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mirror of https://github.com/octoleo/restic.git synced 2024-11-26 14:56:29 +00:00
restic/internal/ui/backup/progress_test.go
greatroar 04216eb9aa ui/backup: Replace channels with a mutex
The channel-based algorithm had grown quite complicated. This is easier
to reason about and likely to be more performant with very many
CompleteBlob calls.
2022-10-23 13:28:41 +02:00

88 lines
2.1 KiB
Go

package backup
import (
"context"
"io"
"sync"
"testing"
"time"
"github.com/restic/restic/internal/archiver"
"github.com/restic/restic/internal/restic"
)
type mockPrinter struct {
sync.Mutex
dirUnchanged, fileNew bool
id restic.ID
}
func (p *mockPrinter) Update(total, processed Counter, errors uint, currentFiles map[string]struct{}, start time.Time, secs uint64) {
}
func (p *mockPrinter) Error(item string, err error) error { return err }
func (p *mockPrinter) ScannerError(item string, err error) error { return err }
func (p *mockPrinter) CompleteItem(messageType string, item string, previous, current *restic.Node, s archiver.ItemStats, d time.Duration) {
p.Lock()
defer p.Unlock()
switch messageType {
case "dir unchanged":
p.dirUnchanged = true
case "file new":
p.fileNew = true
}
}
func (p *mockPrinter) ReportTotal(_ string, _ time.Time, _ archiver.ScanStats) {}
func (p *mockPrinter) Finish(id restic.ID, _ time.Time, summary *Summary, dryRun bool) {
p.Lock()
defer p.Unlock()
_ = *summary // Should not be nil.
p.id = id
}
func (p *mockPrinter) Reset() {}
func (p *mockPrinter) Stdout() io.WriteCloser { return nil }
func (p *mockPrinter) Stderr() io.WriteCloser { return nil }
func (p *mockPrinter) P(msg string, args ...interface{}) {}
func (p *mockPrinter) V(msg string, args ...interface{}) {}
func TestProgress(t *testing.T) {
t.Parallel()
prnt := &mockPrinter{}
prog := NewProgress(prnt, time.Millisecond)
ctx, cancel := context.WithCancel(context.Background())
go prog.Run(ctx)
prog.StartFile("foo")
prog.CompleteBlob(1024)
// "dir unchanged"
node := restic.Node{Type: "dir"}
prog.CompleteItem("foo", &node, &node, archiver.ItemStats{}, 0)
// "file new"
node.Type = "file"
prog.CompleteItem("foo", nil, &node, archiver.ItemStats{}, 0)
time.Sleep(10 * time.Millisecond)
cancel()
id := restic.NewRandomID()
prog.Finish(id, false)
if !prnt.dirUnchanged {
t.Error(`"dir unchanged" event not seen`)
}
if !prnt.fileNew {
t.Error(`"file new" event not seen`)
}
if prnt.id != id {
t.Errorf("id not stored (has %v)", prnt.id)
}
}