package dotgit import ( "bufio" "io/ioutil" "os" "path/filepath" "strings" "testing" "github.com/src-d/go-git-fixtures" "gopkg.in/src-d/go-git.v4/plumbing" . "gopkg.in/check.v1" "gopkg.in/src-d/go-billy.v2/osfs" ) func Test(t *testing.T) { TestingT(t) } type SuiteDotGit struct { fixtures.Suite } var _ = Suite(&SuiteDotGit{}) func (s *SuiteDotGit) TestInitialize(c *C) { tmp, err := ioutil.TempDir("", "dot-git") c.Assert(err, IsNil) defer os.RemoveAll(tmp) fs := osfs.New(tmp) dir := New(fs) err = dir.Initialize() c.Assert(err, IsNil) _, err = fs.Stat(fs.Join("objects", "info")) c.Assert(err, IsNil) _, err = fs.Stat(fs.Join("objects", "pack")) c.Assert(err, IsNil) _, err = fs.Stat(fs.Join("refs", "heads")) c.Assert(err, IsNil) _, err = fs.Stat(fs.Join("refs", "tags")) c.Assert(err, IsNil) } func (s *SuiteDotGit) TestSetRefs(c *C) { tmp, err := ioutil.TempDir("", "dot-git") c.Assert(err, IsNil) defer os.RemoveAll(tmp) fs := osfs.New(tmp) dir := New(fs) err = dir.SetRef(plumbing.NewReferenceFromStrings( "refs/heads/foo", "e8d3ffab552895c19b9fcf7aa264d277cde33881", )) c.Assert(err, IsNil) err = dir.SetRef(plumbing.NewReferenceFromStrings( "refs/heads/symbolic", "ref: refs/heads/foo", )) c.Assert(err, IsNil) err = dir.SetRef(plumbing.NewReferenceFromStrings( "bar", "e8d3ffab552895c19b9fcf7aa264d277cde33881", )) c.Assert(err, IsNil) refs, err := dir.Refs() c.Assert(err, IsNil) c.Assert(refs, HasLen, 2) ref := findReference(refs, "refs/heads/foo") c.Assert(ref, NotNil) c.Assert(ref.Hash().String(), Equals, "e8d3ffab552895c19b9fcf7aa264d277cde33881") ref = findReference(refs, "refs/heads/symbolic") c.Assert(ref, NotNil) c.Assert(ref.Target().String(), Equals, "refs/heads/foo") ref = findReference(refs, "bar") c.Assert(ref, IsNil) ref, err = dir.Ref("refs/heads/foo") c.Assert(err, IsNil) c.Assert(ref, NotNil) c.Assert(ref.Hash().String(), Equals, "e8d3ffab552895c19b9fcf7aa264d277cde33881") ref, err = dir.Ref("refs/heads/symbolic") c.Assert(err, IsNil) c.Assert(ref, NotNil) c.Assert(ref.Target().String(), Equals, "refs/heads/foo") ref, err = dir.Ref("bar") c.Assert(err, IsNil) c.Assert(ref, NotNil) c.Assert(ref.Hash().String(), Equals, "e8d3ffab552895c19b9fcf7aa264d277cde33881") } func (s *SuiteDotGit) TestRefsFromPackedRefs(c *C) { fs := fixtures.Basic().ByTag(".git").One().DotGit() dir := New(fs) refs, err := dir.Refs() c.Assert(err, IsNil) ref := findReference(refs, "refs/remotes/origin/branch") c.Assert(ref, NotNil) c.Assert(ref.Hash().String(), Equals, "e8d3ffab552895c19b9fcf7aa264d277cde33881") } func (s *SuiteDotGit) TestRefsFromReferenceFile(c *C) { fs := fixtures.Basic().ByTag(".git").One().DotGit() dir := New(fs) refs, err := dir.Refs() c.Assert(err, IsNil) ref := findReference(refs, "refs/remotes/origin/HEAD") c.Assert(ref, NotNil) c.Assert(ref.Type(), Equals, plumbing.SymbolicReference) c.Assert(string(ref.Target()), Equals, "refs/remotes/origin/master") } func (s *SuiteDotGit) TestRemoveRefFromReferenceFile(c *C) { fs := fixtures.Basic().ByTag(".git").One().DotGit() dir := New(fs) name := plumbing.ReferenceName("refs/remotes/origin/HEAD") err := dir.RemoveRef(name) c.Assert(err, IsNil) refs, err := dir.Refs() c.Assert(err, IsNil) ref := findReference(refs, string(name)) c.Assert(ref, IsNil) } func (s *SuiteDotGit) TestRemoveRefFromPackedRefs(c *C) { fs := fixtures.Basic().ByTag(".git").One().DotGit() dir := New(fs) name := plumbing.ReferenceName("refs/remotes/origin/master") err := dir.RemoveRef(name) c.Assert(err, IsNil) b, err := ioutil.ReadFile(filepath.Join(fs.Base(), packedRefsPath)) c.Assert(err, IsNil) c.Assert(string(b), Equals, ""+ "# pack-refs with: peeled fully-peeled \n"+ "6ecf0ef2c2dffb796033e5a02219af86ec6584e5 refs/heads/master\n"+ "e8d3ffab552895c19b9fcf7aa264d277cde33881 refs/remotes/origin/branch\n") } func (s *SuiteDotGit) TestRemoveRefNonExistent(c *C) { fs := fixtures.Basic().ByTag(".git").One().DotGit() dir := New(fs) packedRefs := filepath.Join(fs.Base(), packedRefsPath) before, err := ioutil.ReadFile(packedRefs) c.Assert(err, IsNil) name := plumbing.ReferenceName("refs/heads/nonexistent") err = dir.RemoveRef(name) c.Assert(err, IsNil) after, err := ioutil.ReadFile(packedRefs) c.Assert(err, IsNil) c.Assert(string(before), Equals, string(after)) } func (s *SuiteDotGit) TestRemoveRefInvalidPackedRefs(c *C) { fs := fixtures.Basic().ByTag(".git").One().DotGit() dir := New(fs) packedRefs := filepath.Join(fs.Base(), packedRefsPath) brokenContent := "BROKEN STUFF REALLY BROKEN" err := ioutil.WriteFile(packedRefs, []byte(brokenContent), os.FileMode(0755)) c.Assert(err, IsNil) name := plumbing.ReferenceName("refs/heads/nonexistent") err = dir.RemoveRef(name) c.Assert(err, NotNil) after, err := ioutil.ReadFile(filepath.Join(fs.Base(), packedRefsPath)) c.Assert(err, IsNil) c.Assert(brokenContent, Equals, string(after)) } func (s *SuiteDotGit) TestRemoveRefInvalidPackedRefs2(c *C) { fs := fixtures.Basic().ByTag(".git").One().DotGit() dir := New(fs) packedRefs := filepath.Join(fs.Base(), packedRefsPath) brokenContent := strings.Repeat("a", bufio.MaxScanTokenSize*2) err := ioutil.WriteFile(packedRefs, []byte(brokenContent), os.FileMode(0755)) c.Assert(err, IsNil) name := plumbing.ReferenceName("refs/heads/nonexistent") err = dir.RemoveRef(name) c.Assert(err, NotNil) after, err := ioutil.ReadFile(filepath.Join(fs.Base(), packedRefsPath)) c.Assert(err, IsNil) c.Assert(brokenContent, Equals, string(after)) } func (s *SuiteDotGit) TestRefsFromHEADFile(c *C) { fs := fixtures.Basic().ByTag(".git").One().DotGit() dir := New(fs) refs, err := dir.Refs() c.Assert(err, IsNil) ref := findReference(refs, "HEAD") c.Assert(ref, NotNil) c.Assert(ref.Type(), Equals, plumbing.SymbolicReference) c.Assert(string(ref.Target()), Equals, "refs/heads/master") } func (s *SuiteDotGit) TestConfig(c *C) { fs := fixtures.Basic().ByTag(".git").One().DotGit() dir := New(fs) file, err := dir.Config() c.Assert(err, IsNil) c.Assert(filepath.Base(file.Filename()), Equals, "config") } func (s *SuiteDotGit) TestConfigWriteAndConfig(c *C) { tmp, err := ioutil.TempDir("", "dot-git") c.Assert(err, IsNil) defer os.RemoveAll(tmp) fs := osfs.New(tmp) dir := New(fs) f, err := dir.ConfigWriter() c.Assert(err, IsNil) _, err = f.Write([]byte("foo")) c.Assert(err, IsNil) f, err = dir.Config() c.Assert(err, IsNil) cnt, err := ioutil.ReadAll(f) c.Assert(err, IsNil) c.Assert(string(cnt), Equals, "foo") } func (s *SuiteDotGit) TestIndex(c *C) { fs := fixtures.Basic().ByTag(".git").One().DotGit() dir := New(fs) idx, err := dir.Index() c.Assert(err, IsNil) c.Assert(idx, NotNil) } func (s *SuiteDotGit) TestIndexWriteAndIndex(c *C) { tmp, err := ioutil.TempDir("", "dot-git") c.Assert(err, IsNil) defer os.RemoveAll(tmp) fs := osfs.New(tmp) dir := New(fs) f, err := dir.IndexWriter() c.Assert(err, IsNil) _, err = f.Write([]byte("foo")) c.Assert(err, IsNil) f, err = dir.Index() c.Assert(err, IsNil) cnt, err := ioutil.ReadAll(f) c.Assert(err, IsNil) c.Assert(string(cnt), Equals, "foo") } func (s *SuiteDotGit) TestShallow(c *C) { fs := fixtures.Basic().ByTag(".git").One().DotGit() dir := New(fs) file, err := dir.Shallow() c.Assert(err, IsNil) c.Assert(file, IsNil) } func (s *SuiteDotGit) TestShallowWriteAndShallow(c *C) { tmp, err := ioutil.TempDir("", "dot-git") c.Assert(err, IsNil) defer os.RemoveAll(tmp) fs := osfs.New(tmp) dir := New(fs) f, err := dir.ShallowWriter() c.Assert(err, IsNil) _, err = f.Write([]byte("foo")) c.Assert(err, IsNil) f, err = dir.Shallow() c.Assert(err, IsNil) cnt, err := ioutil.ReadAll(f) c.Assert(err, IsNil) c.Assert(string(cnt), Equals, "foo") } func findReference(refs []*plumbing.Reference, name string) *plumbing.Reference { n := plumbing.ReferenceName(name) for _, ref := range refs { if ref.Name() == n { return ref } } return nil } func (s *SuiteDotGit) TestObjectsPack(c *C) { f := fixtures.Basic().ByTag(".git").One() fs := f.DotGit() dir := New(fs) hashes, err := dir.ObjectPacks() c.Assert(err, IsNil) c.Assert(hashes, HasLen, 1) c.Assert(hashes[0], Equals, f.PackfileHash) } func (s *SuiteDotGit) TestObjectPack(c *C) { f := fixtures.Basic().ByTag(".git").One() fs := f.DotGit() dir := New(fs) pack, err := dir.ObjectPack(f.PackfileHash) c.Assert(err, IsNil) c.Assert(filepath.Ext(pack.Filename()), Equals, ".pack") } func (s *SuiteDotGit) TestObjectPackIdx(c *C) { f := fixtures.Basic().ByTag(".git").One() fs := f.DotGit() dir := New(fs) idx, err := dir.ObjectPackIdx(f.PackfileHash) c.Assert(err, IsNil) c.Assert(filepath.Ext(idx.Filename()), Equals, ".idx") } func (s *SuiteDotGit) TestObjectPackNotFound(c *C) { fs := fixtures.Basic().ByTag(".git").One().DotGit() dir := New(fs) pack, err := dir.ObjectPack(plumbing.ZeroHash) c.Assert(err, Equals, ErrPackfileNotFound) c.Assert(pack, IsNil) idx, err := dir.ObjectPackIdx(plumbing.ZeroHash) c.Assert(err, Equals, ErrPackfileNotFound) c.Assert(idx, IsNil) } func (s *SuiteDotGit) TestNewObject(c *C) { tmp, err := ioutil.TempDir("", "dot-git") c.Assert(err, IsNil) defer os.RemoveAll(tmp) fs := osfs.New(tmp) dir := New(fs) w, err := dir.NewObject() c.Assert(err, IsNil) err = w.WriteHeader(plumbing.BlobObject, 14) n, err := w.Write([]byte("this is a test")) c.Assert(err, IsNil) c.Assert(n, Equals, 14) c.Assert(w.Hash().String(), Equals, "a8a940627d132695a9769df883f85992f0ff4a43") err = w.Close() c.Assert(err, IsNil) i, err := fs.Stat("objects/a8/a940627d132695a9769df883f85992f0ff4a43") c.Assert(err, IsNil) c.Assert(i.Size(), Equals, int64(34)) } func (s *SuiteDotGit) TestObjects(c *C) { fs := fixtures.ByTag(".git").ByTag("unpacked").One().DotGit() dir := New(fs) hashes, err := dir.Objects() c.Assert(err, IsNil) c.Assert(hashes, HasLen, 187) c.Assert(hashes[0].String(), Equals, "0097821d427a3c3385898eb13b50dcbc8702b8a3") c.Assert(hashes[1].String(), Equals, "01d5fa556c33743006de7e76e67a2dfcd994ca04") c.Assert(hashes[2].String(), Equals, "03db8e1fbe133a480f2867aac478fd866686d69e") } func (s *SuiteDotGit) TestObjectsNoFolder(c *C) { tmp, err := ioutil.TempDir("", "dot-git") c.Assert(err, IsNil) defer os.RemoveAll(tmp) fs := osfs.New(tmp) dir := New(fs) hash, err := dir.Objects() c.Assert(err, IsNil) c.Assert(hash, HasLen, 0) } func (s *SuiteDotGit) TestObject(c *C) { fs := fixtures.ByTag(".git").ByTag("unpacked").One().DotGit() dir := New(fs) hash := plumbing.NewHash("03db8e1fbe133a480f2867aac478fd866686d69e") file, err := dir.Object(hash) c.Assert(err, IsNil) c.Assert(strings.HasSuffix( file.Filename(), fs.Join("objects", "03", "db8e1fbe133a480f2867aac478fd866686d69e")), Equals, true, ) } func (s *SuiteDotGit) TestObjectNotFound(c *C) { fs := fixtures.ByTag(".git").ByTag("unpacked").One().DotGit() dir := New(fs) hash := plumbing.NewHash("not-found-object") file, err := dir.Object(hash) c.Assert(err, NotNil) c.Assert(file, IsNil) } func (s *SuiteDotGit) TestSubmodules(c *C) { fs := fixtures.ByTag("submodule").One().DotGit() dir := New(fs) m := dir.Module("basic") c.Assert(strings.HasSuffix(m.Base(), m.Join(".git", "module", "basic")), Equals, true) }