package packp import ( "bytes" "strings" "github.com/go-git/go-git/v5/plumbing" "github.com/go-git/go-git/v5/plumbing/format/pktline" "github.com/go-git/go-git/v5/plumbing/protocol/packp/capability" . "gopkg.in/check.v1" ) type AdvRefsEncodeSuite struct{} var _ = Suite(&AdvRefsEncodeSuite{}) func testEncode(c *C, input *AdvRefs, expected []byte) { var buf bytes.Buffer c.Assert(input.Encode(&buf), IsNil) obtained := buf.Bytes() comment := Commentf("\nobtained = %s\nexpected = %s\n", string(obtained), string(expected)) c.Assert(obtained, DeepEquals, expected, comment) } func (s *AdvRefsEncodeSuite) TestZeroValue(c *C) { ar := &AdvRefs{} expected := pktlines(c, "0000000000000000000000000000000000000000 capabilities^{}\x00\n", pktline.FlushString, ) testEncode(c, ar, expected) } func (s *AdvRefsEncodeSuite) TestHead(c *C) { hash := plumbing.NewHash("6ecf0ef2c2dffb796033e5a02219af86ec6584e5") ar := &AdvRefs{ Head: &hash, } expected := pktlines(c, "6ecf0ef2c2dffb796033e5a02219af86ec6584e5 HEAD\x00\n", pktline.FlushString, ) testEncode(c, ar, expected) } func (s *AdvRefsEncodeSuite) TestCapsNoHead(c *C) { capabilities := capability.NewList() capabilities.Add(capability.MultiACK) capabilities.Add(capability.OFSDelta) capabilities.Add(capability.SymRef, "HEAD:/refs/heads/master") ar := &AdvRefs{ Capabilities: capabilities, } expected := pktlines(c, "0000000000000000000000000000000000000000 capabilities^{}\x00multi_ack ofs-delta symref=HEAD:/refs/heads/master\n", pktline.FlushString, ) testEncode(c, ar, expected) } func (s *AdvRefsEncodeSuite) TestCapsWithHead(c *C) { hash := plumbing.NewHash("6ecf0ef2c2dffb796033e5a02219af86ec6584e5") capabilities := capability.NewList() capabilities.Add(capability.MultiACK) capabilities.Add(capability.OFSDelta) capabilities.Add(capability.SymRef, "HEAD:/refs/heads/master") ar := &AdvRefs{ Head: &hash, Capabilities: capabilities, } expected := pktlines(c, "6ecf0ef2c2dffb796033e5a02219af86ec6584e5 HEAD\x00multi_ack ofs-delta symref=HEAD:/refs/heads/master\n", pktline.FlushString, ) testEncode(c, ar, expected) } func (s *AdvRefsEncodeSuite) TestRefs(c *C) { references := map[string]plumbing.Hash{ "refs/heads/master": plumbing.NewHash("a6930aaee06755d1bdcfd943fbf614e4d92bb0c7"), "refs/tags/v2.6.12-tree": plumbing.NewHash("1111111111111111111111111111111111111111"), "refs/tags/v2.7.13-tree": plumbing.NewHash("3333333333333333333333333333333333333333"), "refs/tags/v2.6.13-tree": plumbing.NewHash("2222222222222222222222222222222222222222"), "refs/tags/v2.6.11-tree": plumbing.NewHash("5dc01c595e6c6ec9ccda4f6f69c131c0dd945f8c"), } ar := &AdvRefs{ References: references, } expected := pktlines(c, "a6930aaee06755d1bdcfd943fbf614e4d92bb0c7 refs/heads/master\x00\n", "5dc01c595e6c6ec9ccda4f6f69c131c0dd945f8c refs/tags/v2.6.11-tree\n", "1111111111111111111111111111111111111111 refs/tags/v2.6.12-tree\n", "2222222222222222222222222222222222222222 refs/tags/v2.6.13-tree\n", "3333333333333333333333333333333333333333 refs/tags/v2.7.13-tree\n", pktline.FlushString, ) testEncode(c, ar, expected) } func (s *AdvRefsEncodeSuite) TestPeeled(c *C) { references := map[string]plumbing.Hash{ "refs/heads/master": plumbing.NewHash("a6930aaee06755d1bdcfd943fbf614e4d92bb0c7"), "refs/tags/v2.6.12-tree": plumbing.NewHash("1111111111111111111111111111111111111111"), "refs/tags/v2.7.13-tree": plumbing.NewHash("3333333333333333333333333333333333333333"), "refs/tags/v2.6.13-tree": plumbing.NewHash("2222222222222222222222222222222222222222"), "refs/tags/v2.6.11-tree": plumbing.NewHash("5dc01c595e6c6ec9ccda4f6f69c131c0dd945f8c"), } peeled := map[string]plumbing.Hash{ "refs/tags/v2.7.13-tree": plumbing.NewHash("4444444444444444444444444444444444444444"), "refs/tags/v2.6.12-tree": plumbing.NewHash("5555555555555555555555555555555555555555"), } ar := &AdvRefs{ References: references, Peeled: peeled, } expected := pktlines(c, "a6930aaee06755d1bdcfd943fbf614e4d92bb0c7 refs/heads/master\x00\n", "5dc01c595e6c6ec9ccda4f6f69c131c0dd945f8c refs/tags/v2.6.11-tree\n", "1111111111111111111111111111111111111111 refs/tags/v2.6.12-tree\n", "5555555555555555555555555555555555555555 refs/tags/v2.6.12-tree^{}\n", "2222222222222222222222222222222222222222 refs/tags/v2.6.13-tree\n", "3333333333333333333333333333333333333333 refs/tags/v2.7.13-tree\n", "4444444444444444444444444444444444444444 refs/tags/v2.7.13-tree^{}\n", pktline.FlushString, ) testEncode(c, ar, expected) } func (s *AdvRefsEncodeSuite) TestShallow(c *C) { shallows := []plumbing.Hash{ plumbing.NewHash("1111111111111111111111111111111111111111"), plumbing.NewHash("4444444444444444444444444444444444444444"), plumbing.NewHash("3333333333333333333333333333333333333333"), plumbing.NewHash("2222222222222222222222222222222222222222"), } ar := &AdvRefs{ Shallows: shallows, } expected := pktlines(c, "0000000000000000000000000000000000000000 capabilities^{}\x00\n", "shallow 1111111111111111111111111111111111111111\n", "shallow 2222222222222222222222222222222222222222\n", "shallow 3333333333333333333333333333333333333333\n", "shallow 4444444444444444444444444444444444444444\n", pktline.FlushString, ) testEncode(c, ar, expected) } func (s *AdvRefsEncodeSuite) TestAll(c *C) { hash := plumbing.NewHash("6ecf0ef2c2dffb796033e5a02219af86ec6584e5") capabilities := capability.NewList() capabilities.Add(capability.MultiACK) capabilities.Add(capability.OFSDelta) capabilities.Add(capability.SymRef, "HEAD:/refs/heads/master") references := map[string]plumbing.Hash{ "refs/heads/master": plumbing.NewHash("a6930aaee06755d1bdcfd943fbf614e4d92bb0c7"), "refs/tags/v2.6.12-tree": plumbing.NewHash("1111111111111111111111111111111111111111"), "refs/tags/v2.7.13-tree": plumbing.NewHash("3333333333333333333333333333333333333333"), "refs/tags/v2.6.13-tree": plumbing.NewHash("2222222222222222222222222222222222222222"), "refs/tags/v2.6.11-tree": plumbing.NewHash("5dc01c595e6c6ec9ccda4f6f69c131c0dd945f8c"), } peeled := map[string]plumbing.Hash{ "refs/tags/v2.7.13-tree": plumbing.NewHash("4444444444444444444444444444444444444444"), "refs/tags/v2.6.12-tree": plumbing.NewHash("5555555555555555555555555555555555555555"), } shallows := []plumbing.Hash{ plumbing.NewHash("1111111111111111111111111111111111111111"), plumbing.NewHash("4444444444444444444444444444444444444444"), plumbing.NewHash("3333333333333333333333333333333333333333"), plumbing.NewHash("2222222222222222222222222222222222222222"), } ar := &AdvRefs{ Head: &hash, Capabilities: capabilities, References: references, Peeled: peeled, Shallows: shallows, } expected := pktlines(c, "6ecf0ef2c2dffb796033e5a02219af86ec6584e5 HEAD\x00multi_ack ofs-delta symref=HEAD:/refs/heads/master\n", "a6930aaee06755d1bdcfd943fbf614e4d92bb0c7 refs/heads/master\n", "5dc01c595e6c6ec9ccda4f6f69c131c0dd945f8c refs/tags/v2.6.11-tree\n", "1111111111111111111111111111111111111111 refs/tags/v2.6.12-tree\n", "5555555555555555555555555555555555555555 refs/tags/v2.6.12-tree^{}\n", "2222222222222222222222222222222222222222 refs/tags/v2.6.13-tree\n", "3333333333333333333333333333333333333333 refs/tags/v2.7.13-tree\n", "4444444444444444444444444444444444444444 refs/tags/v2.7.13-tree^{}\n", "shallow 1111111111111111111111111111111111111111\n", "shallow 2222222222222222222222222222222222222222\n", "shallow 3333333333333333333333333333333333333333\n", "shallow 4444444444444444444444444444444444444444\n", pktline.FlushString, ) testEncode(c, ar, expected) } func (s *AdvRefsEncodeSuite) TestErrorTooLong(c *C) { references := map[string]plumbing.Hash{ strings.Repeat("a", pktline.MaxPayloadSize): plumbing.NewHash("a6930aaee06755d1bdcfd943fbf614e4d92bb0c7"), } ar := &AdvRefs{ References: references, } var buf bytes.Buffer err := ar.Encode(&buf) c.Assert(err, ErrorMatches, ".*payload is too long.*") }