1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
|
// 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)
}
}
}
|
