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-rw-r--r--storage/filesystem/internal/dotgit/dotgit_test.go21
1 files changed, 18 insertions, 3 deletions
diff --git a/storage/filesystem/internal/dotgit/dotgit_test.go b/storage/filesystem/internal/dotgit/dotgit_test.go
index d1b04a7..446a204 100644
--- a/storage/filesystem/internal/dotgit/dotgit_test.go
+++ b/storage/filesystem/internal/dotgit/dotgit_test.go
@@ -55,10 +55,11 @@ func (s *SuiteDotGit) TestSetRefs(c *C) {
fs := osfs.New(tmp)
dir := New(fs)
- err = dir.SetRef(plumbing.NewReferenceFromStrings(
+ firstFoo := plumbing.NewReferenceFromStrings(
"refs/heads/foo",
"e8d3ffab552895c19b9fcf7aa264d277cde33881",
- ), nil)
+ )
+ err = dir.SetRef(firstFoo, nil)
c.Assert(err, IsNil)
@@ -105,6 +106,20 @@ func (s *SuiteDotGit) TestSetRefs(c *C) {
c.Assert(ref, NotNil)
c.Assert(ref.Hash().String(), Equals, "e8d3ffab552895c19b9fcf7aa264d277cde33881")
+ // Check that SetRef with a non-nil `old` works.
+ err = dir.SetRef(plumbing.NewReferenceFromStrings(
+ "refs/heads/foo",
+ "6ecf0ef2c2dffb796033e5a02219af86ec6584e5",
+ ), firstFoo)
+ c.Assert(err, IsNil)
+
+ // `firstFoo` is no longer the right `old` reference, so this
+ // should fail.
+ err = dir.SetRef(plumbing.NewReferenceFromStrings(
+ "refs/heads/foo",
+ "6ecf0ef2c2dffb796033e5a02219af86ec6584e5",
+ ), firstFoo)
+ c.Assert(err, NotNil)
}
func (s *SuiteDotGit) TestRefsFromPackedRefs(c *C) {
@@ -192,7 +207,7 @@ func (s *SuiteDotGit) TestRemoveRefFromReferenceFileAndPackedRefs(c *C) {
err := dir.SetRef(plumbing.NewReferenceFromStrings(
"refs/remotes/origin/branch",
"e8d3ffab552895c19b9fcf7aa264d277cde33881",
- ))
+ ), nil)
// Make sure it only appears once in the refs list.
refs, err := dir.Refs()