// Test_readCommits will compare the commit output of
// git and ggit for a string of commits.
func Test_readTree(t *testing.T) {
testCase := test.TreeDiff
repo := api.Open(testCase.Repo())
info, _ := testCase.Info().(*test.InfoTreeDiff)
oid := objects.OidNow(info.TreeOid1)
o, err := repo.ObjectFromOid(oid)
util.AssertNoErr(t, err)
// get the tree
tree1, _ := o.(*objects.Tree)
oid = objects.OidNow(info.TreeOid2)
o, err = repo.ObjectFromOid(oid)
util.AssertNoErr(t, err)
// get the tree
tree2, _ := o.(*objects.Tree)
diff, err := NewTreeDiffer(repo, NewBlobComparator()).Diff(tree1, tree2)
modified := diff.Modified()
if len(modified) != 1 {
t.Errorf("expected 1 modification in the tree diff. got %d", len(modified))
}
edit := modified[0]
before, after := edit.Before, edit.After
beforeOid, afterOid := before.ObjectId(), after.ObjectId()
beforeName := before.Name()
if beforeName != info.ModifiedFileName {
t.Errorf("expected modified file name to be [%s], but got [%s]", info.ModifiedFileName, beforeName)
}
if beforeOid.String() != info.ModifiedFileBeforeOid {
t.Errorf("expected modified file's initial id to be [%s], but got [%s]", info.ModifiedFileBeforeOid, beforeOid)
}
if afterOid.String() != info.ModifiedFileAfterOid {
t.Errorf("expected modified file's initial id to be [%s], but got [%s]", info.ModifiedFileAfterOid, afterOid)
}
deleted := diff.Deleted()
util.Assert(t, len(deleted) == 1, fmt.Sprintf("expected 1 file to be deleted, got [%d]", len(deleted)))
entry := deleted[0]
deletedName, deletedOid := entry.Name(), entry.ObjectId().String()
if deletedName != info.RemovedFileName {
t.Errorf("expected deleted file's name to be [%s], but got [%s]", info.RemovedFileName, deletedName)
}
if deletedOid != info.RemovedFileOid {
t.Errorf("expected deleted file's id to be [%s], but got [%s]", info.RemovedFileOid, deletedOid)
}
}
func Test_revParse__secondAncestor(t *testing.T) {
testCase := test.Linear
repo := Open(testCase.Repo())
info := testCase.Info().(*test.InfoLinear)
util.Assert(t, info.N > 2)
util.Assert(t, len(info.Commits) == info.N)
// test the first, parentless commit
for i, c := range info.Commits[2:] {
oid, expOid := objects.OidNow(c.CommitOid), objects.OidNow(info.Commits[i].CommitOid)
testSecondAncestor(t, repo, oid, expOid)
testSecondAncestorVariations(t, repo, oid, expOid)
}
}
func packedCommitOid() (repo Repository, oid *objects.ObjectId) {
testRepo := test.LinearPacked
info := testRepo.Info().(*test.InfoLinearPacked)
repo = Open(testRepo.Repo())
oid = objects.OidNow(info.Commits[1].CommitOid)
return
}
func packedBlobOid() (repo Repository, oid *objects.ObjectId) {
testRepo := test.DerefsPacked
info := testRepo.Info().(*test.InfoDerefsPacked)
repo = Open(testRepo.Repo())
oid = objects.OidNow(info.BlobOid)
return
}
func Benchmark__readPackedTreeByOid(b *testing.B) {
b.StopTimer()
repo, info := packedDerefs()
oid := objects.OidNow(info.TreeOid)
for i := 0; i < b.N; i++ {
objectFromOid(b, repo, oid)
}
}
func Test_revParse__derefs(t *testing.T) {
testCase := test.Derefs
repo := Open(testCase.Repo())
info := testCase.Info().(*test.InfoDerefs)
commitOid := objects.OidNow(info.CommitOid)
tagOid := objects.OidNow(info.TagOid)
treeOid := objects.OidNow(info.TreeOid)
testObjectExpected(t, repo, "HEAD", commitOid, objects.ObjectCommit)
testObjectExpected(t, repo, "HEAD^{commit}", commitOid, objects.ObjectCommit)
