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