4a4f6ad53e
this will allow some config cleanups in a future pr Change-Id: Ie873bcee567a72956d9337dfc13ab6ba46c9d1a0
111 lines
2.9 KiB
Go
111 lines
2.9 KiB
Go
// Copyright (C) 2018 Storj Labs, Inc.
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// See LICENSE for copying information.
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package cfgstruct
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import (
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"flag"
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"fmt"
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"reflect"
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"testing"
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"time"
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)
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func assertEqual(actual, expected interface{}) {
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if !reflect.DeepEqual(actual, expected) {
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panic(fmt.Sprintf("expected %v, got %v", expected, actual))
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}
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}
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func TestBind(t *testing.T) {
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f := flag.NewFlagSet("test", flag.PanicOnError)
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var c struct {
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String string `default:""`
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Bool bool `default:"false"`
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Int64 int64 `default:"0"`
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Int int `default:"0"`
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Uint64 uint64 `default:"0"`
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Uint uint `default:"0"`
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Float64 float64 `default:"0"`
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Duration time.Duration `default:"0"`
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Struct struct {
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AnotherString string `default:""`
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}
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Fields [10]struct {
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AnotherInt int `default:"0"`
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}
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}
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Bind(f, &c)
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assertEqual(c.String, string(""))
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assertEqual(c.Bool, bool(false))
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assertEqual(c.Int64, int64(0))
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assertEqual(c.Int, int(0))
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assertEqual(c.Uint64, uint64(0))
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assertEqual(c.Uint, uint(0))
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assertEqual(c.Float64, float64(0))
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assertEqual(c.Duration, time.Duration(0))
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assertEqual(c.Struct.AnotherString, string(""))
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assertEqual(c.Fields[0].AnotherInt, int(0))
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assertEqual(c.Fields[3].AnotherInt, int(0))
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err := f.Parse([]string{
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"--string=1",
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"--bool=true",
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"--int64=1",
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"--int=1",
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"--uint64=1",
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"--uint=1",
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"--float64=1",
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"--duration=1h",
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"--struct.another-string=1",
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"--fields.03.another-int=1"})
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if err != nil {
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panic(err)
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}
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assertEqual(c.String, string("1"))
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assertEqual(c.Bool, bool(true))
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assertEqual(c.Int64, int64(1))
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assertEqual(c.Int, int(1))
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assertEqual(c.Uint64, uint64(1))
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assertEqual(c.Uint, uint(1))
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assertEqual(c.Float64, float64(1))
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assertEqual(c.Duration, time.Hour)
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assertEqual(c.Struct.AnotherString, string("1"))
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assertEqual(c.Fields[0].AnotherInt, int(0))
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assertEqual(c.Fields[3].AnotherInt, int(1))
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}
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func TestConfDir(t *testing.T) {
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f := flag.NewFlagSet("test", flag.PanicOnError)
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var c struct {
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String string `default:"-$CONFDIR+"`
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MyStruct1 struct {
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String string `default:"1${CONFDIR}2"`
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MyStruct2 struct {
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String string `default:"2${CONFDIR}3"`
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}
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}
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}
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Bind(f, &c, ConfDir("confpath"))
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assertEqual(f.Lookup("string").DefValue, "-confpath+")
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assertEqual(f.Lookup("my-struct1.string").DefValue, "1confpath2")
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assertEqual(f.Lookup("my-struct1.my-struct2.string").DefValue, "2confpath3")
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}
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func TestNesting(t *testing.T) {
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f := flag.NewFlagSet("test", flag.PanicOnError)
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var c struct {
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String string `default:"-$CONFDIR+"`
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MyStruct1 struct {
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String string `default:"1${CONFDIR}2"`
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MyStruct2 struct {
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String string `default:"2${CONFDIR}3"`
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}
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}
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}
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Bind(f, &c, ConfDirNested("confpath"))
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assertEqual(f.Lookup("string").DefValue, "-confpath+")
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assertEqual(f.Lookup("my-struct1.string").DefValue, "1confpath/my-struct12")
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assertEqual(f.Lookup("my-struct1.my-struct2.string").DefValue, "2confpath/my-struct1/my-struct23")
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}
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