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package pkg_test
import (
"bytes"
"io/fs"
"reflect"
"testing"
"testing/fstest"
"hakurei.app/internal/pkg"
)
func TestFlatten(t *testing.T) {
t.Parallel()
testCases := []struct {
name string
fsys fs.FS
entries []pkg.FlatEntry
sum pkg.Checksum
err error
}{
{"bad type", fstest.MapFS{
".": {Mode: fs.ModeDir | 0700},
"invalid": {Mode: fs.ModeCharDevice | 0400},
}, nil, pkg.Checksum{}, pkg.InvalidFileModeError(
fs.ModeCharDevice | 0400,
)},
{"coldboot", fstest.MapFS{
".": {Mode: fs.ModeDir | 0700},
"devices": {Mode: fs.ModeDir | 0700},
"devices/uevent": {Mode: 0600, Data: []byte("add")},
"devices/empty": {Mode: fs.ModeDir | 0700},
"devices/sub": {Mode: fs.ModeDir | 0700},
"devices/sub/uevent": {Mode: 0600, Data: []byte("add")},
"block": {Mode: fs.ModeDir | 0700},
"block/uevent": {Mode: 0600, Data: []byte{}},
}, []pkg.FlatEntry{
{Mode: fs.ModeDir | 0700, Path: "."},
{Mode: fs.ModeDir | 0700, Path: "block"},
{Mode: 0600, Path: "block/uevent", Data: []byte{}},
{Mode: fs.ModeDir | 0700, Path: "devices"},
{Mode: fs.ModeDir | 0700, Path: "devices/empty"},
{Mode: fs.ModeDir | 0700, Path: "devices/sub"},
{Mode: 0600, Path: "devices/sub/uevent", Data: []byte("add")},
{Mode: 0600, Path: "devices/uevent", Data: []byte("add")},
}, pkg.MustDecode("mEy_Lf5KotThm7OwMx7yTKZh5HCCyaB41pVAvI9uDMgVQFM91iosBLYsRm8bDsX8"), nil},
{"empty", fstest.MapFS{
".": {Mode: fs.ModeDir | 0700},
"checksum": {Mode: fs.ModeDir | 0700},
"identifier": {Mode: fs.ModeDir | 0700},
"work": {Mode: fs.ModeDir | 0700},
}, []pkg.FlatEntry{
{Mode: fs.ModeDir | 0700, Path: "."},
{Mode: fs.ModeDir | 0700, Path: "checksum"},
{Mode: fs.ModeDir | 0700, Path: "identifier"},
{Mode: fs.ModeDir | 0700, Path: "work"},
}, pkg.MustDecode("E4vEZKhCcL2gPZ2Tt59FS3lDng-d_2SKa2i5G_RbDfwGn6EemptFaGLPUDiOa94C"), nil},
{"sample directory step garbage", fstest.MapFS{
".": {Mode: fs.ModeDir | 0500},
"lib": {Mode: fs.ModeDir | 0500},
"lib/check": {Mode: 0400, Data: []byte{}},
"lib/pkgconfig": {Mode: fs.ModeDir | 0500},
}, []pkg.FlatEntry{
{Mode: fs.ModeDir | 0500, Path: "."},
{Mode: fs.ModeDir | 0500, Path: "lib"},
{Mode: 0400, Path: "lib/check", Data: []byte{}},
{Mode: fs.ModeDir | 0500, Path: "lib/pkgconfig"},
}, pkg.MustDecode("CUx-3hSbTWPsbMfDhgalG4Ni_GmR9TnVX8F99tY_P5GtkYvczg9RrF5zO0jX9XYT"), nil},
}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
t.Parallel()
t.Run("roundtrip", func(t *testing.T) {
t.Parallel()
var buf bytes.Buffer
if _, err := pkg.Flatten(
tc.fsys,
".",
&buf,
); !reflect.DeepEqual(err, tc.err) {
t.Fatalf("Flatten: error = %v, want %v", err, tc.err)
} else if tc.err != nil {
return
}
s := pkg.NewDirScanner(bytes.NewReader(buf.Bytes()), true)
var got []pkg.FlatEntry
for s.Scan() {
got = append(got, *s.Entry())
}
if err := s.Err(); err != nil {
t.Fatalf("Err: error = %v", err)
}
if !reflect.DeepEqual(got, tc.entries) {
t.Fatalf("Scan: %#v, want %#v", got, tc.entries)
}
})
if tc.err != nil {
return
}
t.Run("hash", func(t *testing.T) {
t.Parallel()
var got pkg.Checksum
if err := pkg.HashFS(&got, tc.fsys, "."); err != nil {
t.Fatalf("HashFS: error = %v", err)
} else if got != tc.sum {
t.Fatalf("HashFS: %v", &pkg.ChecksumMismatchError{
Got: got,
Want: tc.sum,
})
}
})
})
}
}
|
