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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 main
import (
"bytes"
"os"
"os/exec"
"path/filepath"
"runtime"
"strings"
"testing"
"github.com/rogpeppe/go-internal/gotooltest"
"github.com/rogpeppe/go-internal/internal/os/execpath"
"github.com/rogpeppe/go-internal/testscript"
)
func TestMain(m *testing.M) {
os.Exit(testscript.RunMain(m, map[string]func() int{
"testscript": main1,
}))
}
func TestScripts(t *testing.T) {
if _, err := exec.LookPath("go"); err != nil {
t.Fatalf("need go in PATH for these tests")
}
var stderr bytes.Buffer
cmd := exec.Command("go", "env", "GOMOD")
cmd.Stderr = &stderr
out, err := cmd.Output()
if err != nil {
t.Fatalf("failed to run %v: %v\n%s", strings.Join(cmd.Args, " "), err, stderr.String())
}
gomod := string(out)
if gomod == "" {
t.Fatalf("apparently we are not running in module mode?")
}
p := testscript.Params{
Dir: "testdata",
Setup: func(env *testscript.Env) error {
env.Vars = append(env.Vars,
"GOINTERNALMODPATH="+filepath.Dir(gomod),
"GONOSUMDB=*",
)
return nil
},
Cmds: map[string]func(ts *testscript.TestScript, neg bool, args []string){
"dropgofrompath": dropgofrompath,
"setfilegoproxy": setfilegoproxy,
"expandone": expandone,
},
}
if err := gotooltest.Setup(&p); err != nil {
t.Fatal(err)
}
testscript.Run(t, p)
}
func dropgofrompath(ts *testscript.TestScript, neg bool, args []string) {
if neg {
ts.Fatalf("unsupported: ! dropgofrompath")
}
var newPath []string
for _, d := range filepath.SplitList(ts.Getenv("PATH")) {
getenv := func(k string) string {
// Note that Windows and Plan9 use lowercase "path".
if strings.ToUpper(k) == "PATH" {
return d
}
return ts.Getenv(k)
}
if _, err := execpath.Look("go", getenv); err != nil {
newPath = append(newPath, d)
}
}
ts.Setenv("PATH", strings.Join(newPath, string(filepath.ListSeparator)))
}
func setfilegoproxy(ts *testscript.TestScript, neg bool, args []string) {
if neg {
ts.Fatalf("unsupported: ! setfilegoproxy")
}
path := args[0]
path = filepath.ToSlash(path)
// probably sufficient to just handle spaces
path = strings.Replace(path, " ", "%20", -1)
if runtime.GOOS == "windows" {
path = "/" + path
}
ts.Setenv("GOPROXY", "file://"+path)
}
// expandone takes a single glob-style argument that should expand to
// a single file, otherwise the command fails
func expandone(ts *testscript.TestScript, neg bool, args []string) {
if len(args) != 1 {
ts.Fatalf("expandone: expected a single argument")
}
if neg {
ts.Fatalf("unsupported: ! expandone")
}
glob := ts.MkAbs(args[0])
matches, err := filepath.Glob(glob)
if err != nil {
ts.Fatalf("expandone: failed to glob %q: %v", glob, err)
}
if n := len(matches); n != 1 {
ts.Fatalf("expandone: %q matched %v files, not 1", glob, n)
}
}
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