Function TestObjectPoymorphism

object_test.go:8–79

(t *testing.T)

)

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")