content: /**
   * Copyright 2014 55 Minutes (http://www.55minutes.com)
   *
   * 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 fiftyfive.wicket.mapper;
  
  import java.nio.charset.Charset;
  import java.util.Locale;
  
  import org.apache.wicket.request.IRequestHandler;
  import org.apache.wicket.request.Request;
  import org.apache.wicket.request.Url;
  import org.apache.wicket.request.mapper.IMapperContext;
  import org.apache.wicket.util.tester.DummyHomePage;
  import org.junit.Assert;
  import org.junit.Test;
  
  import static org.mockito.Mockito.mock;
  
  
  public class PatternMountedMapperTest
  {
      @Test
      public void testMapRequestReturnsNullOnRegexMismatch()
      {
          final String[][] patternAndRequestUrls = new String[][] {
              new String[] { "products/${productId:\\d+}/${slug}", "products/abc/123" },
              new String[] { "products/${productId:\\d+}/${slug}", "products/123abc/123" },
              new String[] { "products/${productId:\\d+}/${slug}", "products/abc" },
              new String[] { "products/${productId:\\d+}/${slug}", "products/12+3" },
              new String[] { "products/${productId:\\d+}/${slug}", "foo/123/abc" },
              new String[] { "products/${productId:\\d+}/${slug}", "123/abc" }
          };
          for(String[] pair : patternAndRequestUrls)
          {
              String pattern = pair[0];
              String requestUrl = pair[1];
              IRequestHandler handler = invokeMapRequest(pattern, requestUrl);
              Assert.assertNull(requestUrl + " should not match pattern " + pattern, handler);
          }
      }
      
      @Test
      public void testMapRequestReturnsHandlerOnRegexMatch()
      {
          final String[][] patternAndRequestUrls = new String[][] {
              new String[] { "products/${productId:\\d+}/${slug}", "products/123/123" },
              new String[] { "products/${productId:\\d+}/${slug}", "products/123/123/456" },
              new String[] { "products/${productId:\\d+}/${slug}", "products/4/abc" },
              new String[] { "products/${productId:\\d+}/${slug}", "products/900000/1" },
              new String[] { "products/${productId}/${slug}", "products/abc/123" }
          };
          for(String[] pair : patternAndRequestUrls)
          {
              String pattern = pair[0];
              String requestUrl = pair[1];
              IRequestHandler handler = invokeMapRequest(pattern, requestUrl);
              Assert.assertNotNull(requestUrl + " should match pattern " + pattern, handler);
          }
      }
      
      @Test
      public void testMapRequestReturnsHandlerExactMatch()
      {
          final String[][] patternAndRequestUrls = new String[][] {
              new String[] { "products/${productId:\\d+}/${slug}", "products/123/123" },
              new String[] { "products/${productId:\\d+}/${slug}", "products/4/abc" },
              new String[] { "products/${productId:\\d+}/${slug}", "products/900000/1" },
              new String[] { "products/${productId}/${slug}", "products/abc/123" }
          };
          for(String[] pair : patternAndRequestUrls)
          {
              String pattern = pair[0];
              String requestUrl = pair[1];
              IRequestHandler handler = invokeMapRequest(pattern, requestUrl, true);
              Assert.assertNotNull(requestUrl + " should match pattern " + pattern, handler);
          }
      }
      
      @Test
      public void testMapRequestReturnsHandlerOptionalMatch()
      {
          final String[][] patternAndRequestUrls = new String[][] {
              new String[] { "products/${productId:\\d+}/#{slug}", "products/123" },
              new String[] { "products/#{productId:\\d+}", "products/4" },
              new String[] { "products/#{productId:\\d+}", "products" },
          };
          for(String[] pair : patternAndRequestUrls)
          {
              String pattern = pair[0];
              String requestUrl = pair[1];
              IRequestHandler handler = invokeMapRequest(pattern, requestUrl, true);
              Assert.assertNotNull(requestUrl + " should match pattern " + pattern, handler);
          }
      }
      
      @Test
      public void testMapRequestReturnsNullOnInexactMatch()
      {
          final String[][] patternAndRequestUrls = new String[][] {
              new String[] { "products/${productId:\\d+}/${slug}", "products/123/123/456" }
          };
          for(String[] pair : patternAndRequestUrls)
          {
              String pattern = pair[0];
              String requestUrl = pair[1];
              IRequestHandler handler = invokeMapRequest(pattern, requestUrl, true);
              Assert.assertNull(requestUrl + " should not match pattern " + pattern, handler);
          }
      }
      
      private IRequestHandler invokeMapRequest(String pattern, String requestUrl)
      {
          return invokeMapRequest(pattern, requestUrl, false);
      }
  
      private IRequestHandler invokeMapRequest(String pattern, String requestUrl, boolean exact)
      {
          final IMapperContext mockContext = mock(IMapperContext.class);
          PatternMountedMapper mapper = new PatternMountedMapper(pattern, DummyHomePage.class) {
              @Override
              protected IMapperContext getContext()
              {
                  return mockContext;
              }
          };
          if(exact)
          {
              mapper.setExact(true);
          }
          
          Url url = Url.parse(requestUrl);
          return mapper.mapRequest(createRequest(url));
      }
      
      private Request createRequest(final Url requestUrl)
      {
          return new Request() {
              @Override
              public Url getUrl()
              {
                  return requestUrl;
              }
  
              @Override
              public Locale getLocale()
              {
                  return null;
              }
  
              @Override
              public Charset getCharset()
              {
                  return Charset.forName("UTF-8");
              }
  
              @Override
              public Url getClientUrl()
              {
                  return requestUrl;
              }
  
              @Override
              public Object getContainerRequest()
              {
                  return null;
              }
          };
      }
      
      @Test
      public void testRemovePatternsFromPlaceholders()
      {
          final String[][] inputAndExpectedOutput = new String[][] {
              new String[] { null, null },
              new String[] { "/foo", "/foo" },
              new String[] { "/foo/", "/foo/" },
              new String[] { "foo", "foo" },
              new String[] { "foo/", "foo/" },
              new String[] { "foo/bar", "foo/bar" },
              new String[] { "foo/bar/", "foo/bar/" },
              new String[] { "${foo}", "${foo}" },
              new String[] { "${foo}/bar", "${foo}/bar" },
              new String[] { "${foo}/bar/${baz}", "${foo}/bar/${baz}" },
              new String[] { "products/${productId:\\d+}/${slug:.*}", "products/${productId}/${slug}" },
              new String[] { "packages/${trackingCode:1Z[0-9A-Za-z]{16}}/${slug}", "packages/${trackingCode}/${slug}" }
          };
          for(String[] pair : inputAndExpectedOutput)
          {
              String input = pair[0];
              String expected = pair[1];
              Assert.assertEquals(
                  "Failed input: " + input,
                  expected,
                  PatternMountedMapper.removePatternsFromPlaceholders(input));
          }
      }
  }
  