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package jsonquery
import (
"reflect"
"strings"
"testing"
)
func parseString(s string) (*Node, error) {
return Parse(strings.NewReader(s))
}
func TestParseJsonNumberArray(t *testing.T) {
s := `[1,2,3,4,5,6]`
doc, err := parseString(s)
if err != nil {
t.Fatal(err)
}
var values []float64
for _, n := range doc.ChildNodes() {
values = append(values, n.Value().(float64))
}
expected := []float64{1, 2, 3, 4, 5, 6}
if p1, p2 := len(values), len(expected); p1 != p2 {
t.Fatalf("got %d elements but expected %d", p1, p2)
}
if !reflect.DeepEqual(values, expected) {
t.Fatalf("got %v but expected %v", values, expected)
}
}
func TestParseJsonObject(t *testing.T) {
s := `{
"name":"John",
"age":31,
"female":false
}`
doc, err := parseString(s)
if err != nil {
t.Fatal(err)
}
m := make(map[string]interface{})
for _, n := range doc.ChildNodes() {
m[n.Data] = n.Value()
}
expected := []struct {
name string
value interface{}
}{
{"name", "John"},
{"age", float64(31)},
{"female", false},
}
for _, v := range expected {
if e, g := v.value, m[v.name]; e != g {
t.Fatalf("expected %s = %v(%T),but %s = %v(%t)", v.name, e, e, v.name, g, g)
}
}
}
func TestParseJsonObjectArray(t *testing.T) {
s := `[
{"models":[ "Fiesta", "Focus", "Mustang" ] }
]`
doc, err := parseString(s)
if err != nil {
t.Fatal(err)
}
first := doc.FirstChild
models := first.SelectElement("models")
if expected := reflect.ValueOf(models.Value()).Kind(); expected != reflect.Slice {
t.Fatalf("expected models is slice(Array) but got %v", expected)
}
expected := []string{"Fiesta", "Focus", "Mustang"}
var values []string
for _, v := range models.Value().([]interface{}) {
values = append(values, v.(string))
}
if !reflect.DeepEqual(expected, values) {
t.Fatalf("expected %v but got %v", expected, values)
}
}
func TestParseJson(t *testing.T) {
s := `{
"name":"John",
"age":30,
"cars": [
{ "name":"Ford", "models":[ "Fiesta", "Focus", "Mustang" ] },
{ "name":"BMW", "models":[ "320", "X3", "X5" ] },
{ "name":"Fiat", "models":[ "500", "Panda" ] }
]
}`
doc, err := parseString(s)
if err != nil {
t.Fatal(err)
}
n := doc.SelectElement("name")
if n == nil {
t.Fatal("n is nil")
}
if n.NextSibling != nil {
t.Fatal("next sibling shoud be nil")
}
if e, g := "John", n.InnerText(); e != g {
t.Fatalf("expected %v but %v", e, g)
}
cars := doc.SelectElement("cars")
if e, g := 3, len(cars.ChildNodes()); e != g {
t.Fatalf("expected %v but %v", e, g)
}
}
func TestLargeFloat(t *testing.T) {
s := `{
"large_number": 365823929453
}`
doc, err := parseString(s)
if err != nil {
t.Fatal(err)
}
n := doc.SelectElement("large_number")
if n.Value() != float64(365823929453) {
t.Fatalf("expected %v but %v", "365823929453", n.InnerText())
}
}
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