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// 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 modload
import (
"context"
"flag"
"internal/testenv"
"log"
"os"
"path"
"path/filepath"
"strings"
"testing"
"cmd/go/internal/cfg"
"cmd/go/internal/vcweb/vcstest"
"golang.org/x/mod/module"
)
func TestMain(m *testing.M) {
flag.Parse()
if err := testMain(m); err != nil {
log.Fatal(err)
}
}
func testMain(m *testing.M) (err error) {
cfg.GOPROXY = "direct"
cfg.ModCacheRW = true
srv, err := vcstest.NewServer()
if err != nil {
return err
}
defer func() {
if closeErr := srv.Close(); err == nil {
err = closeErr
}
}()
dir, err := os.MkdirTemp("", "modload-test-")
if err != nil {
return err
}
defer func() {
if rmErr := os.RemoveAll(dir); err == nil {
err = rmErr
}
}()
os.Setenv("GOPATH", dir)
cfg.BuildContext.GOPATH = dir
cfg.GOMODCACHE = filepath.Join(dir, "pkg/mod")
cfg.SumdbDir = filepath.Join(dir, "pkg/sumdb")
m.Run()
return nil
}
var (
queryRepo = "vcs-test.golang.org/git/querytest.git"
queryRepoV2 = queryRepo + "/v2"
queryRepoV3 = queryRepo + "/v3"
// Empty version list (no semver tags), not actually empty.
emptyRepoPath = "vcs-test.golang.org/git/emptytest.git"
)
var queryTests = []struct {
path string
query string
current string
allow string
vers string
err string
}{
{path: queryRepo, query: "<v0.0.0", vers: "v0.0.0-pre1"},
{path: queryRepo, query: "<v0.0.0-pre1", err: `no matching versions for query "<v0.0.0-pre1"`},
{path: queryRepo, query: "<=v0.0.0", vers: "v0.0.0"},
{path: queryRepo, query: ">v0.0.0", vers: "v0.0.1"},
{path: queryRepo, query: ">=v0.0.0", vers: "v0.0.0"},
{path: queryRepo, query: "v0.0.1", vers: "v0.0.1"},
{path: queryRepo, query: "v0.0.1+foo", vers: "v0.0.1"},
{path: queryRepo, query: "v0.0.99", err: `vcs-test.golang.org/git/querytest.git@v0.0.99: invalid version: unknown revision v0.0.99`},
{path: queryRepo, query: "v0", vers: "v0.3.0"},
{path: queryRepo, query: "v0.1", vers: "v0.1.2"},
{path: queryRepo, query: "v0.2", err: `no matching versions for query "v0.2"`},
{path: queryRepo, query: "v0.0", vers: "v0.0.3"},
{path: queryRepo, query: "v1.9.10-pre2+metadata", vers: "v1.9.10-pre2.0.20190513201126-42abcb6df8ee"},
{path: queryRepo, query: "ed5ffdaa", vers: "v1.9.10-pre2.0.20191220134614-ed5ffdaa1f5e"},
// golang.org/issue/29262: The major version for a module without a suffix
// should be based on the most recent tag (v1 as appropriate, not v0
// unconditionally).
{path: queryRepo, query: "42abcb6df8ee", vers: "v1.9.10-pre2.0.20190513201126-42abcb6df8ee"},
{path: queryRepo, query: "v1.9.10-pre2+wrongmetadata", err: `vcs-test.golang.org/git/querytest.git@v1.9.10-pre2+wrongmetadata: invalid version: unknown revision v1.9.10-pre2+wrongmetadata`},
{path: queryRepo, query: "v1.9.10-pre2", err: `vcs-test.golang.org/git/querytest.git@v1.9.10-pre2: invalid version: unknown revision v1.9.10-pre2`},
{path: queryRepo, query: "latest", vers: "v1.9.9"},
{path: queryRepo, query: "latest", current: "v1.9.10-pre1", vers: "v1.9.9"},
{path: queryRepo, query: "upgrade", vers: "v1.9.9"},
{path: queryRepo, query: "upgrade", current: "v1.9.10-pre1", vers: "v1.9.10-pre1"},
{path: queryRepo, query: "upgrade", current: "v1.9.10-pre2+metadata", vers: "v1.9.10-pre2.0.20190513201126-42abcb6df8ee"},
{path: queryRepo, query: "upgrade", current: "v0.0.0-20190513201126-42abcb6df8ee", vers: "v0.0.0-20190513201126-42abcb6df8ee"},
{path: queryRepo, query: "upgrade", allow: "NOMATCH", err: `no matching versions for query "upgrade"`},
{path: queryRepo, query: "upgrade", current: "v1.9.9", allow: "NOMATCH", err: `vcs-test.golang.org/git/querytest.git@v1.9.9: disallowed module version`},
{path: queryRepo, query: "upgrade", current: "v1.99.99", err: `vcs-test.golang.org/git/querytest.git@v1.99.99: invalid version: unknown revision v1.99.99`},
{path: queryRepo, query: "patch", current: "", err: `can't query version "patch" of module vcs-test.golang.org/git/querytest.git: no existing version is required`},
{path: queryRepo, query: "patch", current: "v0.1.0", vers: "v0.1.2"},
{path: queryRepo, query: "patch", current: "v1.9.0", vers: "v1.9.9"},
{path: queryRepo, query: "patch", current: "v1.9.10-pre1", vers: "v1.9.10-pre1"},
{path: queryRepo, query: "patch", current: "v1.9.10-pre2+metadata", vers: "v1.9.10-pre2.0.20190513201126-42abcb6df8ee"},
{path: queryRepo, query: "patch", current: "v1.99.99", err: `vcs-test.golang.org/git/querytest.git@v1.99.99: invalid version: unknown revision v1.99.99`},
{path: queryRepo, query: ">v1.9.9", vers: "v1.9.10-pre1"},
{path: queryRepo, query: ">v1.10.0", err: `no matching versions for query ">v1.10.0"`},
{path: queryRepo, query: ">=v1.10.0", err: `no matching versions for query ">=v1.10.0"`},
{path: queryRepo, query: "6cf84eb", vers: "v0.0.2-0.20180704023347-6cf84ebaea54"},
// golang.org/issue/27173: A pseudo-version may be based on the highest tag on
// any parent commit, or any existing semantically-lower tag: a given commit
// could have been a pre-release for a backport tag at any point.
