mirror of
https://github.com/golang/go
synced 2024-10-06 05:21:22 -06:00
4e4c1f9c4d
This speeds up sharded builds notably, by 1 second * the number of tests. Change-Id: Ib0295c31e4974f3003f72cb16c48949812b6f22b Reviewed-on: https://go-review.googlesource.com/10460 Reviewed-by: Andrew Gerrand <adg@golang.org> Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org>
749 lines
20 KiB
Go
749 lines
20 KiB
Go
// Copyright 2015 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package main
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import (
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"bytes"
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"errors"
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"flag"
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"fmt"
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"log"
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"os"
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"os/exec"
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"path/filepath"
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"regexp"
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"runtime"
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"strconv"
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"strings"
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"time"
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)
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func cmdtest() {
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var t tester
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flag.BoolVar(&t.listMode, "list", false, "list available tests")
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flag.BoolVar(&t.noRebuild, "no-rebuild", false, "don't rebuild std and cmd packages")
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flag.BoolVar(&t.keepGoing, "k", false, "keep going even when error occurred")
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flag.StringVar(&t.banner, "banner", "##### ", "banner prefix; blank means no section banners")
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flag.StringVar(&t.runRxStr, "run", os.Getenv("GOTESTONLY"),
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"run only those tests matching the regular expression; empty means to run all. "+
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"Special exception: if the string begins with '!', the match is inverted.")
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xflagparse(0)
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t.run()
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}
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// tester executes cmdtest.
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type tester struct {
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listMode bool
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noRebuild bool
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keepGoing bool
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runRxStr string
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runRx *regexp.Regexp
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runRxWant bool
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banner string // prefix, or "" for none
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goroot string
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goarch string
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gohostarch string
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goos string
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gohostos string
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cgoEnabled bool
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partial bool
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haveTime bool // the 'time' binary is available
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tests []distTest
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timeoutScale int
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}
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// A distTest is a test run by dist test.
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// Each test has a unique name and belongs to a group (heading)
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type distTest struct {
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name string // unique test name; may be filtered with -run flag
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heading string // group section; this header is printed before the test is run.
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fn func() error
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}
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func mustEnv(k string) string {
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v := os.Getenv(k)
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if v == "" {
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log.Fatalf("Unset environment variable %v", k)
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}
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return v
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}
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func (t *tester) run() {
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t.goroot = mustEnv("GOROOT")
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t.goos = mustEnv("GOOS")
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t.gohostos = mustEnv("GOHOSTOS")
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t.goarch = mustEnv("GOARCH")
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t.gohostarch = mustEnv("GOHOSTARCH")
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slurp, err := exec.Command("go", "env", "CGO_ENABLED").Output()
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if err != nil {
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log.Fatalf("Error running go env CGO_ENABLED: %v", err)
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}
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t.cgoEnabled, _ = strconv.ParseBool(strings.TrimSpace(string(slurp)))
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if t.hasBash() {
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if _, err := exec.LookPath("time"); err == nil {
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t.haveTime = true
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}
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}
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if !t.noRebuild {
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t.out("Building packages and commands.")
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cmd := exec.Command("go", "install", "-a", "-v", "std", "cmd")
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cmd.Stdout = os.Stdout
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cmd.Stderr = os.Stderr
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if err := cmd.Run(); err != nil {
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log.Fatalf("building packages and commands: %v", err)
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}
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}
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if t.iOS() {
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// Install the Mach exception handler used to intercept
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// EXC_BAD_ACCESS and convert it into a Go panic. This is
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// necessary for a Go program running under lldb (the way
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// we run tests). It is disabled by default because iOS
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// apps are not allowed to access the exc_server symbol.
