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authorAntonio Jesus Navarro Perez <antnavper@gmail.com>2018-06-05 18:33:27 +0200
committerAntonio Jesus Navarro Perez <antnavper@gmail.com>2018-06-05 18:34:08 +0200
commitb0d807a1ae0687ef3a01d78c1dc5e55f7217268f (patch)
tree3a9d6f21cad1af18d940abcc17ddb1337e78146d /storage/filesystem/dotgit/dotgit_test.go
parent8955f060a3cba36a56ac334576eba4123f6e918a (diff)
downloadgo-git-b0d807a1ae0687ef3a01d78c1dc5e55f7217268f.tar.gz
dotgit: Move package outside internal.
Signed-off-by: Antonio Jesus Navarro Perez <antnavper@gmail.com>
Diffstat (limited to 'storage/filesystem/dotgit/dotgit_test.go')
-rw-r--r--storage/filesystem/dotgit/dotgit_test.go683
1 files changed, 683 insertions, 0 deletions
diff --git a/storage/filesystem/dotgit/dotgit_test.go b/storage/filesystem/dotgit/dotgit_test.go
new file mode 100644
index 0000000..7733eef
--- /dev/null
+++ b/storage/filesystem/dotgit/dotgit_test.go
@@ -0,0 +1,683 @@
+package dotgit
+
+import (
+ "bufio"
+ "io/ioutil"
+ "os"
+ "path/filepath"
+ "runtime"
+ "strings"
+ "testing"
+
+ "gopkg.in/src-d/go-git.v4/plumbing"
+
+ . "gopkg.in/check.v1"
+ "gopkg.in/src-d/go-billy.v4/osfs"
+ "gopkg.in/src-d/go-git-fixtures.v3"
+)
+
+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)
+
+ firstFoo := plumbing.NewReferenceFromStrings(
+ "refs/heads/foo",
+ "e8d3ffab552895c19b9fcf7aa264d277cde33881",
+ )
+ err = dir.SetRef(firstFoo, nil)
+
+ c.Assert(err, IsNil)
+
+ err = dir.SetRef(plumbing.NewReferenceFromStrings(
+ "refs/heads/symbolic",
+ "ref: refs/heads/foo",
+ ), nil)
+
+ c.Assert(err, IsNil)
+
+ err = dir.SetRef(plumbing.NewReferenceFromStrings(
+ "bar",
+ "e8d3ffab552895c19b9fcf7aa264d277cde33881",
+ ), nil)
+ 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")
+
+ // Check that SetRef with a non-nil `old` works.
+ err = dir.SetRef(plumbing.NewReferenceFromStrings(
+ "refs/heads/foo",
+ "6ecf0ef2c2dffb796033e5a02219af86ec6584e5",
+ ), firstFoo)
+ c.Assert(err, IsNil)
+
+ // `firstFoo` is no longer the right `old` reference, so this
+ // should fail.
+ err = dir.SetRef(plumbing.NewReferenceFromStrings(
+ "refs/heads/foo",
+ "6ecf0ef2c2dffb796033e5a02219af86ec6584e5",
+ ), firstFoo)
+ c.Assert(err, NotNil)
+}
+
+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 BenchmarkRefMultipleTimes(b *testing.B) {
+ fixtures.Init()
+ fs := fixtures.Basic().ByTag(".git").One().DotGit()
+ refname := plumbing.ReferenceName("refs/remotes/origin/branch")
+
+ dir := New(fs)
+ _, err := dir.Ref(refname)
+ if err != nil {
+ b.Fatalf("unexpected error: %s", err)
+ }
+
+ for i := 0; i < b.N; i++ {
+ _, err := dir.Ref(refname)
+ if err != nil {
+ b.Fatalf("unexpected error: %s", err)
+ }
+ }
+}
+
+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.Root(), 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) TestRemoveRefFromReferenceFileAndPackedRefs(c *C) {
+ fs := fixtures.Basic().ByTag(".git").One().DotGit()
+ dir := New(fs)
+
+ // Make a ref file for a ref that's already in `packed-refs`.
+ err := dir.SetRef(plumbing.NewReferenceFromStrings(
+ "refs/remotes/origin/branch",
+ "e8d3ffab552895c19b9fcf7aa264d277cde33881",
+ ), nil)
+
+ // Make sure it only appears once in the refs list.
+ refs, err := dir.Refs()
+ c.Assert(err, IsNil)
+ found := false
+ for _, ref := range refs {
+ if ref.Name() == "refs/remotes/origin/branch" {
+ c.Assert(found, Equals, false)
+ found = true
+ }
+ }
+
+ name := plumbing.ReferenceName("refs/remotes/origin/branch")
+ err = dir.RemoveRef(name)
+ c.Assert(err, IsNil)
+
+ b, err := ioutil.ReadFile(filepath.Join(fs.Root(), packedRefsPath))
+ c.Assert(err, IsNil)
+
+ c.Assert(string(b), Equals, ""+
+ "# pack-refs with: peeled fully-peeled \n"+
+ "6ecf0ef2c2dffb796033e5a02219af86ec6584e5 refs/heads/master\n"+
+ "6ecf0ef2c2dffb796033e5a02219af86ec6584e5 refs/remotes/origin/master\n")
+
+ refs, err = dir.Refs()
+ c.Assert(err, IsNil)
+
+ ref := findReference(refs, string(name))
+ c.Assert(ref, IsNil)
+}
+
+func (s *SuiteDotGit) TestRemoveRefNonExistent(c *C) {
+ fs := fixtures.Basic().ByTag(".git").One().DotGit()
+ dir := New(fs)
+
+ packedRefs := filepath.Join(fs.Root(), 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.Root(), 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.Root(), 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.Root(), 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.Root(), 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.Name()), 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) TestObjectPacks(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)
+
+ // Make sure that a random file in the pack directory doesn't
+ // break everything.