{path: queryRepo, query: "3ef0cec634e0", vers: "v0.1.2-0.20180704023347-3ef0cec634e0"},
{path: queryRepo, query: "v0.1.2-0.20180704023347-3ef0cec634e0", vers: "v0.1.2-0.20180704023347-3ef0cec634e0"},
{path: queryRepo, query: "v0.1.1-0.20180704023347-3ef0cec634e0", vers: "v0.1.1-0.20180704023347-3ef0cec634e0"},
{path: queryRepo, query: "v0.0.4-0.20180704023347-3ef0cec634e0", vers: "v0.0.4-0.20180704023347-3ef0cec634e0"},
// Invalid tags are tested in cmd/go/testdata/script/mod_pseudo_invalid.txt.
{path: queryRepo, query: "start", vers: "v0.0.0-20180704023101-5e9e31667ddf"},
{path: queryRepo, query: "5e9e31667ddf", vers: "v0.0.0-20180704023101-5e9e31667ddf"},
{path: queryRepo, query: "v0.0.0-20180704023101-5e9e31667ddf", vers: "v0.0.0-20180704023101-5e9e31667ddf"},
{path: queryRepo, query: "7a1b6bf", vers: "v0.1.0"},
{path: queryRepoV2, query: "<v0.0.0", err: `no matching versions for query "<v0.0.0"`},
{path: queryRepoV2, query: "<=v0.0.0", err: `no matching versions for query "<=v0.0.0"`},
{path: queryRepoV2, query: ">v0.0.0", vers: "v2.0.0"},
{path: queryRepoV2, query: ">=v0.0.0", vers: "v2.0.0"},
{path: queryRepoV2, query: "v2", vers: "v2.5.5"},
{path: queryRepoV2, query: "v2.5", vers: "v2.5.5"},
{path: queryRepoV2, query: "v2.6", err: `no matching versions for query "v2.6"`},
{path: queryRepoV2, query: "v2.6.0-pre1", vers: "v2.6.0-pre1"},
{path: queryRepoV2, query: "latest", vers: "v2.5.5"},
// Commit e0cf3de987e6 is actually v1.19.10-pre1, not anything resembling v3,
// and it has a go.mod file with a non-v3 module path. Attempting to query it
// as the v3 module should fail.
{path: queryRepoV3, query: "e0cf3de987e6", err: `vcs-test.golang.org/git/querytest.git/v3@v3.0.0-20180704024501-e0cf3de987e6: invalid version: go.mod has non-.../v3 module path "vcs-test.golang.org/git/querytest.git" (and .../v3/go.mod does not exist) at revision e0cf3de987e6`},
// The querytest repo does not have any commits tagged with major version 3,
// and the latest commit in the repo has a go.mod file specifying a non-v3 path.
// That should prevent us from resolving any version for the /v3 path.
{path: queryRepoV3, query: "latest", err: `no matching versions for query "latest"`},
{path: emptyRepoPath, query: "latest", vers: "v0.0.0-20180704023549-7bb914627242"},
{path: emptyRepoPath, query: ">v0.0.0", err: `no matching versions for query ">v0.0.0"`},
{path: emptyRepoPath, query: "<v10.0.0", err: `no matching versions for query "<v10.0.0"`},
}
func TestQuery(t *testing.T) {
testenv.MustHaveExternalNetwork(t)
testenv.MustHaveExecPath(t, "git")
ctx := context.Background()
for _, tt := range queryTests {
allow := tt.allow
if allow == "" {
allow = "*"
}
allowed := func(ctx context.Context, m module.Version) error {
if ok, _ := path.Match(allow, m.Version); !ok {
return module.VersionError(m, ErrDisallowed)
}
return nil
}
tt := tt
t.Run(strings.ReplaceAll(tt.path, "/", "_")+"/"+tt.query+"/"+tt.current+"/"+allow, func(t *testing.T) {
t.Parallel()
info, err := Query(ctx, tt.path, tt.query, tt.current, allowed)
if tt.err != "" {
if err == nil {
t.Errorf("Query(_, %q, %q, %q, %v) = %v, want error %q", tt.path, tt.query, tt.current, allow, info.Version, tt.err)
} else if err.Error() != tt.err {
t.Errorf("Query(_, %q, %q, %q, %v): %v\nwant error %q", tt.path, tt.query, tt.current, allow, err, tt.err)
}
return
}
if err != nil {
t.Fatalf("Query(_, %q, %q, %q, %v): %v\nwant %v", tt.path, tt.query, tt.current, allow, err, tt.vers)
}
if info.Version != tt.vers {
t.Errorf("Query(_, %q, %q, %q, %v) = %v, want %v", tt.path, tt.query, tt.current, allow, info.Version, tt.vers)
}
})
}
}