package dev.coph.nextusweb.server.json;

import org.junit.jupiter.api.Test;
import tools.jackson.databind.JsonNode;

import static org.junit.jupiter.api.Assertions.*;

class JsonMapperTest {

    @Test
    void mapperIsAvailable() {
        assertNotNull(JsonMapper.MAPPER);
    }

    @Test
    void mapperRoundTripsSimpleValues() {
        var node = JsonMapper.MAPPER.valueToTree(java.util.Map.of("a", 1));
        assertTrue(node.isObject());
        assertEquals(1, node.get("a").asInt());
    }

    @Test
    void mapperReadsTree() {
        JsonNode n = JsonMapper.MAPPER.readTree("{\"k\":\"v\"}");
        assertTrue(n.has("k"));
        assertNotNull(n.get("k"));
    }

    @Test
    void mapperSerializesToBytes() {
        byte[] bytes = JsonMapper.MAPPER.writeValueAsBytes(java.util.Map.of("a", "b"));
        String s = new String(bytes, java.nio.charset.StandardCharsets.UTF_8);
        assertTrue(s.contains("\"a\""));
        assertTrue(s.contains("\"b\""));
    }
}