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fetch_pack.go
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fetch_pack.go
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// Package test implements common test suite for different transport
// implementations.
//
package test
import (
"bytes"
"io"
"io/ioutil"
"gopkg.in/src-d/go-git.v4/plumbing"
"gopkg.in/src-d/go-git.v4/plumbing/format/packfile"
"gopkg.in/src-d/go-git.v4/plumbing/protocol/packp"
"gopkg.in/src-d/go-git.v4/plumbing/transport"
"gopkg.in/src-d/go-git.v4/storage/memory"
. "gopkg.in/check.v1"
"gopkg.in/src-d/go-git.v4/plumbing/protocol/packp/capability"
)
type FetchPackSuite struct {
Endpoint transport.Endpoint
EmptyEndpoint transport.Endpoint
NonExistentEndpoint transport.Endpoint
Client transport.Client
}
func (s *FetchPackSuite) TestInfoEmpty(c *C) {
r, err := s.Client.NewFetchPackSession(s.EmptyEndpoint)
c.Assert(err, IsNil)
info, err := r.AdvertisedReferences()
c.Assert(err, Equals, transport.ErrEmptyRemoteRepository)
c.Assert(info, IsNil)
}
func (s *FetchPackSuite) TestInfoNotExists(c *C) {
r, err := s.Client.NewFetchPackSession(s.NonExistentEndpoint)
c.Assert(err, IsNil)
info, err := r.AdvertisedReferences()
c.Assert(err, Equals, transport.ErrRepositoryNotFound)
c.Assert(info, IsNil)
r, err = s.Client.NewFetchPackSession(s.NonExistentEndpoint)
c.Assert(err, IsNil)
req := packp.NewUploadPackRequest()
req.Wants = append(req.Wants, plumbing.NewHash("6ecf0ef2c2dffb796033e5a02219af86ec6584e5"))
reader, err := r.FetchPack(req)
c.Assert(err, Equals, transport.ErrRepositoryNotFound)
c.Assert(reader, IsNil)
}
func (s *FetchPackSuite) TestCallAdvertisedReferenceTwice(c *C) {
r, err := s.Client.NewFetchPackSession(s.Endpoint)
c.Assert(err, IsNil)
ar1, err := r.AdvertisedReferences()
c.Assert(err, IsNil)
c.Assert(ar1, NotNil)
ar2, err := r.AdvertisedReferences()
c.Assert(err, IsNil)
c.Assert(ar2, DeepEquals, ar1)
}
func (s *FetchPackSuite) TestDefaultBranch(c *C) {
r, err := s.Client.NewFetchPackSession(s.Endpoint)
c.Assert(err, IsNil)
defer func() { c.Assert(r.Close(), IsNil) }()
info, err := r.AdvertisedReferences()
c.Assert(err, IsNil)
symrefs := info.Capabilities.Get(capability.SymRef)
c.Assert(symrefs, HasLen, 1)
c.Assert(symrefs[0], Equals, "HEAD:refs/heads/master")
}
func (s *FetchPackSuite) TestAdvertisedReferencesFilterUnsupported(c *C) {
r, err := s.Client.NewFetchPackSession(s.Endpoint)
c.Assert(err, IsNil)
defer func() { c.Assert(r.Close(), IsNil) }()
info, err := r.AdvertisedReferences()
c.Assert(err, IsNil)
c.Assert(info.Capabilities.Supports(capability.MultiACK), Equals, false)
}
func (s *FetchPackSuite) TestCapabilities(c *C) {
r, err := s.Client.NewFetchPackSession(s.Endpoint)
c.Assert(err, IsNil)
defer func() { c.Assert(r.Close(), IsNil) }()
info, err := r.AdvertisedReferences()
c.Assert(err, IsNil)
c.Assert(info.Capabilities.Get(capability.Agent), HasLen, 1)
}
func (s *FetchPackSuite) TestFullFetchPack(c *C) {
r, err := s.Client.NewFetchPackSession(s.Endpoint)
c.Assert(err, IsNil)
