mirror of
https://github.com/rclone/rclone
synced 2024-12-22 13:03:02 +01:00
albertony
Ivan Andreev
parent
2925e1384c
commit
08a2df51be
@ -373,7 +373,7 @@ func (u *UI) Draw() error {
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extras := ""
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if u.showCounts {
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if count > 0 {
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extras += fmt.Sprintf("%8v ", fs.SizeSuffix(count))
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extras += fmt.Sprintf("%8v ", fs.CountSuffix(count))
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} else {
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extras += " "
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}
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189
fs/countsuffix.go
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189
fs/countsuffix.go
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@ -0,0 +1,189 @@
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package fs
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// CountSuffix is parsed by flag with k/M/G decimal suffixes
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import (
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"fmt"
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"math"
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"sort"
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"strconv"
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"strings"
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"github.com/pkg/errors"
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)
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// CountSuffix is an int64 with a friendly way of printing setting
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type CountSuffix int64
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// Common multipliers for SizeSuffix
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const (
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CountSuffixBase CountSuffix = 1
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Kilo = 1000 * CountSuffixBase
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Mega = 1000 * Kilo
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Giga = 1000 * Mega
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Tera = 1000 * Giga
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Peta = 1000 * Tera
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Exa = 1000 * Peta
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)
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const (
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// CountSuffixMax is the largest CountSuffix multiplier
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CountSuffixMax = Exa
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// CountSuffixMaxValue is the largest value that can be used to create CountSuffix
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CountSuffixMaxValue = math.MaxInt64
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// CountSuffixMinValue is the smallest value that can be used to create CountSuffix
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CountSuffixMinValue = math.MinInt64
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)
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// Turn CountSuffix into a string and a suffix
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func (x CountSuffix) string() (string, string) {
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scaled := float64(0)
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suffix := ""
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switch {
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case x < 0:
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return "off", ""
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case x == 0:
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return "0", ""
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case x < Kilo:
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scaled = float64(x)
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suffix = ""
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case x < Mega:
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scaled = float64(x) / float64(Kilo)
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suffix = "k"
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case x < Giga:
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scaled = float64(x) / float64(Mega)
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suffix = "M"
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case x < Tera:
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scaled = float64(x) / float64(Giga)
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suffix = "G"
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case x < Peta:
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scaled = float64(x) / float64(Tera)
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suffix = "T"
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case x < Exa:
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scaled = float64(x) / float64(Peta)
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suffix = "P"
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default:
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scaled = float64(x) / float64(Exa)
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suffix = "E"
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}
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if math.Floor(scaled) == scaled {
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return fmt.Sprintf("%.0f", scaled), suffix
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}
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return fmt.Sprintf("%.3f", scaled), suffix
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}
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// String turns CountSuffix into a string
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func (x CountSuffix) String() string {
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val, suffix := x.string()
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return val + suffix
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}
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// Unit turns CountSuffix into a string with a unit
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func (x CountSuffix) Unit(unit string) string {
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val, suffix := x.string()
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if val == "off" {
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return val
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}
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var suffixUnit string
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if suffix != "" && unit != "" {
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suffixUnit = suffix + unit
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} else {
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suffixUnit = suffix + unit
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}
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return val + " " + suffixUnit
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}
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func (x *CountSuffix) multiplierFromSymbol(s byte) (found bool, multiplier float64) {
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switch s {
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case 'k', 'K':
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return true, float64(Kilo)
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case 'm', 'M':
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return true, float64(Mega)
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case 'g', 'G':
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return true, float64(Giga)
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case 't', 'T':
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return true, float64(Tera)
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case 'p', 'P':
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return true, float64(Peta)
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case 'e', 'E':
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return true, float64(Exa)
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default:
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return false, float64(CountSuffixBase)
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}
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}
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// Set a CountSuffix
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func (x *CountSuffix) Set(s string) error {
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if len(s) == 0 {
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return errors.New("empty string")
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}
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if strings.ToLower(s) == "off" {
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*x = -1
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return nil
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}
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suffix := s[len(s)-1]
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suffixLen := 1
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multiplierFound := false
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var multiplier float64
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switch suffix {
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case '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '.':
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suffixLen = 0
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multiplier = float64(Kilo)
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case 'b', 'B':
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if len(s) > 1 {
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suffix = s[len(s)-2]
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if multiplierFound, multiplier = x.multiplierFromSymbol(suffix); multiplierFound {
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suffixLen = 2
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}
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} else {
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multiplier = float64(CountSuffixBase)
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}
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default:
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if multiplierFound, multiplier = x.multiplierFromSymbol(suffix); !multiplierFound {
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return errors.Errorf("bad suffix %q", suffix)
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}
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}
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s = s[:len(s)-suffixLen]
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value, err := strconv.ParseFloat(s, 64)
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if err != nil {
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return err
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}
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if value < 0 {
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return errors.Errorf("size can't be negative %q", s)
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}
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value *= multiplier
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*x = CountSuffix(value)
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return nil
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}
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// Type of the value
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func (x *CountSuffix) Type() string {
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return "CountSuffix"
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}
