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package git
import (
"os"
"testing"
)
func TestObjectPoymorphism(t *testing.T) {
repo := createTestRepo(t)
defer os.RemoveAll(repo.Workdir())
commitId, treeId := seedTestRepo(t, repo)
var obj Object
commit, err := repo.LookupCommit(commitId)
checkFatal(t, err)
obj = commit
if obj.Type() != OBJ_COMMIT {
t.Fatalf("Wrong object type, expected commit, have %v", obj.Type())
}
tree, err := repo.LookupTree(treeId)
checkFatal(t, err)
obj = tree
if obj.Type() != OBJ_TREE {
t.Fatalf("Wrong object type, expected tree, have %v", obj.Type())
}
tree2, ok := obj.(*Tree)
if !ok {
t.Fatalf("Converting back to *Tree is not ok")
}
if tree2.EntryByName("README") == nil {
t.Fatalf("Tree did not have expected \"README\" entry")
}
_, ok = obj.(*Commit)
if ok {
t.Fatalf("*Tree is somehow the same as *Commit")
}
obj, err = repo.Lookup(tree.Id())
checkFatal(t, err)
_, ok = obj.(*Tree)
if !ok {
t.Fatalf("Lookup creates the wrong type")
}
if obj.Type() != OBJ_TREE {
t.Fatalf("Type() doesn't agree with dynamic type")
}
obj, err = repo.RevparseSingle("HEAD")
checkFatal(t, err)
if obj.Type() != OBJ_COMMIT || 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() != OBJ_TREE || obj.Id().String() != tree.Id().String() {
t.Fatalf("Failed to parse the right revision")
}
}
|
