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https://github.com/kopia/kopia.git
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347adbfff1
- add {peta,exa}byte prefixes
- add test cases for units conversion
- refactor tests for units package
124 lines
2.6 KiB
Go
124 lines
2.6 KiB
Go
package units
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import (
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"fmt"
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"testing"
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"github.com/stretchr/testify/require"
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)
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var base10Cases = []struct {
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value uint64
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expected string
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}{
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{0, "0 B"},
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{1, "1 B"},
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{2, "2 B"},
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{899, "899 B"},
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{900, "0.9 KB"},
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{999, "1 KB"},
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{1000, "1 KB"},
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{1200, "1.2 KB"},
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{899999, "900 KB"},
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{900000, "0.9 MB"},
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{999000, "1 MB"},
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{999999, "1 MB"},
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{1000000, "1 MB"},
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{99000000, "99 MB"},
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{990000000, "1 GB"},
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{9990000000, "10 GB"},
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{99900000000, "99.9 GB"},
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{1000000000000, "1 TB"},
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{99000000000000, "99 TB"},
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{900000000000000 - 1, "900 TB"},
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{900000000000000, "0.9 PB"},
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{990000000000000, "1 PB"},
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{1000000000000000, "1 PB"},
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{800000000000000000, "800 PB"},
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{900000000000000000, "0.9 EB"},
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{990000000000000000, "1 EB"},
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{1000000000000000000, "1 EB"},
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{10000000000000000000, "10 EB"},
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}
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var base2Cases = []struct {
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value uint64
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expected string
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}{
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{0, "0 B"},
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{1, "1 B"},
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{2, "2 B"},
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{899, "899 B"},
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{900, "900 B"},
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{999, "1 KiB"},
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{1024, "1 KiB"},
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{1400, "1.4 KiB"},
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{900<<10 - 1, "900 KiB"},
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{900 << 10, "900 KiB"},
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{999000, "1 MiB"},
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{999999, "1 MiB"},
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{1000000, "1 MiB"},
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{99 << 20, "99 MiB"},
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{1 << 30, "1 GiB"},
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{10 << 30, "10 GiB"},
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{99900000000, "93 GiB"},
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{1000000000000, "0.9 TiB"},
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{1000000000000, "0.9 TiB"},
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{1 << 40, "1 TiB"},
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{10 << 40, "10 TiB"},
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{99000000000000, "90 TiB"},
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{900 << 40, "900 TiB"},
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{(950 << 40), "0.9 PiB"},
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{990 << 40, "1 PiB"},
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{1 << 50, "1 PiB"},
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{10 << 50, "10 PiB"},
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{90 << 50, "90 PiB"},
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{900 << 50, "900 PiB"},
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{(950 << 50), "0.9 EiB"},
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{990 << 50, "1 EiB"},
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{1 << 60, "1 EiB"},
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{10 << 60, "10 EiB"},
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{15 << 60, "15 EiB"},
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}
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func TestBytesStringBase10(t *testing.T) {
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for i, c := range base10Cases {
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t.Run(fmt.Sprint(i, "-", c.value), func(t *testing.T) {
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actual := BytesStringBase10(c.value)
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require.Equal(t, c.expected, actual)
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})
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}
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}
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func TestBytesStringBase2(t *testing.T) {
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for i, c := range base2Cases {
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t.Run(fmt.Sprint(i, "-", c.value), func(t *testing.T) {
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actual := BytesStringBase2(c.value)
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require.Equal(t, c.expected, actual)
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})
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}
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}
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func TestBytesString_base2EnvFalse(t *testing.T) {
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t.Setenv(bytesStringBase2Envar, "false")
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for i, c := range base10Cases {
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t.Run(fmt.Sprint(i, "-", c.value), func(t *testing.T) {
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actual := BytesString(c.value)
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require.Equal(t, c.expected, actual)
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})
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}
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}
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func TestBytesString_base2EnvTrue(t *testing.T) {
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t.Setenv(bytesStringBase2Envar, "true")
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for i, c := range base2Cases {
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t.Run(fmt.Sprint(i, "-", c.value), func(t *testing.T) {
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actual := BytesString(c.value)
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require.Equal(t, c.expected, actual)
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})
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}
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}
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