me.ferrybig.javacoding.webmapper.test.session.DefaultDataStorageTest.java Source code

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Here is the source code for me.ferrybig.javacoding.webmapper.test.session.DefaultDataStorageTest.java

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package me.ferrybig.javacoding.webmapper.test.session;

import me.ferrybig.javacoding.webmapper.session.DefaultDataStorage;
import java.math.BigInteger;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Optional;
import org.json.JSONObject;
import static org.junit.Assert.assertEquals;
import org.junit.Before;
import org.junit.Ignore;
import org.junit.Test;

/**
 *
 * @author Fernando
 */
public class DefaultDataStorageTest {

    private DefaultDataStorage data;

    @Before
    public void init() {
        data = new DefaultDataStorage();
    }

    @Test
    public void setAndGetDataTest() {
        data.setData(Collections.emptyList());
        assertEquals(0, data.getData().size());
        data.setData(Collections.singleton(new Object()));
        assertEquals(1, data.getData().size());
    }

    @Test
    public void getDataAsSupportsOneBackendTypeTest() {
        Object o;
        data.setData(Collections.singleton(o = new Object()));
        assertEquals(o, extr(data.getDataAs(Object.class)));
    }

    @Test
    public void getDataAsSupportsOneBackendSuperCastTypeTest() {
        Object o;
        data.setData(Collections.singleton(o = BigInteger.ZERO));
        assertEquals(o, extr(data.getDataAs(Object.class)));
    }

    @Test
    public void getDataAsSupportsOneBackendDownCastTypeTest() {
        data.setData(Collections.singleton(new Object()));
        assertEquals(null, extr(data.getDataAs(BigInteger.class)));
    }

    @Test
    public void getDataAsChoosesCorrectBackendTypeTest() {
        List<Object> list = new ArrayList<>();
        list.add(new Object());
        list.add(BigInteger.ZERO);
        list.add("string");
        list.add(Boolean.FALSE);
        list.add(new JSONObject());
        data.setData(list);
        assertEquals("string", extr(data.getDataAs(String.class)));
    }

    @Test
    public void getDataReturnsBestType() {
        Object r = new Object();
        List<Object> list = new ArrayList<>();
        list.add(new JSONObject());
        list.add(r);
        data.setData(list);
        assertEquals(r, extr(data.getDataAs(Object.class)));
    }

    private static <T> T extr(Optional<T> in) {
        if (in.isPresent()) {
            return in.get();
        }
        return null;
    }
}