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// Scan implements the fmt.Scanner interface
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func (x *CountSuffix) Scan(s fmt.ScanState, ch rune) error {
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token, err := s.Token(true, nil)
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if err != nil {
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return err
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}
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return x.Set(string(token))
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}
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// CountSuffixList is a slice CountSuffix values
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type CountSuffixList []CountSuffix
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func (l CountSuffixList) Len() int { return len(l) }
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func (l CountSuffixList) Swap(i, j int) { l[i], l[j] = l[j], l[i] }
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func (l CountSuffixList) Less(i, j int) bool { return l[i] < l[j] }
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// Sort sorts the list
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func (l CountSuffixList) Sort() {
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sort.Sort(l)
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}
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// UnmarshalJSON makes sure the value can be parsed as a string or integer in JSON
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func (x *CountSuffix) UnmarshalJSON(in []byte) error {
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return UnmarshalJSONFlag(in, x, func(i int64) error {
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*x = CountSuffix(i)
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return nil
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})
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}
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147
fs/countsuffix_test.go
Normal file
147
fs/countsuffix_test.go
Normal file
@ -0,0 +1,147 @@
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package fs
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import (
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"encoding/json"
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"fmt"
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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// Check it satisfies the interface
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var _ flagger = (*CountSuffix)(nil)
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func TestCountSuffixString(t *testing.T) {
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for _, test := range []struct {
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in float64
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want string
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}{
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{0, "0"},
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{102, "102"},
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{1000, "1k"},
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{1000 * 1000, "1M"},
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{1000 * 1000 * 1000, "1G"},
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{10 * 1000 * 1000 * 1000, "10G"},
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{10.1 * 1000 * 1000 * 1000, "10.100G"},
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{-1, "off"},
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{-100, "off"},
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} {
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ss := CountSuffix(test.in)
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got := ss.String()
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assert.Equal(t, test.want, got)
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}
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}
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func TestCountSuffixUnit(t *testing.T) {
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for _, test := range []struct {
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in float64
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want string
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}{
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{0, "0 Byte"},
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{102, "102 Byte"},
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{1000, "1 kByte"},
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{1000 * 1000, "1 MByte"},
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{1000 * 1000 * 1000, "1 GByte"},
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{10 * 1000 * 1000 * 1000, "10 GByte"},
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{10.1 * 1000 * 1000 * 1000, "10.100 GByte"},
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{10 * 1000 * 1000 * 1000 * 1000, "10 TByte"},
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{10 * 1000 * 1000 * 1000 * 1000 * 1000, "10 PByte"},
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{1 * 1000 * 1000 * 1000 * 1000 * 1000 * 1000, "1 EByte"},
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{-1, "off"},
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{-100, "off"},
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} {
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ss := CountSuffix(test.in)
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got := ss.Unit("Byte")
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assert.Equal(t, test.want, got)
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}
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}
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func TestCountSuffixSet(t *testing.T) {
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for _, test := range []struct {
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in string
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want int64
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err bool
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}{
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{"0", 0, false},
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{"1b", 1, false},
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{"100B", 100, false},
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{"0.1k", 100, false},
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{"0.1", 100, false},
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{"1K", 1000, false},
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{"1k", 1000, false},
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{"1KB", 1000, false},
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{"1kB", 1000, false},
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{"1kb", 1000, false},
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{"1", 1000, false},
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{"2.5", 1000 * 2.5, false},
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{"1M", 1000 * 1000, false},
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{"1MB", 1000 * 1000, false},
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{"1.g", 1000 * 1000 * 1000, false},
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{"10G", 10 * 1000 * 1000 * 1000, false},
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{"10T", 10 * 1000 * 1000 * 1000 * 1000, false},
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{"10P", 10 * 1000 * 1000 * 1000 * 1000 * 1000, false},
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{"off", -1, false},
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{"OFF", -1, false},
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{"", 0, true},
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{"1q", 0, true},
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{"1.q", 0, true},
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{"1q", 0, true},
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{"-1K", 0, true},
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{"1i", 0, true},
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{"1iB", 0, true},
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{"1Ki", 0, true},
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{"1KiB", 0, true},
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} {
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ss := CountSuffix(0)
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err := ss.Set(test.in)
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if test.err {
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require.Error(t, err, test.in)
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} else {
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require.NoError(t, err, test.in)
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}
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assert.Equal(t, test.want, int64(ss))
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}
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}
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func TestCountSuffixScan(t *testing.T) {
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var v CountSuffix
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n, err := fmt.Sscan(" 17M ", &v)
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require.NoError(t, err)
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assert.Equal(t, 1, n)
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assert.Equal(t, CountSuffix(17000000), v)
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}
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func TestCountSuffixUnmarshalJSON(t *testing.T) {
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for _, test := range []struct {
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in string
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want int64
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err bool
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}{
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{`"0"`, 0, false},
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{`"102B"`, 102, false},
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{`"1K"`, 1000, false},
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{`"2.5"`, 1000 * 2.5, false},
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{`"1M"`, 1000 * 1000, false},
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{`"1.g"`, 1000 * 1000 * 1000, false},
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{`"10G"`, 10 * 1000 * 1000 * 1000, false},
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{`"off"`, -1, false},
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{`""`, 0, true},
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{`"1q"`, 0, true},
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{`"-1K"`, 0, true},
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{`0`, 0, false},
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{`102`, 102, false},
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{`1000`, 1000, false},
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{`1000000000`, 1000000000, false},
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{`1.1.1`, 0, true},
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} {
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var ss CountSuffix
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err := json.Unmarshal([]byte(test.in), &ss)
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if test.err {
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require.Error(t, err, test.in)
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} else {
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require.NoError(t, err, test.in)
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}
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assert.Equal(t, test.want, int64(ss))
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}
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}
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