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cmd := exec.Command("go", "install", "-a", "-tags", "lldb", "runtime/cgo")
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cmd.Stdout = os.Stdout
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cmd.Stderr = os.Stderr
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if err := cmd.Run(); err != nil {
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log.Fatalf("building mach exception handler: %v", err)
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}
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defer func() {
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cmd := exec.Command("go", "install", "-a", "runtime/cgo")
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cmd.Stdout = os.Stdout
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cmd.Stderr = os.Stderr
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if err := cmd.Run(); err != nil {
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log.Fatalf("reverting mach exception handler: %v", err)
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}
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}()
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}
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t.timeoutScale = 1
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if t.goarch == "arm" || t.goos == "windows" {
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t.timeoutScale = 2
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}
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if s := os.Getenv("GO_TEST_TIMEOUT_SCALE"); s != "" {
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t.timeoutScale, err = strconv.Atoi(s)
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if err != nil {
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log.Fatalf("failed to parse $GO_TEST_TIMEOUT_SCALE = %q as integer: %v", s, err)
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}
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}
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if t.runRxStr != "" {
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// Temporary (2015-05-14) special case for "std",
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// which the plan9 builder was using for ages. Delete
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// this once we update dashboard/builders.go to use a
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// regexp instead.
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if runtime.GOOS == "plan9" && t.runRxStr == "std" {
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t.runRxStr = "^go_test:"
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}
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if t.runRxStr[0] == '!' {
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t.runRxWant = false
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t.runRxStr = t.runRxStr[1:]
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} else {
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t.runRxWant = true
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}
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t.runRx = regexp.MustCompile(t.runRxStr)
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}
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t.registerTests()
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if t.listMode {
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for _, tt := range t.tests {
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fmt.Println(tt.name)
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}
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return
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}
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// we must unset GOROOT_FINAL before tests, because runtime/debug requires
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// correct access to source code, so if we have GOROOT_FINAL in effect,
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// at least runtime/debug test will fail.
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os.Unsetenv("GOROOT_FINAL")
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var lastHeading string
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ok := true
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for _, dt := range t.tests {
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if t.runRx != nil && (t.runRx.MatchString(dt.name) != t.runRxWant) {
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t.partial = true
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continue
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}
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if dt.heading != "" && lastHeading != dt.heading {
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lastHeading = dt.heading
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t.out(dt.heading)
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}
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if vflag > 0 {
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fmt.Printf("# go tool dist test -run=^%s$\n", dt.name)
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}
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if err := dt.fn(); err != nil {
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ok = false
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if t.keepGoing {
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log.Printf("Failed: %v", err)
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} else {
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log.Fatalf("Failed: %v", err)
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}
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}
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}
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if !ok {
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fmt.Println("\nFAILED")
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os.Exit(1)
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} else if t.partial {
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fmt.Println("\nALL TESTS PASSED (some were excluded)")
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} else {
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fmt.Println("\nALL TESTS PASSED")
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}
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}
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func (t *tester) timeout(sec int) string {
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return "-timeout=" + fmt.Sprint(time.Duration(sec)*time.Second*time.Duration(t.timeoutScale))
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}
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// ranGoTest and stdMatches are state closed over by the stdlib
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// testing func in registerStdTest below. The tests are run
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// sequentially, so there's no need for locks.
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var (
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ranGoTest bool
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stdMatches []string
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)
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func (t *tester) registerStdTest(pkg string) {
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testName := "go_test:" + pkg
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if t.runRx == nil || t.runRx.MatchString(testName) {
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stdMatches = append(stdMatches, pkg)
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}
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t.tests = append(t.tests, distTest{
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name: testName,
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heading: "Testing packages.",
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fn: func() error {
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if ranGoTest {
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return nil
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}
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ranGoTest = true
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cmd := exec.Command("go", append([]string{
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"test",
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"-short",
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t.timeout(120),
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"-gcflags=" + os.Getenv("GO_GCFLAGS"),
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}, stdMatches...)...)
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cmd.Stdout = os.Stdout
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cmd.Stderr = os.Stderr
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return cmd.Run()
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},
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})
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}
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// validStdPkg reports whether pkg looks like a standard library package name.
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// Notably, it's not blank and doesn't contain regexp characters.
