mirror of
https://github.com/neilotoole/sq.git
synced 2024-12-30 03:32:59 +03:00
114 lines
2.7 KiB
Go
114 lines
2.7 KiB
Go
package ioz_test
|
|
|
|
import (
|
|
"bytes"
|
|
"context"
|
|
"io"
|
|
"os"
|
|
"path/filepath"
|
|
"strings"
|
|
"sync"
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/stretchr/testify/assert"
|
|
"github.com/stretchr/testify/require"
|
|
|
|
"github.com/neilotoole/sq/libsq/core/ioz"
|
|
"github.com/neilotoole/sq/libsq/core/ioz/checksum"
|
|
)
|
|
|
|
func TestMarshalYAML(t *testing.T) {
|
|
m := map[string]any{
|
|
"hello": `sqlserver://sakila:p_ss"**W0rd@222.75.174.219?database=sakila`,
|
|
}
|
|
|
|
b, err := ioz.MarshalYAML(m)
|
|
require.NoError(t, err)
|
|
require.NotNil(t, b)
|
|
}
|
|
|
|
func TestChecksums(t *testing.T) {
|
|
f, err := os.CreateTemp(t.TempDir(), "sq-test-*")
|
|
require.NoError(t, err)
|
|
_, err = io.WriteString(f, "huzzah")
|
|
require.NoError(t, err)
|
|
assert.NoError(t, f.Close())
|
|
|
|
buf := &bytes.Buffer{}
|
|
|
|
gotSum1, err := checksum.ForFile(f.Name())
|
|
require.NoError(t, err)
|
|
t.Logf("gotSum1: %s %s", gotSum1, f.Name())
|
|
require.NoError(t, checksum.Write(buf, gotSum1, f.Name()))
|
|
|
|
gotSums, err := checksum.Read(bytes.NewReader(buf.Bytes()))
|
|
require.NoError(t, err)
|
|
require.Len(t, gotSums, 1)
|
|
require.Equal(t, gotSum1, gotSums[f.Name()])
|
|
|
|
// Make some changes to the file and verify that the checksums differ.
|
|
f, err = os.OpenFile(f.Name(), os.O_APPEND|os.O_WRONLY, 0o600)
|
|
require.NoError(t, err)
|
|
_, err = io.WriteString(f, "more huzzah")
|
|
require.NoError(t, err)
|
|
assert.NoError(t, f.Close())
|
|
gotSum2, err := checksum.ForFile(f.Name())
|
|
require.NoError(t, err)
|
|
t.Logf("gotSum2: %s %s", gotSum2, f.Name())
|
|
require.NoError(t, checksum.Write(buf, gotSum1, f.Name()))
|
|
require.NotEqual(t, gotSum1, gotSum2)
|
|
}
|
|
|
|
func TestDelayReader(t *testing.T) {
|
|
t.Parallel()
|
|
const (
|
|
limit = 100000
|
|
count = 15
|
|
)
|
|
|
|
wg := &sync.WaitGroup{}
|
|
wg.Add(count)
|
|
for i := 0; i < count; i++ {
|
|
go func(i int) {
|
|
defer wg.Done()
|
|
randRdr := ioz.LimitRandReader(limit)
|
|
r := ioz.DelayReader(randRdr, 150*time.Millisecond, true)
|
|
start := time.Now()
|
|
_, err := io.ReadAll(r)
|
|
elapsed := time.Since(start)
|
|
t.Logf("%2d: Elapsed: %s", i, elapsed)
|
|
require.NoError(t, err)
|
|
}(i)
|
|
}
|
|
|
|
wg.Wait()
|
|
}
|
|
|
|
func TestWriteToFile(t *testing.T) {
|
|
const val = `In Zanadu did Kubla Khan a stately pleasure dome decree`
|
|
ctx := context.Background()
|
|
dir := t.TempDir()
|
|
|
|
fp := filepath.Join(dir, "not_existing_intervening_dir", "test.txt")
|
|
written, err := ioz.WriteToFile(ctx, fp, strings.NewReader(val))
|
|
require.NoError(t, err)
|
|
require.Equal(t, int64(len(val)), written)
|
|
|
|
got, err := os.ReadFile(fp)
|
|
require.NoError(t, err)
|
|
require.Equal(t, val, string(got))
|
|
}
|
|
|
|
func TestRenameDir(t *testing.T) {
|
|
dir1, err := os.MkdirTemp("", "")
|
|
require.NoError(t, err)
|
|
|
|
dir2, err := os.MkdirTemp("", "")
|
|
require.NoError(t, err)
|
|
|
|
// Rename dir2 into dir1.
|
|
err = ioz.RenameDir(dir2, dir1)
|
|
require.NoError(t, err)
|
|
}
|