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package idxfile_test
import (
"bytes"
"encoding/base64"
"io/ioutil"
"gopkg.in/src-d/go-git.v4/plumbing"
"gopkg.in/src-d/go-git.v4/plumbing/format/idxfile"
"gopkg.in/src-d/go-git.v4/plumbing/format/packfile"
. "gopkg.in/check.v1"
"gopkg.in/src-d/go-git-fixtures.v3"
)
type WriterSuite struct {
fixtures.Suite
}
var _ = Suite(&WriterSuite{})
func (s *WriterSuite) TestWriter(c *C) {
f := fixtures.Basic().One()
scanner := packfile.NewScanner(f.Packfile())
obs := new(idxfile.Writer)
parser, err := packfile.NewParser(scanner, obs)
c.Assert(err, IsNil)
_, err = parser.Parse()
c.Assert(err, IsNil)
idx, err := obs.Index()
c.Assert(err, IsNil)
idxFile := f.Idx()
expected, err := ioutil.ReadAll(idxFile)
c.Assert(err, IsNil)
idxFile.Close()
buf := new(bytes.Buffer)
encoder := idxfile.NewEncoder(buf)
n, err := encoder.Encode(idx)
c.Assert(err, IsNil)
c.Assert(n, Equals, len(expected))
c.Assert(buf.Bytes(), DeepEquals, expected)
}
func (s *WriterSuite) TestWriterLarge(c *C) {
writer := new(idxfile.Writer)
err := writer.OnHeader(uint32(len(fixture4GbEntries)))
c.Assert(err, IsNil)
for _, o := range fixture4GbEntries {
err = writer.OnInflatedObjectContent(plumbing.NewHash(o.hash), o.offset, o.crc, nil)
c.Assert(err, IsNil)
}
err = writer.OnFooter(fixture4GbChecksum)
c.Assert(err, IsNil)
idx, err := writer.Index()
c.Assert(err, IsNil)
// load fixture index
f := bytes.NewBufferString(fixtureLarge4GB)
expected, err := ioutil.ReadAll(base64.NewDecoder(base64.StdEncoding, f))
c.Assert(err, IsNil)
buf := new(bytes.Buffer)
encoder := idxfile.NewEncoder(buf)
n, err := encoder.Encode(idx)
c.Assert(err, IsNil)
c.Assert(n, Equals, len(expected))
c.Assert(buf.Bytes(), DeepEquals, expected)
}
var (
fixture4GbChecksum = plumbing.NewHash("afabc2269205cf85da1bf7e2fdff42f73810f29b")
fixture4GbEntries = []struct {
offset int64
hash string
crc uint32
}{
{12, "303953e5aa461c203a324821bc1717f9b4fff895", 0xbc347c4c},
{142, "5296768e3d9f661387ccbff18c4dea6c997fd78c", 0xcdc22842},
{1601322837, "03fc8d58d44267274edef4585eaeeb445879d33f", 0x929dfaaa},
{2646996529, "8f3ceb4ea4cb9e4a0f751795eb41c9a4f07be772", 0xa61def8a},
{3452385606, "e0d1d625010087f79c9e01ad9d8f95e1628dda02", 0x06bea180},
{3707047470, "90eba326cdc4d1d61c5ad25224ccbf08731dd041", 0x7193f3ba},
{5323223332, "bab53055add7bc35882758a922c54a874d6b1272", 0xac269b8e},
{5894072943, "1b8995f51987d8a449ca5ea4356595102dc2fbd4", 0x2187c056},
{5924278919, "35858be9c6f5914cbe6768489c41eb6809a2bceb", 0x9c89d9d2},
}
)
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