VersionInfoTest.java

package com.fasterxml.jackson.databind;

import org.junit.jupiter.api.Test;

import com.fasterxml.jackson.core.Version;
import com.fasterxml.jackson.core.Versioned;
import com.fasterxml.jackson.databind.cfg.PackageVersion;
import com.fasterxml.jackson.databind.introspect.JacksonAnnotationIntrospector;
import com.fasterxml.jackson.databind.json.JsonMapper;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;

/**
 * Tests to ensure that we get proper Version information via
 * things defined as Versioned.
 */
public class VersionInfoTest
{
    @Test
    public void testMapperVersions()
    {
        ObjectMapper mapper = new JsonMapper();
        assertVersion(mapper);
        assertVersion(mapper.reader());
        assertVersion(mapper.writer());
        assertVersion(new JacksonAnnotationIntrospector());
    }

    /*
    /**********************************************************
    /* Helper methods
    /**********************************************************
     */

    private void assertVersion(Versioned vers)
    {
        Version v = vers.version();
        assertFalse(v.isUnknownVersion(), "Should find version information (got "+v+")");
        Version exp = PackageVersion.VERSION;
        assertEquals(exp.toFullString(), v.toFullString());
        assertEquals(exp, v);
    }
}