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func validStdPkg(pkg string) bool {
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if pkg == "" {
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return false
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}
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for _, r := range pkg {
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switch {
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case 'a' <= r && r <= 'z':
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case 'A' <= r && r <= 'Z':
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case '0' <= r && r <= '9':
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case r == '_':
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case r == '/':
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default:
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return false
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}
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}
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return true
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}
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func (t *tester) registerTests() {
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// Fast path to avoid the ~1 second of `go list std cmd` when
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// the caller passed -run=^go_test:foo/bar$ (as the continuous
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// build coordinator does).
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if strings.HasPrefix(t.runRxStr, "^go_test:") && strings.HasSuffix(t.runRxStr, "$") {
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pkg := strings.TrimPrefix(t.runRxStr, "^go_test:")
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pkg = strings.TrimSuffix(pkg, "$")
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if validStdPkg(pkg) {
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t.registerStdTest(pkg)
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return
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}
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}
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// Runtime CPU tests.
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testName := "runtime:cpu124"
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t.tests = append(t.tests, distTest{
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name: testName,
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heading: "GOMAXPROCS=2 runtime -cpu=1,2,4",
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fn: func() error {
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cmd := t.dirCmd("src", "go", "test", "-short", t.timeout(300), "runtime", "-cpu=1,2,4")
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// We set GOMAXPROCS=2 in addition to -cpu=1,2,4 in order to test runtime bootstrap code,
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// creation of first goroutines and first garbage collections in the parallel setting.
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cmd.Env = mergeEnvLists([]string{"GOMAXPROCS=2"}, os.Environ())
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return cmd.Run()
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},
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})
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// sync tests
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t.tests = append(t.tests, distTest{
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name: "sync_cpu",
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heading: "sync -cpu=10",
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fn: func() error {
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return t.dirCmd("src", "go", "test", "sync", "-short", t.timeout(120), "-cpu=10").Run()
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},
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})
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if t.cgoEnabled && t.goos != "android" && !t.iOS() {
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// Disabled on android and iOS. golang.org/issue/8345
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t.tests = append(t.tests, distTest{
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name: "cgo_stdio",
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heading: "../misc/cgo/stdio",
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fn: func() error {
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return t.dirCmd("misc/cgo/stdio",
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"go", "run", filepath.Join(os.Getenv("GOROOT"), "test/run.go"), "-", ".").Run()
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},
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})
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t.tests = append(t.tests, distTest{
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name: "cgo_life",
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heading: "../misc/cgo/life",
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fn: func() error {
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return t.dirCmd("misc/cgo/life",
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"go", "run", filepath.Join(os.Getenv("GOROOT"), "test/run.go"), "-", ".").Run()
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},
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})
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}
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if t.cgoEnabled && t.goos != "android" && !t.iOS() {
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// TODO(crawshaw): reenable on android and iOS
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// golang.org/issue/8345
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//
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// These tests are not designed to run off the host.
