[jira] Created: (WICKET-2269) A small change would allow WicketTesting attributeModifiers

[Martin Makundi (JIRA)]

A small change would allow WicketTesting attributeModifiers
-----------------------------------------------------------

                 Key: WICKET-2269
                 URL: https://issues.apache.org/jira/browse/WICKET-2269
             Project: Wicket
          Issue Type: Improvement
          Components: wicket
    Affects Versions: 1.4-RC2
            Reporter: Martin Makundi


The workaround is as follows, because AttributeModifier.getReplaceModel -method 
is protected. This operation should somehow be supported in WicketTester:

Workaround: 
  private final static Method getReplaceModelMethod;

  static {
    try {
      getReplaceModelMethod = 
AttributeModifier.class.getDeclaredMethod("getReplaceModel");
      getReplaceModelMethod.setAccessible(true);
    } catch (Exception e) {
      e.printStackTrace();
      throw new RuntimeException(e);
    }
  }

  public void assertAttribute(String message, String expected, Component 
component, String attribute) {
    AttributeModifier behavior = getAttributeModifier(component, attribute);
    if (behavior != null) {
      try {
        IModel<?> model = (IModel<?>) getReplaceModelMethod.invoke(behavior);
        assertEquals(message, expected, model.getObject().toString());
        return;
      } catch (Exception e) {
        throw new RuntimeException(e);
      }
    }
    
    fail("Attribute not found.");
  }

Usage example:

    assertAttribute("3", tableFooterCellWebMarkupComponent, 
WebPageConstants.COLSPAN);


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