| // 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 setUpF64SFlagSet(f64sp *[]float64) *FlagSet { |
| f := NewFlagSet("test", ContinueOnError) |
| f.Float64SliceVar(f64sp, "f64s", []float64{}, "Command separated list!") |
| return f |
| } |
| |
| func setUpF64SFlagSetWithDefault(f64sp *[]float64) *FlagSet { |
| f := NewFlagSet("test", ContinueOnError) |
| f.Float64SliceVar(f64sp, "f64s", []float64{0.0, 1.0}, "Command separated list!") |
| return f |
| } |
| |
| func TestEmptyF64S(t *testing.T) { |
| var f64s []float64 |
| f := setUpF64SFlagSet(&f64s) |
| err := f.Parse([]string{}) |
| if err != nil { |
| t.Fatal("expected no error; got", err) |
| } |
| |
| getF64S, err := f.GetFloat64Slice("f64s") |
| if err != nil { |
| t.Fatal("got an error from GetFloat64Slice():", err) |
| } |
| if len(getF64S) != 0 { |
| t.Fatalf("got f64s %v with len=%d but expected length=0", getF64S, len(getF64S)) |
| } |
| } |
| |
| func TestF64S(t *testing.T) { |
| var f64s []float64 |
| f := setUpF64SFlagSet(&f64s) |
| |
| vals := []string{"1.0", "2.0", "4.0", "3.0"} |
| arg := fmt.Sprintf("--f64s=%s", strings.Join(vals, ",")) |
| err := f.Parse([]string{arg}) |
| if err != nil { |
| t.Fatal("expected no error; got", err) |
| } |
| for i, v := range f64s { |
| d, err := strconv.ParseFloat(vals[i], 64) |
| if err != nil { |
| t.Fatalf("got error: %v", err) |
| } |
| if d != v { |
| t.Fatalf("expected f64s[%d] to be %s but got: %f", i, vals[i], v) |
| } |
| } |
| getF64S, err := f.GetFloat64Slice("f64s") |
| if err != nil { |
| t.Fatalf("got error: %v", err) |
| } |
| for i, v := range getF64S { |
| d, err := strconv.ParseFloat(vals[i], 64) |
| if err != nil { |
| t.Fatalf("got error: %v", err) |
| } |
| if d != v { |
| t.Fatalf("expected f64s[%d] to be %s but got: %f from GetFloat64Slice", i, vals[i], v) |
| } |
| } |
| } |
| |
| func TestF64SDefault(t *testing.T) { |
| var f64s []float64 |
| f := setUpF64SFlagSetWithDefault(&f64s) |
| |
| vals := []string{"0.0", "1.0"} |
| |
| err := f.Parse([]string{}) |
| if err != nil { |
| t.Fatal("expected no error; got", err) |
| } |
| for i, v := range f64s { |
| d, err := strconv.ParseFloat(vals[i], 64) |
| if err != nil { |
| t.Fatalf("got error: %v", err) |
| } |
| if d != v { |
| t.Fatalf("expected f64s[%d] to be %f but got: %f", i, d, v) |
| } |
| } |
| |
| getF64S, err := f.GetFloat64Slice("f64s") |
| if err != nil { |
| t.Fatal("got an error from GetFloat64Slice():", err) |
| } |
| for i, v := range getF64S { |
| d, err := strconv.ParseFloat(vals[i], 64) |
| if err != nil { |
| t.Fatal("got an error from GetFloat64Slice():", err) |
| } |
| if d != v { |
| t.Fatalf("expected f64s[%d] to be %f from GetFloat64Slice but got: %f", i, d, v) |
| } |
| } |
| } |
| |
| func TestF64SWithDefault(t *testing.T) { |
| var f64s []float64 |
| f := setUpF64SFlagSetWithDefault(&f64s) |
| |
| vals := []string{"1.0", "2.0"} |
| arg := fmt.Sprintf("--f64s=%s", strings.Join(vals, ",")) |
| err := f.Parse([]string{arg}) |
| if err != nil { |
| t.Fatal("expected no error; got", err) |
| } |
| for i, v := range f64s { |
| d, err := strconv.ParseFloat(vals[i], 64) |
| if err != nil { |
| t.Fatalf("got error: %v", err) |
| } |
| if d != v { |
| t.Fatalf("expected f64s[%d] to be %f but got: %f", i, d, v) |
| } |
| } |
| |
| getF64S, err := f.GetFloat64Slice("f64s") |
| if err != nil { |
| t.Fatal("got an error from GetFloat64Slice():", err) |
| } |
| for i, v := range getF64S { |
| d, err := strconv.ParseFloat(vals[i], 64) |
| if err != nil { |
| t.Fatalf("got error: %v", err) |
| } |
| if d != v { |
| t.Fatalf("expected f64s[%d] to be %f from GetFloat64Slice but got: %f", i, d, v) |
| } |
| } |
| } |
| |
| func TestF64SAsSliceValue(t *testing.T) { |
| var f64s []float64 |
| f := setUpF64SFlagSet(&f64s) |
| |
| in := []string{"1.0", "2.0"} |
| argfmt := "--f64s=%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{"3.1"}) |
| } |
| }) |
| if len(f64s) != 1 || f64s[0] != 3.1 { |
| t.Fatalf("Expected ss to be overwritten with '3.1', but got: %v", f64s) |
| } |
| } |
| |
| func TestF64SCalledTwice(t *testing.T) { |
| var f64s []float64 |
| f := setUpF64SFlagSet(&f64s) |
| |
| in := []string{"1.0,2.0", "3.0"} |
| expected := []float64{1.0, 2.0, 3.0} |
| argfmt := "--f64s=%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 f64s { |
| if expected[i] != v { |
| t.Fatalf("expected f64s[%d] to be %f but got: %f", i, expected[i], v) |
| } |
| } |
| } |