package viper import ( "testing" "github.com/spf13/pflag" "github.com/stretchr/testify/assert" ) func TestBindFlagValueSet(t *testing.T) { flagSet := pflag.NewFlagSet("test", pflag.ContinueOnError) testValues := map[string]*string{ "host": nil, "port": nil, "endpoint": nil, } mutatedTestValues := map[string]string{ "host": "localhost", "port": "6060", "endpoint": "/public", } for name := range testValues { testValues[name] = flagSet.String(name, "", "test") } flagValueSet := pflagValueSet{flagSet} err := BindFlagValues(flagValueSet) if err != nil { t.Fatalf("error binding flag set, %v", err) } flagSet.VisitAll(func(flag *pflag.Flag) { flag.Value.Set(mutatedTestValues[flag.Name]) flag.Changed = true }) for name, expected := range mutatedTestValues { assert.Equal(t, expected, Get(name)) } } func TestBindFlagValue(t *testing.T) { testString := "testing" testValue := newStringValue(testString, &testString) flag := &pflag.Flag{ Name: "testflag", Value: testValue, Changed: false, } flagValue := pflagValue{flag} BindFlagValue("testvalue", flagValue) assert.Equal(t, testString, Get("testvalue")) flag.Value.Set("testing_mutate") flag.Changed = true // hack for pflag usage assert.Equal(t, "testing_mutate", Get("testvalue")) }