+ badFile, err := fs.Create("objects/pack/OOPS_THIS_IS_NOT_RIGHT.pack")
+ c.Assert(err, IsNil)
+ err = badFile.Close()
+ c.Assert(err, IsNil)
+
+ hashes2, err := dir.ObjectPacks()
+ c.Assert(err, IsNil)
+ c.Assert(hashes2, HasLen, 1)
+ c.Assert(hashes[0], Equals, hashes2[0])
+}
+
+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.Name()), 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.Name()), Equals, ".idx")
+ c.Assert(idx.Close(), IsNil)
+}
+
+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)
+ c.Assert(err, IsNil)
+ 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.Name(), 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, err := dir.Module("basic")
+ c.Assert(err, IsNil)
+ c.Assert(strings.HasSuffix(m.Root(), m.Join(".git", "modules", "basic")), Equals, true)
+}
+
+func (s *SuiteDotGit) TestPackRefs(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",
+ ), nil)
+ c.Assert(err, IsNil)
+ err = dir.SetRef(plumbing.NewReferenceFromStrings(
+ "refs/heads/bar",
+ "a8d3ffab552895c19b9fcf7aa264d277cde33881",
+ ), nil)
+ c.Assert(err, IsNil)
+
+ refs, err := dir.Refs()
+ c.Assert(err, IsNil)
+ c.Assert(refs, HasLen, 2)
+ looseCount, err := dir.CountLooseRefs()
+ c.Assert(err, IsNil)
+ c.Assert(looseCount, Equals, 2)
+
+ err = dir.PackRefs()
+ c.Assert(err, IsNil)
+
+ // Make sure the refs are still there, but no longer loose.
+ refs, err = dir.Refs()
+ c.Assert(err, IsNil)
+ c.Assert(refs, HasLen, 2)
+ looseCount, err = dir.CountLooseRefs()
+ c.Assert(err, IsNil)
+ c.Assert(looseCount, Equals, 0)
+
+ 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/bar")
+ c.Assert(err, IsNil)
+ c.Assert(ref, NotNil)
+ c.Assert(ref.Hash().String(), Equals, "a8d3ffab552895c19b9fcf7aa264d277cde33881")
+
+ // Now update one of them, re-pack, and check again.
+ err = dir.SetRef(plumbing.NewReferenceFromStrings(
+ "refs/heads/foo",
+ "b8d3ffab552895c19b9fcf7aa264d277cde33881",
+ ), nil)
+ c.Assert(err, IsNil)
+ looseCount, err = dir.CountLooseRefs()
+ c.Assert(err, IsNil)
+ c.Assert(looseCount, Equals, 1)
+ err = dir.PackRefs()
+ c.Assert(err, IsNil)
+
+ // Make sure the refs are still there, but no longer loose.
+ refs, err = dir.Refs()
+ c.Assert(err, IsNil)
+ c.Assert(refs, HasLen, 2)
+ looseCount, err = dir.CountLooseRefs()
+ c.Assert(err, IsNil)
+ c.Assert(looseCount, Equals, 0)
+
+ ref, err = dir.Ref("refs/heads/foo")
+ c.Assert(err, IsNil)
+ c.Assert(ref, NotNil)
+ c.Assert(ref.Hash().String(), Equals, "b8d3ffab552895c19b9fcf7aa264d277cde33881")
+}
+
+func (s *SuiteDotGit) TestAlternates(c *C) {
+ tmp, err := ioutil.TempDir("", "dot-git")
+ c.Assert(err, IsNil)
+ defer os.RemoveAll(tmp)
+
+ // Create a new billy fs.
+ fs := osfs.New(tmp)
+
+ // Create a new dotgit object and initialize.
+ dir := New(fs)
+ err = dir.Initialize()
+ c.Assert(err, IsNil)
+
+ // Create alternates file.
+ altpath := filepath.Join("objects", "info", "alternates")
+ f, err := fs.Create(altpath)
+ c.Assert(err, IsNil)
+
+ // Multiple alternates.
+ var strContent string
+ if runtime.GOOS == "windows" {
+ strContent = "C:\\Users\\username\\repo1\\.git\\objects\r\n..\\..\\..\\rep2\\.git\\objects"
+ } else {
+ strContent = "/Users/username/rep1//.git/objects\n../../../rep2//.git/objects"
+ }
+ content := []byte(strContent)
+ f.Write(content)
+ f.Close()
+
+ dotgits, err := dir.Alternates()
+ c.Assert(err, IsNil)
+ if runtime.GOOS == "windows" {
+ c.Assert(dotgits[0].fs.Root(), Equals, "C:\\Users\\username\\repo1\\.git")
+ } else {
+ c.Assert(dotgits[0].fs.Root(), Equals, "/Users/username/rep1/.git")
+ }
+
+ // For relative path:
+ // /some/absolute/path/to/dot-git -> /some/absolute/path
+ pathx := strings.Split(tmp, string(filepath.Separator))
+ pathx = pathx[:len(pathx)-2]
+ // Use string.Join() to avoid malformed absolutepath on windows
+ // C:Users\\User\\... instead of C:\\Users\\appveyor\\... .
+ resolvedPath := strings.Join(pathx, string(filepath.Separator))
+ // Append the alternate path to the resolvedPath
+ expectedPath := filepath.Join(string(filepath.Separator), resolvedPath, "rep2", ".git")
+ if runtime.GOOS == "windows" {
+ expectedPath = filepath.Join(resolvedPath, "rep2", ".git")
+ }
+ c.Assert(dotgits[1].fs.Root(), Equals, expectedPath)
+}