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t.tests = append(t.tests, distTest{
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name: "cgo_test",
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heading: "../misc/cgo/test",
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fn: t.cgoTest,
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})
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}
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if t.raceDetectorSupported() {
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t.tests = append(t.tests, distTest{
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name: "race",
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heading: "Testing race detector",
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fn: t.raceTest,
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})
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}
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if t.hasBash() && t.cgoEnabled && t.goos != "android" && t.goos != "darwin" {
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t.registerTest("testgodefs", "../misc/cgo/testgodefs", "./test.bash")
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}
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if t.cgoEnabled {
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if t.gohostos == "windows" {
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t.tests = append(t.tests, distTest{
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name: "testso",
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heading: "../misc/cgo/testso",
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fn: t.cgoTestSOWindows,
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})
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} else if t.hasBash() && t.goos != "android" && !t.iOS() {
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t.registerTest("testso", "../misc/cgo/testso", "./test.bash")
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}
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if t.supportedBuildmode("c-archive") {
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t.registerTest("testcarchive", "../misc/cgo/testcarchive", "./test.bash")
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}
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if t.supportedBuildmode("c-shared") {
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t.registerTest("testcshared", "../misc/cgo/testcshared", "./test.bash")
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}
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if t.supportedBuildmode("shared") {
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t.registerTest("testshared", "../misc/cgo/testshared", "go", "test")
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}
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if t.gohostos == "linux" && t.goarch == "amd64" {
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t.registerTest("testasan", "../misc/cgo/testasan", "go", "run", "main.go")
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}
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if t.hasBash() && t.goos != "android" && !t.iOS() && t.gohostos != "windows" {
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t.registerTest("cgo_errors", "../misc/cgo/errors", "./test.bash")
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}
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if t.gohostos == "linux" && t.extLink() {
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t.registerTest("testsigfwd", "../misc/cgo/testsigfwd", "go", "run", "main.go")
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}
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}
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if t.hasBash() && t.goos != "nacl" && t.goos != "android" && !t.iOS() {
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t.registerTest("doc_progs", "../doc/progs", "time", "go", "run", "run.go")
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t.registerTest("wiki", "../doc/articles/wiki", "./test.bash")
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t.registerTest("codewalk", "../doc/codewalk", "time", "./run")
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t.registerTest("shootout", "../test/bench/shootout", "time", "./timing.sh", "-test")
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}
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if t.goos != "android" && !t.iOS() {
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t.registerTest("bench_go1", "../test/bench/go1", "go", "test")
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}
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if t.goos != "android" && !t.iOS() {
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// TODO(bradfitz): shard down into these tests, as
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// this is one of the slowest (and most shardable)
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// tests.
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t.tests = append(t.tests, distTest{
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name: "test",
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heading: "../test",
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fn: t.testDirTest,
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})
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}
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if t.goos != "nacl" && t.goos != "android" && !t.iOS() {
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t.tests = append(t.tests, distTest{
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name: "api",
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heading: "API check",
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fn: func() error {
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return t.dirCmd("src", "go", "run", filepath.Join(t.goroot, "src/cmd/api/run.go")).Run()
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},
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})
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}
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// Register the standard library tests lasts, to avoid the ~1 second latency
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// of running `go list std cmd` if we're running a specific test.
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// Now we know the names of all the other tests registered so far.
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if !t.wantSpecificRegisteredTest() {
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all, err := exec.Command("go", "list", "std", "cmd").Output()
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if err != nil {
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log.Fatalf("Error running go list std cmd: %v", err)
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}
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// Put the standard library tests first.
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orig := t.tests
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t.tests = nil
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for _, pkg := range strings.Fields(string(all)) {
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t.registerStdTest(pkg)
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}
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t.tests = append(t.tests, orig...)
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}
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}
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// wantSpecificRegisteredTest reports whether the caller is requesting a
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// run of a specific test via the flag -run=^TESTNAME$ (as is done by the
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// continuous build coordinator).
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func (t *tester) wantSpecificRegisteredTest() bool {
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if !strings.HasPrefix(t.runRxStr, "^") || !strings.HasSuffix(t.runRxStr, "$") {
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return false
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}
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test := t.runRxStr[1 : len(t.runRxStr)-1]
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return t.isRegisteredTestName(test)
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}
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|
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// isRegisteredTestName reports whether a test named testName has already
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// been registered.
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func (t *tester) isRegisteredTestName(testName string) bool {
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for _, tt := range t.tests {
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if tt.name == testName {
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return true
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}
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}
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return false
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}
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func (t *tester) registerTest(name, dirBanner, bin string, args ...string) {
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if bin == "time" && !t.haveTime {
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bin, args = args[0], args[1:]
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}
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t.tests = append(t.tests, distTest{
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name: name,
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heading: dirBanner,
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fn: func() error {
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return t.dirCmd(filepath.Join(t.goroot, "src", dirBanner), bin, args...).Run()
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},
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})
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}
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func (t *tester) dirCmd(dir string, bin string, args ...string) *exec.Cmd {
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cmd := exec.Command(bin, args...)
