package flags import ( "testing" "github.com/stretchr/testify/assert" ) func TestOutputFlag(t *testing.T) { var f Output var err error // Invalid err = f.Set("foo") assert.Error(t, err) assert.ErrorContains(t, err, "accepted arguments are text and json") // Lowercase err = f.Set("text") assert.NoError(t, err) assert.Equal(t, "text", f.String()) // Uppercase err = f.Set("TEXT") assert.NoError(t, err) assert.Equal(t, "text", f.String()) // Lowercase err = f.Set("json") assert.NoError(t, err) assert.Equal(t, "json", f.String()) // Uppercase err = f.Set("JSON") assert.NoError(t, err) assert.Equal(t, "json", f.String()) }