/libgo/go/cmd/go/internal/modfetch/codehost/git_test.go
Go | 635 lines | 587 code | 36 blank | 12 comment | 101 complexity | 6f5422dbb89fa7a601064ffec0fde2db MD5 | raw file
- // Copyright 2018 The Go Authors. All rights reserved.
- // Use of this source code is governed by a BSD-style
- // license that can be found in the LICENSE file.
- package codehost
- import (
- "archive/zip"
- "bytes"
- "flag"
- "fmt"
- "internal/testenv"
- "io/ioutil"
- "log"
- "os"
- "os/exec"
- "path"
- "path/filepath"
- "reflect"
- "strings"
- "testing"
- "time"
- )
- func TestMain(m *testing.M) {
- // needed for initializing the test environment variables as testing.Short
- // and HasExternalNetwork
- flag.Parse()
- os.Exit(testMain(m))
- }
- const (
- gitrepo1 = "https://vcs-test.golang.org/git/gitrepo1"
- hgrepo1 = "https://vcs-test.golang.org/hg/hgrepo1"
- )
- var altRepos = []string{
- "localGitRepo",
- hgrepo1,
- }
- // TODO: Convert gitrepo1 to svn, bzr, fossil and add tests.
- // For now, at least the hgrepo1 tests check the general vcs.go logic.
- // localGitRepo is like gitrepo1 but allows archive access.
- var localGitRepo string
- func testMain(m *testing.M) int {
- if _, err := exec.LookPath("git"); err != nil {
- fmt.Fprintln(os.Stderr, "skipping because git binary not found")
- fmt.Println("PASS")
- return 0
- }
- dir, err := ioutil.TempDir("", "gitrepo-test-")
- if err != nil {
- log.Fatal(err)
- }
- defer os.RemoveAll(dir)
- WorkRoot = dir
- if testenv.HasExternalNetwork() && testenv.HasExec() {
- // Clone gitrepo1 into a local directory.
- // If we use a file:// URL to access the local directory,
- // then git starts up all the usual protocol machinery,
- // which will let us test remote git archive invocations.
- localGitRepo = filepath.Join(dir, "gitrepo2")
- if _, err := Run("", "git", "clone", "--mirror", gitrepo1, localGitRepo); err != nil {
- log.Fatal(err)
- }
- if _, err := Run(localGitRepo, "git", "config", "daemon.uploadarch", "true"); err != nil {
- log.Fatal(err)
- }
- }
- return m.Run()
- }
- func testRepo(remote string) (Repo, error) {
- if remote == "localGitRepo" {
- return LocalGitRepo(filepath.ToSlash(localGitRepo))
- }
- kind := "git"
- for _, k := range []string{"hg"} {
- if strings.Contains(remote, "/"+k+"/") {
- kind = k
- }
- }
- return NewRepo(kind, remote)
- }
- var tagsTests = []struct {
- repo string
- prefix string
- tags []string
- }{
- {gitrepo1, "xxx", []string{}},
- {gitrepo1, "", []string{"v1.2.3", "v1.2.4-annotated", "v2.0.1", "v2.0.2", "v2.3"}},
- {gitrepo1, "v", []string{"v1.2.3", "v1.2.4-annotated", "v2.0.1", "v2.0.2", "v2.3"}},
- {gitrepo1, "v1", []string{"v1.2.3", "v1.2.4-annotated"}},
- {gitrepo1, "2", []string{}},
- }
- func TestTags(t *testing.T) {
- testenv.MustHaveExternalNetwork(t)
- testenv.MustHaveExec(t)
- for _, tt := range tagsTests {
- f := func(t *testing.T) {
- r, err := testRepo(tt.repo)