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if filepath.IsAbs(dir) {
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cmd.Dir = dir
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} else {
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cmd.Dir = filepath.Join(t.goroot, dir)
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}
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cmd.Stdout = os.Stdout
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cmd.Stderr = os.Stderr
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return cmd
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}
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func (t *tester) iOS() bool {
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return t.goos == "darwin" && (t.goarch == "arm" || t.goarch == "arm64")
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}
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func (t *tester) out(v string) {
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if t.banner == "" {
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return
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}
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fmt.Println("\n" + t.banner + v)
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}
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func (t *tester) extLink() bool {
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pair := t.gohostos + "-" + t.goarch
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switch pair {
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case "android-arm",
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"darwin-arm", "darwin-arm64",
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"dragonfly-386", "dragonfly-amd64",
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"freebsd-386", "freebsd-amd64", "freebsd-arm",
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"linux-386", "linux-amd64", "linux-arm",
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"netbsd-386", "netbsd-amd64",
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"openbsd-386", "openbsd-amd64",
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"windows-386", "windows-amd64":
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return true
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case "darwin-386", "darwin-amd64":
|
|
// linkmode=external fails on OS X 10.6 and earlier == Darwin
|
|
// 10.8 and earlier.
|
|
unameR, err := exec.Command("uname", "-r").Output()
|
|
if err != nil {
|
|
log.Fatalf("uname -r: %v", err)
|
|
}
|
|
major, _ := strconv.Atoi(string(unameR[:bytes.IndexByte(unameR, '.')]))
|
|
return major > 10
|
|
}
|
|
return false
|
|
}
|
|
|
|
func (t *tester) supportedBuildmode(mode string) bool {
|
|
pair := t.goos + "-" + t.goarch
|
|
switch mode {
|
|
case "c-archive":
|
|
if !t.extLink() {
|
|
return false
|
|
}
|
|
switch pair {
|
|
case "darwin-amd64", "darwin-arm", "darwin-arm64",
|
|
"linux-amd64", "linux-386":
|
|
return true
|
|
}
|
|
return false
|
|
case "c-shared":
|
|
// TODO(hyangah): add linux-386.
|
|
switch pair {
|
|
case "linux-amd64", "android-arm":
|
|
return true
|
|
}
|
|
return false
|
|
case "shared":
|
|
switch pair {
|
|
case "linux-amd64":
|
|
return true
|
|
}
|
|
return false
|
|
default:
|
|
log.Fatal("internal error: unknown buildmode %s", mode)
|
|
return false
|
|
}
|
|
}
|
|
|
|
func (t *tester) cgoTest() error {
|
|
env := mergeEnvLists([]string{"GOTRACEBACK=2"}, os.Environ())
|
|
|
|
if t.goos == "android" || t.iOS() {
|
|
cmd := t.dirCmd("misc/cgo/test", "go", "test")
|
|
cmd.Env = env
|
|
return cmd.Run()
|
|
}
|
|
|
|
cmd := t.dirCmd("misc/cgo/test", "go", "test", "-ldflags", "-linkmode=auto")
|
|
cmd.Env = env
|
|
if err := cmd.Run(); err != nil {
|
|
return err
|
|
}
|
|
|
|
if t.gohostos != "dragonfly" {
|
|
// linkmode=internal fails on dragonfly since errno is a TLS relocation.
|
|
cmd := t.dirCmd("misc/cgo/test", "go", "test", "-ldflags", "-linkmode=internal")
|
|
cmd.Env = env
|
|
if err := cmd.Run(); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
|
|
pair := t.gohostos + "-" + t.goarch
|
|
switch pair {
|
|
case "openbsd-386", "openbsd-amd64":
|
|
// test linkmode=external, but __thread not supported, so skip testtls.
