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7c1d6e35a5
Updates #11058 Change-Id: I35e7ef9b90e83cac04ca93fd964ad00ed5b48430 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
51 lines
1.0 KiB
Go
51 lines
1.0 KiB
Go
// Copyright (c) Tailscale Inc & AUTHORS
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// SPDX-License-Identifier: BSD-3-Clause
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package pidowner
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import (
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"math/rand"
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"os"
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"os/user"
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"testing"
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)
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func TestOwnerOfPID(t *testing.T) {
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id, err := OwnerOfPID(os.Getpid())
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if err == ErrNotImplemented {
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t.Skip(err)
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}
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if err != nil {
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t.Fatal(err)
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}
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t.Logf("id=%q", id)
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u, err := user.LookupId(id)
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if err != nil {
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t.Fatalf("LookupId: %v", err)
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}
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t.Logf("Got: %+v", u)
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}
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// validate that OS implementation returns ErrProcessNotFound.
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func TestNotFoundError(t *testing.T) {
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// Try a bunch of times to stumble upon a pid that doesn't exist...
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const tries = 50
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for range tries {
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_, err := OwnerOfPID(rand.Intn(1e9))
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if err == ErrNotImplemented {
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t.Skip(err)
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}
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if err == nil {
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// We got unlucky and this pid existed. Try again.
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continue
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}
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if err == ErrProcessNotFound {
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// Pass.
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return
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}
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t.Fatalf("Error is not ErrProcessNotFound: %T %v", err, err)
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}
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t.Errorf("after %d tries, couldn't find a process that didn't exist", tries)
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}
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