A virtual jailed shell environment for Go apps backed by an io/fs#FS.
test(falsecmd): cover GNU-compatible exit-1 behavior
Adds the previously missing test file for the false coreutil.
Asserts exit status 1 with empty stdout/stderr regardless of
arguments, matching GNU coreutils.
Refs: docs/posix2018/CONFORMANCE.md
Assisted-by: Claude Opus 4.7 via Claude Code
Signed-off-by: Xe Iaso <me@xeiaso.net>
+55
+55
command/internal/falsecmd/falsecmd_test.go
+55
command/internal/falsecmd/falsecmd_test.go
···
1
+
package falsecmd
2
+
3
+
import (
4
+
"bytes"
5
+
"context"
6
+
"errors"
7
+
"testing"
8
+
9
+
"mvdan.cc/sh/v3/interp"
10
+
"tangled.org/xeiaso.net/kefka/command"
11
+
)
12
+
13
+
func run(t *testing.T, args []string) (string, string, error) {
14
+
t.Helper()
15
+
var stdout, stderr bytes.Buffer
16
+
ec := &command.ExecContext{
17
+
Stdout: &stdout,
18
+
Stderr: &stderr,
19
+
}
20
+
err := Impl{}.Exec(context.Background(), ec, args)
21
+
return stdout.String(), stderr.String(), err
22
+
}
23
+
24
+
func TestFalse(t *testing.T) {
25
+
tests := []struct {
26
+
name string
27
+
args []string
28
+
}{
29
+
{name: "no args", args: nil},
30
+
{name: "ignored args", args: []string{"foo", "bar", "baz"}},
31
+
{name: "looks-like-flag args", args: []string{"--help", "-x"}},
32
+
}
33
+
34
+
for _, tt := range tests {
35
+
t.Run(tt.name, func(t *testing.T) {
36
+
stdout, stderr, err := run(t, tt.args)
37
+
if err == nil {
38
+
t.Fatalf("expected non-nil error (exit 1), got nil")
39
+
}
40
+
var status interp.ExitStatus
41
+
if !errors.As(err, &status) {
42
+
t.Fatalf("expected interp.ExitStatus, got %T: %v", err, err)
43
+
}
44
+
if status != 1 {
45
+
t.Errorf("exit status = %d, want 1", status)
46
+
}
47
+
if stdout != "" {
48
+
t.Errorf("stdout = %q, want empty", stdout)
49
+
}
50
+
if stderr != "" {
51
+
t.Errorf("stderr = %q, want empty", stderr)
52
+
}
53
+
})
54
+
}
55
+
}