@Test public void testToString() { SelectorDimFilter selectorDimFilter = new SelectorDimFilter("abc", "d", null); RegexDimExtractionFn regexFn = new RegexDimExtractionFn(".*", false, null); SelectorDimFilter selectorDimFilter2 = new SelectorDimFilter("abc", "d", regexFn); Assert.assertEquals("abc = d", selectorDimFilter.toString()); Assert.assertEquals("regex(/.*/, 1)(abc) = d", selectorDimFilter2.toString()); }