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package cache
import (
"io"
"testing"
"gopkg.in/src-d/go-git.v4/plumbing"
. "gopkg.in/check.v1"
)
func Test(t *testing.T) { TestingT(t) }
type ObjectSuite struct {
c *ObjectFIFO
aObject plumbing.EncodedObject
bObject plumbing.EncodedObject
cObject plumbing.EncodedObject
dObject plumbing.EncodedObject
}
var _ = Suite(&ObjectSuite{})
func (s *ObjectSuite) SetUpTest(c *C) {
s.aObject = newObject("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 1*Byte)
s.bObject = newObject("bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb", 3*Byte)
s.cObject = newObject("cccccccccccccccccccccccccccccccccccccccc", 1*Byte)
s.dObject = newObject("dddddddddddddddddddddddddddddddddddddddd", 1*Byte)
s.c = NewObjectFIFO(2 * Byte)
}
func (s *ObjectSuite) TestAdd_SameObject(c *C) {
s.c.Put(s.aObject)
c.Assert(s.c.actualSize, Equals, 1*Byte)
s.c.Put(s.aObject)
c.Assert(s.c.actualSize, Equals, 1*Byte)
}
func (s *ObjectSuite) TestAdd_BigObject(c *C) {
s.c.Put(s.bObject)
c.Assert(s.c.actualSize, Equals, 0*Byte)
c.Assert(s.c.actualSize, Equals, 0*KiByte)
c.Assert(s.c.actualSize, Equals, 0*MiByte)
c.Assert(s.c.actualSize, Equals, 0*GiByte)
c.Assert(len(s.c.objects), Equals, 0)
}
func (s *ObjectSuite) TestAdd_CacheOverflow(c *C) {
s.c.Put(s.aObject)
c.Assert(s.c.actualSize, Equals, 1*Byte)
s.c.Put(s.cObject)
c.Assert(len(s.c.objects), Equals, 2)
s.c.Put(s.dObject)
c.Assert(len(s.c.objects), Equals, 2)
obj, ok := s.c.Get(s.aObject.Hash())
c.Assert(ok, Equals, false)
c.Assert(obj, IsNil)
obj, ok = s.c.Get(s.cObject.Hash())
c.Assert(ok, Equals, true)
c.Assert(obj, NotNil)
obj, ok = s.c.Get(s.dObject.Hash())
c.Assert(ok, Equals, true)
c.Assert(obj, NotNil)
}
func (s *ObjectSuite) TestClear(c *C) {
s.c.Put(s.aObject)
c.Assert(s.c.actualSize, Equals, 1*Byte)
s.c.Clear()
c.Assert(s.c.actualSize, Equals, 0*Byte)
obj, ok := s.c.Get(s.aObject.Hash())
c.Assert(ok, Equals, false)
c.Assert(obj, IsNil)
}
type dummyObject struct {
hash plumbing.Hash
size FileSize
}
func newObject(hash string, size FileSize) plumbing.EncodedObject {
return &dummyObject{
hash: plumbing.NewHash(hash),
size: size,
}
}
func (d *dummyObject) Hash() plumbing.Hash { return d.hash }
func (*dummyObject) Type() plumbing.ObjectType { return plumbing.InvalidObject }
func (*dummyObject) SetType(plumbing.ObjectType) {}
func (d *dummyObject) Size() int64 { return int64(d.size) }
func (*dummyObject) SetSize(s int64) {}
func (*dummyObject) Reader() (io.ReadCloser, error) { return nil, nil }
func (*dummyObject) Writer() (io.WriteCloser, error) { return nil, nil }
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