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package idxfile
import (
"bytes"
"fmt"
"testing"
. "gopkg.in/check.v1"
"github.com/src-d/go-git-fixtures"
"gopkg.in/src-d/go-git.v4/plumbing/format/packfile"
"gopkg.in/src-d/go-git.v4/storage/memory"
)
func Test(t *testing.T) { TestingT(t) }
type IdxfileSuite struct {
fixtures.Suite
}
var _ = Suite(&IdxfileSuite{})
func (s *IdxfileSuite) TestDecode(c *C) {
f := fixtures.Basic().One()
d := NewDecoder(f.Idx())
idx := &Idxfile{}
err := d.Decode(idx)
c.Assert(err, IsNil)
c.Assert(idx.Entries, HasLen, 31)
c.Assert(idx.Entries[0].Hash.String(), Equals, "1669dce138d9b841a518c64b10914d88f5e488ea")
c.Assert(idx.Entries[0].Offset, Equals, uint64(615))
c.Assert(idx.Entries[0].CRC32, Equals, uint32(3645019190))
c.Assert(fmt.Sprintf("%x", idx.IdxChecksum), Equals, "fb794f1ec720b9bc8e43257451bd99c4be6fa1c9")
c.Assert(fmt.Sprintf("%x", idx.PackfileChecksum), Equals, f.PackfileHash.String())
}
func (s *IdxfileSuite) TestDecodeCRCs(c *C) {
f := fixtures.Basic().ByTag("ofs-delta").One()
scanner := packfile.NewScanner(f.Packfile())
storage := memory.NewStorage()
pd, err := packfile.NewDecoder(scanner, storage)
c.Assert(err, IsNil)
_, err = pd.Decode()
c.Assert(err, IsNil)
i := &Idxfile{Version: VersionSupported}
offsets := pd.Offsets()
for h, crc := range pd.CRCs() {
i.Add(h, uint64(offsets[h]), crc)
}
buf := bytes.NewBuffer(nil)
e := NewEncoder(buf)
_, err = e.Encode(i)
c.Assert(err, IsNil)
idx := &Idxfile{}
d := NewDecoder(buf)
err = d.Decode(idx)
c.Assert(err, IsNil)
c.Assert(idx.Entries, DeepEquals, i.Entries)
}
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