Package org.apache.wicket.core.request.mapper

Source Code of org.apache.wicket.core.request.mapper.MountedMapperTest

/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements.  See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.apache.wicket.core.request.mapper;

import static org.hamcrest.CoreMatchers.instanceOf;

import org.apache.wicket.MockPage;
import org.apache.wicket.core.request.handler.BookmarkableListenerInterfaceRequestHandler;
import org.apache.wicket.core.request.handler.BookmarkablePageRequestHandler;
import org.apache.wicket.core.request.handler.IPageProvider;
import org.apache.wicket.core.request.handler.IPageRequestHandler;
import org.apache.wicket.core.request.handler.ListenerInterfaceRequestHandler;
import org.apache.wicket.core.request.handler.PageAndComponentProvider;
import org.apache.wicket.core.request.handler.PageProvider;
import org.apache.wicket.core.request.handler.RenderPageRequestHandler;
import org.apache.wicket.markup.html.link.ILinkListener;
import org.apache.wicket.request.IRequestHandler;
import org.apache.wicket.request.IRequestMapper;
import org.apache.wicket.request.Request;
import org.apache.wicket.request.Url;
import org.apache.wicket.request.component.IRequestableComponent;
import org.apache.wicket.request.component.IRequestablePage;
import org.apache.wicket.request.http.WebRequest;
import org.apache.wicket.request.mapper.parameter.INamedParameters;
import org.apache.wicket.request.mapper.parameter.PageParameters;
import org.junit.Test;

/**
* @author Matej Knopp
*/
public class MountedMapperTest extends AbstractMapperTest
{

  /**
   * Construct.
   */
  public MountedMapperTest()
  {
  }

  private final MountedMapper encoder = new MountedMapper("/some/mount/path", MockPage.class)
  {
    @Override
    protected IMapperContext getContext()
    {
      return context;
    }

    @Override
    boolean getRecreateMountedPagesAfterExpiry()
    {
      return true;
    }
  };

  private final MountedMapper placeholderEncoder = new MountedMapper(
    "/some/${param1}/path/${param2}", MockPage.class)
  {
    @Override
    protected IMapperContext getContext()
    {
      return context;
    }

    @Override
    boolean getRecreateMountedPagesAfterExpiry()
    {
      return true;
    }
  };

  private final MountedMapper optionPlaceholderEncoder = new MountedMapper(
    "/some/#{param1}/path/${param2}/#{param3}", MockPage.class)
  {
    @Override
    protected IMapperContext getContext()
    {
      return context;
    }

    @Override
    boolean getRecreateMountedPagesAfterExpiry()
    {
      return true;
    }
  };

  /**
   *
   */
  @Test
  public void decode1()
  {
    Url url = Url.parse("some/mount/path");
    IRequestHandler handler = encoder.mapRequest(getRequest(url));

    assertThat(handler, instanceOf(RenderPageRequestHandler.class));
    IRequestablePage page = ((RenderPageRequestHandler)handler).getPage();

    assertEquals(0, page.getPageParameters().getIndexedCount());
    assertTrue(page.getPageParameters().getNamedKeys().isEmpty());
  }

  /**
   * https://issues.apache.org/jira/browse/WICKET-4994
   */
  @Test
  public void decode1CaseInsensitively()
  {
    Url url = Url.parse("somE/moUnt/paTh");
    IRequestHandler handler = encoder.setCaseSensitiveMatch(false).mapRequest(getRequest(url));

    assertThat(handler, instanceOf(RenderPageRequestHandler.class));
    IRequestablePage page = ((RenderPageRequestHandler)handler).getPage();

    assertEquals(0, page.getPageParameters().getIndexedCount());
    assertTrue(page.getPageParameters().getNamedKeys().isEmpty());
  }

  /**
   *
   */
  @Test
  public void decode2()
  {
    Url url = Url.parse("some/mount/path/indexed1?a=b&b=c");
    IRequestHandler handler = encoder.mapRequest(getRequest(url));

    assertThat(handler, instanceOf(RenderPageRequestHandler.class));
    IRequestablePage page = ((RenderPageRequestHandler)handler).getPage();

