Method deltaOverDeltaTest

plumbing/format/packfile/encoder_test.go:153–194

(c *C)

}

func (s *EncoderSuite) deltaOverDeltaTest(c *C) {
	srcObject := newObject(plumbing.BlobObject, []byte("0"))
	targetObject := newObject(plumbing.BlobObject, []byte("01"))
	otherTargetObject := newObject(plumbing.BlobObject, []byte("011111"))

	deltaObject, err := GetDelta(srcObject, targetObject)
	c.Assert(err, IsNil)
	c.Assert(deltaObject.Hash(), Not(Equals), plumbing.ZeroHash)

	otherDeltaObject, err := GetDelta(targetObject, otherTargetObject)
	c.Assert(err, IsNil)
	c.Assert(otherDeltaObject.Hash(), Not(Equals), plumbing.ZeroHash)

	srcToPack := newObjectToPack(srcObject)
	targetToPack := newObjectToPack(targetObject)
	encHash, err := s.enc.encode([]*ObjectToPack{
		targetToPack,
		srcToPack,
		newDeltaObjectToPack(srcToPack, targetObject, deltaObject),
		newDeltaObjectToPack(targetToPack, otherTargetObject, otherDeltaObject),
	})
	c.Assert(err, IsNil)

	p, cleanup := packfileFromReader(c, s.buf)
	defer cleanup()
	decHash, err := p.ID()
	c.Assert(err, IsNil)

	c.Assert(encHash, Equals, decHash)

	decSrc, err := p.Get(srcObject.Hash())
	c.Assert(err, IsNil)
	objectsEqual(c, decSrc, srcObject)

	decTarget, err := p.Get(targetObject.Hash())
	c.Assert(err, IsNil)
	objectsEqual(c, decTarget, targetObject)

	decOtherTarget, err := p.Get(otherTargetObject.Hash())
	c.Assert(err, IsNil)
	objectsEqual(c, decOtherTarget, otherTargetObject)
}

func (s *EncoderSuite) deltaOverDeltaCyclicTest(c *C) {
	o1 := newObject(plumbing.BlobObject, []byte("0"))