DemoPlugin implements VisuwallPlugin<DemoConnection> { @Override public Map<String, String> getPropertiesWithDefaultValue() { return new HashMap<String, String>(); }  @Override DemoConnection getConnection(URL url, Map<String, String> properties); @Override Map<String, String> getPropertiesWithDefaultValue(); @Override Class<DemoConnection> getConnectionClass(); @Override float getVersion(); @Override String getName(); @Override SoftwareId getSoftwareId(URL url, Map<String, String> properties);  }
@Test public void should_get_empty_map_for_properties() { Map<String, String> properties = plugin.getPropertiesWithDefaultValue(); assertTrue(properties.isEmpty()); }