testObjectExpected(t, repo, "HEAD^{tree}", treeOid, objects.ObjectTree)
testObjectExpected(t, repo, "HEAD^{commit}^{tree}", treeOid, objects.ObjectTree)
testObjectExpected(t, repo, info.TagName, tagOid, objects.ObjectTag)
testObjectExpected(t, repo, info.TagName+"^{commit}", commitOid, objects.ObjectCommit)
testObjectExpected(t, repo, info.TagName+"^{commit}^{tree}", treeOid, objects.ObjectTree)
}
func Test_revParse__firstParent(t *testing.T) {
testCase := test.Linear
repo := Open(testCase.Repo())
info := testCase.Info().(*test.InfoLinear)
util.Assert(t, info.N > 1)
util.Assert(t, len(info.Commits) == info.N)
// test the first, parentless commit
testParentlessCommit(t, repo, objects.OidNow(info.Commits[0].CommitOid))
for _, c := range info.Commits[1:] {
oid, expOid := objects.OidNow(c.CommitOid), objects.OidNow(c.ParentOid)
testShortOid(t, repo, oid)
testFirstParent(t, repo, oid, expOid)
testFirstParentVariations(t, repo, oid, expOid)
}
}
func Benchmark__derefPackedTreeFromCommit(b *testing.B) {
b.StopTimer()
repo, info := packedDerefs()
oid := objects.OidNow(info.CommitOid)
rev := oid.String() + "^{tree}"
for i := 0; i < b.N; i++ {
objectFromRev(b, repo, rev)
}
}
func justTag() (Repository, *objects.Tag) {
repo, info := packedDerefs()
tagOid := objects.OidNow(info.TagOid)
o, err := repo.ObjectFromOid(tagOid)
if err != nil {
panic(err)
}
return repo, o.(*objects.Tag)
}
func Benchmark__oidToString(b *testing.B) {
b.StopTimer()
const oidStr = "fb5b685ca75023e129b2f3c8172a7a166ad4dca8"
for i := 0; i < b.N; i++ {
oid := objects.OidNow(oidStr)
b.StartTimer()
oid.String()
b.StopTimer()
}
}
func Test_revParse__zeros(t *testing.T) {
testCase := test.Linear
repo := Open(testCase.Repo())
info := testCase.Info().(*test.InfoLinear)
util.Assert(t, info.N > 0)
util.Assert(t, len(info.Commits) == info.N)
// test the first, parentless commit
for _, c := range info.Commits {
oid := objects.OidNow(c.CommitOid)
testZeros(t, repo, oid)
}
}
func Test_makeHash(t *testing.T) {
testRepo := test.DerefsPacked
repo := Open(testRepo.Repo())
info := testRepo.Info().(*test.InfoDerefsPacked)
tagOid := objects.OidNow(info.TagOid)
o, err := repo.ObjectFromOid(tagOid)
if err != nil {
panic(err)
}
if h, err := MakeHash(o); err != nil {
panic(err)
} else {
oid := objects.OidFromHash(h)
util.Assert(t, oid.String() == tagOid.String())
}
}
// Test_readCommits will compare the commit output of
// git and ggit for a string of commits.
func Test_readTree(t *testing.T) {
testCase := test.Tree
repo := Open(testCase.Repo())
info := testCase.Info().(*test.InfoTree)
f := format.NewStrFormat()
var (
oid = objects.OidNow(info.TreeOid)
)
o, err := repo.ObjectFromOid(oid)
util.AssertNoErr(t, err)
// check the id
util.Assert(t, o.ObjectId().String() == info.TreeOid)
// check the header
util.Assert(t, o.Header().Type() == objects.ObjectTree)
util.AssertEqualInt(t, int(o.Header().Size()), info.TreeSize)
// get the tree
// now convert to a tag and check the fields
var tree *objects.Tree
util.AssertPanicFree(t, func() {
tree = o.(*objects.Tree)
})
// check entries
entries := tree.Entries()
util.AssertEqualInt(t, info.N, len(entries))
util.Assert(t, info.N > 2)
// check a file
file := entries[0]
util.AssertEqualString(t, info.File1Oid, file.ObjectId().String())
util.Assert(t, file.Mode() == objects.ModeBlob)
// TODO: add checks for type, etc.
