162 lines
3.6 KiB
Go
162 lines
3.6 KiB
Go
// Copyright 2009 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package pflag
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import (
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"fmt"
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"strconv"
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"strings"
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"testing"
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)
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func setUpISFlagSet(isp *[]int) *FlagSet {
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f := NewFlagSet("test", ContinueOnError)
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f.IntSliceVar(isp, "is", []int{}, "Command separated list!")
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return f
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}
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func setUpISFlagSetWithDefault(isp *[]int) *FlagSet {
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f := NewFlagSet("test", ContinueOnError)
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f.IntSliceVar(isp, "is", []int{0, 1}, "Command separated list!")
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return f
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}
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func TestEmptyIS(t *testing.T) {
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var is []int
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f := setUpISFlagSet(&is)
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err := f.Parse([]string{})
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if err != nil {
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t.Fatal("expected no error; got", err)
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}
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getIS, err := f.GetIntSlice("is")
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if err != nil {
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t.Fatal("got an error from GetIntSlice():", err)
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}
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if len(getIS) != 0 {
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t.Fatalf("got is %v with len=%d but expected length=0", getIS, len(getIS))
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}
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}
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func TestIS(t *testing.T) {
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var is []int
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f := setUpISFlagSet(&is)
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vals := []string{"1", "2", "4", "3"}
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arg := fmt.Sprintf("--is=%s", strings.Join(vals, ","))
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err := f.Parse([]string{arg})
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if err != nil {
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t.Fatal("expected no error; got", err)
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}
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for i, v := range is {
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d, err := strconv.Atoi(vals[i])
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if err != nil {
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t.Fatalf("got error: %v", err)
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}
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if d != v {
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t.Fatalf("expected is[%d] to be %s but got: %d", i, vals[i], v)
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}
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}
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getIS, err := f.GetIntSlice("is")
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for i, v := range getIS {
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d, err := strconv.Atoi(vals[i])
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if err != nil {
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t.Fatalf("got error: %v", err)
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}
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if d != v {
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t.Fatalf("expected is[%d] to be %s but got: %d from GetIntSlice", i, vals[i], v)
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}
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}
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}
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func TestISDefault(t *testing.T) {
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var is []int
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f := setUpISFlagSetWithDefault(&is)
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vals := []string{"0", "1"}
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err := f.Parse([]string{})
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if err != nil {
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t.Fatal("expected no error; got", err)
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}
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for i, v := range is {
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d, err := strconv.Atoi(vals[i])
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if err != nil {
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t.Fatalf("got error: %v", err)
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}
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if d != v {
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t.Fatalf("expected is[%d] to be %d but got: %d", i, d, v)
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}
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}
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getIS, err := f.GetIntSlice("is")
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if err != nil {
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t.Fatal("got an error from GetIntSlice():", err)
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}
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for i, v := range getIS {
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d, err := strconv.Atoi(vals[i])
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if err != nil {
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t.Fatal("got an error from GetIntSlice():", err)
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}
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if d != v {
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t.Fatalf("expected is[%d] to be %d from GetIntSlice but got: %d", i, d, v)
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}
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}
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}
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func TestISWithDefault(t *testing.T) {
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var is []int
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f := setUpISFlagSetWithDefault(&is)
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vals := []string{"1", "2"}
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arg := fmt.Sprintf("--is=%s", strings.Join(vals, ","))
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err := f.Parse([]string{arg})
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if err != nil {
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t.Fatal("expected no error; got", err)
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}
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for i, v := range is {
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d, err := strconv.Atoi(vals[i])
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if err != nil {
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t.Fatalf("got error: %v", err)
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}
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if d != v {
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t.Fatalf("expected is[%d] to be %d but got: %d", i, d, v)
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}
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}
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getIS, err := f.GetIntSlice("is")
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if err != nil {
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t.Fatal("got an error from GetIntSlice():", err)
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}
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for i, v := range getIS {
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d, err := strconv.Atoi(vals[i])
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if err != nil {
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t.Fatalf("got error: %v", err)
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}
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if d != v {
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t.Fatalf("expected is[%d] to be %d from GetIntSlice but got: %d", i, d, v)
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}
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}
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}
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func TestISCalledTwice(t *testing.T) {
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var is []int
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f := setUpISFlagSet(&is)
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in := []string{"1,2", "3"}
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expected := []int{1, 2, 3}
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argfmt := "--is=%s"
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arg1 := fmt.Sprintf(argfmt, in[0])
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arg2 := fmt.Sprintf(argfmt, in[1])
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err := f.Parse([]string{arg1, arg2})
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if err != nil {
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t.Fatal("expected no error; got", err)
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}
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for i, v := range is {
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if expected[i] != v {
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t.Fatalf("expected is[%d] to be %d but got: %d", i, expected[i], v)
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}
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}
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}
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