    PageParameters p = page.getPageParameters();
    assertEquals(1, p.getIndexedCount());
    assertEquals("indexed1", p.get(0).toString());

    assertEquals(2, p.getNamedKeys().size());
    assertEquals("b", p.get("a").toString());
    assertEquals("c", p.get("b").toString());
  }

  /**
   * The tests resolves pages by id as if they were existed in the page store.
   * These pages have no page parameters (i.e. page.getPageParameters() == null).
   *
   * The request that the encoder does also has no parameters (neither in the path
   * nor in the query string) so the resolved page is assumed to be valid.
   */
  @Test
  public void decode3()
  {
    Url url = Url.parse("some/mount/path?15");
    IRequestHandler handler = encoder.mapRequest(getRequest(url));

    assertThat(handler, instanceOf(RenderPageRequestHandler.class));
    IRequestablePage page = ((RenderPageRequestHandler)handler).getPage();
    checkPage(page, 15);
  }

  /**
   * The tests resolves pages by id as if they were existed in the page store.
   * These pages have no page parameters (i.e. page.getPageParameters() == null).
   *
   * Since Wicket 7.0.0 (WICKET-4441) if a new request to hybrid url
   * (a url with both mount path and pageId) has different page parameters
   * than the resolved page then a new page instance with the new parameters
   * is created.
   * This way if a user manipulates manually the product id in url like:
   * /products/23?3
   * to
   * /products/24?3
   * then Wicket will create a new page that will show product=24
   */
  @Test
  public void decode4()
  {
    Url url = Url.parse("some/mount/path/i1/i2?15&a=b&b=c");
    IRequestHandler handler = encoder.mapRequest(getRequest(url));

    assertThat(handler, instanceOf(RenderPageRequestHandler.class));
    RenderPageRequestHandler h = (RenderPageRequestHandler) handler;
    ((PageProvider) h.getPageProvider()).setPageSource(context);
    IRequestablePage page = h.getPage();
    checkPage(page, 1);

    PageParameters p = page.getPageParameters();
    assertEquals(2, p.getIndexedCount());

    assertEquals(2, p.getNamedKeys().size());
  }

  /**
   *
   */
  @Test
  public void decode5()
  {
    Url url = Url.parse("some/mount/path?15-ILinkListener-foo-bar");
    IRequestHandler handler = encoder.mapRequest(getRequest(url));

    assertThat(handler, instanceOf(ListenerInterfaceRequestHandler.class));

    ListenerInterfaceRequestHandler h = (ListenerInterfaceRequestHandler)handler;

    IRequestablePage page = h.getPage();
    checkPage(page, 15);

    assertEquals(ILinkListener.INTERFACE, h.getListenerInterface());
    assertEquals("foo:bar", h.getComponent().getPageRelativePath());
    assertNull(h.getBehaviorIndex());
  }

  /**
   *
   */
  @Test
  public void decode6()
  {
    Url url = Url.parse("some/mount/path/i1/i2?15-ILinkListener-foo-bar&a=b&b=c");
    IRequestHandler handler = encoder.mapRequest(getRequest(url));

    assertThat(handler, instanceOf(ListenerInterfaceRequestHandler.class));
    ListenerInterfaceRequestHandler h = (ListenerInterfaceRequestHandler)handler;

    IRequestablePage page = h.getPage();
    checkPage(page, 15);

    assertEquals(ILinkListener.INTERFACE, h.getListenerInterface());
    assertEquals("foo:bar", h.getComponent().getPageRelativePath());

    PageParameters p = page.getPageParameters();
    assertEquals(0, p.getIndexedCount());

    assertEquals(0, p.getNamedKeys().size());
  }

  /**
   *
   */
  @Test
  public void decode7()
  {
    Url url = Url.parse("some/mount/path?param1=value1&15-ILinkListener.4-foo-bar");
    IRequestHandler handler = encoder.mapRequest(getRequest(url));

    assertThat(handler, instanceOf(ListenerInterfaceRequestHandler.class));

    ListenerInterfaceRequestHandler h = (ListenerInterfaceRequestHandler)handler;

    IRequestablePage page = h.getPage();
    checkPage(page, 15);

    assertEquals(ILinkListener.INTERFACE, h.getListenerInterface());
    assertEquals("foo:bar", h.getComponent().getPageRelativePath());
    assertEquals((Object)4, h.getBehaviorIndex());
  }

