package packfile_test import ( "io" "math" fixtures "github.com/go-git/go-git-fixtures/v4" "github.com/go-git/go-git/v5/plumbing" "github.com/go-git/go-git/v5/plumbing/format/idxfile" "github.com/go-git/go-git/v5/plumbing/format/packfile" . "gopkg.in/check.v1" ) type PackfileSuite struct { fixtures.Suite p *packfile.Packfile idx *idxfile.MemoryIndex f *fixtures.Fixture } var _ = Suite(&PackfileSuite{}) func (s *PackfileSuite) TestGet(c *C) { for h := range expectedEntries { obj, err := s.p.Get(h) c.Assert(err, IsNil) c.Assert(obj, Not(IsNil)) c.Assert(obj.Hash(), Equals, h) } _, err := s.p.Get(plumbing.ZeroHash) c.Assert(err, Equals, plumbing.ErrObjectNotFound) } func (s *PackfileSuite) TestGetByOffset(c *C) { for h, o := range expectedEntries { obj, err := s.p.GetByOffset(o) c.Assert(err, IsNil) c.Assert(obj, Not(IsNil)) c.Assert(obj.Hash(), Equals, h) } _, err := s.p.GetByOffset(math.MaxInt64) c.Assert(err, Equals, plumbing.ErrObjectNotFound) } func (s *PackfileSuite) TestID(c *C) { id, err := s.p.ID() c.Assert(err, IsNil) c.Assert(id.String(), Equals, s.f.PackfileHash) } func (s *PackfileSuite) TestGetAll(c *C) { iter, err := s.p.GetAll() c.Assert(err, IsNil) var objects int for { o, err := iter.Next() if err == io.EOF { break } c.Assert(err, IsNil) objects++ _, ok := expectedEntries[o.Hash()] c.Assert(ok, Equals, true) } c.Assert(objects, Equals, len(expectedEntries)) } var expectedEntries = map[plumbing.Hash]int64{ plumbing.NewHash("1669dce138d9b841a518c64b10914d88f5e488ea"): 615, plumbing.NewHash("32858aad3c383ed1ff0a0f9bdf231d54a00c9e88"): 1524, plumbing.NewHash("35e85108805c84807bc66a02d91535e1e24b38b9"): 1063, plumbing.NewHash("49c6bb89b17060d7b4deacb7b338fcc6ea2352a9"): 78882, plumbing.NewHash("4d081c50e250fa32ea8b1313cf8bb7c2ad7627fd"): 84688, plumbing.NewHash("586af567d0bb5e771e49bdd9434f5e0fb76d25fa"): 84559, plumbing.NewHash("5a877e6a906a2743ad6e45d99c1793642aaf8eda"): 84479, plumbing.NewHash("6ecf0ef2c2dffb796033e5a02219af86ec6584e5"): 186, plumbing.NewHash("7e59600739c96546163833214c36459e324bad0a"): 84653, plumbing.NewHash("880cd14280f4b9b6ed3986d6671f907d7cc2a198"): 78050, plumbing.NewHash("8dcef98b1d52143e1e2dbc458ffe38f925786bf2"): 84741, plumbing.NewHash("918c48b83bd081e863dbe1b80f8998f058cd8294"): 286, plumbing.NewHash("9a48f23120e880dfbe41f7c9b7b708e9ee62a492"): 80998, plumbing.NewHash("9dea2395f5403188298c1dabe8bdafe562c491e3"): 84032, plumbing.NewHash("a39771a7651f97faf5c72e08224d857fc35133db"): 84430, plumbing.NewHash("a5b8b09e2f8fcb0bb99d3ccb0958157b40890d69"): 838, plumbing.NewHash("a8d315b2b1c615d43042c3a62402b8a54288cf5c"): 84375, plumbing.NewHash("aa9b383c260e1d05fbbf6b30a02914555e20c725"): 84760, plumbing.NewHash("af2d6a6954d532f8ffb47615169c8fdf9d383a1a"): 