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import gleam/dynamic
import gleam/json.{Json}
import gleam/option.{None, Some}
import gleam/string_builder
import gleeunit
import gleeunit/should
pub fn main() {
gleeunit.main()
}
pub fn decode_test() {
json.decode(from: "5", using: dynamic.int)
|> should.equal(Ok(5))
}
pub fn decode_empty_test() {
json.decode(from: "", using: dynamic.int)
|> should.equal(Error(json.UnexpectedEndOfInput))
}
pub fn decode_unexpected_byte_test() {
let assert Error(error) = json.decode(from: "[}", using: dynamic.int)
let assert json.UnexpectedByte(byte, index) = error
let assert "0x7D" = byte
// V8 does not report the position of the unexpected byte any more.
let assert True = index == 1 || index == -1
}
pub fn decode_unexpected_format_test() {
json.decode(from: "[]", using: dynamic.int)
|> should.equal(Error(json.UnexpectedFormat([empty_list_decode_error()])))
}
pub fn decode_bits_test() {
json.decode_bits(from: <<"5":utf8>>, using: dynamic.int)
|> should.equal(Ok(5))
}
pub fn decode_bits_empty_test() {
json.decode_bits(from: <<"":utf8>>, using: dynamic.int)
|> should.equal(Error(json.UnexpectedEndOfInput))
}
pub fn decode_bits_unexpected_byte_test() {
let assert Error(error) = json.decode(from: "[}", using: dynamic.int)
let assert json.UnexpectedByte(byte, index) = error
let assert "0x7D" = byte
// V8 does not report the position of the unexpected byte any more.
let assert True = index == 1 || index == -1
}
pub fn decode_bits_unexpected_format_test() {
json.decode_bits(from: <<"[]":utf8>>, using: dynamic.int)
|> should.equal(Error(json.UnexpectedFormat([empty_list_decode_error()])))
}
pub fn encode_string_test() {
json.string("hello")
|> should_encode("\"hello\"")
}
pub fn encode_null_test() {
json.null()
|> should_encode("null")
}
pub fn encode_int_test() {
json.int(-50)
|> should_encode("-50")
json.int(100)
|> should_encode("100")
}
pub fn encode_float_test() {
json.float(-50.5)
|> should_encode("-50.5")
json.float(100.1)
|> should_encode("100.1")
}
pub fn encode_object_test() {
json.object([#("foo", json.int(5))])
|> should_encode("{\"foo\":5}")
}
pub fn encode_array_test() {
[5, 6, 1, 4]
|> json.array(of: json.int)
|> should_encode("[5,6,1,4]")
}
pub fn encode_preprocessed_array_test() {
json.preprocessed_array([json.int(5), json.int(6)])
|> should_encode("[5,6]")
}
pub fn encode_nullable_some_test() {
json.nullable(Some(5), of: json.int)
|> should_encode("5")
}
pub fn encode_nullable_none_test() {
json.nullable(None, of: json.int)
|> should_encode("null")
}
pub fn encode_bool_true_test() {
json.bool(True)
|> should_encode("true")
}
pub fn encode_bool_false_test() {
json.bool(False)
|> should_encode("false")
}
fn should_encode(data: Json, expected: String) {
data
|> json.to_string()
|> should.equal(expected)
data
|> json.to_string_builder
|> string_builder.to_string
|> should.equal(json.to_string(data))
}
if erlang {
fn empty_list_decode_error() -> dynamic.DecodeError {
dynamic.DecodeError(expected: "Int", found: "List", path: [])
}
}
if javascript {
fn empty_list_decode_error() {
dynamic.DecodeError(expected: "Int", found: "Tuple of 0 elements", path: [])
}
}
|