  /**
   *
   */
  @Test
  public void decode8()
  {
    Url url = Url.parse("some/mmount/path?15-ILinkListener.4-foo-bar");
    IRequestHandler handler = encoder.mapRequest(getRequest(url));

    assertNull(handler);
  }

  /**
   *
   */
  @Test
  public void decode9()
  {
    // capture the home page
    Url url = Url.parse("");
    IRequestHandler handler = encoder.mapRequest(getRequest(url));
    assertThat(handler, instanceOf(RenderPageRequestHandler.class));
  }

  /**
   *
   */
  @Test
  public void decode10()
  {
    Url url = Url.parse("some/mount/path?15-5.ILinkListener.4-foo-bar");
    context.setNextPageRenderCount(5);
    IRequestHandler handler = encoder.mapRequest(getRequest(url));

    assertThat(handler, instanceOf(ListenerInterfaceRequestHandler.class));

    ListenerInterfaceRequestHandler h = (ListenerInterfaceRequestHandler)handler;

    IRequestablePage page = h.getPage();
    assertEquals(5, page.getRenderCount());
  }

  /**
   *
   */
  @Test(expected = StalePageException.class)
  public void decode11()
  {
    Url url = Url.parse("some/mount/path?15-5.ILinkListener.4-foo-bar");
    context.setNextPageRenderCount(7);

    IRequestHandler handler = encoder.mapRequest(getRequest(url));

    ((IPageRequestHandler)handler).getPage();
  }

  /**
   *
   */
  @Test
  public void decode12()
  {
    Url url = Url.parse("some/mount/path/i1/i2?-1.ILinkListener-foo-bar&a=b&b=c");
    IRequestHandler handler = encoder.mapRequest(getRequest(url));

    assertThat(handler, instanceOf(ListenerInterfaceRequestHandler.class));

    ListenerInterfaceRequestHandler h = (ListenerInterfaceRequestHandler)handler;
    IRequestablePage page = h.getPage();
    checkPage(page, 1);

    assertEquals(ILinkListener.INTERFACE, h.getListenerInterface());
    assertEquals("foo:bar", h.getComponent().getPageRelativePath());
    assertNull(h.getBehaviorIndex());

    PageParameters p = page.getPageParameters();
    assertEquals(2, p.getIndexedCount());

    assertEquals(2, p.getNamedKeys().size());
  }

  /**
   *
   */
  @Test
  public void encode1()
  {
    PageProvider provider = new PageProvider(MockPage.class, new PageParameters());
    provider.setPageSource(context);
    IRequestHandler handler = new BookmarkablePageRequestHandler(provider);
    Url url = encoder.mapHandler(handler);
    assertEquals("some/mount/path", url.toString());
  }

  /**
   *
   */
  @Test
  public void encode2()
  {
    PageParameters parameters = new PageParameters();
    parameters.set(0, "i1");
    parameters.set(1, "i2");
    parameters.set("a", "b", INamedParameters.Type.QUERY_STRING);
    parameters.set("b", "c", INamedParameters.Type.QUERY_STRING);
    PageProvider provider = new PageProvider(MockPage.class, parameters);
    provider.setPageSource(context);
    IRequestHandler handler = new BookmarkablePageRequestHandler(provider);
    Url url = encoder.mapHandler(handler);
    assertEquals("some/mount/path/i1/i2?a=b&b=c", url.toString());
  }

  /**
   *
   */
  @Test
  public void encode3()
  {
    PageParameters parameters = new PageParameters();
    parameters.set(0, "i1");
    parameters.set(1, "i2");
    parameters.set("a", "b", INamedParameters.Type.QUERY_STRING);
    parameters.set("b", "c", INamedParameters.Type.QUERY_STRING);

