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package inspect
import (
"bytes"
"errors"
"io"
"io/ioutil"
"strings"
"sync/atomic"
"testing"
"github.com/grpc-ecosystem/go-grpc-middleware/logging/logrus/ctxlogrus"
"github.com/sirupsen/logrus"
"github.com/stretchr/testify/require"
"gitlab.com/gitlab-org/gitaly/internal/testhelper"
)
func TestWrite(t *testing.T) {
for _, tc := range []struct {
desc string
action func(io.Reader)
src io.Reader
exp []byte
expErrStr string
}{
{
desc: "all data consumed without errors",
action: func(reader io.Reader) {
data, err := ioutil.ReadAll(reader)
require.NoError(t, err)
require.Equal(t, []byte("somedata"), data)
},
src: strings.NewReader("somedata"),
exp: []byte("somedata"),
},
{
desc: "no data is ok",
action: func(reader io.Reader) {
data, err := ioutil.ReadAll(reader)
require.NoError(t, err)
require.Empty(t, data)
},
src: bytes.NewReader(nil),
exp: []byte{},
},
{
desc: "consumed by action partially",
action: func(reader io.Reader) {
b := make([]byte, 4)
n, err := reader.Read(b)
require.NoError(t, err)
require.Equal(t, 4, n)
require.Equal(t, []byte("some"), b)
},
src: strings.NewReader("somedata"),
exp: []byte("somedata"),
},
{
desc: "error on read",
action: func(reader io.Reader) {},
src: errReader("bad read"),
exp: []byte{},
expErrStr: "bad read",
},
} {
t.Run(tc.desc, func(t *testing.T) {
mainWriter := &bytes.Buffer{}
var checked int32
writer := NewWriter(mainWriter, func(reader io.Reader) {
tc.action(reader)
atomic.StoreInt32(&checked, 1)
})
_, err := io.Copy(writer, tc.src)
if tc.expErrStr != "" {
require.EqualError(t, err, tc.expErrStr)
} else {
require.NoError(t, err)
}
data, err := ioutil.ReadAll(mainWriter)
require.NoError(t, err)
require.Equal(t, tc.exp, data)
require.NoError(t, writer.Close())
require.Equal(t, int32(1), atomic.LoadInt32(&checked))
})
}
}
type errReader string
func (e errReader) Read(p []byte) (n int, err error) {
return 0, errors.New(string(e))
}
func TestLogPackInfoStatistic(t *testing.T) {
dest := &bytes.Buffer{}
log := &logrus.Logger{
Out: dest,
Formatter: &logrus.JSONFormatter{},
Level: logrus.InfoLevel,
}
ctx, cancel := testhelper.Context()
defer cancel()
ctx = ctxlogrus.ToContext(ctx, log.WithField("test", "logging"))
logging := LogPackInfoStatistic(ctx)
logging(strings.NewReader("0038\x41ACK 1e292f8fedd741b75372e19097c76d327140c312 ready\n0035\x02Total 1044 (delta 519), reused 1035 (delta 512)\n0038\x41ACK 1e292f8fedd741b75372e19097c76d327140c312 ready\n0000\x01"))
require.Contains(t, dest.String(), "Total 1044 (delta 519), reused 1035 (delta 512)")
require.NotContains(t, dest.String(), "ACK 1e292f8fedd741b75372e19097c76d327140c312")
}
|