defer func() { c.Assert(r.Close(), IsNil) }()
info, err := r.AdvertisedReferences()
c.Assert(err, IsNil)
c.Assert(info, NotNil)
req := packp.NewUploadPackRequest()
req.Wants = append(req.Wants, plumbing.NewHash("6ecf0ef2c2dffb796033e5a02219af86ec6584e5"))
reader, err := r.FetchPack(req)
c.Assert(err, IsNil)
s.checkObjectNumber(c, reader, 28)
}
func (s *FetchPackSuite) TestFetchPack(c *C) {
r, err := s.Client.NewFetchPackSession(s.Endpoint)
c.Assert(err, IsNil)
defer func() { c.Assert(r.Close(), IsNil) }()
req := packp.NewUploadPackRequest()
req.Wants = append(req.Wants, plumbing.NewHash("6ecf0ef2c2dffb796033e5a02219af86ec6584e5"))
reader, err := r.FetchPack(req)
c.Assert(err, IsNil)
s.checkObjectNumber(c, reader, 28)
}
func (s *FetchPackSuite) TestFetchPackInvalidReq(c *C) {
r, err := s.Client.NewFetchPackSession(s.Endpoint)
c.Assert(err, IsNil)
defer func() { c.Assert(r.Close(), IsNil) }()
req := packp.NewUploadPackRequest()
req.Wants = append(req.Wants, plumbing.NewHash("6ecf0ef2c2dffb796033e5a02219af86ec6584e5"))
req.Capabilities.Set(capability.Sideband)
req.Capabilities.Set(capability.Sideband64k)
_, err = r.FetchPack(req)
c.Assert(err, NotNil)
}
func (s *FetchPackSuite) TestFetchPackNoChanges(c *C) {
r, err := s.Client.NewFetchPackSession(s.Endpoint)
c.Assert(err, IsNil)
defer func() { c.Assert(r.Close(), IsNil) }()
req := packp.NewUploadPackRequest()
req.Wants = append(req.Wants, plumbing.NewHash("6ecf0ef2c2dffb796033e5a02219af86ec6584e5"))
req.Haves = append(req.Haves, plumbing.NewHash("6ecf0ef2c2dffb796033e5a02219af86ec6584e5"))
reader, err := r.FetchPack(req)
c.Assert(err, Equals, transport.ErrEmptyUploadPackRequest)
c.Assert(reader, IsNil)
}
func (s *FetchPackSuite) TestFetchPackMulti(c *C) {
r, err := s.Client.NewFetchPackSession(s.Endpoint)
c.Assert(err, IsNil)
defer func() { c.Assert(r.Close(), IsNil) }()
req := packp.NewUploadPackRequest()
req.Wants = append(req.Wants, plumbing.NewHash("6ecf0ef2c2dffb796033e5a02219af86ec6584e5"))
req.Wants = append(req.Wants, plumbing.NewHash("e8d3ffab552895c19b9fcf7aa264d277cde33881"))
reader, err := r.FetchPack(req)
c.Assert(err, IsNil)
s.checkObjectNumber(c, reader, 31)
}
func (s *FetchPackSuite) TestFetchError(c *C) {
r, err := s.Client.NewFetchPackSession(s.Endpoint)
c.Assert(err, IsNil)
req := packp.NewUploadPackRequest()
req.Wants = append(req.Wants, plumbing.NewHash("1111111111111111111111111111111111111111"))
reader, err := r.FetchPack(req)
c.Assert(err, Equals, transport.ErrEmptyUploadPackRequest)
c.Assert(reader, IsNil)
//XXX: We do not test Close error, since implementations might return
// different errors if a previous error was found.
}
func (s *FetchPackSuite) checkObjectNumber(c *C, r io.Reader, n int) {
b, err := ioutil.ReadAll(r)
c.Assert(err, IsNil)
buf := bytes.NewBuffer(b)
scanner := packfile.NewScanner(buf)
storage := memory.NewStorage()
d, err := packfile.NewDecoder(scanner, storage)
c.Assert(err, IsNil)
_, err = d.Decode()
c.Assert(err, IsNil)
c.Assert(len(storage.Objects), Equals, n)
}