    PageProvider provider = new PageProvider(MockPage.class, parameters);
    provider.setPageSource(context);
    IRequestHandler handler = new BookmarkablePageRequestHandler(provider);
    Url url = encoder.mapHandler(handler);

    assertEquals("some/mount/path/i1/i2?a=b&b=c", url.toString());
  }

  /**
   *
   */
  @Test
  public void encode4()
  {
    MockPage page = new MockPage(15);
    page.getPageParameters().set(0, "i1");
    page.getPageParameters().set(1, "i2");
    page.getPageParameters().set("a", "b", INamedParameters.Type.QUERY_STRING);
    page.getPageParameters().set("b", "c", INamedParameters.Type.QUERY_STRING);
    page.setCreatedBookmarkable(true);

    IPageProvider provider = new PageProvider(page);
    IRequestHandler handler = new RenderPageRequestHandler(provider);
    Url url = encoder.mapHandler(handler);

    assertEquals("some/mount/path/i1/i2?15&a=b&b=c", url.toString());
  }

  /**
   *
   */
  @Test
  public void encode5()
  {
    MockPage page = new MockPage(15);
    page.getPageParameters().set(0, "i1");
    page.getPageParameters().set(1, "i2");
    page.getPageParameters().set("a", "b", INamedParameters.Type.QUERY_STRING);
    page.getPageParameters().set("b", "c", INamedParameters.Type.QUERY_STRING);

    page.setCreatedBookmarkable(false);

    IPageProvider provider = new PageProvider(page);
    IRequestHandler handler = new RenderPageRequestHandler(provider);
    Url url = encoder.mapHandler(handler);

    // mounted pages must render mounted url even for page that has not been
    // created by
    // bookmarkable
    // URL

    assertEquals("some/mount/path/i1/i2?15&a=b&b=c", url.toString());
  }

  /**
   *
   */
  @Test
  public void encode6()
  {
    MockPage page = new MockPage(15);
    page.getPageParameters().set(0, "i1");
    page.getPageParameters().set(1, "i2");
    page.getPageParameters().set("a", "b", INamedParameters.Type.QUERY_STRING);
    page.getPageParameters().set("b", "c", INamedParameters.Type.QUERY_STRING);
    page.setRenderCount(4);

    // shouldn't make any difference for
    // BookmarkableListenerInterfaceRequestHandler,
    // as this explicitely says the url must be bookmarkable
    page.setCreatedBookmarkable(false);

    IRequestableComponent c = page.get("foo:bar");

    PageAndComponentProvider provider = new PageAndComponentProvider(page, c);
    IRequestHandler handler = new BookmarkableListenerInterfaceRequestHandler(provider,
      ILinkListener.INTERFACE);

    Url url = encoder.mapHandler(handler);

    assertEquals("some/mount/path/i1/i2?15-4.ILinkListener-foo-bar&a=b&b=c", url.toString());
  }

  /**
   * https://issues.apache.org/jira/browse/WICKET-4014
   *
   * The difference with testEncode7 is that here ListenerInterfaceRequestHandler is used instead
   * of BookmarkableListenerInterfaceRequestHandler
   */
  @Test
  public void encode6_1()
  {
    MockPage page = new MockPage(15);
    page.getPageParameters().set(0, "i1");
    page.getPageParameters().set(1, "i2");
    page.getPageParameters().set("a", "b", INamedParameters.Type.QUERY_STRING);
    page.getPageParameters().set("b", "c", INamedParameters.Type.QUERY_STRING);

    // WICKET-4038
    page.getPageParameters().add(WebRequest.PARAM_AJAX, "true", INamedParameters.Type.QUERY_STRING);
    page.getPageParameters().add(WebRequest.PARAM_AJAX_BASE_URL, "some/base/url", INamedParameters.Type.QUERY_STRING);

    page.setRenderCount(4);

    // shouldn't make any difference for ListenerInterfaceRequestHandler,
    // as this explicitly says the url must be bookmarkable
    page.setCreatedBookmarkable(false);

    IRequestableComponent c = page.get("foo:bar");

    PageAndComponentProvider provider = new PageAndComponentProvider(page, c);
    IRequestHandler handler = new ListenerInterfaceRequestHandler(provider,
      ILinkListener.INTERFACE);

    Url url = encoder.mapHandler(handler);

    assertEquals("some/mount/path/i1/i2?15-4.ILinkListener-foo-bar&a=b&b=c", url.toString());
  }

