// Doing a unified test for Fields and SetFields
func TestFields(t *testing.T) {
fl := bagins.NewTagFieldList()
test_len := func(l int) { // DRY!
if len(fl.Fields()) != l {
t.Error("Expected TagField length of", l, "but", len(fl.Fields()), "was returned!")
}
}
test_len(0)
newFields := []bagins.TagField{
*bagins.NewTagField("label1", "value1"),
*bagins.NewTagField("label2", "value2"),
*bagins.NewTagField("label3", "value3"),
}
fl.SetFields(newFields)
test_len(3)
for i := 0; i < 3; i++ {
exp := fmt.Sprintf("label%d", i+1)
act := fl.Fields()[i].Label()
if exp != act {
t.Error("Expected", exp, "but returned", act)
}
}
}
func TestRemoveField(t *testing.T) {
fl := bagins.NewTagFieldList()
test_len := func(l int) { // DRY again!
if len(fl.Fields()) != l {
t.Error("Expected TagField length of", l, "but", len(fl.Fields()), "was returned!")
}
}
for i := 0; i < 100; i++ {
tmp := strconv.Itoa(i)
fl.AddField(*bagins.NewTagField(tmp, tmp))
}
test_len(100)
// Should error if removing out of range.
if err := fl.RemoveField(-6); err == nil {
t.Error("Trying to remove negative index does not produce expected error!")
}
if err := fl.RemoveField(100); err == nil {
t.Error("Trying to remove out of bound index does not produce expected error!")
}
test_len(100)
// Remove every other one of the first 25 and test
for i := 0; i < 50; i++ {
if i%2 == 0 {
fl.RemoveField(i)
}
}
test_len(75)
}
func TestAddField(t *testing.T) {
fl := bagins.NewTagFieldList()
exp_len := 100
for i := 0; i < exp_len; i++ {
tmp := strconv.Itoa(i)
fl.AddField(*bagins.NewTagField(tmp, tmp))
}
if len(fl.Fields()) != exp_len {
t.Error("Expected", exp_len, "fields but returned", len(fl.Fields()), "!")
}
for i, f := range fl.Fields() {
if f.Value() != strconv.Itoa(i) {
t.Error("Expected field value of", strconv.Itoa(i), "but returned", f.Value(), "!")
}
}
}
func TestNewTagFieldList(t *testing.T) {
var tfl interface{} = bagins.NewTagFieldList()
if _, ok := tfl.(*bagins.TagFieldList); !ok {
t.Error("TagFieldList not returned!")
}
}