449, plumbing.NewHash("b029517f6300c2da0f4b651b8642506cd6aaf45d"): 1392, plumbing.NewHash("b8e471f58bcbca63b07bda20e428190409c2db47"): 1230, plumbing.NewHash("c192bd6a24ea1ab01d78686e417c8bdc7c3d197f"): 1713, plumbing.NewHash("c2d30fa8ef288618f65f6eed6e168e0d514886f4"): 84725, plumbing.NewHash("c8f1d8c61f9da76f4cb49fd86322b6e685dba956"): 80725, plumbing.NewHash("cf4aa3b38974fb7d81f367c0830f7d78d65ab86b"): 84608, plumbing.NewHash("d3ff53e0564a9f87d8e84b6e28e5060e517008aa"): 1685, plumbing.NewHash("d5c0f4ab811897cadf03aec358ae60d21f91c50d"): 2351, plumbing.NewHash("dbd3641b371024f44d0e469a9c8f5457b0660de1"): 84115, plumbing.NewHash("e8d3ffab552895c19b9fcf7aa264d277cde33881"): 12, plumbing.NewHash("eba74343e2f15d62adedfd8c883ee0262b5c8021"): 84708, plumbing.NewHash("fb72698cab7617ac416264415f13224dfd7a165e"): 84671, } func (s *PackfileSuite) SetUpTest(c *C) { s.f = fixtures.Basic().One() s.idx = idxfile.NewMemoryIndex() c.Assert(idxfile.NewDecoder(s.f.Idx()).Decode(s.idx), IsNil) s.p = packfile.NewPackfile(s.idx, fixtures.Filesystem, s.f.Packfile(), 0) } func (s *PackfileSuite) TearDownTest(c *C) { c.Assert(s.p.Close(), IsNil) } func (s *PackfileSuite) TestDecode(c *C) { fixtures.Basic().ByTag("packfile").Test(c, func(f *fixtures.Fixture) { index := getIndexFromIdxFile(f.Idx()) p := packfile.NewPackfile(index, fixtures.Filesystem, f.Packfile(), 0) defer p.Close() for _, h := range expectedHashes { obj, err := p.Get(plumbing.NewHash(h)) c.Assert(err, IsNil) c.Assert(obj.Hash().String(), Equals, h) } }) } func (s *PackfileSuite) TestDecodeByTypeRefDelta(c *C) { f := fixtures.Basic().ByTag("ref-delta").One() index := getIndexFromIdxFile(f.Idx()) packfile := packfile.NewPackfile(index, fixtures.Filesystem, f.Packfile(), 0) defer packfile.Close() iter, err := packfile.GetByType(plumbing.CommitObject) c.Assert(err, IsNil) var count int for { obj, err := iter.Next() if err == io.EOF { break } count++ c.Assert(err, IsNil) c.Assert(obj.Type(), Equals, plumbing.CommitObject) } c.Assert(count > 0, Equals, true) } func (s *PackfileSuite) TestDecodeByType(c *C) { ts := []plumbing.ObjectType{ plumbing.CommitObject, plumbing.TagObject, plumbing.TreeObject, plumbing.BlobObject, } fixtures.Basic().ByTag("packfile").Test(c, func(f *fixtures.Fixture) { for _, t := range ts { index := getIndexFromIdxFile(f.Idx()) packfile := packfile.NewPackfile(index, fixtures.Filesystem, f.Packfile(), 0) defer packfile.Close() iter, err := packfile.GetByType(t) c.Assert(err, IsNil) c.Assert(iter.ForEach(func(obj plumbing.EncodedObject) error { c.Assert(obj.Type(), Equals, t) return nil }), IsNil) } }) } func (s *PackfileSuite) TestDecodeByTypeConstructor(c *C) { f := fixtures.Basic().ByTag("packfile").One() index := getIndexFromIdxFile(f.Idx()) packfile := packfile.NewPackfile(index, fixtures.Filesystem, f.Packfile(), 0) defer packfile.Close() _, err := packfile.GetByType(plumbing.OFSDeltaObject) c.Assert(err, Equals, plumbing.ErrInvalidType) _, err = packfile.GetByType(plumbing.REFDeltaObject) c.Assert(err, Equals, plumbing.ErrInvalidType) _, err = packfile.GetByType(plumbing.InvalidObject) c.Assert(err, Equals, plumbing.ErrInvalidType) } var expectedHashes = []string{ "918c48b83bd081e863dbe1b80f8998f058cd8294", "af2d6a6954d532f8ffb47615169c8fdf9d383a1a", "1669dce138d9b841a518c64b10914d88f5e488ea", "a5b8b09e2f8fcb0bb99d3ccb0958157b40890d69", "b8e471f58bcbca63b07bda20e428190409c2db47", "35e85108805c84807bc66a02d91535e1e24b38b9", "b029517f6300c2da0f4b651b8642506cd6aaf45d", "32858aad3c383ed1ff0a0f9bdf231d54a00c9e88", "d3ff53e0564a9f87d8e84b6e28e5060e517008aa", "c192bd6a24ea1ab01d78686e417c8bdc7c3d197f", "d5c0f4ab811897cadf03aec358ae60d21f91c50d", "49c6bb89b17060d7b4deacb7b338fcc6ea2352a9", "cf4aa3b38974fb7d81f367c0830f7d78d65ab86b", "9dea2395f5403188298c1dabe8bdafe562c491e3", "586af567d0bb5e771e49bdd9434f5e0fb76d25fa", "9a48f23120e880dfbe41f7c9b7b708e9ee62a492", "5a877e6a906a2743ad6e45d99c1793642aaf8eda", "c8f1d8c61f9da76f4cb49fd86322b6e685dba956", "a8d315b2b1c615d43042c3a62402b8a54288cf5c", "a39771a7651f97faf5c72e08224d857fc35133db", "880cd14280f4b9b6ed3986d6671f907d7cc2a198", "fb72698cab7617ac416264415f13224dfd7a165e", "4d081c50e250fa32ea8b1313cf8bb7c2ad7627fd", "eba74343e2f15d62adedfd8c883ee0262b5c8021", "c2d30fa8ef288618f65f6eed6e168e0d514886f4", "8dcef98b1d52143e1e2dbc458ffe38f925786bf2", "aa9b383c260e1d05fbbf6b30a02914555e20c725", "6ecf0ef2c2dffb796033e5a02219af86ec6584e5", "dbd3641b371024f44d0e469a9c8f5457b0660de1", "e8d3ffab552895c19b9fcf7aa264d277cde33881", "7e59600739c96546163833214c36459e324bad0a", } func getIndexFromIdxFile(r io.Reader) idxfile.Index { idx := idxfile.NewMemoryIndex() if err := idxfile.NewDecoder(r).Decode(idx); err != nil { panic(err) } return idx } func (s *PackfileSuite) TestSize(c *C) { f := fixtures.Basic().ByTag("ref-delta").One() index := getIndexFromIdxFile(f.Idx()) packfile := packfile.NewPackfile(index, fixtures.Filesystem, f.Packfile(), 0) defer packfile.Close() // Get the size of binary.jpg, which is not delta-encoded. offset, err := packfile.FindOffset(plumbing.NewHash("d5c0f4ab811897cadf03aec358ae60d21f91c50d")) c.Assert(err, IsNil) size, err := packfile.GetSizeByOffset(offset) c.Assert(err, IsNil) c.Assert(size, Equals, int64(76110)) // Get the size of the root commit, which is delta-encoded. offset, err = packfile.FindOffset(plumbing.NewHash(f.Head)) c.Assert(err, IsNil) size, err = packfile.GetSizeByOffset(offset) c.Assert(err, IsNil) c.Assert(size, Equals, int64(245)) }