tiles-autotag-jsp-runtime/src/test/java/org/apache/tiles/autotag/jsp/runtime/JspModelBodyTest.java

package org.apache.tiles.autotag.jsp.runtime;
/**
 *
 */


import static org.easymock.EasyMock.*;

import java.io.IOException;
import java.io.Writer;

import javax.servlet.jsp.JspException;
import javax.servlet.jsp.JspWriter;
import javax.servlet.jsp.PageContext;
import javax.servlet.jsp.tagext.JspFragment;

import org.junit.Test;

/**
 * Tests {@link JspModelBody}.
 *
 * @version $Rev$ $Date$
 */
public class JspModelBodyTest {

    /**
     * Test method for {@link org.apache.tiles.autotag.freemarker.runtime.JspModelBody#evaluate(java.io.Writer)}.
     * @throws IOException If something goes wrong.
     * @throws JspException If something goes wrong.
     */
    @Test
    public void testEvaluateWriter() throws JspException, IOException {
        JspFragment body = createMock(JspFragment.class);
        PageContext pageContext = createMock(PageContext.class);
        JspWriter writer = createMock(JspWriter.class);

        expect(pageContext.getOut()).andReturn(null);
        body.invoke(writer);

        replay(body, pageContext, writer);
        JspModelBody modelBody = new JspModelBody(body, pageContext);
        modelBody.evaluate(writer);
        verify(body, pageContext, writer);
    }

    /**
     * Test method for {@link org.apache.tiles.autotag.freemarker.runtime.JspModelBody#evaluate(java.io.Writer)}.
     * @throws IOException If something goes wrong.
     * @throws JspException If something goes wrong.
     */
    @Test
    public void testEvaluateWriterNull() throws JspException, IOException {
        PageContext pageContext = createMock(PageContext.class);
        Writer writer = createMock(Writer.class);

        expect(pageContext.getOut()).andReturn(null);

        replay(writer, pageContext);
        JspModelBody modelBody = new JspModelBody(null, pageContext);
        modelBody.evaluate(writer);
        verify(writer, pageContext);
    }

    /**
     * Test method for {@link org.apache.tiles.autotag.freemarker.runtime.JspModelBody#evaluate(java.io.Writer)}.
     * @throws IOException If something goes wrong.
     * @throws JspException If something goes wrong.
     */
    @Test(expected=IOException.class)
    public void testEvaluateWriterException() throws JspException, IOException {
        PageContext pageContext = createMock(PageContext.class);
        JspFragment body = createMock(JspFragment.class);
        JspWriter writer = createMock(JspWriter.class);

        expect(pageContext.getOut()).andReturn(null);
        body.invoke(writer);
        expectLastCall().andThrow(new JspException());

        replay(body, pageContext, writer);
        try {
            JspModelBody modelBody = new JspModelBody(body, pageContext);
            modelBody.evaluate(writer);
        } finally {
            verify(body, pageContext, writer);
        }
    }
}