rclone/fs/accounting/accounting_test.go
Aleksandar Jankovic be0464f5f1 accounting: change stats interface
This is done to make clear ownership over accounting object and prepare
for removing global stats object.

Stats elapsed time calculation has been altered to account for actual
transfer time instead of stats creation time.
2019-07-28 14:48:19 +01:00

250 lines
6.2 KiB
Go

package accounting
import (
"bytes"
"fmt"
"io"
"io/ioutil"
"strings"
"testing"
"unicode/utf8"
"github.com/ncw/rclone/fs"
"github.com/ncw/rclone/fs/asyncreader"
"github.com/ncw/rclone/fs/fserrors"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
// Check it satisfies the interfaces
var (
_ io.ReadCloser = &Account{}
_ io.Reader = &accountStream{}
_ Accounter = &Account{}
_ Accounter = &accountStream{}
)
func TestNewAccountSizeName(t *testing.T) {
in := ioutil.NopCloser(bytes.NewBuffer([]byte{1}))
stats := NewStats()
acc := newAccountSizeName(stats, in, 1, "test")
assert.Equal(t, in, acc.in)
assert.Equal(t, acc, stats.inProgress.get("test"))
err := acc.Close()
assert.NoError(t, err)
assert.Nil(t, stats.inProgress.get("test"))
}
func TestAccountWithBuffer(t *testing.T) {
in := ioutil.NopCloser(bytes.NewBuffer([]byte{1}))
stats := NewStats()
acc := newAccountSizeName(stats, in, -1, "test")
acc.WithBuffer()
// should have a buffer for an unknown size
_, ok := acc.in.(*asyncreader.AsyncReader)
require.True(t, ok)
assert.NoError(t, acc.Close())
acc = newAccountSizeName(stats, in, 1, "test")
acc.WithBuffer()
// should not have a buffer for a small size
_, ok = acc.in.(*asyncreader.AsyncReader)
require.False(t, ok)
assert.NoError(t, acc.Close())
}
func TestAccountGetUpdateReader(t *testing.T) {
in := ioutil.NopCloser(bytes.NewBuffer([]byte{1}))
stats := NewStats()
acc := newAccountSizeName(stats, in, 1, "test")
assert.Equal(t, in, acc.GetReader())
in2 := ioutil.NopCloser(bytes.NewBuffer([]byte{1}))
acc.UpdateReader(in2)
assert.Equal(t, in2, acc.GetReader())
assert.NoError(t, acc.Close())
}
func TestAccountRead(t *testing.T) {
in := ioutil.NopCloser(bytes.NewBuffer([]byte{1, 2, 3}))
stats := NewStats()
acc := newAccountSizeName(stats, in, 1, "test")
assert.True(t, acc.start.IsZero())
assert.Equal(t, 0, acc.lpBytes)
assert.Equal(t, int64(0), acc.bytes)
assert.Equal(t, int64(0), stats.bytes)
var buf = make([]byte, 2)
n, err := acc.Read(buf)
assert.NoError(t, err)
assert.Equal(t, 2, n)
assert.Equal(t, []byte{1, 2}, buf[:n])
assert.False(t, acc.start.IsZero())
assert.Equal(t, 2, acc.lpBytes)
assert.Equal(t, int64(2), acc.bytes)
assert.Equal(t, int64(2), stats.bytes)
n, err = acc.Read(buf)
assert.NoError(t, err)
assert.Equal(t, 1, n)
assert.Equal(t, []byte{3}, buf[:n])
n, err = acc.Read(buf)
assert.Equal(t, io.EOF, err)
assert.Equal(t, 0, n)
assert.NoError(t, acc.Close())
}
func TestAccountString(t *testing.T) {
in := ioutil.NopCloser(bytes.NewBuffer([]byte{1, 2, 3}))
stats := NewStats()
acc := newAccountSizeName(stats, in, 3, "test")
// FIXME not an exhaustive test!
assert.Equal(t, "test: 0% /3, 0/s, -", strings.TrimSpace(acc.String()))
var buf = make([]byte, 2)
n, err := acc.Read(buf)
assert.NoError(t, err)
assert.Equal(t, 2, n)
