1   package org.displaytag.jsptests;
2   
3   import org.displaytag.properties.MediaTypeEnum;
4   import org.displaytag.tags.TableTagParameters;
5   import org.displaytag.test.DisplaytagCase;
6   import org.displaytag.util.ParamEncoder;
7   
8   import com.meterware.httpunit.GetMethodWebRequest;
9   import com.meterware.httpunit.WebRequest;
10  import com.meterware.httpunit.WebResponse;
11  import com.meterware.httpunit.WebTable;
12  
13  
14  /***
15   * Tests for optimized iterations (don't evaluate unneeded body of columns).
16   * @author Fabrizio Giustina
17   * @version $Revision: 1.2 $ ($Author: fgiust $)
18   */
19  public class OptimizedIterationTest extends DisplaytagCase
20  {
21  
22      /***
23       * @see org.displaytag.test.DisplaytagCase#getJspName()
24       */
25      public String getJspName()
26      {
27          return "optimizediteration.jsp";
28      }
29  
30      /***
31       * Verifies that the generated page contains the pagination links with the inupt parameter. Tests #917200 ("{}" in
32       * parameters).
33       * @param jspName jsp name, with full path
34       * @throws Exception any axception thrown during test.
35       */
36      public void doTest(String jspName) throws Exception
37      {
38  
39          WebRequest request = new GetMethodWebRequest(jspName);
40          ParamEncoder encoder = new ParamEncoder("table");
41  
42          // page 1, not sorted
43          request.setParameter(encoder.encodeParameterName(TableTagParameters.PARAMETER_PAGE), "1");
44          checkNumberOfIterations(runner.getResponse(request), 1);
45  
46          // page 2, not sorted
47          request.setParameter(encoder.encodeParameterName(TableTagParameters.PARAMETER_PAGE), "2");
48          checkNumberOfIterations(runner.getResponse(request), 1);
49  
50          // page 1, sorted full list (all rows)
51          request.setParameter(encoder.encodeParameterName(TableTagParameters.PARAMETER_SORT), "1");
52          request.setParameter(encoder.encodeParameterName(TableTagParameters.PARAMETER_PAGE), "1");
53          checkNumberOfIterations(runner.getResponse(request), 4);
54  
55          // page 1, not sorted but export full list
56          request.setParameter(encoder.encodeParameterName(TableTagParameters.PARAMETER_EXPORTTYPE), Integer
57              .toString(MediaTypeEnum.CSV.getCode()));
58          request.setParameter(encoder.encodeParameterName(TableTagParameters.PARAMETER_PAGE), "1");
59  
60          WebResponse response = runner.getResponse(request);
61          String csvExport = response.getText();
62          if (log.isDebugEnabled())
63          {
64              log.debug(response.getText());
65          }
66  
67          assertEquals("Wrong csv export", "ant,1\nant,2\nant,3\nant,4\n", csvExport);
68  
69      }
70  
71      /***
72       * @param response WebResponse
73       * @param iterations expected number of iterations
74       * @throws Exception any axception thrown during test.
75       */
76      private void checkNumberOfIterations(WebResponse response, int iterations) throws Exception
77      {
78          if (log.isDebugEnabled())
79          {
80              log.debug(response.getText());
81          }
82  
83          WebTable[] tables = response.getTables();
84          assertEquals("Expected 1 table in result.", 1, tables.length);
85          assertEquals("Expected 2 rows in table.", 2, tables[0].getRowCount());
86  
87          assertEquals("Wrong number of iterations. Evaluated column bodies number is different from expected", Integer
88              .toString(iterations), response.getElementWithID("iterations").getText());
89      }
90  }