- if err != nil {
- t.Fatal(err)
- }
- tags, err := r.Tags(tt.prefix)
- if err != nil {
- t.Fatal(err)
- }
- if !reflect.DeepEqual(tags, tt.tags) {
- t.Errorf("Tags: incorrect tags\nhave %v\nwant %v", tags, tt.tags)
- }
- }
- t.Run(path.Base(tt.repo)+"/"+tt.prefix, f)
- if tt.repo == gitrepo1 {
- for _, tt.repo = range altRepos {
- t.Run(path.Base(tt.repo)+"/"+tt.prefix, f)
- }
- }
- }
- }
- var latestTests = []struct {
- repo string
- info *RevInfo
- }{
- {
- gitrepo1,
- &RevInfo{
- Name: "ede458df7cd0fdca520df19a33158086a8a68e81",
- Short: "ede458df7cd0",
- Version: "ede458df7cd0fdca520df19a33158086a8a68e81",
- Time: time.Date(2018, 4, 17, 19, 43, 22, 0, time.UTC),
- Tags: []string{"v1.2.3", "v1.2.4-annotated"},
- },
- },
- {
- hgrepo1,
- &RevInfo{
- Name: "18518c07eb8ed5c80221e997e518cccaa8c0c287",
- Short: "18518c07eb8e",
- Version: "18518c07eb8ed5c80221e997e518cccaa8c0c287",
- Time: time.Date(2018, 6, 27, 16, 16, 30, 0, time.UTC),
- },
- },
- }
- func TestLatest(t *testing.T) {
- testenv.MustHaveExternalNetwork(t)
- testenv.MustHaveExec(t)
- for _, tt := range latestTests {
- f := func(t *testing.T) {
- r, err := testRepo(tt.repo)
- if err != nil {
- t.Fatal(err)
- }
- info, err := r.Latest()
- if err != nil {
- t.Fatal(err)
- }
- if !reflect.DeepEqual(info, tt.info) {
- t.Errorf("Latest: incorrect info\nhave %+v\nwant %+v", *info, *tt.info)
- }
- }
- t.Run(path.Base(tt.repo), f)
- if tt.repo == gitrepo1 {
- tt.repo = "localGitRepo"
- t.Run(path.Base(tt.repo), f)
- }
- }
- }
- var readFileTests = []struct {
- repo string
- rev string
- file string
- err string
- data string
- }{
- {
- repo: gitrepo1,
- rev: "latest",
- file: "README",
- data: "",
- },
- {
- repo: gitrepo1,
- rev: "v2",
- file: "another.txt",
- data: "another\n",
- },
- {
- repo: gitrepo1,
- rev: "v2.3.4",
- file: "another.txt",
- err: os.ErrNotExist.Error(),
- },
- }
- func TestReadFile(t *testing.T) {
- testenv.MustHaveExternalNetwork(t)
- testenv.MustHaveExec(t)
- for _, tt := range readFileTests {
- f := func(t *testing.T) {
- r, err := testRepo(tt.repo)
- if err != nil {
- t.Fatal(err)
- }
- data, err := r.ReadFile(tt.rev, tt.file, 100)
- if err != nil {
- if tt.err == "" {
- t.Fatalf("ReadFile: unexpected error %v", err)
- }
- if !strings.Contains(err.Error(), tt.err) {
- t.Fatalf("ReadFile: wrong error %q, want %q", err, tt.err)
- }
- if len(data) != 0 {
- t.Errorf("ReadFile: non-empty data %q with error %v", data, err)
- }
- return
- }
- if tt.err != "" {
- t.Fatalf("ReadFile: no error, wanted %v", tt.err)
- }
- if string(data) != tt.data {
- t.Errorf("ReadFile: incorrect data\nhave %q\nwant %q", data, tt.data)
- }
- }
- t.Run(path.Base(tt.repo)+"/"+tt.rev+"/"+tt.file, f)
- if tt.repo == gitrepo1 {
- for _, tt.repo = range altRepos {
- t.Run(path.Base(tt.repo)+"/"+tt.rev+"/"+tt.file, f)
- }
- }
- }
- }
- var readZipTests = []struct {