  /**
   *
   */
  @Test
  public void encode7()
  {
    MockPage page = new MockPage(15);
    page.getPageParameters().set(0, "i1");
    page.getPageParameters().set(1, "i2");
    page.getPageParameters().set("a", "b", INamedParameters.Type.QUERY_STRING);
    page.getPageParameters().set("b", "c", INamedParameters.Type.QUERY_STRING);
    page.setRenderCount(5);

    // shouldn't make any difference for
    // BookmarkableListenerInterfaceRequestHandler,
    // as this explicitely says the url must be bookmarkable
    page.setCreatedBookmarkable(false);

    IRequestableComponent c = page.get("foo:bar");

    PageAndComponentProvider provider = new PageAndComponentProvider(page, c);
    IRequestHandler handler = new BookmarkableListenerInterfaceRequestHandler(provider,
      ILinkListener.INTERFACE, 4);

    Url url = encoder.mapHandler(handler);

    assertEquals("some/mount/path/i1/i2?15-5.ILinkListener.4-foo-bar&a=b&b=c", url.toString());
  }

  /**
   * https://issues.apache.org/jira/browse/WICKET-4014
   *
   * The difference with testEncode7 is that here ListenerInterfaceRequestHandler is used instead
   * of BookmarkableListenerInterfaceRequestHandler
   */
  @Test
  public void encode7_1()
  {
    MockPage page = new MockPage(15);
    page.getPageParameters().set(0, "i1");
    page.getPageParameters().set(1, "i2");
    page.getPageParameters().set("a", "b", INamedParameters.Type.QUERY_STRING);
    page.getPageParameters().set("b", "c", INamedParameters.Type.QUERY_STRING);
    page.setRenderCount(5);

    // shouldn't make any difference for ListenerInterfaceRequestHandler,
    // as this explicitely says the url must be bookmarkable
    page.setCreatedBookmarkable(false);

    IRequestableComponent c = page.get("foo:bar");

    PageAndComponentProvider provider = new PageAndComponentProvider(page, c);
    IRequestHandler handler = new ListenerInterfaceRequestHandler(provider,
      ILinkListener.INTERFACE, 4);

    Url url = encoder.mapHandler(handler);

    assertEquals("some/mount/path/i1/i2?15-5.ILinkListener.4-foo-bar&a=b&b=c", url.toString());
  }

  /**
   *
   */
  @Test
  public void encode8()
  {
    MockPage page = new MockPage(15);
    page.setBookmarkable(true);
    page.setCreatedBookmarkable(true);
    page.setPageStateless(true);

    IPageProvider provider = new PageProvider(page);
    IRequestHandler handler = new RenderPageRequestHandler(provider);

    Url url = encoder.mapHandler(handler);

    assertEquals("some/mount/path", url.toString());
  }

  /**
   *
   */
  @Test(expected = IllegalArgumentException.class)
  public void construct1()
  {
    IRequestMapper e = new MountedMapper("", MockPage.class);
  }

  /**
   * Overriding mounting on '/' (see HomePageMapper) should be possible
   */
  @Test
  public void construct2()
  {
    IRequestMapper homePageMapper = new MountedMapper("/", MockPage.class);
    assertNotNull(homePageMapper);
  }

  /**
   *
   */
  @Test
  public void placeholderDecode1()
  {
    Url url = Url.parse("some/p1/path/p2");
    IRequestHandler handler = placeholderEncoder.mapRequest(getRequest(url));

    assertThat(handler, instanceOf(RenderPageRequestHandler.class));
    IRequestablePage page = ((RenderPageRequestHandler)handler).getPage();

    assertEquals(0, page.getPageParameters().getIndexedCount());
    assertTrue(page.getPageParameters().getNamedKeys().size() == 2);
    assertEquals("p1", page.getPageParameters().get("param1").toString());
    assertEquals("p2", page.getPageParameters().get("param2").toString());
  }

  /**
   *
   */
  @Test
  public void placeholderDecode2()
  {
    Url url = Url.parse("some/p1/path/p2/indexed1?a=b&b=c");
    IRequestHandler handler = placeholderEncoder.mapRequest(getRequest(url));

    assertThat(handler, instanceOf(RenderPageRequestHandler.class));
    IRequestablePage page = ((RenderPageRequestHandler)handler).getPage();

