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confu_test.go
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package confu
import (
"flag"
"fmt"
"testing"
"github.com/stretchr/testify/assert"
)
func makeInput(format string, args ...interface{}) string {
return fmt.Sprintf(format, args...)
}
func TestCommon(t *testing.T) {
assert := assert.New(t)
input := makeInput(`--bool -s %v --int %v`, "txt", 10)
// 1 - tokenize input config string
args := Tokenize(input)
var conf struct {
boolArg bool
stringArg string
intArg int
}
// 2 - load parsed config into out conf struct
set := &flag.FlagSet{}
set.BoolVar(&conf.boolArg, "bool", false, "")
set.StringVar(&conf.stringArg, "s", "./", "")
set.IntVar(&conf.intArg, "int", 1000, "")
set.Parse(args)
// 3 - use the conf (here; just testing)
assert.True(conf.boolArg)
assert.Equal("txt", conf.stringArg)
assert.Equal(10, conf.intArg)
}
func TestParam(t *testing.T) {
assert := assert.New(t)
stringArg := "VAL-1"
intArg := 10
stringParam := "VAL-2"
intParam := 11
input := makeInput(`--bool -strarg %v --intarg %v
-strparam=%v
-intparam=%v`,
stringArg,
intArg,
stringParam,
intParam)
// 1 - tokenize input config string
args := Tokenize(input)
var conf struct {
boolArg bool
stringArg string
intArg int
stringParam string
intParam int
}
// 2 - load parsed config into out conf struct
set := &flag.FlagSet{}
set.BoolVar(&conf.boolArg, "bool", false, "")
set.StringVar(&conf.stringArg, "strarg", "-", "")
set.IntVar(&conf.intArg, "intarg", -1, "")
set.StringVar(&conf.stringParam, "strparam", "-", "")
set.IntVar(&conf.intParam, "intparam", -1, "")
set.Parse(args)
// 3 - use (here; just testing)
assert.True(conf.boolArg)
assert.Equal(stringArg, conf.stringArg)
assert.Equal(intArg, conf.intArg)
assert.Equal(stringParam, conf.stringParam)
assert.Equal(intParam, conf.intParam)
}
func TestQuotes(t *testing.T) {
assert := assert.New(t)
string1 := `"VAL FOR 1"`
string2 := `'VAL FOR 2'`
string3 := "`VAL FOR 3`"
input := makeInput("--str1 %v --str2 %v --str3 %v --str4=%v --str5=%v --str6=%v",
string1,
string2,
string3,
string1,
string2,
string3)
// 1 - tokenize input config string
args := Tokenize(input)
var conf struct {
string1 string
string2 string
string3 string
string4 string
string5 string
string6 string
}
// 2 - load parsed config into out conf struct
set := &flag.FlagSet{}
set.StringVar(&conf.string1, "str1", "-", "")
set.StringVar(&conf.string2, "str2", "-", "")
set.StringVar(&conf.string3, "str3", "-", "")
set.StringVar(&conf.string4, "str4", "-", "")
set.StringVar(&conf.string5, "str5", "-", "")
set.StringVar(&conf.string6, "str6", "-", "")
set.Parse(args)
// 3 - use (here; just testing)
assert.Equal(TrimQuote(string1), TrimQuote(conf.string1))
assert.Equal(TrimQuote(string2), TrimQuote(conf.string2))
assert.Equal(TrimQuote(string3), TrimQuote(conf.string3))
assert.Equal(TrimQuote(string1), TrimQuote(conf.string4))
assert.Equal(TrimQuote(string2), TrimQuote(conf.string5))
assert.Equal(TrimQuote(string3), TrimQuote(conf.string6))
}
func TestQuotesWithUnicode(t *testing.T) {
assert := assert.New(t)
string1 := `"تست ۱"`
string2 := `'تست ۲'`
string3 := "`تست ۳`"
input := makeInput("--str1 %v --str2 %v --str3 %v --str4=%v --str5=%v --str6=%v",
string1,
string2,
string3,
string1,
string2,
string3)
// 1 - tokenize input config string
args := Tokenize(input)
var conf struct {
string1 string
string2 string
string3 string
string4 string
string5 string
string6 string
}
// 2 - load parsed config into out conf struct
set := &flag.FlagSet{}
set.StringVar(&conf.string1, "str1", "-", "")
set.StringVar(&conf.string2, "str2", "-", "")
set.StringVar(&conf.string3, "str3", "-", "")
set.StringVar(&conf.string4, "str4", "-", "")
set.StringVar(&conf.string5, "str5", "-", "")
set.StringVar(&conf.string6, "str6", "-", "")
set.Parse(args)
// 3 - use (here; just testing)
assert.Equal(TrimQuote(string1), TrimQuote(conf.string1))
assert.Equal(TrimQuote(string2), TrimQuote(conf.string2))
assert.Equal(TrimQuote(string3), TrimQuote(conf.string3))
assert.Equal(TrimQuote(string1), TrimQuote(conf.string4))
assert.Equal(TrimQuote(string2), TrimQuote(conf.string5))
assert.Equal(TrimQuote(string3), TrimQuote(conf.string6))
}
func ExampleTokenize() {
// input could come from a file or any other source
input := makeInput(`--bool -s %v --int %v`, "txt", 10)
// 1 - tokenize input config string
args := Tokenize(input)
var conf struct {
boolArg bool
stringArg string
intArg int
}
// 2 - load parsed config into out conf struct
set := &flag.FlagSet{}
set.BoolVar(&conf.boolArg, "bool", false, "")
set.StringVar(&conf.stringArg, "s", "./", "")
set.IntVar(&conf.intArg, "int", 1000, "")
set.Parse(args)
// 3 - use the conf
// ...
}