- repo string
- rev string
- subdir string
- actualSubdir string
- err string
- files map[string]uint64
- }{
- {
- repo: gitrepo1,
- rev: "v2.3.4",
- subdir: "",
- files: map[string]uint64{
- "prefix/": 0,
- "prefix/README": 0,
- "prefix/v2": 3,
- },
- },
- {
- repo: hgrepo1,
- rev: "v2.3.4",
- subdir: "",
- files: map[string]uint64{
- "prefix/.hg_archival.txt": ^uint64(0),
- "prefix/README": 0,
- "prefix/v2": 3,
- },
- },
- {
- repo: gitrepo1,
- rev: "v2",
- subdir: "",
- files: map[string]uint64{
- "prefix/": 0,
- "prefix/README": 0,
- "prefix/v2": 3,
- "prefix/another.txt": 8,
- "prefix/foo.txt": 13,
- },
- },
- {
- repo: hgrepo1,
- rev: "v2",
- subdir: "",
- files: map[string]uint64{
- "prefix/.hg_archival.txt": ^uint64(0),
- "prefix/README": 0,
- "prefix/v2": 3,
- "prefix/another.txt": 8,
- "prefix/foo.txt": 13,
- },
- },
- {
- repo: gitrepo1,
- rev: "v3",
- subdir: "",
- files: map[string]uint64{
- "prefix/": 0,
- "prefix/v3/": 0,
- "prefix/v3/sub/": 0,
- "prefix/v3/sub/dir/": 0,
- "prefix/v3/sub/dir/file.txt": 16,
- "prefix/README": 0,
- },
- },
- {
- repo: hgrepo1,
- rev: "v3",
- subdir: "",
- files: map[string]uint64{
- "prefix/.hg_archival.txt": ^uint64(0),
- "prefix/.hgtags": 405,
- "prefix/v3/sub/dir/file.txt": 16,
- "prefix/README": 0,
- },
- },
- {
- repo: gitrepo1,
- rev: "v3",
- subdir: "v3/sub/dir",
- files: map[string]uint64{
- "prefix/": 0,
- "prefix/v3/": 0,
- "prefix/v3/sub/": 0,
- "prefix/v3/sub/dir/": 0,
- "prefix/v3/sub/dir/file.txt": 16,
- },
- },
- {
- repo: hgrepo1,
- rev: "v3",
- subdir: "v3/sub/dir",
- files: map[string]uint64{
- "prefix/v3/sub/dir/file.txt": 16,
- },
- },
- {
- repo: gitrepo1,
- rev: "v3",
- subdir: "v3/sub",
- files: map[string]uint64{
- "prefix/": 0,
- "prefix/v3/": 0,
- "prefix/v3/sub/": 0,
- "prefix/v3/sub/dir/": 0,
- "prefix/v3/sub/dir/file.txt": 16,
- },
- },
- {
- repo: hgrepo1,
- rev: "v3",
- subdir: "v3/sub",
- files: map[string]uint64{
- "prefix/v3/sub/dir/file.txt": 16,
- },
- },
- {
- repo: gitrepo1,
- rev: "aaaaaaaaab",
- subdir: "",
- err: "unknown revision",
- },
- {
- repo: hgrepo1,
- rev: "aaaaaaaaab",
- subdir: "",
- err: "unknown revision",
- },
- {
- repo: "https://github.com/rsc/vgotest1",
- rev: "submod/v1.0.4",
- subdir: "submod",
- files: map[string]uint64{
- "prefix/": 0,
- "prefix/submod/": 0,
- "prefix/submod/go.mod": 53,
- "prefix/submod/pkg/": 0,
- "prefix/submod/pkg/p.go": 31,
- },
- },
- }
- type zipFile struct {
- name string
- size int64
- }
- func TestReadZip(t *testing.T) {
- testenv.MustHaveExternalNetwork(t)
- testenv.MustHaveExec(t)
- for _, tt := range readZipTests {
- f := func(t *testing.T) {
- r, err := testRepo(tt.repo)
- if err != nil {
- t.Fatal(err)
- }
- rc, actualSubdir, err := r.ReadZip(tt.rev, tt.subdir, 100000)
- if err != nil {
- if tt.err == "" {
- t.Fatalf("ReadZip: unexpected error %v", err)
- }
