashes[10].String(), Equals, "e713b52d7e13807e87a002e812041f248db3f643")
+}
+
+func (s *CommitgraphSuite) TestDecode(c *C) {
+ fixtures.ByTag("commit-graph").Test(c, func(f *fixtures.Fixture) {
+ dotgit := f.DotGit()
+ testDecodeHelper(c, path.Join(dotgit.Root(), "objects", "info", "commit-graph"))
+ })
+}
+
+func (s *CommitgraphSuite) TestReencode(c *C) {
+ fixtures.ByTag("commit-graph").Test(c, func(f *fixtures.Fixture) {
+ dotgit := f.DotGit()
+
+ reader, err := mmap.Open(path.Join(dotgit.Root(), "objects", "info", "commit-graph"))
+ c.Assert(err, IsNil)
+ defer reader.Close()
+ index, err := commitgraph.OpenFileIndex(reader)
+ c.Assert(err, IsNil)
+
+ writer, err := ioutil.TempFile(dotgit.Root(), "commit-graph")
+ c.Assert(err, IsNil)
+ tmpName := writer.Name()
+ defer os.Remove(tmpName)
+ encoder := commitgraph.NewEncoder(writer)
+ err = encoder.Encode(index)
+ c.Assert(err, IsNil)
+ writer.Close()
+
+ testDecodeHelper(c, tmpName)
+ })
+}
+
+func (s *CommitgraphSuite) TestReencodeInMemory(c *C) {
+ fixtures.ByTag("commit-graph").Test(c, func(f *fixtures.Fixture) {
+ dotgit := f.DotGit()
+
+ reader, err := mmap.Open(path.Join(dotgit.Root(), "objects", "info", "commit-graph"))
+ c.Assert(err, IsNil)
+ index, err := commitgraph.OpenFileIndex(reader)
+ c.Assert(err, IsNil)
+ memoryIndex := commitgraph.NewMemoryIndex()
+ for i, hash := range index.Hashes() {
+ node, err := index.GetNodeByIndex(i)
+ c.Assert(err, IsNil)
+ err = memoryIndex.Add(hash, node)
+ c.Assert(err, IsNil)
+ }
+ reader.Close()
+
+ writer, err := ioutil.TempFile(dotgit.Root(), "commit-graph")
+ c.Assert(err, IsNil)
+ tmpName := writer.Name()
+ defer os.Remove(tmpName)
+ encoder := commitgraph.NewEncoder(writer)
+ err = encoder.Encode(memoryIndex)
+ c.Assert(err, IsNil)
+ writer.Close()
+
+ testDecodeHelper(c, tmpName)
+ })
+}
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