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https://github.com/golang/go
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551af5f50a
This change preserves the ability to test misc/cgo/test in GOPATH mode, at the cost of indirection through a 'go test' subprocess. Updates #30228 Change-Id: I08de855e62278d30fa622b2f7478e43dd2ab0e96 Reviewed-on: https://go-review.googlesource.com/c/163418 Run-TryBot: Bryan C. Mills <bcmills@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Ian Lance Taylor <iant@golang.org>
59 lines
1.7 KiB
Go
59 lines
1.7 KiB
Go
// Copyright 2019 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 cgotest
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import (
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"io/ioutil"
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"os"
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"os/exec"
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"path/filepath"
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"strings"
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"testing"
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)
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// TestCrossPackageTests compiles and runs tests that depend on imports of other
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// local packages, using source code stored in the testdata directory.
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//
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// The tests in the misc directory tree do not have a valid import path in
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// GOPATH mode, so they previously used relative imports. However, relative
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// imports do not work in module mode. In order to make the test work in both
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// modes, we synthesize a GOPATH in which the module paths are equivalent, and
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// run the tests as a subprocess.
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//
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// If and when we no longer support these tests in GOPATH mode, we can remove
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// this shim and move the tests currently located in testdata back into the
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// parent directory.
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func TestCrossPackageTests(t *testing.T) {
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GOPATH, err := ioutil.TempDir("", "cgotest")
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if err != nil {
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t.Fatal(err)
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}
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defer os.RemoveAll(GOPATH)
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modRoot := filepath.Join(GOPATH, "src", "cgotest")
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if err := overlayDir(modRoot, "testdata"); err != nil {
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t.Fatal(err)
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}
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if err := ioutil.WriteFile(filepath.Join(modRoot, "go.mod"), []byte("module cgotest\n"), 0666); err != nil {
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t.Fatal(err)
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}
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cmd := exec.Command("go", "test")
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if testing.Verbose() {
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cmd.Args = append(cmd.Args, "-v")
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}
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if testing.Short() {
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cmd.Args = append(cmd.Args, "-short")
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}
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cmd.Dir = modRoot
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cmd.Env = append(os.Environ(), "GOPATH="+GOPATH)
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out, err := cmd.CombinedOutput()
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if err == nil {
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t.Logf("%s:\n%s", strings.Join(cmd.Args, " "), out)
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} else {
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t.Fatalf("%s: %s\n%s", strings.Join(cmd.Args, " "), err, out)
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}
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}
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