    PageParameters p = page.getPageParameters();
    assertEquals(1, p.getIndexedCount());
    assertEquals("indexed1", p.get(0).toString());

    assertEquals(4, p.getNamedKeys().size());
    assertEquals("b", p.get("a").toString());
    assertEquals("c", p.get("b").toString());
    assertEquals("p1", page.getPageParameters().get("param1").toString());
    assertEquals("p2", page.getPageParameters().get("param2").toString());
  }

  /**   */
  @Test
  public void placeholderDecodeWithIndexedParameters()
  {
    Url url = Url.parse("some/p1/path/p2/p3/p4");
    IRequestHandler handler = placeholderEncoder.mapRequest(getRequest(url));

    assertThat(handler, instanceOf(RenderPageRequestHandler.class));
    IRequestablePage page = ((RenderPageRequestHandler)handler).getPage();

    assertEquals(2, page.getPageParameters().getIndexedCount());
    assertTrue(page.getPageParameters().getNamedKeys().size() == 2);
    assertEquals("p1", page.getPageParameters().get("param1").toString());
    assertEquals("p2", page.getPageParameters().get("param2").toString());
    assertEquals("p3", page.getPageParameters().get(0).toString());
    assertEquals("p4", page.getPageParameters().get(1).toString());
  }

  /**
   *
   */
  @Test
  public void placeholderEncode2()
  {
    PageParameters parameters = new PageParameters();
    parameters.set(0, "i1");
    parameters.set(1, "i2");
    parameters.set("a", "b", INamedParameters.Type.QUERY_STRING);
    parameters.set("b", "c", INamedParameters.Type.QUERY_STRING);
    parameters.set("param1", "p1", INamedParameters.Type.PATH);
    parameters.set("param2", "p2", INamedParameters.Type.PATH);


    PageProvider provider = new PageProvider(MockPage.class, parameters);
    provider.setPageSource(context);
    IRequestHandler handler = new BookmarkablePageRequestHandler(provider);
    Url url = placeholderEncoder.mapHandler(handler);
    assertEquals("some/p1/path/p2/i1/i2?a=b&b=c", url.toString());
  }

  /**
   * Test Url creation with {@link RenderPageRequestHandler}. Cheat that the page instance is not
   * new, this way the produced Url has version '1' in the page info parameter
   */
  @Test
  public void placeholderEncode3()
  {
    PageParameters parameters = new PageParameters();
    parameters.set(0, "i1");
    parameters.set(1, "i2");
    parameters.set("a", "b", INamedParameters.Type.QUERY_STRING);
    parameters.set("b", "c", INamedParameters.Type.QUERY_STRING);
    parameters.set("param1", "p1", INamedParameters.Type.PATH);
    parameters.set("param2", "p2", INamedParameters.Type.PATH);

    PageProvider provider = new PageProvider(MockPage.class, parameters)
    {
      @Override
      public boolean isNewPageInstance()
      {
        return false;
      }
    };
    provider.setPageSource(context);
    IRequestHandler handler = new RenderPageRequestHandler(provider);
    Url url = placeholderEncoder.mapHandler(handler);
    assertEquals("some/p1/path/p2/i1/i2?1&a=b&b=c", url.toString());
  }

  /**
   * WICKET-5247 page instantiated without required parameters won't be mapped
   */
  @Test
  public void placeholderEncode4()
  {
    PageProvider provider = new PageProvider(new MockPage())
    {
      @Override
      public boolean isNewPageInstance()
      {
        return false;
      }
    };
    provider.setPageSource(context);
    IRequestHandler handler = new RenderPageRequestHandler(provider);
    Url url = placeholderEncoder.mapHandler(handler);
    assertNull(url);
  }

  /** */
  @Test
  public void optionPlaceholderDecode1()
  {
    Url url = Url.parse("some/p1/path/p2/p3");
    IRequestHandler handler = optionPlaceholderEncoder.mapRequest(getRequest(url));

    assertThat(handler, instanceOf(RenderPageRequestHandler.class));
    IRequestablePage page = ((RenderPageRequestHandler)handler).getPage();

    assertEquals(0, page.getPageParameters().getIndexedCount());
    assertTrue(page.getPageParameters().getNamedKeys().size() == 3);
    assertEquals("p1", page.getPageParameters().get("param1").toString());
    assertEquals("p2", page.getPageParameters().get("param2").toString());
    assertEquals("p3", page.getPageParameters().get("param3").toString());
  }