|
|
cmd := t.dirCmd("misc/cgo/test", "go", "test", "-ldflags", "-linkmode=external")
|
|
cmd.Env = env
|
|
if err := cmd.Run(); err != nil {
|
|
return err
|
|
}
|
|
case "darwin-386", "darwin-amd64",
|
|
"windows-386", "windows-amd64":
|
|
if t.extLink() {
|
|
cmd := t.dirCmd("misc/cgo/test", "go", "test", "-ldflags", "-linkmode=external")
|
|
cmd.Env = env
|
|
if err := cmd.Run(); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
case "android-arm",
|
|
"dragonfly-386", "dragonfly-amd64",
|
|
"freebsd-386", "freebsd-amd64", "freebsd-arm",
|
|
"linux-386", "linux-amd64", "linux-arm",
|
|
"netbsd-386", "netbsd-amd64":
|
|
|
|
cmd := t.dirCmd("misc/cgo/test", "go", "test", "-ldflags", "-linkmode=external")
|
|
cmd.Env = env
|
|
if err := cmd.Run(); err != nil {
|
|
return err
|
|
}
|
|
cmd = t.dirCmd("misc/cgo/testtls", "go", "test", "-ldflags", "-linkmode=auto")
|
|
cmd.Env = env
|
|
if err := cmd.Run(); err != nil {
|
|
return err
|
|
}
|
|
cmd = t.dirCmd("misc/cgo/testtls", "go", "test", "-ldflags", "-linkmode=external")
|
|
cmd.Env = env
|
|
if err := cmd.Run(); err != nil {
|
|
return err
|
|
}
|
|
|
|
switch pair {
|
|
case "netbsd-386", "netbsd-amd64":
|
|
// no static linking
|
|
case "freebsd-arm":
|
|
// -fPIC compiled tls code will use __tls_get_addr instead
|
|
// of __aeabi_read_tp, however, on FreeBSD/ARM, __tls_get_addr
|
|
// is implemented in rtld-elf, so -fPIC isn't compatible with
|
|
// static linking on FreeBSD/ARM with clang. (cgo depends on
|
|
// -fPIC fundamentally.)
|
|
default:
|
|
cc := mustEnv("CC")
|
|
cmd := t.dirCmd("misc/cgo/test",
|
|
cc, "-xc", "-o", "/dev/null", "-static", "-")
|
|
cmd.Env = env
|
|
cmd.Stdin = strings.NewReader("int main() {}")
|
|
if err := cmd.Run(); err != nil {
|
|
fmt.Println("No support for static linking found (lacks libc.a?), skip cgo static linking test.")
|
|
} else {
|
|
cmd = t.dirCmd("misc/cgo/testtls", "go", "test", "-ldflags", `-linkmode=external -extldflags "-static -pthread"`)
|
|
cmd.Env = env
|
|
if err := cmd.Run(); err != nil {
|
|
return err
|
|
}
|
|
|
|
cmd = t.dirCmd("misc/cgo/nocgo", "go", "test")
|
|
cmd.Env = env
|
|
if err := cmd.Run(); err != nil {
|
|
return err
|
|
}
|
|
|
|
cmd = t.dirCmd("misc/cgo/nocgo", "go", "test", "-ldflags", `-linkmode=external`)
|
|
cmd.Env = env
|
|
if err := cmd.Run(); err != nil {
|
|
return err
|
|
}
|
|
|
|
cmd = t.dirCmd("misc/cgo/nocgo", "go", "test", "-ldflags", `-linkmode=external -extldflags "-static -pthread"`)
|
|
cmd.Env = env
|
|
if err := cmd.Run(); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
|
|
if pair != "freebsd-amd64" { // clang -pie fails to link misc/cgo/test
|
|
cmd := t.dirCmd("misc/cgo/test",
|
|
cc, "-xc", "-o", "/dev/null", "-pie", "-")
|
|
cmd.Env = env
|
|
cmd.Stdin = strings.NewReader("int main() {}")
|
|
if err := cmd.Run(); err != nil {
|
|
fmt.Println("No support for -pie found, skip cgo PIE test.")
