/*
* Copyright 2008 Federal Chancellery Austria and
* Graz University of Technology
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
*     http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package at.gv.egiz.bku.binding;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.Iterator;

import org.junit.Before;
import org.junit.Test;

import at.gv.egiz.bku.utils.StreamUtil;

public class InputDecoderFactoryTest {

  protected String resourceName = "at/gv/egiz/bku/binding/Multipart.txt.bin";
  protected byte[] data;

  @Before
  public void setUp() throws IOException {
    InputStream is = getClass().getClassLoader().getResourceAsStream(
        resourceName);
    ByteArrayOutputStream bos = new ByteArrayOutputStream();
    byte[] buffer = new byte[1024];
    int i;

    while ((i = is.read(buffer)) != -1) {
      bos.write(buffer, 0, i);
    }
    is.close();
    data = bos.toByteArray();
  }

  @Test
  public void testPrefix() {
    InputDecoder dec = InputDecoderFactory.getDecoder(
        "multipart/form-data; boundary=AaB03x", null);
    assertTrue(dec instanceof MultiPartFormDataInputDecoder);
  }

  @Test
  public void testMultipart() throws IOException {
    InputDecoder dec = InputDecoderFactory
        .getDecoder(
            "multipart/form-data; boundary=---------------------------15671293698853",
            new ByteArrayInputStream(data));
    assertNotNull(dec);
    for (Iterator<FormParameter> fpi = dec.getFormParameterIterator(); fpi
        .hasNext();) {
      FormParameter fp = fpi.next();
      if (fp.getFormParameterName().equals("XMLRequest")) {
        assertEquals("text/xml", fp.getFormParameterContentType());
        return;
      }
    }
    assertTrue(false);
  }

  @Test
  public void testUrlEncoded() throws IOException {
    InputDecoder dec = InputDecoderFactory.getDecoder(
        "application/x-www-form-urlencoded", null);
    assertTrue(dec instanceof XWWWFormUrlInputDecoder);
    dec = InputDecoderFactory.getDecoder(
        "application/x-WWW-form-urlencoded;charset=UTF-8",
        new ByteArrayInputStream(
            "your_name=hansi+wurzel&userid=123&form_name=wasinet".getBytes()));
    assertTrue(dec instanceof XWWWFormUrlInputDecoder);
    Iterator<FormParameter> fpi = dec.getFormParameterIterator();
    FormParameter fp = fpi.next();
    ByteArrayOutputStream os = new ByteArrayOutputStream();
    StreamUtil.copyStream(fp.getFormParameterValue(), os);
    String value = new String(os.toByteArray(), "UTF-8");
    assertEquals("hansi wurzel", value);
  }
}