diff options
Diffstat (limited to 'plumbing/format/packfile/encoder_test.go')
| -rw-r--r-- | plumbing/format/packfile/encoder_test.go | 81 |
1 files changed, 77 insertions, 4 deletions
diff --git a/plumbing/format/packfile/encoder_test.go b/plumbing/format/packfile/encoder_test.go index f40517d..320036b 100644 --- a/plumbing/format/packfile/encoder_test.go +++ b/plumbing/format/packfile/encoder_test.go @@ -106,6 +106,16 @@ func (s *EncoderSuite) TestDecodeEncodeWithDeltasDecodeOFS(c *C) { s.deltaOverDeltaTest(c) } +func (s *EncoderSuite) TestDecodeEncodeWithCycleREF(c *C) { + s.enc = NewEncoder(s.buf, s.store, true) + s.deltaOverDeltaCyclicTest(c) +} + +func (s *EncoderSuite) TestDecodeEncodeWithCycleOFS(c *C) { + s.enc = NewEncoder(s.buf, s.store, false) + s.deltaOverDeltaCyclicTest(c) +} + func (s *EncoderSuite) simpleDeltaTest(c *C) { srcObject := newObject(plumbing.BlobObject, []byte("0")) targetObject := newObject(plumbing.BlobObject, []byte("01")) @@ -114,7 +124,7 @@ func (s *EncoderSuite) simpleDeltaTest(c *C) { c.Assert(err, IsNil) srcToPack := newObjectToPack(srcObject) - _, err = s.enc.encode([]*ObjectToPack{ + encHash, err := s.enc.encode([]*ObjectToPack{ srcToPack, newDeltaObjectToPack(srcToPack, targetObject, deltaObject), }) @@ -126,9 +136,11 @@ func (s *EncoderSuite) simpleDeltaTest(c *C) { d, err := NewDecoder(scanner, storage) c.Assert(err, IsNil) - _, err = d.Decode() + decHash, err := d.Decode() c.Assert(err, IsNil) + c.Assert(encHash, Equals, decHash) + decSrc, err := storage.EncodedObject(srcObject.Type(), srcObject.Hash()) c.Assert(err, IsNil) c.Assert(decSrc, DeepEquals, srcObject) @@ -153,7 +165,8 @@ func (s *EncoderSuite) deltaOverDeltaTest(c *C) { srcToPack := newObjectToPack(srcObject) targetToPack := newObjectToPack(targetObject) - _, err = s.enc.encode([]*ObjectToPack{ + encHash, err := s.enc.encode([]*ObjectToPack{ + targetToPack, srcToPack, newDeltaObjectToPack(srcToPack, targetObject, deltaObject), newDeltaObjectToPack(targetToPack, otherTargetObject, otherDeltaObject), @@ -165,9 +178,11 @@ func (s *EncoderSuite) deltaOverDeltaTest(c *C) { d, err := NewDecoder(scanner, storage) c.Assert(err, IsNil) - _, err = d.Decode() + decHash, err := d.Decode() c.Assert(err, IsNil) + c.Assert(encHash, Equals, decHash) + decSrc, err := storage.EncodedObject(srcObject.Type(), srcObject.Hash()) c.Assert(err, IsNil) c.Assert(decSrc, DeepEquals, srcObject) @@ -180,3 +195,61 @@ func (s *EncoderSuite) deltaOverDeltaTest(c *C) { c.Assert(err, IsNil) c.Assert(decOtherTarget, DeepEquals, otherTargetObject) } + +func (s *EncoderSuite) deltaOverDeltaCyclicTest(c *C) { + o1 := newObject(plumbing.BlobObject, []byte("0")) + o2 := newObject(plumbing.BlobObject, []byte("01")) + o3 := newObject(plumbing.BlobObject, []byte("011111")) + o4 := newObject(plumbing.BlobObject, []byte("01111100000")) + + d2, err := GetDelta(o1, o2) + c.Assert(err, IsNil) + + d3, err := GetDelta(o4, o3) + c.Assert(err, IsNil) + + d4, err := GetDelta(o3, o4) + c.Assert(err, IsNil) + + po1 := newObjectToPack(o1) + pd2 := newDeltaObjectToPack(po1, o2, d2) + pd3 := newObjectToPack(o3) + pd4 := newObjectToPack(o4) + + pd3.SetDelta(pd4, d3) + pd4.SetDelta(pd3, d4) + + encHash, err := s.enc.encode([]*ObjectToPack{ + po1, + pd2, + pd3, + pd4, + }) + c.Assert(err, IsNil) + + scanner := NewScanner(s.buf) + storage := memory.NewStorage() + d, err := NewDecoder(scanner, storage) + c.Assert(err, IsNil) + + decHash, err := d.Decode() + c.Assert(err, IsNil) + + c.Assert(encHash, Equals, decHash) + + decSrc, err := storage.EncodedObject(o1.Type(), o1.Hash()) + c.Assert(err, IsNil) + c.Assert(decSrc, DeepEquals, o1) + + decTarget, err := storage.EncodedObject(o2.Type(), o2.Hash()) + c.Assert(err, IsNil) + c.Assert(decTarget, DeepEquals, o2) + + decOtherTarget, err := storage.EncodedObject(o3.Type(), o3.Hash()) + c.Assert(err, IsNil) + c.Assert(decOtherTarget, DeepEquals, o3) + + decAnotherTarget, err := storage.EncodedObject(o4.Type(), o4.Hash()) + c.Assert(err, IsNil) + c.Assert(decAnotherTarget, DeepEquals, o4) +} |