package dotgit
import (
"os"
"path/filepath"
"strings"
"testing"
"gopkg.in/src-d/go-git.v4/clients/common"
"gopkg.in/src-d/go-git.v4/core"
"gopkg.in/src-d/go-git.v4/utils/fs"
"github.com/alcortesm/tgz"
. "gopkg.in/check.v1"
)
func Test(t *testing.T) { TestingT(t) }
var initFixtures = [...]struct {
name string
tgz string
capabilities [][2]string
packfile string
idxfile string
objectfiles []fixtureObject
}{
{
name: "spinnaker",
tgz: "fixtures/spinnaker-gc.tgz",
capabilities: [][2]string{
{"symref", "HEAD:refs/heads/master"},
},
packfile: "objects/pack/pack-584416f86235cac0d54bfabbdc399fb2b09a5269.pack",
idxfile: "objects/pack/pack-584416f86235cac0d54bfabbdc399fb2b09a5269.idx",
}, {
name: "no-packfile-no-idx",
tgz: "fixtures/no-packfile-no-idx.tgz",
}, {
name: "empty",
tgz: "fixtures/empty-gitdir.tgz",
}, {
name: "unpacked",
tgz: "fixtures/unpacked-objects-no-packfile-no-idx.tgz",
objectfiles: []fixtureObject{
fixtureObject{
path: "objects/1e/0304e3cb54d0ad612ad70f1f15a285a65a4b8e",
hash: "1e0304e3cb54d0ad612ad70f1f15a285a65a4b8e",
},
fixtureObject{
path: "objects/5e/fb9bc29c482e023e40e0a2b3b7e49cec842034",
hash: "5efb9bc29c482e023e40e0a2b3b7e49cec842034",
},
fixtureObject{
path: "objects/e6/9de29bb2d1d6434b8b29ae775ad8c2e48c5391",
hash: "e69de29bb2d1d6434b8b29ae775ad8c2e48c5391",
},
},
},
{
name: "unpacked-dummy",
tgz: "fixtures/unpacked-objects-exist-one-dummy-object-no-packfile-no-idx.tgz",
objectfiles: []fixtureObject{
fixtureObject{
path: "objects/1e/0304e3cb54d0ad612ad70f1f15a285a65a4b8e",
hash: "1e0304e3cb54d0ad612ad70f1f15a285a65a4b8e",
},
fixtureObject{
path: "objects/5e/fb9bc29c482e023e40e0a2b3b7e49cec842034",
hash: "5efb9bc29c482e023e40e0a2b3b7e49cec842034",
},
fixtureObject{
path: "objects/e6/9de29bb2d1d6434b8b29ae775ad8c2e48c5391",
hash: "e69de29bb2d1d6434b8b29ae775ad8c2e48c5391",
},
},
},
}
type fixtureObject struct {
path string
hash string
}
type fixture struct {
installDir string
fs fs.FS
path string // repo names to paths of the extracted tgz
capabilities *common.Capabilities // expected capabilities
packfile string // path of the packfile
idxfile string // path of the idxfile
objectfiles []fixtureObject // path and hash of the object files
}
type SuiteDotGit struct {
fixtures map[string]fixture
}
var _ = Suite(&SuiteDotGit{})
func (s *SuiteDotGit) SetUpSuite(c *C) {
s.fixtures = make(map[string]fixture, len(initFixtures))
for _, init := range initFixtures {
com := Commentf("fixture name = %s\n", init.name)
path, err := tgz.Extract(init.tgz)
c.Assert(err, IsNil, com)
f := fixture{}
f.installDir = path
f.fs = fs.NewOS()
f.path = f.fs.Join(path, ".git")
f.capabilities = common.NewCapabilities()
for _, pair := range init.capabilities {
f.capabilities.Add(pair[0], pair[1])
}
f.packfile = init.packfile
f.idxfile = init.idxfile
f.objectfiles = init.objectfiles
s.fixtures[init.name] = f
}
}
func (s *SuiteDotGit) TearDownSuite(c *C) {
for n, f := range s.fixtures {
err := os.RemoveAll(f.installDir)
c.Assert(err, IsNil, Commentf("cannot delete tmp dir for fixture %s: %s\n",
n, f.installDir))
}
}
func (s *SuiteDotGit) TestNewErrors(c *C) {
for i, test := range [...]struct {
input string
err error
}{
{
input: "./tmp/foo",
err: ErrNotFound,
}, {
input: "./tmp/foo/.git",
err: ErrNotFound,
},
} {
com := Commentf("subtest %d", i)
_, err := New(fs.NewOS(), test.input)
c.Assert(err, Equals, test.err, com)
}
}
func (s *SuiteDotGit) TestRefsFromPackedRefs(c *C) {
_, d := s.newFixtureDir(c, "spinnaker")
refs, err := d.Refs()
c.Assert(err, IsNil)
ref := findReference(refs, "refs/tags/v0.37.0")
c.Assert(ref, NotNil)
c.Assert(ref.Hash().String(), Equals, "85ec60477681933961c9b64c18ada93220650ac5")
}
func (s *SuiteDotGit) TestRefsFromReferenceFile(c *C) {
