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package toml
import (
"strconv"
"testing"
"time"
)
type customString string
type stringer struct{}
func (s stringer) String() string {
return "stringer"
}
func validate(t *testing.T, path string, object interface{}) {
switch o := object.(type) {
case *Tree:
for key, tree := range o.values {
validate(t, path+"."+key, tree)
}
case []*Tree:
for index, tree := range o {
validate(t, path+"."+strconv.Itoa(index), tree)
}
case *tomlValue:
switch o.value.(type) {
case int64, uint64, bool, string, float64, time.Time,
[]int64, []uint64, []bool, []string, []float64, []time.Time:
default:
t.Fatalf("tomlValue at key %s containing incorrect type %T", path, o.value)
}
default:
t.Fatalf("value at key %s is of incorrect type %T", path, object)
}
t.Logf("validation ok %s as %T", path, object)
}
func validateTree(t *testing.T, tree *Tree) {
validate(t, "", tree)
}
func TestTreeCreateToTree(t *testing.T) {
data := map[string]interface{}{
"a_string": "bar",
"an_int": 42,
"time": time.Now(),
"int8": int8(2),
"int16": int16(2),
"int32": int32(2),
"uint8": uint8(2),
"uint16": uint16(2),
"uint32": uint32(2),
"float32": float32(2),
"a_bool": false,
"stringer": stringer{},
"nested": map[string]interface{}{
"foo": "bar",
},
"array": []string{"a", "b", "c"},
"array_uint": []uint{uint(1), uint(2)},
"array_table": []map[string]interface{}{map[string]interface{}{"sub_map": 52}},
"array_times": []time.Time{time.Now(), time.Now()},
"map_times": map[string]time.Time{"now": time.Now()},
"custom_string_map_key": map[customString]interface{}{customString("custom"): "custom"},
}
tree, err := TreeFromMap(data)
if err != nil {
t.Fatal("unexpected error:", err)
}
validateTree(t, tree)
}
func TestTreeCreateToTreeInvalidLeafType(t *testing.T) {
_, err := TreeFromMap(map[string]interface{}{"foo": t})
expected := "cannot convert type *testing.T to Tree"
if err.Error() != expected {
t.Fatalf("expected error %s, got %s", expected, err.Error())
}
}
func TestTreeCreateToTreeInvalidMapKeyType(t *testing.T) {
_, err := TreeFromMap(map[string]interface{}{"foo": map[int]interface{}{2: 1}})
expected := "map key needs to be a string, not int (int)"
if err.Error() != expected {
t.Fatalf("expected error %s, got %s", expected, err.Error())
}
}
func TestTreeCreateToTreeInvalidArrayMemberType(t *testing.T) {
_, err := TreeFromMap(map[string]interface{}{"foo": []*testing.T{t}})
expected := "cannot convert type *testing.T to Tree"
if err.Error() != expected {
t.Fatalf("expected error %s, got %s", expected, err.Error())
}
}
func TestTreeCreateToTreeInvalidTableGroupType(t *testing.T) {
_, err := TreeFromMap(map[string]interface{}{"foo": []map[string]interface{}{map[string]interface{}{"hello": t}}})
expected := "cannot convert type *testing.T to Tree"
if err.Error() != expected {
t.Fatalf("expected error %s, got %s", expected, err.Error())
}
}
func TestRoundTripArrayOfTables(t *testing.T) {
orig := "\n[[stuff]]\n name = \"foo\"\n things = [\"a\",\"b\"]\n"
tree, err := Load(orig)
if err != nil {
t.Fatalf("unexpected error: %s", err)
}
m := tree.ToMap()
tree, err = TreeFromMap(m)
if err != nil {
t.Fatalf("unexpected error: %s", err)
}
want := orig
got := tree.String()
if got != want {
t.Errorf("want:\n%s\ngot:\n%s", want, got)
}
}
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