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// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code ds governed by a BSD-style
// license that can be found in the LICENSE file.
package pflag
import (
"fmt"
"strings"
"testing"
"time"
)
func setUpDSFlagSet(dsp *[]time.Duration) *FlagSet {
f := NewFlagSet("test", ContinueOnError)
f.DurationSliceVar(dsp, "ds", []time.Duration{}, "Command separated list!")
return f
}
func setUpDSFlagSetWithDefault(dsp *[]time.Duration) *FlagSet {
f := NewFlagSet("test", ContinueOnError)
f.DurationSliceVar(dsp, "ds", []time.Duration{0, 1}, "Command separated list!")
return f
}
func TestEmptyDS(t *testing.T) {
var ds []time.Duration
f := setUpDSFlagSet(&ds)
err := f.Parse([]string{})
if err != nil {
t.Fatal("expected no error; got", err)
}
getDS, err := f.GetDurationSlice("ds")
if err != nil {
t.Fatal("got an error from GetDurationSlice():", err)
}
if len(getDS) != 0 {
t.Fatalf("got ds %v with len=%d but expected length=0", getDS, len(getDS))
}
}
func TestDS(t *testing.T) {
var ds []time.Duration
f := setUpDSFlagSet(&ds)
vals := []string{"1ns", "2ms", "3m", "4h"}
arg := fmt.Sprintf("--ds=%s", strings.Join(vals, ","))
err := f.Parse([]string{arg})
if err != nil {
t.Fatal("expected no error; got", err)
}
for i, v := range ds {
d, err := time.ParseDuration(vals[i])
if err != nil {
t.Fatalf("got error: %v", err)
}
if d != v {
t.Fatalf("expected ds[%d] to be %s but got: %d", i, vals[i], v)
}
}
getDS, err := f.GetDurationSlice("ds")
if err != nil {
t.Fatalf("got error: %v", err)
}
for i, v := range getDS {
d, err := time.ParseDuration(vals[i])
if err != nil {
t.Fatalf("got error: %v", err)
}
if d != v {
t.Fatalf("expected ds[%d] to be %s but got: %d from GetDurationSlice", i, vals[i], v)
}
}
}
func TestDSDefault(t *testing.T) {
var ds []time.Duration
f := setUpDSFlagSetWithDefault(&ds)
vals := []string{"0s", "1ns"}
err := f.Parse([]string{})
if err != nil {
t.Fatal("expected no error; got", err)
}
for i, v := range ds {
d, err := time.ParseDuration(vals[i])
if err != nil {
t.Fatalf("got error: %v", err)
}
if d != v {
t.Fatalf("expected ds[%d] to be %d but got: %d", i, d, v)
}
}
getDS, err := f.GetDurationSlice("ds")
if err != nil {
t.Fatal("got an error from GetDurationSlice():", err)
}
for i, v := range getDS {
d, err := time.ParseDuration(vals[i])
if err != nil {
t.Fatal("got an error from GetDurationSlice():", err)
}
if d != v {
t.Fatalf("expected ds[%d] to be %d from GetDurationSlice but got: %d", i, d, v)
}
}
}
func TestDSWithDefault(t *testing.T) {
var ds []time.Duration
f := setUpDSFlagSetWithDefault(&ds)
vals := []string{"1ns", "2ns"}
arg := fmt.Sprintf("--ds=%s", strings.Join(vals, ","))
err := f.Parse([]string{arg})
if err != nil {
t.Fatal("expected no error; got", err)
}
for i, v := range ds {
d, err := time.ParseDuration(vals[i])
if err != nil {
t.Fatalf("got error: %v", err)
}
if d != v {
t.Fatalf("expected ds[%d] to be %d but got: %d", i, d, v)
}
}
getDS, err := f.GetDurationSlice("ds")
if err != nil {
t.Fatal("got an error from GetDurationSlice():", err)
}
for i, v := range getDS {
d, err := time.ParseDuration(vals[i])
if err != nil {
t.Fatalf("got error: %v", err)
}
if d != v {
t.Fatalf("expected ds[%d] to be %d from GetDurationSlice but got: %d", i, d, v)
}
}
}
func TestDSAsSliceValue(t *testing.T) {
var ds []time.Duration
f := setUpDSFlagSet(&ds)
in := []string{"1ns", "2ns"}
argfmt := "--ds=%s"
arg1 := fmt.Sprintf(argfmt, in[0])
arg2 := fmt.Sprintf(argfmt, in[1])
err := f.Parse([]string{arg1, arg2})
if err != nil {
t.Fatal("expected no error; got", err)
}
f.VisitAll(func(f *Flag) {
if val, ok := f.Value.(SliceValue); ok {
_ = val.Replace([]string{"3ns"})
}
})
if len(ds) != 1 || ds[0] != time.Duration(3) {
t.Fatalf("Expected ss to be overwritten with '3ns', but got: %v", ds)
}
}
func TestDSCalledTwice(t *testing.T) {
var ds []time.Duration
f := setUpDSFlagSet(&ds)
in := []string{"1ns,2ns", "3ns"}
expected := []time.Duration{1, 2, 3}
argfmt := "--ds=%s"
arg1 := fmt.Sprintf(argfmt, in[0])
arg2 := fmt.Sprintf(argfmt, in[1])
err := f.Parse([]string{arg1, arg2})
if err != nil {
t.Fatal("expected no error; got", err)
}
for i, v := range ds {
if expected[i] != v {
t.Fatalf("expected ds[%d] to be %d but got: %d", i, expected[i], v)
}
}
}
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