59 lines
1.1 KiB
Go
59 lines
1.1 KiB
Go
package flags
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import (
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"flag"
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"reflect"
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"testing"
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"github.com/stretchr/testify/require"
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)
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func TestStringFlag_implements(t *testing.T) {
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t.Parallel()
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var raw interface{}
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raw = new(StringFlag)
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if _, ok := raw.(flag.Value); !ok {
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t.Fatalf("StringFlag should be a Value")
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}
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}
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func TestStringFlagSet(t *testing.T) {
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t.Parallel()
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sv := new(StringFlag)
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err := sv.Set("foo")
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if err != nil {
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t.Fatalf("err: %s", err)
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}
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err = sv.Set("bar")
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if err != nil {
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t.Fatalf("err: %s", err)
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}
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expected := []string{"foo", "bar"}
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if !reflect.DeepEqual([]string(*sv), expected) {
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t.Fatalf("Bad: %#v", sv)
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}
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}
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func TestStringFlagSet_Append(t *testing.T) {
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t.Parallel()
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var (
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// A test to make sure StringFlag can replace AppendSliceValue
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// for autopilot flags inherited from Consul.
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hosts StringFlag
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)
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flagSet := flag.NewFlagSet("test", flag.PanicOnError)
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flagSet.Var(&hosts, "host", "host, specify more than once")
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args := []string{"-host", "foo", "-host", "bar", "-host", "baz"}
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err := flagSet.Parse(args)
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require.NoError(t, err)
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result := hosts.String()
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require.Equal(t, "foo,bar,baz", result)
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}
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