metis/testing/inject_test.go

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package testing_test
import (
"path/filepath"
"testing"
"metis/pkg/inject"
)
func TestInjectWrite(t *testing.T) {
tmp := t.TempDir()
boot := filepath.Join(tmp, "boot")
root := filepath.Join(tmp, "root")
inj := inject.Injector{BootPath: boot, RootPath: root}
files := []inject.FileSpec{
{Path: "config.txt", Content: []byte("bootcfg"), Mode: 0o644, RootFS: false},
{Path: "etc/hostname", Content: []byte("node"), Mode: 0o644, RootFS: true},
}
if err := inj.Write(files); err != nil {
t.Fatalf("Write: %v", err)
}
if got := readFile(t, filepath.Join(boot, "config.txt")); string(got) != "bootcfg" {
t.Fatalf("boot file = %q", got)
}
if got := readFile(t, filepath.Join(root, "etc/hostname")); string(got) != "node" {
t.Fatalf("root file = %q", got)
}
}