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v/vlib/json/json_test.v

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import json
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struct Employee {
name string
age int
}
fn test_simple() {
x := Employee{'Peter', 28}
s := json.encode(x)
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assert s == '{"name":"Peter","age":28}'
y := json.decode(Employee, s) or {
assert false
}
assert y.name == 'Peter'
assert y.age == 28
}
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struct User2 {
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age int
nums []int
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}
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struct User {
age int
nums []int
last_name string [json:lastName]
is_registered bool [json:IsRegistered]
typ int [json:'type']
pets string [raw; json:'pet_animals']
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}
fn test_parse_user() {
s := '{"age": 10, "nums": [1,2,3], "type": 1, "lastName": "Johnson", "IsRegistered": true, "pet_animals": {"name": "Bob", "animal": "Dog"}}'
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u2 := json.decode(User2, s) or {
exit(1)
}
println(u2)
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u := json.decode(User, s) or {
exit(1)
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}
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println(u)
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assert u.age == 10
assert u.last_name == 'Johnson'
assert u.is_registered == true
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assert u.nums.len == 3
assert u.nums[0] == 1
assert u.nums[1] == 2
assert u.nums[2] == 3
assert u.typ == 1
assert u.pets == '{"name":"Bob","animal":"Dog"}'
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}
fn test_encode_user(){
usr := User{ age: 10, nums: [1,2,3], last_name: 'Johnson', is_registered: true, typ: 0, pets: 'foo'}
expected := '{"age":10,"nums":[1,2,3],"lastName":"Johnson","IsRegistered":true,"type":0,"pet_animals":"foo"}'
out := json.encode(usr)
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println(out)
assert out == expected
}
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struct Color {
space string
point string [raw]
}
fn test_raw_json_field() {
color := json.decode(Color, '{"space": "YCbCr", "point": {"Y": 123}}') or {
println('text')
return
}
assert color.point == '{"Y":123}'
assert color.space == 'YCbCr'
}
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struct City {
name string
}
struct Country {
cities []City
name string
}
fn test_struct_in_struct() {
country := json.decode(Country, '{ "name": "UK", "cities": [{"name":"London"}, {"name":"Manchester"}]}') or {
assert false
exit(1)
}
assert country.name == 'UK'
assert country.cities.len == 2
assert country.cities[0].name == 'London'
assert country.cities[1].name == 'Manchester'
println(country.cities)
}