assert.Equal(t, "test: 66% /3, 0/s, -", strings.TrimSpace(acc.String()))
assert.NoError(t, acc.Close())
}
// Test the Accounter interface methods on Account and accountStream
func TestAccountAccounter(t *testing.T) {
in := ioutil.NopCloser(bytes.NewBuffer([]byte{1, 2, 3}))
stats := NewStats()
acc := newAccountSizeName(stats, in, 3, "test")
assert.True(t, in == acc.OldStream())
in2 := ioutil.NopCloser(bytes.NewBuffer([]byte{2, 3, 4}))
acc.SetStream(in2)
assert.True(t, in2 == acc.OldStream())
r := acc.WrapStream(in)
as, ok := r.(Accounter)
require.True(t, ok)
assert.True(t, in == as.OldStream())
assert.True(t, in2 == acc.OldStream())
accs, ok := r.(*accountStream)
require.True(t, ok)
assert.Equal(t, acc, accs.acc)
assert.True(t, in == accs.in)
// Check Read on the accountStream
var buf = make([]byte, 2)
n, err := r.Read(buf)
assert.NoError(t, err)
assert.Equal(t, 2, n)
assert.Equal(t, []byte{1, 2}, buf[:n])
// Test that we can get another accountstream out
in3 := ioutil.NopCloser(bytes.NewBuffer([]byte{3, 1, 2}))
r2 := as.WrapStream(in3)
as2, ok := r2.(Accounter)
require.True(t, ok)
assert.True(t, in3 == as2.OldStream())
assert.True(t, in2 == acc.OldStream())
accs2, ok := r2.(*accountStream)
require.True(t, ok)
assert.Equal(t, acc, accs2.acc)
assert.True(t, in3 == accs2.in)
// Test we can set this new accountStream
as2.SetStream(in)
assert.True(t, in == as2.OldStream())
// Test UnWrap on accountStream
unwrapped, wrap := UnWrap(r2)
assert.True(t, unwrapped == in)
r3 := wrap(in2)
assert.True(t, in2 == r3.(Accounter).OldStream())
// TestUnWrap on a normal io.Reader
unwrapped, wrap = UnWrap(in2)
assert.True(t, unwrapped == in2)
assert.True(t, wrap(in3) == in3)
}
func TestAccountMaxTransfer(t *testing.T) {
old := fs.Config.MaxTransfer
fs.Config.MaxTransfer = 15
defer func() {
fs.Config.MaxTransfer = old
}()
in := ioutil.NopCloser(bytes.NewBuffer(make([]byte, 100)))
stats := NewStats()
acc := newAccountSizeName(stats, in, 1, "test")
var b = make([]byte, 10)
n, err := acc.Read(b)
assert.Equal(t, 10, n)
assert.NoError(t, err)
n, err = acc.Read(b)
assert.Equal(t, 10, n)
assert.NoError(t, err)
n, err = acc.Read(b)
assert.Equal(t, 0, n)
assert.Equal(t, ErrorMaxTransferLimitReached, err)
assert.True(t, fserrors.IsFatalError(err))
}
func TestShortenName(t *testing.T) {
for _, test := range []struct {
in string
size int
want string
}{
{"", 0, ""},
{"abcde", 10, "abcde"},
{"abcde", 0, "abcde"},
{"abcde", -1, "abcde"},
{"abcde", 5, "abcde"},
{"abcde", 4, "ab…e"},
{"abcde", 3, "a…e"},
{"abcde", 2, "a…"},
{"abcde", 1, "…"},
{"abcdef", 6, "abcdef"},
{"abcdef", 5, "ab…ef"},
{"abcdef", 4, "ab…f"},
{"abcdef", 3, "a…f"},
{"abcdef", 2, "a…"},
{"áßcdèf", 1, "…"},
{"áßcdè", 5, "áßcdè"},
{"áßcdè", 4, "áß…è"},
{"áßcdè", 3, "á…è"},
{"áßcdè", 2, "á…"},
{"áßcdè", 1, "…"},
{"áßcdèł", 6, "áßcdèł"},
{"áßcdèł", 5, "áß…èł"},
{"áßcdèł", 4, "áß…ł"},
{"áßcdèł", 3, "á…ł"},
{"áßcdèł", 2, "á…"},
{"áßcdèł", 1, "…"},
} {
t.Run(fmt.Sprintf("in=%q, size=%d", test.in, test.size), func(t *testing.T) {
got := shortenName(test.in, test.size)
assert.Equal(t, test.want, got)
if test.size > 0 {
assert.True(t, utf8.RuneCountInString(got) <= test.size, "too big")
}
})
}
}