ParanamerModuleTest.java

package io.dropwizard.jackson;

import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.ObjectReader;
import com.fasterxml.jackson.databind.ObjectWriter;
import com.fasterxml.jackson.module.paramnames.ParameterNamesModule;
import org.junit.Before;
import org.junit.Test;

import java.io.IOException;

import static org.assertj.core.api.Assertions.assertThat;

public class ParanamerModuleTest {
    private final ObjectMapper mapper = new ObjectMapper();

    @Before
    public void setUp() throws Exception {
        mapper.registerModule(new ParameterNamesModule());
    }

    @Test
    public void deserializePersonWithoutAnnotations() throws IOException {
        final ObjectReader reader = mapper.readerFor(Person.class);
        final Person person = reader.readValue("{ \"name\": \"Foo\", \"surname\": \"Bar\" }");
        assertThat(person.getName()).isEqualTo("Foo");
        assertThat(person.getSurname()).isEqualTo("Bar");
    }

    @Test
    public void serializePersonWithoutAnnotations() throws IOException {
        final ObjectWriter reader = mapper.writerFor(Person.class);
        final String person = reader.writeValueAsString(new Person("Foo", "Bar"));
        assertThat(person)
            .contains("\"name\":\"Foo\"")
            .contains("\"surname\":\"Bar\"");
    }
}