packer-cn/command/flag-slice/flag_test.go

51 lines
1.1 KiB
Go

package sliceflag
import (
"flag"
"reflect"
"testing"
)
func TestStringFlag_implements(t *testing.T) {
var raw interface{}
raw = new(StringFlag)
if _, ok := raw.(flag.Value); !ok {
t.Fatalf("StringFlag should be a Value")
}
}
// TestStringFlagSet tests for setting the same flag more than once on the CLI
// like: blah -flag foo -flag bar
func TestStringFlagSet(t *testing.T) {
sv := new(StringFlag)
err := sv.Set("foo")
if err != nil {
t.Fatalf("err: %s", err)
}
err = sv.Set("bar")
if err != nil {
t.Fatalf("err: %s", err)
}
expected := []string{"foo", "bar"}
if !reflect.DeepEqual([]string(*sv), expected) {
t.Fatalf("Bad: %#v", sv)
}
}
// TestMultiStringFlag tests for setting the same flag using a comma-separated
// list of items like: blah -flag=foo,bar
func TestMultiStringFlag(t *testing.T) {
sv := new(StringFlag)
err := sv.Set("chocolate,vanilla")
if err != nil {
t.Fatalf("err :%s", err)
}
expected := []string{"chocolate", "vanilla"}
if !reflect.DeepEqual([]string(*sv), expected) {
t.Fatalf("Expected: %#v, found: %#v", expected, sv)
}
}