diff options
Diffstat (limited to 'clients')
-rw-r--r-- | clients/common.go | 63 | ||||
-rw-r--r-- | clients/common_test.go | 88 | ||||
-rw-r--r-- | clients/http/git_upload_pack.go | 3 | ||||
-rw-r--r-- | clients/http/git_upload_pack_test.go | 12 | ||||
-rw-r--r-- | clients/ssh/git_upload_pack.go | 3 | ||||
-rw-r--r-- | clients/ssh/git_upload_pack_test.go | 32 |
6 files changed, 175 insertions, 26 deletions
diff --git a/clients/common.go b/clients/common.go index fcbacf5..ce36dd1 100644 --- a/clients/common.go +++ b/clients/common.go @@ -1,10 +1,69 @@ +// Go-git needs the packfile and the refs of the repo. The +// `NewGitUploadPackService` function returns an object that allows to +// download them. +// +// Go-git supports HTTP and SSH (see `KnownProtocols`) for downloading +// the packfile and the refs, but you can also install your own +// protocols (see `InstallProtocol` below). +// +// Each protocol has its own implementation of +// `NewGitUploadPackService`, but you should generally not use them +// directly, use this package's `NewGitUploadPackService` instead. package clients import ( + "fmt" + "net/url" + "gopkg.in/src-d/go-git.v2/clients/common" "gopkg.in/src-d/go-git.v2/clients/http" + "gopkg.in/src-d/go-git.v2/clients/ssh" ) -func NewGitUploadPackService() common.GitUploadPackService { - return http.NewGitUploadPackService() +// ServiceFromURLFunc defines a service returning function for a given +// URL. +type ServiceFromURLFunc func(url string) common.GitUploadPackService + +// DefaultProtocols are the protocols supported by default. +// Wrapping is needed because you can not cast a function that +// returns an implementation of an interface to a function that +// returns the interface. +var DefaultProtocols = map[string]ServiceFromURLFunc{ + "http": func(s string) common.GitUploadPackService { return http.NewGitUploadPackService(s) }, + "https": func(s string) common.GitUploadPackService { return http.NewGitUploadPackService(s) }, + "ssh": func(s string) common.GitUploadPackService { return ssh.NewGitUploadPackService(s) }, +} + +// KnownProtocols holds the current set of known protocols. Initially +// it gets its contents from `DefaultProtocols`. See `InstallProtocol` +// below to add or modify this variable. +var KnownProtocols = make(map[string]ServiceFromURLFunc, len(DefaultProtocols)) + +func init() { + for k, v := range DefaultProtocols { + KnownProtocols[k] = v + } +} + +// NewGitUploadPackService returns the appropiate upload pack service +// among of the set of known protocols: HTTP, SSH. See `InstallProtocol` +// to add or modify protocols. +func NewGitUploadPackService(repoURL string) (common.GitUploadPackService, error) { + u, err := url.Parse(repoURL) + if err != nil { + return nil, fmt.Errorf("invalid url %q", repoURL) + } + srvFn, ok := KnownProtocols[u.Scheme] + if !ok { + return nil, fmt.Errorf("unsupported scheme %q", u.Scheme) + } + return srvFn(repoURL), nil +} + +// InstallProtocol adds or modifies an existing protocol. +func InstallProtocol(scheme string, serviceFn ServiceFromURLFunc) { + if serviceFn == nil { + panic("nil service") + } + KnownProtocols[scheme] = serviceFn } diff --git a/clients/common_test.go b/clients/common_test.go new file mode 100644 index 0000000..ff9ca32 --- /dev/null +++ b/clients/common_test.go @@ -0,0 +1,88 @@ +package clients + +import ( + "fmt" + "io" + "testing" + + . "gopkg.in/check.v1" + "gopkg.in/src-d/go-git.v2/clients/common" +) + +func Test(t *testing.T) { TestingT(t) } + +type SuiteCommon struct{} + +var _ = Suite(&SuiteCommon{}) + +func (s *SuiteCommon) TestNewGitUploadPackService(c *C) { + var tests = [...]struct { + input string + err bool + expected string + }{ + {"://example.com", true, "<nil>"}, + {"badscheme://github.com/src-d/go-git", true, "<nil>"}, + {"http://github.com/src-d/go-git", false, "*http.GitUploadPackService"}, + {"https://github.com/src-d/go-git", false, "*http.GitUploadPackService"}, + {"ssh://github.com/src-d/go-git", false, "*ssh.GitUploadPackService"}, + } + + for i, t := range tests { + output, err := NewGitUploadPackService(t.input) + c.Assert(err != nil, Equals, t.err, Commentf("%d) %q: wrong error value", i, t.input)) + c.Assert(typeAsString(output), Equals, t.expected, Commentf("%d) %q: wrong type", i, t.input)) + } +} + +type dummyProtocolService struct{} + +func newDummyProtocolService(url string) common.GitUploadPackService { + return &dummyProtocolService{} +} + +func (s *dummyProtocolService) Connect(url common.Endpoint) error { + return nil +} + +func (s *dummyProtocolService) ConnectWithAuth(url common.Endpoint, auth common.AuthMethod) error { + return nil +} + +func (s *dummyProtocolService) Info() (*common.GitUploadPackInfo, error) { + return nil, nil +} + +func (s *dummyProtocolService) Fetch(r *common.GitUploadPackRequest) (io.ReadCloser, error) { + return nil, nil +} + +func (s *SuiteCommon) TestInstallProtocol(c *C) { + var tests = [...]struct { + scheme string + serviceFn ServiceFromURLFunc + panic bool + }{ + {"panic", nil, true}, + {"newscheme", newDummyProtocolService, false}, + {"http", newDummyProtocolService, false}, + } + + for i, t := range tests { + if t.panic { + fmt.Println(t.serviceFn == nil) + c.Assert(func() { InstallProtocol(t.scheme, t.serviceFn) }, PanicMatches, `nil service`) + continue + } + InstallProtocol(t.scheme, t.serviceFn) + c.Assert(typeAsString(KnownProtocols[t.scheme]), Equals, typeAsString(t.serviceFn), Commentf("%d) wrong service", i)) + // reset to default protocols after installing + if v, ok := DefaultProtocols[t.scheme]; ok { + InstallProtocol(t.scheme, v) + } + } +} + +func typeAsString(v interface{}) string { + return fmt.Sprintf("%T", v) +} diff --git a/clients/http/git_upload_pack.go b/clients/http/git_upload_pack.go index 2d38d42..4b06c72 100644 --- a/clients/http/git_upload_pack.go +++ b/clients/http/git_upload_pack.go @@ -18,7 +18,8 @@ type GitUploadPackService struct { auth HTTPAuthMethod } -func NewGitUploadPackService() *GitUploadPackService { +func NewGitUploadPackService(url string) *GitUploadPackService { + // url ignored return &GitUploadPackService{ Client: http.DefaultClient, } diff --git a/clients/http/git_upload_pack_test.go b/clients/http/git_upload_pack_test.go index f9ec424..b479155 100644 --- a/clients/http/git_upload_pack_test.go +++ b/clients/http/git_upload_pack_test.go @@ -15,13 +15,13 @@ var _ = Suite(&SuiteRemote{}) const RepositoryFixture = "https://github.com/tyba/git-fixture" func (s *SuiteRemote) TestConnect(c *C) { - r := NewGitUploadPackService() + r := NewGitUploadPackService(RepositoryFixture) c.Assert(r.Connect(RepositoryFixture), IsNil) } func (s *SuiteRemote) TestConnectWithAuth(c *C) { auth := &BasicAuth{} - r := NewGitUploadPackService() + r := NewGitUploadPackService(RepositoryFixture) c.Assert(r.ConnectWithAuth(RepositoryFixture, auth), IsNil) c.Assert(r.auth, Equals, auth) } @@ -32,12 +32,12 @@ func (*mockAuth) Name() string { return "" } func (*mockAuth) String() string { return "" } func (s *SuiteRemote) TestConnectWithAuthWrongType(c *C) { - r := NewGitUploadPackService() + r := NewGitUploadPackService(RepositoryFixture) c.Assert(r.ConnectWithAuth(RepositoryFixture, &mockAuth{}), Equals, InvalidAuthMethodErr) } func (s *SuiteRemote) TestDefaultBranch(c *C) { - r := NewGitUploadPackService() + r := NewGitUploadPackService(RepositoryFixture) c.Assert(r.Connect(RepositoryFixture), IsNil) info, err := r.Info() @@ -46,7 +46,7 @@ func (s *SuiteRemote) TestDefaultBranch(c *C) { } func (s *SuiteRemote) TestCapabilities(c *C) { - r := NewGitUploadPackService() + r := NewGitUploadPackService(RepositoryFixture) c.Assert(r.Connect(RepositoryFixture), IsNil) info, err := r.Info() @@ -55,7 +55,7 @@ func (s *SuiteRemote) TestCapabilities(c *C) { } func (s *SuiteRemote) TestFetch(c *C) { - r := NewGitUploadPackService() + r := NewGitUploadPackService(RepositoryFixture) c.Assert(r.Connect(RepositoryFixture), IsNil) req := &common.GitUploadPackRequest{} diff --git a/clients/ssh/git_upload_pack.go b/clients/ssh/git_upload_pack.go index 09cb5ab..4a4021d 100644 --- a/clients/ssh/git_upload_pack.go +++ b/clients/ssh/git_upload_pack.go @@ -42,7 +42,8 @@ type GitUploadPackService struct { // NewGitUploadPackService initialises a GitUploadPackService. // TODO: remove this, as the struct is zero-value safe. -func NewGitUploadPackService() *GitUploadPackService { +func NewGitUploadPackService(url string) *GitUploadPackService { + // url ignored return &GitUploadPackService{} } diff --git a/clients/ssh/git_upload_pack_test.go b/clients/ssh/git_upload_pack_test.go index 66ac306..8626b50 100644 --- a/clients/ssh/git_upload_pack_test.go +++ b/clients/ssh/git_upload_pack_test.go @@ -25,7 +25,7 @@ const ( ) func (s *SuiteRemote) TestConnect(c *C) { - r := NewGitUploadPackService() + r := NewGitUploadPackService(fixRepo) c.Assert(r.Connect(fixRepo), Equals, ErrAuthRequired) } @@ -62,7 +62,7 @@ func (s *SuiteRemote) TestConnectWithPublicKeysCallback(c *C) { c.Assert(err, IsNil) defer func() { c.Assert(agent.close(), IsNil) }() - r := NewGitUploadPackService() + r := NewGitUploadPackService(fixRepo) c.Assert(r.ConnectWithAuth(fixRepo, agent.auth), IsNil) defer func() { c.Assert(r.Disconnect(), IsNil) }() c.Assert(r.connected, Equals, true) @@ -70,17 +70,17 @@ func (s *SuiteRemote) TestConnectWithPublicKeysCallback(c *C) { } func (s *SuiteRemote) TestConnectBadVcs(c *C) { - r := NewGitUploadPackService() + r := NewGitUploadPackService(fixRepoBadVcs) c.Assert(r.ConnectWithAuth(fixRepoBadVcs, nil), ErrorMatches, fmt.Sprintf(".*%s.*", fixRepoBadVcs)) } func (s *SuiteRemote) TestConnectNonGit(c *C) { - r := NewGitUploadPackService() + r := NewGitUploadPackService(fixRepoNonGit) c.Assert(r.ConnectWithAuth(fixRepoNonGit, nil), Equals, ErrUnsupportedVCS) } func (s *SuiteRemote) TestConnectNonGithub(c *C) { - r := NewGitUploadPackService() + r := NewGitUploadPackService(fixGitRepoNonGithub) c.Assert(r.ConnectWithAuth(fixGitRepoNonGithub, nil), Equals, ErrUnsupportedRepo) } @@ -92,7 +92,7 @@ func (*mockAuth) Name() string { return "" } func (*mockAuth) String() string { return "" } func (s *SuiteRemote) TestConnectWithAuthWrongType(c *C) { - r := NewGitUploadPackService() + r := NewGitUploadPackService(fixRepo) c.Assert(r.ConnectWithAuth(fixRepo, &mockAuth{}), Equals, ErrInvalidAuthMethod) c.Assert(r.connected, Equals, false) } @@ -102,7 +102,7 @@ func (s *SuiteRemote) TestAlreadyConnected(c *C) { c.Assert(err, IsNil) defer func() { c.Assert(agent.close(), IsNil) }() - r := NewGitUploadPackService() + r := NewGitUploadPackService(fixRepo) c.Assert(r.ConnectWithAuth(fixRepo, agent.auth), IsNil) defer func() { c.Assert(r.Disconnect(), IsNil) }() c.Assert(r.ConnectWithAuth(fixRepo, agent.auth), Equals, ErrAlreadyConnected) @@ -114,14 +114,14 @@ func (s *SuiteRemote) TestDisconnect(c *C) { c.Assert(err, IsNil) defer func() { c.Assert(agent.close(), IsNil) }() - r := NewGitUploadPackService() + r := NewGitUploadPackService(fixRepo) c.Assert(r.ConnectWithAuth(fixRepo, agent.auth), IsNil) c.Assert(r.Disconnect(), IsNil) c.Assert(r.connected, Equals, false) } func (s *SuiteRemote) TestDisconnectedWhenNonConnected(c *C) { - r := NewGitUploadPackService() + r := NewGitUploadPackService("Dear Twinkle") c.Assert(r.Disconnect(), Equals, ErrNotConnected) } @@ -130,7 +130,7 @@ func (s *SuiteRemote) TestAlreadyDisconnected(c *C) { c.Assert(err, IsNil) defer func() { c.Assert(agent.close(), IsNil) }() - r := NewGitUploadPackService() + r := NewGitUploadPackService(fixRepo) c.Assert(r.ConnectWithAuth(fixRepo, agent.auth), IsNil) c.Assert(r.Disconnect(), IsNil) c.Assert(r.Disconnect(), Equals, ErrNotConnected) @@ -142,7 +142,7 @@ func (s *SuiteRemote) TestServeralConnections(c *C) { c.Assert(err, IsNil) defer func() { c.Assert(agent.close(), IsNil) }() - r := NewGitUploadPackService() + r := NewGitUploadPackService(fixRepo) c.Assert(r.ConnectWithAuth(fixRepo, agent.auth), IsNil) c.Assert(r.Disconnect(), IsNil) @@ -158,7 +158,7 @@ func (s *SuiteRemote) TestServeralConnections(c *C) { } func (s *SuiteRemote) TestInfoNotConnected(c *C) { - r := NewGitUploadPackService() + r := NewGitUploadPackService(fixRepo) _, err := r.Info() c.Assert(err, Equals, ErrNotConnected) } @@ -168,7 +168,7 @@ func (s *SuiteRemote) TestDefaultBranch(c *C) { c.Assert(err, IsNil) defer func() { c.Assert(agent.close(), IsNil) }() - r := NewGitUploadPackService() + r := NewGitUploadPackService(fixRepo) c.Assert(r.ConnectWithAuth(fixRepo, agent.auth), IsNil) defer func() { c.Assert(r.Disconnect(), IsNil) }() @@ -182,7 +182,7 @@ func (s *SuiteRemote) TestCapabilities(c *C) { c.Assert(err, IsNil) defer func() { c.Assert(agent.close(), IsNil) }() - r := NewGitUploadPackService() + r := NewGitUploadPackService(fixRepo) c.Assert(r.ConnectWithAuth(fixRepo, agent.auth), IsNil) defer func() { c.Assert(r.Disconnect(), IsNil) }() @@ -192,7 +192,7 @@ func (s *SuiteRemote) TestCapabilities(c *C) { } func (s *SuiteRemote) TestFetchNotConnected(c *C) { - r := NewGitUploadPackService() + r := NewGitUploadPackService("foo bar") pr := &common.GitUploadPackRequest{} pr.Want(core.NewHash("6ecf0ef2c2dffb796033e5a02219af86ec6584e5")) _, err := r.Fetch(pr) @@ -204,7 +204,7 @@ func (s *SuiteRemote) TestFetch(c *C) { c.Assert(err, IsNil) defer func() { c.Assert(agent.close(), IsNil) }() - r := NewGitUploadPackService() + r := NewGitUploadPackService(fixRepo) c.Assert(r.ConnectWithAuth(fixRepo, agent.auth), IsNil) defer func() { c.Assert(r.Disconnect(), IsNil) }() |