- if !strings.Contains(err.Error(), tt.err) {
- t.Fatalf("ReadZip: wrong error %q, want %q", err, tt.err)
- }
- if rc != nil {
- t.Errorf("ReadZip: non-nil io.ReadCloser with error %v", err)
- }
- return
- }
- defer rc.Close()
- if tt.err != "" {
- t.Fatalf("ReadZip: no error, wanted %v", tt.err)
- }
- if actualSubdir != tt.actualSubdir {
- t.Fatalf("ReadZip: actualSubdir = %q, want %q", actualSubdir, tt.actualSubdir)
- }
- zipdata, err := ioutil.ReadAll(rc)
- if err != nil {
- t.Fatal(err)
- }
- z, err := zip.NewReader(bytes.NewReader(zipdata), int64(len(zipdata)))
- if err != nil {
- t.Fatalf("ReadZip: cannot read zip file: %v", err)
- }
- have := make(map[string]bool)
- for _, f := range z.File {
- size, ok := tt.files[f.Name]
- if !ok {
- t.Errorf("ReadZip: unexpected file %s", f.Name)
- continue
- }
- have[f.Name] = true
- if size != ^uint64(0) && f.UncompressedSize64 != size {
- t.Errorf("ReadZip: file %s has unexpected size %d != %d", f.Name, f.UncompressedSize64, size)
- }
- }
- for name := range tt.files {
- if !have[name] {
- t.Errorf("ReadZip: missing file %s", name)
- }
- }
- }
- t.Run(path.Base(tt.repo)+"/"+tt.rev+"/"+tt.subdir, f)
- if tt.repo == gitrepo1 {
- tt.repo = "localGitRepo"
- t.Run(path.Base(tt.repo)+"/"+tt.rev+"/"+tt.subdir, f)
- }
- }
- }
- var hgmap = map[string]string{
- "HEAD": "41964ddce1180313bdc01d0a39a2813344d6261d", // not tip due to bad hgrepo1 conversion
- "9d02800338b8a55be062c838d1f02e0c5780b9eb": "8f49ee7a6ddcdec6f0112d9dca48d4a2e4c3c09e",
- "76a00fb249b7f93091bc2c89a789dab1fc1bc26f": "88fde824ec8b41a76baa16b7e84212cee9f3edd0",
- "ede458df7cd0fdca520df19a33158086a8a68e81": "41964ddce1180313bdc01d0a39a2813344d6261d",
- "97f6aa59c81c623494825b43d39e445566e429a4": "c0cbbfb24c7c3c50c35c7b88e7db777da4ff625d",
- }
- var statTests = []struct {
- repo string
- rev string
- err string
- info *RevInfo
- }{
- {
- repo: gitrepo1,
- rev: "HEAD",
- info: &RevInfo{
- Name: "ede458df7cd0fdca520df19a33158086a8a68e81",
- Short: "ede458df7cd0",
- Version: "ede458df7cd0fdca520df19a33158086a8a68e81",
- Time: time.Date(2018, 4, 17, 19, 43, 22, 0, time.UTC),
- Tags: []string{"v1.2.3", "v1.2.4-annotated"},
- },
- },
- {
- repo: gitrepo1,
- rev: "v2", // branch
- info: &RevInfo{
- Name: "9d02800338b8a55be062c838d1f02e0c5780b9eb",
- Short: "9d02800338b8",
- Version: "9d02800338b8a55be062c838d1f02e0c5780b9eb",
- Time: time.Date(2018, 4, 17, 20, 00, 32, 0, time.UTC),
- Tags: []string{"v2.0.2"},
- },
- },
- {
- repo: gitrepo1,
- rev: "v2.3.4", // badly-named branch (semver should be a tag)
- info: &RevInfo{
- Name: "76a00fb249b7f93091bc2c89a789dab1fc1bc26f",
- Short: "76a00fb249b7",
- Version: "76a00fb249b7f93091bc2c89a789dab1fc1bc26f",
- Time: time.Date(2018, 4, 17, 19, 45, 48, 0, time.UTC),
- Tags: []string{"v2.0.1", "v2.3"},
- },
- },
- {
- repo: gitrepo1,
- rev: "v2.3", // badly-named tag (we only respect full semver v2.3.0)
