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|
package advrefs_test
import (
"bytes"
"strings"
"gopkg.in/src-d/go-git.v4/core"
"gopkg.in/src-d/go-git.v4/formats/packp"
"gopkg.in/src-d/go-git.v4/formats/packp/advrefs"
"gopkg.in/src-d/go-git.v4/formats/packp/pktline"
. "gopkg.in/check.v1"
)
type SuiteEncoder struct{}
var _ = Suite(&SuiteEncoder{})
// returns a byte slice with the pkt-lines for the given payloads.
func pktlines(c *C, payloads ...[]byte) []byte {
var buf bytes.Buffer
e := pktline.NewEncoder(&buf)
err := e.Encode(payloads...)
c.Assert(err, IsNil, Commentf("building pktlines for %v\n", payloads))
return buf.Bytes()
}
func testEncode(c *C, input *advrefs.AdvRefs, expected []byte) {
var buf bytes.Buffer
e := advrefs.NewEncoder(&buf)
err := e.Encode(input)
c.Assert(err, IsNil)
obtained := buf.Bytes()
comment := Commentf("\nobtained = %s\nexpected = %s\n", string(obtained), string(expected))
c.Assert(obtained, DeepEquals, expected, comment)
}
func (s *SuiteEncoder) TestZeroValue(c *C) {
ar := &advrefs.AdvRefs{}
expected := pktlines(c,
[]byte("0000000000000000000000000000000000000000 capabilities^{}\x00\n"),
pktline.Flush,
)
testEncode(c, ar, expected)
}
func (s *SuiteEncoder) TestHead(c *C) {
hash := core.NewHash("6ecf0ef2c2dffb796033e5a02219af86ec6584e5")
ar := &advrefs.AdvRefs{
Head: &hash,
}
expected := pktlines(c,
[]byte("6ecf0ef2c2dffb796033e5a02219af86ec6584e5 HEAD\x00\n"),
pktline.Flush,
)
testEncode(c, ar, expected)
}
func (s *SuiteEncoder) TestCapsNoHead(c *C) {
capabilities := packp.NewCapabilities()
capabilities.Add("symref", "HEAD:/refs/heads/master")
capabilities.Add("ofs-delta")
capabilities.Add("multi_ack")
ar := &advrefs.AdvRefs{
Capabilities: capabilities,
}
expected := pktlines(c,
[]byte("0000000000000000000000000000000000000000 capabilities^{}\x00multi_ack ofs-delta symref=HEAD:/refs/heads/master\n"),
pktline.Flush,
)
testEncode(c, ar, expected)
}
func (s *SuiteEncoder) TestCapsWithHead(c *C) {
hash := core.NewHash("6ecf0ef2c2dffb796033e5a02219af86ec6584e5")
capabilities := packp.NewCapabilities()
capabilities.Add("symref", "HEAD:/refs/heads/master")
capabilities.Add("ofs-delta")
capabilities.Add("multi_ack")
ar := &advrefs.AdvRefs{
Head: &hash,
Capabilities: capabilities,
}
expected := pktlines(c,
[]byte("6ecf0ef2c2dffb796033e5a02219af86ec6584e5 HEAD\x00multi_ack ofs-delta symref=HEAD:/refs/heads/master\n"),
pktline.Flush,
)
testEncode(c, ar, expected)
}
func (s *SuiteEncoder) TestRefs(c *C) {
references := map[string]core.Hash{
"refs/heads/master": core.NewHash("a6930aaee06755d1bdcfd943fbf614e4d92bb0c7"),
"refs/tags/v2.6.12-tree": core.NewHash("1111111111111111111111111111111111111111"),
"refs/tags/v2.7.13-tree": core.NewHash("3333333333333333333333333333333333333333"),
"refs/tags/v2.6.13-tree": core.NewHash("2222222222222222222222222222222222222222"),
"refs/tags/v2.6.11-tree": core.NewHash("5dc01c595e6c6ec9ccda4f6f69c131c0dd945f8c"),
}
ar := &advrefs.AdvRefs{
References: references,
}
expected := pktlines(c,
[]byte("0000000000000000000000000000000000000000 capabilities^{}\x00\n"),
[]byte("a6930aaee06755d1bdcfd943fbf614e4d92bb0c7 refs/heads/master\n"),
[]byte("5dc01c595e6c6ec9ccda4f6f69c131c0dd945f8c refs/tags/v2.6.11-tree\n"),
[]byte("1111111111111111111111111111111111111111 refs/tags/v2.6.12-tree\n"),
[]byte("2222222222222222222222222222222222222222 refs/tags/v2.6.13-tree\n"),
[]byte("3333333333333333333333333333333333333333 refs/tags/v2.7.13-tree\n"),
pktline.Flush,
)
testEncode(c, ar, expected)
}
func (s *SuiteEncoder) TestPeeled(c *C) {
references := map[string]core.Hash{
"refs/heads/master": core.NewHash("a6930aaee06755d1bdcfd943fbf614e4d92bb0c7"),
"refs/tags/v2.6.12-tree": core.NewHash("1111111111111111111111111111111111111111"),
"refs/tags/v2.7.13-tree": core.NewHash("3333333333333333333333333333333333333333"),
"refs/tags/v2.6.13-tree": core.NewHash("2222222222222222222222222222222222222222"),
"refs/tags/v2.6.11-tree": core.NewHash("5dc01c595e6c6ec9ccda4f6f69c131c0dd945f8c"),
}
peeled := map[string]core.Hash{
"refs/tags/v2.7.13-tree": core.NewHash("4444444444444444444444444444444444444444"),
"refs/tags/v2.6.12-tree": core.NewHash("5555555555555555555555555555555555555555"),
