vaadin-framework/server/src/test/java/com/vaadin/tests/server/StreamResourceTest.java

package com.vaadin.tests.server;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotEquals;

import java.net.URISyntaxException;

import org.easymock.EasyMock;
import org.junit.Test;

import com.vaadin.server.DownloadStream;
import com.vaadin.server.StreamResource;
import com.vaadin.server.StreamResource.StreamSource;

public class StreamResourceTest {

    @Test
    public void testEqualsWithNullFields() {
        StreamResource resource1 = new StreamResource(null, null);
        StreamResource resource2 = new StreamResource(null, null);

        assertEquals(resource1, resource2);
    }

    @Test
    public void testNotEqualsWithNullFields() {
        StreamResource resource1 = new StreamResource(null, null);
        StreamResource resource2 = new StreamResource(
                EasyMock.createMock(StreamSource.class), "");

        assertNotEquals(resource1, resource2);
    }

    @Test
    public void testHashCodeForNullFields() {
        StreamResource resource = new StreamResource(null, null);
        // No NPE
        resource.hashCode();
    }

    @Test
    public void cacheTime() throws URISyntaxException {
        StreamResource resource = new StreamResource(
                EasyMock.createMock(StreamSource.class), "") {
            @Override
            public long getCacheTime() {
                return 5;
            }
        };
        resource.setBufferSize(100);
        resource.setCacheTime(200);

        DownloadStream downloadStream = resource.getStream();
        assertEquals(
                "DownloadStream buffer size must be same as resource buffer size",
                resource.getBufferSize(), downloadStream.getBufferSize());
        assertEquals(
                "DownloadStream cache time must be same as resource cache time",
                resource.getCacheTime(), downloadStream.getCacheTime());
    }
}