- info: &RevInfo{
- Name: "76a00fb249b7f93091bc2c89a789dab1fc1bc26f",
- Short: "76a00fb249b7",
- Version: "v2.3",
- Time: time.Date(2018, 4, 17, 19, 45, 48, 0, time.UTC),
- Tags: []string{"v2.0.1", "v2.3"},
- },
- },
- {
- repo: gitrepo1,
- rev: "v1.2.3", // tag
- info: &RevInfo{
- Name: "ede458df7cd0fdca520df19a33158086a8a68e81",
- Short: "ede458df7cd0",
- Version: "v1.2.3",
- Time: time.Date(2018, 4, 17, 19, 43, 22, 0, time.UTC),
- Tags: []string{"v1.2.3", "v1.2.4-annotated"},
- },
- },
- {
- repo: gitrepo1,
- rev: "ede458df", // hash prefix in refs
- info: &RevInfo{
- Name: "ede458df7cd0fdca520df19a33158086a8a68e81",
- Short: "ede458df7cd0",
- Version: "ede458df7cd0fdca520df19a33158086a8a68e81",
- Time: time.Date(2018, 4, 17, 19, 43, 22, 0, time.UTC),
- Tags: []string{"v1.2.3", "v1.2.4-annotated"},
- },
- },
- {
- repo: gitrepo1,
- rev: "97f6aa59", // hash prefix not in refs
- info: &RevInfo{
- Name: "97f6aa59c81c623494825b43d39e445566e429a4",
- Short: "97f6aa59c81c",
- Version: "97f6aa59c81c623494825b43d39e445566e429a4",
- Time: time.Date(2018, 4, 17, 20, 0, 19, 0, time.UTC),
- },
- },
- {
- repo: gitrepo1,
- rev: "v1.2.4-annotated", // annotated tag uses unwrapped commit hash
- info: &RevInfo{
- Name: "ede458df7cd0fdca520df19a33158086a8a68e81",
- Short: "ede458df7cd0",
- Version: "v1.2.4-annotated",
- Time: time.Date(2018, 4, 17, 19, 43, 22, 0, time.UTC),
- Tags: []string{"v1.2.3", "v1.2.4-annotated"},
- },
- },
- {
- repo: gitrepo1,
- rev: "aaaaaaaaab",
- err: "unknown revision",
- },
- }
- func TestStat(t *testing.T) {
- testenv.MustHaveExternalNetwork(t)
- testenv.MustHaveExec(t)
- for _, tt := range statTests {
- f := func(t *testing.T) {
- r, err := testRepo(tt.repo)
- if err != nil {
- t.Fatal(err)
- }
- info, err := r.Stat(tt.rev)
- if err != nil {
- if tt.err == "" {
- t.Fatalf("Stat: unexpected error %v", err)
- }
- if !strings.Contains(err.Error(), tt.err) {
- t.Fatalf("Stat: wrong error %q, want %q", err, tt.err)
- }
- if info != nil {
- t.Errorf("Stat: non-nil info with error %q", err)
- }
- return
- }
- if !reflect.DeepEqual(info, tt.info) {
- t.Errorf("Stat: incorrect info\nhave %+v\nwant %+v", *info, *tt.info)
- }
- }
- t.Run(path.Base(tt.repo)+"/"+tt.rev, f)
- if tt.repo == gitrepo1 {
- for _, tt.repo = range altRepos {
- old := tt
- var m map[string]string
- if tt.repo == hgrepo1 {
- m = hgmap
- }
- if tt.info != nil {
- info := *tt.info
- tt.info = &info
- tt.info.Name = remap(tt.info.Name, m)
- tt.info.Version = remap(tt.info.Version, m)
- tt.info.Short = remap(tt.info.Short, m)
- }
- tt.rev = remap(tt.rev, m)
- t.Run(path.Base(tt.repo)+"/"+tt.rev, f)
- tt = old
- }
- }
- }
- }
- func remap(name string, m map[string]string) string {
- if m[name] != "" {
- return m[name]
- }
- if AllHex(name) {
- for k, v := range m {
- if strings.HasPrefix(k, name) {
- return v[:len(name)]
- }
- }
- }
- return name
- }