}
ar := &advrefs.AdvRefs{
References: references,
Peeled: peeled,
}
expected := pktlines(c,
[]byte("0000000000000000000000000000000000000000 capabilities^{}\x00\n"),
[]byte("a6930aaee06755d1bdcfd943fbf614e4d92bb0c7 refs/heads/master\n"),
[]byte("5dc01c595e6c6ec9ccda4f6f69c131c0dd945f8c refs/tags/v2.6.11-tree\n"),
[]byte("1111111111111111111111111111111111111111 refs/tags/v2.6.12-tree\n"),
[]byte("5555555555555555555555555555555555555555 refs/tags/v2.6.12-tree^{}\n"),
[]byte("2222222222222222222222222222222222222222 refs/tags/v2.6.13-tree\n"),
[]byte("3333333333333333333333333333333333333333 refs/tags/v2.7.13-tree\n"),
[]byte("4444444444444444444444444444444444444444 refs/tags/v2.7.13-tree^{}\n"),
pktline.Flush,
)
testEncode(c, ar, expected)
}
func (s *SuiteEncoder) TestShallow(c *C) {
shallows := []core.Hash{
core.NewHash("1111111111111111111111111111111111111111"),
core.NewHash("4444444444444444444444444444444444444444"),
core.NewHash("3333333333333333333333333333333333333333"),
core.NewHash("2222222222222222222222222222222222222222"),
}
ar := &advrefs.AdvRefs{
Shallows: shallows,
}
expected := pktlines(c,
[]byte("0000000000000000000000000000000000000000 capabilities^{}\x00\n"),
[]byte("shallow 1111111111111111111111111111111111111111\n"),
[]byte("shallow 2222222222222222222222222222222222222222\n"),
[]byte("shallow 3333333333333333333333333333333333333333\n"),
[]byte("shallow 4444444444444444444444444444444444444444\n"),
pktline.Flush,
)
testEncode(c, ar, expected)
}
func (s *SuiteEncoder) TestAll(c *C) {
hash := core.NewHash("6ecf0ef2c2dffb796033e5a02219af86ec6584e5")
capabilities := packp.NewCapabilities()
capabilities.Add("symref", "HEAD:/refs/heads/master")
capabilities.Add("ofs-delta")
capabilities.Add("multi_ack")
references := map[string]core.Hash{
"refs/heads/master": core.NewHash("a6930aaee06755d1bdcfd943fbf614e4d92bb0c7"),
"refs/tags/v2.6.12-tree": core.NewHash("1111111111111111111111111111111111111111"),
"refs/tags/v2.7.13-tree": core.NewHash("3333333333333333333333333333333333333333"),
"refs/tags/v2.6.13-tree": core.NewHash("2222222222222222222222222222222222222222"),
"refs/tags/v2.6.11-tree": core.NewHash("5dc01c595e6c6ec9ccda4f6f69c131c0dd945f8c"),
}
peeled := map[string]core.Hash{
"refs/tags/v2.7.13-tree": core.NewHash("4444444444444444444444444444444444444444"),
"refs/tags/v2.6.12-tree": core.NewHash("5555555555555555555555555555555555555555"),
}
shallows := []core.Hash{
core.NewHash("1111111111111111111111111111111111111111"),
core.NewHash("4444444444444444444444444444444444444444"),
core.NewHash("3333333333333333333333333333333333333333"),
core.NewHash("2222222222222222222222222222222222222222"),
}
ar := &advrefs.AdvRefs{
Head: &hash,
Capabilities: capabilities,
References: references,
Peeled: peeled,
Shallows: shallows,
}
expected := pktlines(c,
[]byte("6ecf0ef2c2dffb796033e5a02219af86ec6584e5 HEAD\x00multi_ack ofs-delta symref=HEAD:/refs/heads/master\n"),
[]byte("a6930aaee06755d1bdcfd943fbf614e4d92bb0c7 refs/heads/master\n"),
[]byte("5dc01c595e6c6ec9ccda4f6f69c131c0dd945f8c refs/tags/v2.6.11-tree\n"),
[]byte("1111111111111111111111111111111111111111 refs/tags/v2.6.12-tree\n"),
[]byte("5555555555555555555555555555555555555555 refs/tags/v2.6.12-tree^{}\n"),
[]byte("2222222222222222222222222222222222222222 refs/tags/v2.6.13-tree\n"),
[]byte("3333333333333333333333333333333333333333 refs/tags/v2.7.13-tree\n"),
[]byte("4444444444444444444444444444444444444444 refs/tags/v2.7.13-tree^{}\n"),
[]byte("shallow 1111111111111111111111111111111111111111\n"),
[]byte("shallow 2222222222222222222222222222222222222222\n"),
[]byte("shallow 3333333333333333333333333333333333333333\n"),
[]byte("shallow 4444444444444444444444444444444444444444\n"),
pktline.Flush,
)
testEncode(c, ar, expected)
}
func (s *SuiteEncoder) TestErrorTooLong(c *C) {
references := map[string]core.Hash{
strings.Repeat("a", pktline.MaxPayloadSize): core.NewHash("a6930aaee06755d1bdcfd943fbf614e4d92bb0c7"),
}
ar := &advrefs.AdvRefs{
References: references,
}
var buf bytes.Buffer
e := advrefs.NewEncoder(&buf)
err := e.Encode(ar)
c.Assert(err, ErrorMatches, ".*payload is too long.*")
}
|
