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tailscale/tstest/archtest/qemu_test.go

75 lines
1.7 KiB
Go

// Copyright (c) 2021 Tailscale Inc & AUTHORS All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//go:build linux && amd64 && !race
package archtest
import (
"bytes"
"fmt"
"os"
"os/exec"
"strings"
"testing"
"tailscale.com/util/cibuild"
)
func TestInQemu(t *testing.T) {
t.Parallel()
type Arch struct {
Goarch string // GOARCH value
Qarch string // qemu name
}
arches := []Arch{
{"arm", "arm"},
{"arm64", "aarch64"},
{"mips", "mips"},
{"mipsle", "mipsel"},
{"mips64", "mips64"},
{"mips64le", "mips64el"},
{"386", "386"},
}
inCI := cibuild.On()
for _, arch := range arches {
arch := arch
t.Run(arch.Goarch, func(t *testing.T) {
t.Parallel()
qemuUser := "qemu-" + arch.Qarch
execVia := qemuUser
if arch.Goarch == "386" {
execVia = "" // amd64 can run it fine
} else {
look, err := exec.LookPath(qemuUser)
if err != nil {
if inCI {
t.Fatalf("in CI and qemu not available: %v", err)
}
t.Skipf("%s not found; skipping test. error was: %v", qemuUser, err)
}
t.Logf("using %v", look)
}
cmd := exec.Command("go",
"test",
"--exec="+execVia,
"-v",
"tailscale.com/tstest/archtest",
)
cmd.Env = append(os.Environ(), "GOARCH="+arch.Goarch)
out, err := cmd.CombinedOutput()
if err != nil {
if strings.Contains(string(out), "fatal error: sigaction failed") && !inCI {
t.Skip("skipping; qemu too old. use 5.x.")
}
t.Errorf("failed: %s", out)
}
sub := fmt.Sprintf("I am linux/%s", arch.Goarch)
if !bytes.Contains(out, []byte(sub)) {
t.Errorf("output didn't contain %q: %s", sub, out)
}
})
}
}