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// Copyright (C) 2022-2023 Luke Shumaker <lukeshu@lukeshu.com>
//
// SPDX-License-Identifier: GPL-2.0-or-later
package lowmemjson_test
import (
"bytes"
"os"
"path/filepath"
"strings"
"testing"
"github.com/stretchr/testify/require"
"git.lukeshu.com/go/lowmemjson"
)
type ScanDevicesResult map[string]ScanOneDeviceResult
type ScanOneDeviceResult struct {
FoundExtentCSums []SysExtentCSum
}
type SysExtentCSum struct {
Generation int64
Sums SumRun
}
func TestRoundTrip(t *testing.T) {
t.Parallel()
dents, err := os.ReadDir(filepath.Join("testdata", "roundtrip"))
require.NoError(t, err)
for _, dent := range dents {
filename := dent.Name()
if !strings.HasSuffix(filename, ".json") {
continue
}
t.Run(strings.TrimSuffix(filename, ".json"), func(t *testing.T) {
t.Parallel()
inBytes, err := os.ReadFile(filepath.Join("testdata", "roundtrip", filename))
require.NoError(t, err)
var obj ScanDevicesResult
require.NoError(t, lowmemjson.NewDecoder(bytes.NewReader(inBytes)).DecodeThenEOF(&obj))
var outBytes bytes.Buffer
require.NoError(t, lowmemjson.NewEncoder(lowmemjson.NewReEncoder(&outBytes, lowmemjson.ReEncoderConfig{
Indent: "\t",
ForceTrailingNewlines: true,
CompactIfUnder: 16, //nolint:gomnd // This is what looks nice.
})).Encode(obj))
require.Equal(t, string(inBytes), outBytes.String())
})
}
}
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