rclone/fs/operations/multithread_test.go
Nick Craig-Wood 57d5de6fba build: fix up package paths after repo move
git grep -l github.com/ncw/rclone | xargs -d'\n' perl -i~ -lpe 's|github.com/ncw/rclone|github.com/rclone/rclone|g'
goimports -w `find . -name \*.go`
2019-07-28 18:47:38 +01:00

80 lines
2.3 KiB
Go

package operations
import (
"context"
"fmt"
"testing"
"github.com/rclone/rclone/fs/accounting"
"github.com/rclone/rclone/fs"
"github.com/rclone/rclone/fstest"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestMultithreadCalculateChunks(t *testing.T) {
for _, test := range []struct {
size int64
streams int
wantPartSize int64
wantStreams int
}{
{size: 1, streams: 10, wantPartSize: multithreadChunkSize, wantStreams: 1},
{size: 1 << 20, streams: 1, wantPartSize: 1 << 20, wantStreams: 1},
{size: 1 << 20, streams: 2, wantPartSize: 1 << 19, wantStreams: 2},
{size: (1 << 20) + 1, streams: 2, wantPartSize: (1 << 19) + multithreadChunkSize, wantStreams: 2},
{size: (1 << 20) - 1, streams: 2, wantPartSize: (1 << 19), wantStreams: 2},
} {
t.Run(fmt.Sprintf("%+v", test), func(t *testing.T) {
mc := &multiThreadCopyState{
size: test.size,
streams: test.streams,
}
mc.calculateChunks()
assert.Equal(t, test.wantPartSize, mc.partSize)
assert.Equal(t, test.wantStreams, mc.streams)
})
}
}
func TestMultithreadCopy(t *testing.T) {
r := fstest.NewRun(t)
defer r.Finalise()
for _, test := range []struct {
size int
streams int
}{
{size: multithreadChunkSize*2 - 1, streams: 2},
{size: multithreadChunkSize * 2, streams: 2},
{size: multithreadChunkSize*2 + 1, streams: 2},
} {
t.Run(fmt.Sprintf("%+v", test), func(t *testing.T) {
var err error
contents := fstest.RandomString(test.size)
t1 := fstest.Time("2001-02-03T04:05:06.499999999Z")
file1 := r.WriteObject(context.Background(), "file1", contents, t1)
fstest.CheckItems(t, r.Fremote, file1)
fstest.CheckItems(t, r.Flocal)
src, err := r.Fremote.NewObject(context.Background(), "file1")
require.NoError(t, err)
accounting.GlobalStats().ResetCounters()
tr := accounting.GlobalStats().NewTransfer(src)
defer func() {
tr.Done(err)
}()
dst, err := multiThreadCopy(context.Background(), r.Flocal, "file1", src, 2, tr)
require.NoError(t, err)
assert.Equal(t, src.Size(), dst.Size())
assert.Equal(t, "file1", dst.Remote())
fstest.CheckListingWithPrecision(t, r.Fremote, []fstest.Item{file1}, nil, fs.ModTimeNotSupported)
require.NoError(t, dst.Remove(context.Background()))
})
}
}