|
|
} else {
|
|
cmd = t.dirCmd("misc/cgo/test", "go", "test", "-ldflags", `-linkmode=external -extldflags "-pie"`)
|
|
cmd.Env = env
|
|
if err := cmd.Run(); err != nil {
|
|
return fmt.Errorf("pie cgo/test: %v", err)
|
|
}
|
|
cmd = t.dirCmd("misc/cgo/testtls", "go", "test", "-ldflags", `-linkmode=external -extldflags "-pie"`)
|
|
cmd.Env = env
|
|
if err := cmd.Run(); err != nil {
|
|
return fmt.Errorf("pie cgo/testtls: %v", err)
|
|
}
|
|
cmd = t.dirCmd("misc/cgo/nocgo", "go", "test", "-ldflags", `-linkmode=external -extldflags "-pie"`)
|
|
cmd.Env = env
|
|
if err := cmd.Run(); err != nil {
|
|
return fmt.Errorf("pie cgo/nocgo: %v", err)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func (t *tester) cgoTestSOWindows() error {
|
|
cmd := t.dirCmd("misc/cgo/testso", `.\test`)
|
|
var buf bytes.Buffer
|
|
cmd.Stdout = &buf
|
|
cmd.Stderr = &buf
|
|
err := cmd.Run()
|
|
s := buf.String()
|
|
fmt.Println(s)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if strings.Contains(s, "FAIL") {
|
|
return errors.New("test failed")
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (t *tester) hasBash() bool {
|
|
switch t.gohostos {
|
|
case "windows", "plan9":
|
|
return false
|
|
}
|
|
return true
|
|
}
|
|
|
|
func (t *tester) raceDetectorSupported() bool {
|
|
switch t.gohostos {
|
|
case "linux", "darwin", "freebsd", "windows":
|
|
return t.cgoEnabled && t.goarch == "amd64" && t.gohostos == t.goos
|
|
}
|
|
return false
|
|
}
|
|
|
|
func (t *tester) raceTest() error {
|
|
if err := t.dirCmd("src", "go", "test", "-race", "-i", "runtime/race", "flag", "os/exec").Run(); err != nil {
|
|
return err
|
|
}
|
|
if err := t.dirCmd("src", "go", "test", "-race", "-run=Output", "runtime/race").Run(); err != nil {
|
|
return err
|
|
}
|
|
if err := t.dirCmd("src", "go", "test", "-race", "-short", "flag", "os/exec").Run(); err != nil {
|
|
return err
|
|
}
|
|
if t.extLink() {
|
|
// Test with external linking; see issue 9133.
|
|
if err := t.dirCmd("src", "go", "test", "-race", "-short", "-ldflags=-linkmode=external", "flag", "os/exec").Run(); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (t *tester) testDirTest() error {
|
|
const runExe = "runtest.exe" // named exe for Windows, but harmless elsewhere
|
|
cmd := t.dirCmd("test", "go", "build", "-o", runExe, "run.go")
|
|
cmd.Env = mergeEnvLists([]string{"GOOS=" + t.gohostos, "GOARCH=" + t.gohostarch, "GOMAXPROCS="}, os.Environ())
|
|
if err := cmd.Run(); err != nil {
|
|
return err
|
|
}
|
|
absExe := filepath.Join(cmd.Dir, runExe)
|
|
defer os.Remove(absExe)
|
|
if t.haveTime {
|
|
return t.dirCmd("test", "time", absExe).Run()
|
|
}
|
|
return t.dirCmd("test", absExe).Run()
|
|
}
|
|
|
|
// mergeEnvLists merges the two environment lists such that
|
|
// variables with the same name in "in" replace those in "out".
|
|
// out may be mutated.
|
|
func mergeEnvLists(in, out []string) []string {
|
|
NextVar:
|
|
for _, inkv := range in {
|
|
k := strings.SplitAfterN(inkv, "=", 2)[0]
|
|
for i, outkv := range out {
|
|
if strings.HasPrefix(outkv, k) {
|
|
out[i] = inkv
|
|
continue NextVar
|
|
}
|
|
}
|
|
out = append(out, inkv)
|
|
}
|
|
return out
|
|
}
|