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v/vlib/json/json_decode_test.v

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import json
struct TestTwin {
id int
seed string
pubkey string
}
struct TestTwins {
mut:
twins []TestTwin [required]
}
fn test_json_decode_fails_to_decode_unrecognised_array_of_dicts() {
data := '[{"twins":[{"id":123,"seed":"abcde","pubkey":"xyzasd"},{"id":456,"seed":"dfgdfgdfgd","pubkey":"skjldskljh45sdf"}]}]'
json.decode(TestTwins, data) or {
assert err.msg == "expected field 'twins' is missing"
return
}
assert false
}
fn test_json_decode_works_with_a_dict_of_arrays() {
data := '{"twins":[{"id":123,"seed":"abcde","pubkey":"xyzasd"},{"id":456,"seed":"dfgdfgdfgd","pubkey":"skjldskljh45sdf"}]}'
res := json.decode(TestTwins, data) or {
assert false
exit(1)
}
assert res.twins[0].id == 123
assert res.twins[0].seed == 'abcde'
assert res.twins[0].pubkey == 'xyzasd'
assert res.twins[1].id == 456
assert res.twins[1].seed == 'dfgdfgdfgd'
assert res.twins[1].pubkey == 'skjldskljh45sdf'
}