_, d := s.newFixtureDir(c, "spinnaker")
refs, err := d.Refs()
c.Assert(err, IsNil)
ref := findReference(refs, "refs/remotes/origin/HEAD")
c.Assert(ref, NotNil)
c.Assert(ref.Type(), Equals, core.SymbolicReference)
c.Assert(string(ref.Target()), Equals, "refs/remotes/origin/master")
}
func (s *SuiteDotGit) TestRefsFromHEADFile(c *C) {
_, d := s.newFixtureDir(c, "spinnaker")
refs, err := d.Refs()
c.Assert(err, IsNil)
ref := findReference(refs, "HEAD")
c.Assert(ref, NotNil)
c.Assert(ref.Type(), Equals, core.SymbolicReference)
c.Assert(string(ref.Target()), Equals, "refs/heads/master")
}
func (s *SuiteDotGit) TestConfig(c *C) {
_, d := s.newFixtureDir(c, "spinnaker")
fs, path, err := d.Config()
c.Assert(err, IsNil)
c.Assert(fs, NotNil)
c.Assert(path, Not(Equals), "")
}
func findReference(refs []*core.Reference, name string) *core.Reference {
n := core.ReferenceName(name)
for _, ref := range refs {
if ref.Name() == n {
return ref
}
}
return nil
}
func (s *SuiteDotGit) newFixtureDir(c *C, fixName string) (*fixture, *DotGit) {
f, ok := s.fixtures[fixName]
c.Assert(ok, Equals, true)
d, err := New(fs.NewOS(), f.path)
c.Assert(err, IsNil)
return &f, d
}
func (s *SuiteDotGit) TestPackfile(c *C) {
packfile := func(d *DotGit) (fs.FS, string, error) {
return d.Packfile()
}
idxfile := func(d *DotGit) (fs.FS, string, error) {
return d.Idxfile()
}
for _, test := range [...]struct {
fixture string
fn getPathFn
err string // error regexp
}{
{
fixture: "spinnaker",
fn: packfile,
}, {
fixture: "spinnaker",
fn: idxfile,
}, {
fixture: "empty",
fn: packfile,
err: "packfile not found",
}, {
fixture: "empty",
fn: idxfile,
err: "idx file not found",
}, {
fixture: "no-packfile-no-idx",
fn: packfile,
err: "packfile not found",
}, {
fixture: "no-packfile-no-idx",
fn: idxfile,
err: "idx file not found",
},
} {
com := Commentf("fixture = %s", test.fixture)
fix, dir := s.newFixtureDir(c, test.fixture)
_, path, err := test.fn(dir)
if test.err != "" {
c.Assert(err, ErrorMatches, test.err, com)
} else {
c.Assert(err, IsNil, com)
c.Assert(strings.HasSuffix(noExt(path), noExt(fix.packfile)),
Equals, true, com)
}
}
}
func (s *SuiteDotGit) TestObjectfiles(c *C) {
for _, test := range [...]struct {
fixture string
err error
}{
{
fixture: "unpacked",
},
{
fixture: "unpacked-dummy",
}, {
fixture: "empty",
err: ErrObjfileNotFound,
}, {
fixture: "no-packfile-no-idx",
},
} {
com := Commentf("fixture = %s", test.fixture)
fix, dir := s.newFixtureDir(c, test.fixture)
_, hashes, err := dir.Objectfiles()
if test.err != nil {
c.Assert(err, Equals, test.err, com)
} else {
c.Assert(err, IsNil, com)
c.Assert(len(hashes), Equals, len(fix.objectfiles), com)
for _, hash := range hashes {
c.Assert(containsObject(fix.objectfiles, hash), Equals, true, com)
}
}
}
}
func (s *SuiteDotGit) TestObjectfile(c *C) {
for _, test := range [...]struct {
fixture string
err error
}{
{
fixture: "unpacked",
}, {
fixture: "empty",
err: ErrObjfileNotFound,
}, {
fixture: "no-packfile-no-idx",
err: ErrObjfileNotFound,
},
} {
com := Commentf("fixture = %s", test.fixture)
fix, dir := s.newFixtureDir(c, test.fixture)
for _, fixObj := range fix.objectfiles {
_, path, err := dir.Objectfile(core.NewHash(fixObj.hash))
if test.err != nil {
c.Assert(err, Equals, test.err, com)
} else {
c.Assert(err, IsNil, com)
c.Assert(strings.HasSuffix(path, fixObj.path),
Equals, true, com)
}
}
}
}
type getPathFn func(*DotGit) (fs.FS, string, error)
func noExt(path string) string {
ext := filepath.Ext(path)
return path[0 : len(path)-len(ext)]
}
func containsObject(objs []fixtureObject, hash core.Hash) bool {
for _, o := range objs {
if strings.ToLower(o.hash) == strings.ToLower(hash.String()) {
return true
}
}
return false
}
