forked from TrueCloudLab/frostfs-node
[#493] node/config: Implement integer casters
Implement `Int` / `Uint` functions which casts value to `int64` / `uint64`. Implement safe functions `IntSafe` / `UintSafe`. Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>support/v0.27
parent
efcd12c71e
commit
2bbd4d0ee3
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@ -68,3 +68,60 @@ func Duration(c *Config, name string) time.Duration {
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func DurationSafe(c *Config, name string) time.Duration {
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return cast.ToDuration(c.Value(name))
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}
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// Bool reads configuration value
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// from c by name and casts it to bool.
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//
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// Panics if value can not be casted.
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func Bool(c *Config, name string) bool {
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x, err := cast.ToBoolE(c.Value(name))
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panicOnErr(err)
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return x
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}
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// BoolSafe reads configuration value
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// from c by name and casts it to bool.
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//
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// Returns false if value can not be casted.
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func BoolSafe(c *Config, name string) bool {
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return cast.ToBool(c.Value(name))
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}
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// Uint reads configuration value
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// from c by name and casts it to uint64.
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//
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// Panics if value can not be casted.
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func Uint(c *Config, name string) uint64 {
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x, err := cast.ToUint64E(c.Value(name))
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panicOnErr(err)
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return x
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}
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// UintSafe reads configuration value
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// from c by name and casts it to uint64.
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//
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// Returns 0 if value can not be casted.
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func UintSafe(c *Config, name string) uint64 {
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return cast.ToUint64(c.Value(name))
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}
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// Int reads configuration value
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// from c by name and casts it to int64.
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//
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// Panics if value can not be casted.
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func Int(c *Config, name string) int64 {
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x, err := cast.ToInt64E(c.Value(name))
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panicOnErr(err)
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return x
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}
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// IntSafe reads configuration value
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// from c by name and casts it to int64.
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//
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// Returns 0 if value can not be casted.
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func IntSafe(c *Config, name string) int64 {
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return cast.ToInt64(c.Value(name))
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}
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@ -62,3 +62,37 @@ func TestDuration(t *testing.T) {
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require.Equal(t, time.Duration(0), val)
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})
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}
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func TestNumbers(t *testing.T) {
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configtest.ForEachFileType("test/config", func(c *config.Config) {
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c = c.Sub("number")
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const (
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intPos = "int_pos"
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intNeg = "int_neg"
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fractPos = "fract_pos"
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fractNeg = "fract_neg"
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incorrect = "incorrect"
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)
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require.EqualValues(t, 1, config.Int(c, intPos))
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require.EqualValues(t, 1, config.Uint(c, intPos))
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require.EqualValues(t, -1, config.Int(c, intNeg))
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require.Panics(t, func() { config.Uint(c, intNeg) })
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require.EqualValues(t, 2, config.Int(c, fractPos))
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require.EqualValues(t, 2, config.Uint(c, fractPos))
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require.EqualValues(t, -2, config.Int(c, fractNeg))
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require.Panics(t, func() { config.Uint(c, fractNeg) })
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require.Panics(t, func() { config.Int(c, incorrect) })
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require.Panics(t, func() { config.Uint(c, incorrect) })
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require.Zero(t, config.IntSafe(c, incorrect))
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require.Zero(t, config.UintSafe(c, incorrect))
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})
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}
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@ -3,6 +3,7 @@
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"section": {
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"any": "thing"
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},
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"string_slice": {
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"empty": [],
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"filled": [
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@ -18,5 +19,12 @@
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"duration": {
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"correct": "15m",
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"incorrect": "some string"
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},
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"number": {
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"int_pos": 1,
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"int_neg": -1,
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"fract_pos": 2.5,
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"fract_neg": -2.5,
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"incorrect": "some string"
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}
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}
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@ -19,4 +19,11 @@ string:
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duration:
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correct: 15m
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incorrect: some string
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incorrect: some string
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number:
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int_pos: 1
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int_neg: -1
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fract_pos: 2.5
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fract_neg: -2.5
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incorrect: some string
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