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