  /** */
  @Test
  public void optionPlaceholderDecodeEagerMatchParameters()
  {
    Url url = Url.parse("some/path/path/path");
    IRequestHandler handler = optionPlaceholderEncoder.mapRequest(getRequest(url));

    assertThat(handler, instanceOf(RenderPageRequestHandler.class));
    IRequestablePage page = ((RenderPageRequestHandler)handler).getPage();

    assertEquals(0, page.getPageParameters().getIndexedCount());
    assertTrue(page.getPageParameters().getNamedKeys().size() == 2);
    assertEquals("path", page.getPageParameters().get("param1").toString());
    assertEquals("path", page.getPageParameters().get("param2").toString());
    assertFalse("param3 should not be set",
      page.getPageParameters().getNamedKeys().contains("param3"));
  }

  /** */
  @Test
  public void optionPlaceholderDecode2()
  {
    Url url = Url.parse("some/p1/path/p2");
    IRequestHandler handler = optionPlaceholderEncoder.mapRequest(getRequest(url));

    assertThat(handler, instanceOf(RenderPageRequestHandler.class));
    IRequestablePage page = ((RenderPageRequestHandler)handler).getPage();

    assertEquals(0, page.getPageParameters().getIndexedCount());
    assertTrue(page.getPageParameters().getNamedKeys().size() == 2);
    assertEquals("p1", page.getPageParameters().get("param1").toString());
    assertEquals("p2", page.getPageParameters().get("param2").toString());
    assertFalse("param3 should not be set",
      page.getPageParameters().getNamedKeys().contains("param3"));
  }

  /** */
  @Test
  public void optionPlaceholderDecode3()
  {
    Url url = Url.parse("some/path/p2");
    IRequestHandler handler = optionPlaceholderEncoder.mapRequest(getRequest(url));

    assertThat(handler, instanceOf(RenderPageRequestHandler.class));
    IRequestablePage page = ((RenderPageRequestHandler)handler).getPage();

    assertEquals(0, page.getPageParameters().getIndexedCount());
    assertTrue(page.getPageParameters().getNamedKeys().size() == 1);
    assertFalse("param1 should not be set",
      page.getPageParameters().getNamedKeys().contains("param1"));
    assertEquals("p2", page.getPageParameters().get("param2").toString());
    assertFalse("param3 should not be set",
      page.getPageParameters().getNamedKeys().contains("param3"));
  }

  /** */
  @Test
  public void optionPlaceholderDecodeWithIndexParams()
  {
    Url url = Url.parse("some/path/p2/p3/p4");
    IRequestHandler handler = optionPlaceholderEncoder.mapRequest(getRequest(url));

    assertThat(handler, instanceOf(RenderPageRequestHandler.class));
    IRequestablePage page = ((RenderPageRequestHandler)handler).getPage();

    assertEquals(1, page.getPageParameters().getIndexedCount());
    assertTrue(page.getPageParameters().getNamedKeys().size() == 2);
    assertFalse("param1 should not be set",
      page.getPageParameters().getNamedKeys().contains("param1"));
    assertEquals("p2", page.getPageParameters().get("param2").toString());
    assertEquals("p3", page.getPageParameters().get("param3").toString());
    assertEquals("p4", page.getPageParameters().get(0).toString());
  }

  /** */
  @Test
  public void optionPlaceholderEncode1()
  {
    PageParameters parameters = new PageParameters();
    parameters.set(0, "i1");
    parameters.set(1, "i2");
    parameters.set("a", "b", INamedParameters.Type.QUERY_STRING);
    parameters.set("b", "c", INamedParameters.Type.QUERY_STRING);
    parameters.set("param1", "p1", INamedParameters.Type.PATH);
    parameters.set("param2", "p2", INamedParameters.Type.PATH);