// check the output
// check the whole representation, which will catch
// most of the other stuff
f.Reset()
f.Object(o)
util.AssertEqualString(t, info.TreeRepr, f.String())
}
// this test implements basic blob reading from
// a git repository.
func Test_readBlobs(t *testing.T) {
testRepo := test.Blobs
repo := Open(testRepo.Repo())
info := testRepo.Info().(*test.InfoBlobs)
if len(info.Blobs) < 1 {
fmt.Println("warning: no blobs to test")
}
for _, detail := range info.Blobs {
// read the blob
oid := objects.OidNow(detail.Oid)
o, err := repo.ObjectFromOid(oid)
util.AssertNoErr(t, err)
util.Assert(t, o.Header().Type() == objects.ObjectBlob)
b := o.(*objects.Blob)
util.AssertEqualString(t, string(b.Data()), detail.Contents)
util.AssertEqualInt(t, int(b.Header().Size()), len(detail.Contents))
}
}
func Benchmark__oidFromString(b *testing.B) {
for i := 0; i < b.N; i++ {
objects.OidNow("fb5b685ca75023e129b2f3c8172a7a166ad4dca8")
}
}
func Test_refPaths(t *testing.T) {
testRepo := test.Refs
repo := Open(testRepo.Repo())
info := testRepo.Info().(*test.InfoRefs)
var (
oid = objects.OidNow(info.CommitOid)
tagOid = objects.OidNow(info.AnnTagOid)
master = "refs/heads/master"
branch = expandHeadRef(info.BranchName)
annTag = expandTagRef(info.AnnTagName)
lightTag = expandTagRef(info.LightTagName)
)
// test reading these full path refs directly from
// the repository files, loose or packed
testRefPathPeeled(t, repo, master, oid)
testRefPathPeeled(t, repo, branch, oid)
testRefPathPeeled(t, repo, annTag, tagOid)
testRefPathPeeled(t, repo, lightTag, oid)
// test reading symbolic refs and asserting that the
// targets are in fact symbols and are correct
testRefPathSymbolic(t, repo, info.SymbolicRef1, info.SymbolicRef1Target)
testRefPathSymbolic(t, repo, info.SymbolicRef2, info.SymbolicRef2Target)
testRefPathSymbolic(t, repo, "HEAD", master)
// test that packed refs have correct commit
// dereferencing information stored in the packed-refs file
testPackedTagDerefInfo(t, repo, annTag, oid)
// test ref peeling
testPeelRef(t, repo, master, oid)
testPeelRef(t, repo, branch, oid)
testPeelRef(t, repo, info.SymbolicRef1, oid)
testPeelRef(t, repo, info.SymbolicRef2, oid)
// make sure we read loose refs correctly
testRefRetrieval(t, repo, func() ([]objects.Ref, error) {
return repo.LooseRefs()
}, []string{master, branch})
// make sure we read packed refs correctly
testRefRetrieval(t, repo, func() ([]objects.Ref, error) {
return repo.PackedRefs()
}, []string{annTag, lightTag})
// make sure we get all refs correctly
testRefRetrieval(t, repo, func() ([]objects.Ref, error) {
return repo.Refs()
}, []string{master, branch, annTag, lightTag})
// test non existent refs
testNonexistent(t, repo)
// test resolution of short refs
testShortRefResolvesPeeled(t, repo, "master", oid)
testShortRefResolvesPeeled(t, repo, info.BranchName, oid)
testShortRefResolvesPeeled(t, repo, info.AnnTagName, tagOid)
testShortRefResolvesPeeled(t, repo, info.LightTagName, oid)
testShortRefResolvesSymbolic(t, repo, "HEAD", master, oid)
testShortRefResolvesSymbolic(t, repo, info.SymbolicRef1, info.SymbolicRef1Target, oid)
testShortRefResolvesSymbolic(t, repo, info.SymbolicRef2, info.SymbolicRef2Target, oid)
}