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ae3963e4b4
Before this change options were read and set in native format. This means for example nanoseconds for durations or an integer for enumerated types, which isn't very convenient for humans. This change enables these types to be set with a string with the syntax as used in the command line instead, so `"10s"` rather than `10000000000` or `"DEBUG"` rather than `8` for log level.
147 lines
3.2 KiB
Go
147 lines
3.2 KiB
Go
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/spf13/pflag"
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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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// Interface which flags must satisfy - only defined for _test.go
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// since we don't want to pull in pflag here
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type flagger interface {
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pflag.Value
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json.Unmarshaler
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}
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// Check it satisfies the interface
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var _ flagger = (*SizeSuffix)(nil)
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func TestSizeSuffixString(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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{1024, "1k"},
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{1024 * 1024, "1M"},
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{1024 * 1024 * 1024, "1G"},
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{10 * 1024 * 1024 * 1024, "10G"},
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{10.1 * 1024 * 1024 * 1024, "10.100G"},
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{-1, "off"},
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{-100, "off"},
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} {
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ss := SizeSuffix(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 TestSizeSuffixUnit(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 Bytes"},
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{102, "102 Bytes"},
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{1024, "1 kBytes"},
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{1024 * 1024, "1 MBytes"},
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{1024 * 1024 * 1024, "1 GBytes"},
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{10 * 1024 * 1024 * 1024, "10 GBytes"},
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{10.1 * 1024 * 1024 * 1024, "10.100 GBytes"},
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{10 * 1024 * 1024 * 1024 * 1024, "10 TBytes"},
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{10 * 1024 * 1024 * 1024 * 1024 * 1024, "10 PBytes"},
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{1 * 1024 * 1024 * 1024 * 1024 * 1024 * 1024, "1024 PBytes"},
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{-1, "off"},
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{-100, "off"},
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} {
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ss := SizeSuffix(test.in)
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got := ss.Unit("Bytes")
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assert.Equal(t, test.want, got)
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}
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}
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func TestSizeSuffixSet(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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{"102B", 102, false},
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{"0.1k", 102, false},
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{"0.1", 102, false},
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{"1K", 1024, false},
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{"1", 1024, false},
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{"2.5", 1024 * 2.5, false},
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{"1M", 1024 * 1024, false},
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{"1.g", 1024 * 1024 * 1024, false},
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{"10G", 10 * 1024 * 1024 * 1024, false},
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{"10T", 10 * 1024 * 1024 * 1024 * 1024, false},
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{"10P", 10 * 1024 * 1024 * 1024 * 1024 * 1024, 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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} {
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ss := SizeSuffix(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 TestSizeSuffixScan(t *testing.T) {
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var v SizeSuffix
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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, SizeSuffix(17<<20), v)
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}
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func TestSizeSuffixUnmarshalJSON(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"`, 1024, false},
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{`"2.5"`, 1024 * 2.5, false},
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{`"1M"`, 1024 * 1024, false},
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{`"1.g"`, 1024 * 1024 * 1024, false},
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{`"10G"`, 10 * 1024 * 1024 * 1024, 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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{`1024`, 1024, 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 SizeSuffix
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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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