storj/pkg/utils/utils_test.go
JT Olio 362f447d9f
cmd/statreceiver: lua-scriptable stat receiver (#636)
* cmd/statreceiver: lua-scriptable stat receiver

Change-Id: I3ce0fe3f1ef4b1f4f27eed90bac0e91cfecf22d7

* some updates

Change-Id: I7c3485adcda1278fce01ae077b4761b3ddb9fb7a

* more comments

Change-Id: I0bb22993cd934c3d40fc1da80d07e49e686b80dd

* linter fixes

Change-Id: Ied014304ecb9aadcf00a6b66ad28f856a428d150

* catch errors

Change-Id: I6e1920f1fd941e66199b30bc427285c19769fc70

* review feedback

Change-Id: I9d4051851eab18970c5f5ddcf4ff265508e541d3

* errorgroup improvements

Change-Id: I4699dda3022f0485fbb50c9dafe692d3921734ff

* too tricky

the previous thing was better for memory with lots of errors at a time
but https://play.golang.org/p/RweTMRjoSCt is too much of a foot gun

Change-Id: I23f0b3d77dd4288fcc20b3756a7110359576bf44
2018-12-11 11:24:31 -07:00

61 lines
1.3 KiB
Go

// Copyright (C) 2018 Storj Labs, Inc.
// See LICENSE for copying information.
package utils_test
import (
"testing"
"time"
"github.com/stretchr/testify/assert"
"github.com/zeebo/errs"
"storj.io/storj/pkg/utils"
)
func TestCollectSingleError(t *testing.T) {
errchan := make(chan error)
defer close(errchan)
go func() {
errchan <- errs.New("error")
}()
err := utils.CollectErrors(errchan, 1*time.Second)
assert.Error(t, err)
assert.Equal(t, err.Error(), "error")
}
func TestCollecMultipleError(t *testing.T) {
errchan := make(chan error)
defer close(errchan)
go func() {
errchan <- errs.New("error1")
errchan <- errs.New("error2")
errchan <- errs.New("error3")
}()
err := utils.CollectErrors(errchan, 1*time.Second)
assert.Error(t, err)
assert.Equal(t, err.Error(), "error1\nerror2\nerror3")
}
func TestErrorGroup(t *testing.T) {
var errlist utils.ErrorGroup
errlist.Add(nil, nil, nil)
assert.NoError(t, errlist.Finish())
assert.Equal(t, len(errlist), 0)
e1 := errs.New("err1")
errlist.Add(nil, nil, e1, nil)
assert.Equal(t, errlist.Finish(), e1)
assert.Equal(t, len(errlist), 1)
e2, e3 := errs.New("err2"), errs.New("err3")
errlist.Add(e2, e3)
assert.Error(t, errlist.Finish())
assert.Equal(t, len(errlist), 3)
assert.Equal(t, errlist[0], e1)
assert.Equal(t, errlist[1], e2)
assert.Equal(t, errlist[2], e3)
}