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package pflag
import (
"fmt"
"os"
"testing"
"time"
)
func setUpTimeVar(t *time.Time, formats []string) *FlagSet {
f := NewFlagSet("test", ContinueOnError)
f.TimeVar(t, "time", time.Time{}, formats, "Time")
return f
}
func TestTime(t *testing.T) {
testCases := []struct {
input string
success bool
expected string
}{
{"2022-01-01T01:01:01+00:00", true, "2022-01-01T01:01:01Z"},
{" 2022-01-01T01:01:01+00:00", true, "2022-01-01T01:01:01Z"},
{"2022-01-01T01:01:01+00:00 ", true, "2022-01-01T01:01:01Z"},
{"2022-01-01T01:01:01+02:00", true, "2022-01-01T01:01:01+02:00"},
{"2022-01-01T01:01:01.01+02:00", true, "2022-01-01T01:01:01.01+02:00"},
{"Sat, 01 Jan 2022 01:01:01 +0000", true, "2022-01-01T01:01:01Z"},
{"Sat, 01 Jan 2022 01:01:01 +0200", true, "2022-01-01T01:01:01+02:00"},
{"Sat, 01 Jan 2022 01:01:01 +0000", true, "2022-01-01T01:01:01Z"},
{"", false, ""},
{"not a date", false, ""},
{"2022-01-01 01:01:01", false, ""},
{"2022-01-01T01:01:01", false, ""},
{"01 Jan 2022 01:01:01 +0000", false, ""},
{"Sat, 01 Jan 2022 01:01:01", false, ""},
}
devnull, _ := os.Open(os.DevNull)
os.Stderr = devnull
for i := range testCases {
var timeVar time.Time
formats := []string{time.RFC3339Nano, time.RFC1123Z}
f := setUpTimeVar(&timeVar, formats)
tc := &testCases[i]
arg := fmt.Sprintf("--time=%s", tc.input)
err := f.Parse([]string{arg})
if err != nil && tc.success == true {
t.Errorf("expected success, got %q", err)
continue
} else if err == nil && tc.success == false {
t.Errorf("expected failure")
continue
} else if tc.success {
timeResult, err := f.GetTime("time")
if err != nil {
t.Errorf("Got error trying to fetch the Time flag: %v", err)
}
if timeResult.Format(time.RFC3339Nano) != tc.expected {
t.Errorf("expected %q, got %q", tc.expected, timeVar.Format(time.RFC3339Nano))
}
}
}
}
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