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go/misc/cgo/test/pkg_test.go
Bryan C. Mills ee6bec958d misc/cgo/test: set PWD when executing 'go test' in an alternate GOPATH
That makes the test more friendly to the Android exec script, since it
won't have to evaluate symlinks to find the directory.

Change-Id: I06aae3224d489eed6d7fac7e462361f3bf1dd3da
Reviewed-on: https://go-review.googlesource.com/c/164624
Run-TryBot: Bryan C. Mills <bcmills@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Elias Naur <mail@eliasnaur.com>
2019-03-01 18:35:31 +00:00

70 lines
2.0 KiB
Go

// Copyright 2019 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 cgotest
import (
"io/ioutil"
"os"
"os/exec"
"path/filepath"
"runtime"
"strings"
"testing"
)
// TestCrossPackageTests compiles and runs tests that depend on imports of other
// local packages, using source code stored in the testdata directory.
//
// The tests in the misc directory tree do not have a valid import path in
// GOPATH mode, so they previously used relative imports. However, relative
// imports do not work in module mode. In order to make the test work in both
// modes, we synthesize a GOPATH in which the module paths are equivalent, and
// run the tests as a subprocess.
//
// If and when we no longer support these tests in GOPATH mode, we can remove
// this shim and move the tests currently located in testdata back into the
// parent directory.
func TestCrossPackageTests(t *testing.T) {
switch runtime.GOOS {
case "android":
t.Skip("Can't exec cmd/go subprocess on Android.")
case "darwin":
switch runtime.GOARCH {
case "arm", "arm64":
t.Skip("Can't exec cmd/go subprocess on iOS.")
}
}
GOPATH, err := ioutil.TempDir("", "cgotest")
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(GOPATH)
modRoot := filepath.Join(GOPATH, "src", "cgotest")
if err := overlayDir(modRoot, "testdata"); err != nil {
t.Fatal(err)
}
if err := ioutil.WriteFile(filepath.Join(modRoot, "go.mod"), []byte("module cgotest\n"), 0666); err != nil {
t.Fatal(err)
}
cmd := exec.Command("go", "test")
if testing.Verbose() {
cmd.Args = append(cmd.Args, "-v")
}
if testing.Short() {
cmd.Args = append(cmd.Args, "-short")
}
cmd.Dir = modRoot
cmd.Env = append(os.Environ(), "GOPATH="+GOPATH, "PWD="+cmd.Dir)
out, err := cmd.CombinedOutput()
if err == nil {
t.Logf("%s:\n%s", strings.Join(cmd.Args, " "), out)
} else {
t.Fatalf("%s: %s\n%s", strings.Join(cmd.Args, " "), err, out)
}
}