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package git
import (
"os"
"runtime"
"sort"
"testing"
"time"
)
func TestRefModification(t *testing.T) {
repo := createTestRepo(t)
defer os.RemoveAll(repo.Workdir())
commitId, treeId := seedTestRepo(t, repo)
_, err := repo.CreateReference("refs/tags/tree", treeId, true)
checkFatal(t, err)
tag, err := repo.LookupReference("refs/tags/tree")
checkFatal(t, err)
checkRefType(t, tag, ReferenceOid)
ref, err := repo.LookupReference("HEAD")
checkFatal(t, err)
checkRefType(t, ref, ReferenceSymbolic)
if target := ref.Target(); target != nil {
t.Fatalf("Expected nil *Oid, got %v", target)
}
ref, err = ref.Resolve()
checkFatal(t, err)
checkRefType(t, ref, ReferenceOid)
if target := ref.Target(); target == nil {
t.Fatalf("Expected valid target got nil")
}
if target := ref.SymbolicTarget(); target != "" {
t.Fatalf("Expected empty string, got %v", target)
}
if commitId.String() != ref.Target().String() {
t.Fatalf("Wrong ref target")
}
_, err = tag.Rename("refs/tags/renamed", false)
checkFatal(t, err)
tag, err = repo.LookupReference("refs/tags/renamed")
checkFatal(t, err)
checkRefType(t, ref, ReferenceOid)
}
func TestIterator(t *testing.T) {
repo := createTestRepo(t)
defer os.RemoveAll(repo.Workdir())
loc, err := time.LoadLocation("Europe/Berlin")
checkFatal(t, err)
sig := &Signature{
Name: "Rand Om Hacker",
Email: "[email protected]",
When: time.Date(2013, 03, 06, 14, 30, 0, 0, loc),
}
idx, err := repo.Index()
checkFatal(t, err)
err = idx.AddByPath("README")
checkFatal(t, err)
treeId, err := idx.WriteTree()
checkFatal(t, err)
message := "This is a commit\n"
tree, err := repo.LookupTree(treeId)
checkFatal(t, err)
commitId, err := repo.CreateCommit("HEAD", sig, sig, message, tree)
checkFatal(t, err)
_, err = repo.CreateReference("refs/heads/one", commitId, true)
checkFatal(t, err)
_, err = repo.CreateReference("refs/heads/two", commitId, true)
checkFatal(t, err)
_, err = repo.CreateReference("refs/heads/three", commitId, true)
checkFatal(t, err)
iter, err := repo.NewReferenceIterator()
checkFatal(t, err)
var list []string
expected := []string{
"refs/heads/master",
"refs/heads/one",
"refs/heads/three",
"refs/heads/two",
}
// test some manual iteration
name, err := iter.NextName()
for err == nil {
list = append(list, name)
name, err = iter.NextName()
}
if err != ErrIterOver {
t.Fatal("Iteration not over")
}
sort.Strings(list)
compareStringList(t, expected, list)
// test the channel iteration
list = []string{}
iter, err = repo.NewReferenceIterator()
for name := range iter.NameIter() {
list = append(list, name)
}
sort.Strings(list)
compareStringList(t, expected, list)
iter, err = repo.NewReferenceIteratorGlob("refs/heads/t*")
expected = []string{
"refs/heads/three",
"refs/heads/two",
}
list = []string{}
for name := range iter.NameIter() {
list = append(list, name)
}
compareStringList(t, expected, list)
}
func compareStringList(t *testing.T, expected, actual []string) {
for i, v := range expected {
if actual[i] != v {
t.Fatalf("Bad list")
}
}
}
func checkRefType(t *testing.T, ref *Reference, kind ReferenceType) {
if ref.Type() == kind {
return
}
// The failure happens at wherever we were called, not here
_, file, line, ok := runtime.Caller(1)
if !ok {
t.Fatal()
}
t.Fatalf("Wrong ref type at %v:%v; have %v, expected %v", file, line, ref.Type(), kind)
}
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