    PageProvider provider = new PageProvider(MockPage.class, parameters);
    provider.setPageSource(context);
    IRequestHandler handler = new BookmarkablePageRequestHandler(provider);
    Url url = optionPlaceholderEncoder.mapHandler(handler);
    assertEquals("some/p1/path/p2/i1/i2?a=b&b=c", url.toString());
  }

  /** */
  @Test
  public void optionPlaceholderEncode2()
  {
    PageParameters parameters = new PageParameters();
    parameters.set(0, "i1");
    parameters.set(1, "i2");
    parameters.set("a", "b", INamedParameters.Type.QUERY_STRING);
    parameters.set("b", "c", INamedParameters.Type.QUERY_STRING);
    parameters.set("param2", "p2", INamedParameters.Type.PATH);
    parameters.set("param3", "p3", INamedParameters.Type.PATH);


    PageProvider provider = new PageProvider(MockPage.class, parameters);
    provider.setPageSource(context);
    IRequestHandler handler = new BookmarkablePageRequestHandler(provider);
    Url url = optionPlaceholderEncoder.mapHandler(handler);
    assertEquals("some/path/p2/p3/i1/i2?a=b&b=c", url.toString());
  }

  /* WICKET-5056 * */
  @Test
  public void optionalParameterGetsLowerScore_ThanExactOne() throws Exception
  {
    final Url url = Url.parse("all/sindex");
    final MountedMapper exactMount = new MountedMapper("/all/sindex", MockPage.class);
    final MountedMapper optionalParameter = new MountedMapper("/all/#{exp}", MockPage.class);
    Request request = getRequest(url);
    final int exactCompatScore = exactMount.getCompatibilityScore(request);
    final int optCompatScore = optionalParameter.getCompatibilityScore(request);
    assertTrue("exactCompatScore should have greater compatibility score than optional one"
      + " got exact = " + exactCompatScore + " and optional = " + optCompatScore,
      exactCompatScore > optCompatScore);
  }

  @Test
  public void exactMountGetsBetterScore_ThanParameterOne() throws Exception
  {
    final Url url = Url.parse("all/sindex");
    final MountedMapper exactMount = new MountedMapper("/all/sindex", MockPage.class);
    final MountedMapper requiredParam = new MountedMapper("/all/${exp}", MockPage.class);
    Request request = getRequest(url);
    final int exactCompatScore = exactMount.getCompatibilityScore(request);
    final int requiredParamScore = requiredParam.getCompatibilityScore(request);
    assertTrue("exactCompatScore should have greater compatibility score than required one"
      + " got exact = " + exactCompatScore + " and required= " + requiredParamScore,
      exactCompatScore > requiredParamScore);
  }

  @Test
  public void exactMountGetsBetterScore_ThanParameterOne_ThenOptionalOne() throws Exception
  {
    final Url url = Url.parse("all/sindex");
    final MountedMapper exactMount = new MountedMapper("/all/sindex", MockPage.class);
    final MountedMapper requiredParam = new MountedMapper("/all/${exp}", MockPage.class);
    final MountedMapper optionalParameter = new MountedMapper("/all/#{exp}", MockPage.class);
    final MountedMapper requiredOptionalParam = new MountedMapper("/all/${exp}/#{opt}",
      MockPage.class);

    Request request = getRequest(url);
    final int exactCompatScore = exactMount.getCompatibilityScore(request);
    final int requiredParamScore = requiredParam.getCompatibilityScore(request);
    final int optCompatScore = optionalParameter.getCompatibilityScore(request);
    final int requiredOptCompatScore = requiredOptionalParam.getCompatibilityScore(request);

    assertTrue("exactCompatScore should have greater compatibility score than required one"
      + " got exact = " + exactCompatScore + " and required= " + requiredParamScore,
      exactCompatScore > requiredParamScore);

    assertTrue(
      "exactCompatScore should have greater compatibility score than required+optional one"
        + " got exact = " + exactCompatScore + " and requiredOptional= "
        + requiredOptCompatScore, exactCompatScore > requiredOptCompatScore);

    assertTrue("exactCompatScore should have greater compatibility score than optional one"
      + " got exact = " + exactCompatScore + " and optional = " + optCompatScore,
      requiredParamScore > optCompatScore);
  }
}
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