ren.hankai.cordwood.web.support.MultiReadHttpServletRequestTest.java Source code

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Here is the source code for ren.hankai.cordwood.web.support.MultiReadHttpServletRequestTest.java

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/*******************************************************************************
 * Copyright (C) 2018 hankai
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 ******************************************************************************/

package ren.hankai.cordwood.web.support;

import org.apache.commons.io.IOUtils;
import org.junit.Assert;
import org.junit.Test;
import org.springframework.http.MediaType;
import org.springframework.mock.web.MockHttpServletRequest;
import ren.hankai.cordwood.web.support.MultiReadHttpServletRequest.CachedServletInputStream;

import java.io.BufferedReader;
import java.io.ByteArrayOutputStream;
import java.io.InputStream;
import java.io.StringWriter;

/**
 * ?? Servlet 
 *
 * @author hankai
 * @version 1.0.0
 * @since Nov 30, 2018 1:52:13 PM
 */
public class MultiReadHttpServletRequestTest {

    @Test
    public void testGetInputStream() throws Exception {
        final String requestBody = "{\"name\": \"\"}";

        final MockHttpServletRequest request = new MockHttpServletRequest();
        request.setContentType(MediaType.APPLICATION_JSON_UTF8_VALUE);
        request.setContent(requestBody.getBytes("UTF-8"));

        final MultiReadHttpServletRequest wr = new MultiReadHttpServletRequest(request);
        final InputStream inputStream = wr.getInputStream();
        Assert.assertNotNull(inputStream);
        ByteArrayOutputStream byteOutStream = new ByteArrayOutputStream();
        IOUtils.copy(inputStream, byteOutStream);
        Assert.assertEquals(requestBody, byteOutStream.toString("UTF-8"));
        Assert.assertTrue(inputStream instanceof CachedServletInputStream);
        final CachedServletInputStream cis = (CachedServletInputStream) inputStream;
        Assert.assertTrue(cis.isFinished());
        Assert.assertTrue(cis.isReady());
        cis.setReadListener(null);// ??

        /* ? */
        // ?
        final BufferedReader reader = wr.getReader();
        final StringWriter writer = new StringWriter();
        IOUtils.copy(reader, writer);
        Assert.assertEquals(requestBody, byteOutStream.toString("UTF-8"));

        // ?
        byteOutStream = new ByteArrayOutputStream();
        IOUtils.copy(wr.getInputStream(), byteOutStream);
        Assert.assertEquals(requestBody, byteOutStream.toString("UTF-8"));
    }

}