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|
package git
import (
"strings"
"testing"
)
func TestObjectPoymorphism(t *testing.T) {
t.Parallel()
repo := createTestRepo(t)
defer cleanupTestRepo(t, repo)
commitId, treeId := seedTestRepo(t, repo)
var obj *Object
commit, err := repo.LookupCommit(commitId)
checkFatal(t, err)
obj = &commit.Object
if obj.Type() != ObjectCommit {
t.Fatalf("Wrong object type, expected commit, have %v", obj.Type())
}
commitTree, err := commit.Tree()
checkFatal(t, err)
commitTree.EntryCount()
tree, err := repo.LookupTree(treeId)
checkFatal(t, err)
obj = &tree.Object
if obj.Type() != ObjectTree {
t.Fatalf("Wrong object type, expected tree, have %v", obj.Type())
}
tree2, err := obj.AsTree()
if err != nil {
t.Fatalf("Converting back to *Tree is not ok")
}
entry := tree2.EntryByName("README")
if entry == nil {
t.Fatalf("Tree did not have expected \"README\" entry")
}
if entry.Filemode != FilemodeBlob {
t.Fatal("Wrong filemode for \"README\"")
}
_, err = obj.AsCommit()
if err == nil {
t.Fatalf("*Tree is somehow the same as *Commit")
}
obj, err = repo.Lookup(tree.Id())
checkFatal(t, err)
_, err = obj.AsTree()
if err != nil {
t.Fatalf("Lookup creates the wrong type")
}
if obj.Type() != ObjectTree {
t.Fatalf("Type() doesn't agree with dynamic type")
}
obj, err = repo.RevparseSingle("HEAD")
checkFatal(t, err)
if obj.Type() != ObjectCommit || obj.Id().String() != commit.Id().String() {
t.Fatalf("Failed to parse the right revision")
}
obj, err = repo.RevparseSingle("HEAD^{tree}")
checkFatal(t, err)
if obj.Type() != ObjectTree || obj.Id().String() != tree.Id().String() {
t.Fatalf("Failed to parse the right revision")
}
}
func checkOwner(t *testing.T, repo *Repository, obj Object) {
owner := obj.Owner()
if owner == nil {
t.Fatal("bad owner")
}
if owner.ptr != repo.ptr {
t.Fatalf("bad owner, got %v expected %v\n", owner.ptr, repo.ptr)
}
}
func TestObjectOwner(t *testing.T) {
t.Parallel()
repo := createTestRepo(t)
defer cleanupTestRepo(t, repo)
commitId, treeId := seedTestRepo(t, repo)
commit, err := repo.LookupCommit(commitId)
checkFatal(t, err)
tree, err := repo.LookupTree(treeId)
checkFatal(t, err)
checkOwner(t, repo, commit.Object)
checkOwner(t, repo, tree.Object)
}
func checkShortId(t *testing.T, Id, shortId string) {
if len(shortId) < 7 || len(shortId) >= len(Id) {
t.Fatalf("bad shortId length %d", len(shortId))
}
if !strings.HasPrefix(Id, shortId) {
t.Fatalf("bad shortId, should be prefix of %s, but is %s\n", Id, shortId)
}
}
func TestObjectShortId(t *testing.T) {
t.Parallel()
repo := createTestRepo(t)
defer cleanupTestRepo(t, repo)
commitId, _ := seedTestRepo(t, repo)
commit, err := repo.LookupCommit(commitId)
checkFatal(t, err)
shortId, err := commit.ShortId()
checkFatal(t, err)
checkShortId(t, commitId.String(), shortId)
}
func TestObjectPeel(t *testing.T) {
t.Parallel()
repo := createTestRepo(t)
defer cleanupTestRepo(t, repo)
commitID, treeID := seedTestRepo(t, repo)
var obj *Object
commit, err := repo.LookupCommit(commitID)
checkFatal(t, err)
obj, err = commit.Peel(ObjectAny)
checkFatal(t, err)
if obj.Type() != ObjectTree {
t.Fatalf("Wrong object type when peeling a commit, expected tree, have %v", obj.Type())
}
obj, err = commit.Peel(ObjectTag)
if !IsErrorCode(err, ErrorCodeInvalidSpec) {
t.Fatalf("Wrong error when peeling a commit to a tag, expected ErrorCodeInvalidSpec, have %v", err)
}
tree, err := repo.LookupTree(treeID)
checkFatal(t, err)
obj, err = tree.Peel(ObjectAny)
if !IsErrorCode(err, ErrorCodeInvalidSpec) {
t.Fatalf("Wrong error when peeling a tree, expected ErrorCodeInvalidSpec, have %v", err)
}
entry := tree.EntryByName("README")
blob, err := repo.LookupBlob(entry.Id)
checkFatal(t, err)
obj, err = blob.Peel(ObjectAny)
if !IsErrorCode(err, ErrorCodeInvalidSpec) {
t.Fatalf("Wrong error when peeling a blob, expected ErrorCodeInvalidSpec, have %v", err)
}
tagID := createTestTag(t, repo, commit)
tag, err := repo.LookupTag(tagID)
checkFatal(t, err)
obj, err = tag.Peel(ObjectAny)
checkFatal(t, err)
if obj.Type() != ObjectCommit {
t.Fatalf("Wrong object type when peeling a tag, expected commit, have %v", obj.Type())
}
// TODO: Should test a tag that annotates a different object than a commit
// but it's impossible at the moment to tag such an object.
}
|
