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Add Destination field to TimestampFlag

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Adds a `Destination` field for the `TimestampFlag` type that allows you to specify a pointer to
a `Timestamp` rather than having to grab the `Timestamp` from the `cli.Context` using the flag
name.
This commit is contained in:
David Bond
2021-03-07 03:36:56 +00:00
parent 13ded1e7c4
commit f2bed637fd
3 changed files with 24 additions and 9 deletions
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12
flag_test.go
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@@ -1973,3 +1973,15 @@ func TestTimestampFlagApply_Fail_Parse_Wrong_Time(t *testing.T) {
err := set.Parse([]string{"--time", "2006-01-02T15:04:05Z"})
expect(t, err, fmt.Errorf("invalid value \"2006-01-02T15:04:05Z\" for flag -time: parsing time \"2006-01-02T15:04:05Z\" as \"Jan 2, 2006 at 3:04pm (MST)\": cannot parse \"2006-01-02T15:04:05Z\" as \"Jan\""))
}
func TestTimestampFlagApply_WithDestination(t *testing.T) {
var destination Timestamp
expectedResult, _ := time.Parse(time.RFC3339, "2006-01-02T15:04:05Z")
fl := TimestampFlag{Name: "time", Aliases: []string{"t"}, Layout: time.RFC3339, Destination: &destination}
set := flag.NewFlagSet("test", 0)
_ = fl.Apply(set)
err := set.Parse([]string{"--time", "2006-01-02T15:04:05Z"})
expect(t, err, nil)
expect(t, *fl.Destination.timestamp, expectedResult)
}