| // 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 setUpI32SFlagSet(isp *[]int32) *FlagSet { |
| f := NewFlagSet("test", ContinueOnError) |
| f.Int32SliceVar(isp, "is", []int32{}, "Command separated list!") |
| return f |
| } |
| |
| func setUpI32SFlagSetWithDefault(isp *[]int32) *FlagSet { |
| f := NewFlagSet("test", ContinueOnError) |
| f.Int32SliceVar(isp, "is", []int32{0, 1}, "Command separated list!") |
| return f |
| } |
| |
| func TestEmptyI32S(t *testing.T) { |
| var is []int32 |
| f := setUpI32SFlagSet(&is) |
| err := f.Parse([]string{}) |
| if err != nil { |
| t.Fatal("expected no error; got", err) |
| } |
| |
| getI32S, err := f.GetInt32Slice("is") |
| if err != nil { |
| t.Fatal("got an error from GetInt32Slice():", err) |
| } |
| if len(getI32S) != 0 { |
| t.Fatalf("got is %v with len=%d but expected length=0", getI32S, len(getI32S)) |
| } |
| } |
| |
| func TestI32S(t *testing.T) { |
| var is []int32 |
| f := setUpI32SFlagSet(&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 { |
| d64, err := strconv.ParseInt(vals[i], 0, 32) |
| if err != nil { |
| t.Fatalf("got error: %v", err) |
| } |
| d := int32(d64) |
| if d != v { |
| t.Fatalf("expected is[%d] to be %s but got: %d", i, vals[i], v) |
| } |
| } |
| getI32S, err := f.GetInt32Slice("is") |
| if err != nil { |
| t.Fatalf("got error: %v", err) |
| } |
| for i, v := range getI32S { |
| d64, err := strconv.ParseInt(vals[i], 0, 32) |
| if err != nil { |
| t.Fatalf("got error: %v", err) |
| } |
| d := int32(d64) |
| if d != v { |
| t.Fatalf("expected is[%d] to be %s but got: %d from GetInt32Slice", i, vals[i], v) |
| } |
| } |
| } |
| |
| func TestI32SDefault(t *testing.T) { |
| var is []int32 |
| f := setUpI32SFlagSetWithDefault(&is) |
| |
| vals := []string{"0", "1"} |
| |
| err := f.Parse([]string{}) |
| if err != nil { |
| t.Fatal("expected no error; got", err) |
| } |
| for i, v := range is { |
| d64, err := strconv.ParseInt(vals[i], 0, 32) |
| if err != nil { |
| t.Fatalf("got error: %v", err) |
| } |
| d := int32(d64) |
| if d != v { |
| t.Fatalf("expected is[%d] to be %d but got: %d", i, d, v) |
| } |
| } |
| |
| getI32S, err := f.GetInt32Slice("is") |
| if err != nil { |
| t.Fatal("got an error from GetInt32Slice():", err) |
| } |
| for i, v := range getI32S { |
| d64, err := strconv.ParseInt(vals[i], 0, 32) |
| if err != nil { |
| t.Fatal("got an error from GetInt32Slice():", err) |
| } |
| d := int32(d64) |
| if d != v { |
| t.Fatalf("expected is[%d] to be %d from GetInt32Slice but got: %d", i, d, v) |
| } |
| } |
| } |
| |
| func TestI32SWithDefault(t *testing.T) { |
| var is []int32 |
| f := setUpI32SFlagSetWithDefault(&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 { |
| d64, err := strconv.ParseInt(vals[i], 0, 32) |
| if err != nil { |
| t.Fatalf("got error: %v", err) |
| } |
| d := int32(d64) |
| if d != v { |
| t.Fatalf("expected is[%d] to be %d but got: %d", i, d, v) |
| } |
| } |
| |
| getI32S, err := f.GetInt32Slice("is") |
| if err != nil { |
| t.Fatal("got an error from GetInt32Slice():", err) |
| } |
| for i, v := range getI32S { |
| d64, err := strconv.ParseInt(vals[i], 0, 32) |
| if err != nil { |
| t.Fatalf("got error: %v", err) |
| } |
| d := int32(d64) |
| if d != v { |
| t.Fatalf("expected is[%d] to be %d from GetInt32Slice but got: %d", i, d, v) |
| } |
| } |
| } |
| |
| func TestI32SAsSliceValue(t *testing.T) { |
| var i32s []int32 |
| f := setUpI32SFlagSet(&i32s) |
| |
| in := []string{"1", "2"} |
| 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) |
| } |
| |
| f.VisitAll(func(f *Flag) { |
| if val, ok := f.Value.(SliceValue); ok { |
| _ = val.Replace([]string{"3"}) |
| } |
| }) |
| if len(i32s) != 1 || i32s[0] != 3 { |
| t.Fatalf("Expected ss to be overwritten with '3.1', but got: %v", i32s) |
| } |
| } |
| |
| func TestI32SCalledTwice(t *testing.T) { |
| var is []int32 |
| f := setUpI32SFlagSet(&is) |
| |
| in := []string{"1,2", "3"} |
| expected := []int32{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) |
| } |
| } |
| } |