v_windows/v/old/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'
}