@Test
public void testProcessorAttributeExtraction() {
assertThat(PostProcessor.getProcessorAttributes("[foo]").length, equalTo(0));
assertThat(PostProcessor.getProcessorAttributes("[foo,]").length, equalTo(1));
assertThat(PostProcessor.getProcessorAttributes("[foo,]")[0], equalTo(""));
assertThat(PostProcessor.getProcessorAttributes("[foo,,,]").length, equalTo(0));
assertThat(PostProcessor.getProcessorAttributes("[foo, a,b,c ]")[0], equalTo("a"));
assertThat(PostProcessor.getProcessorAttributes("[foo,a,b,c ]")[1], equalTo("b"));
assertThat(PostProcessor.getProcessorAttributes("[foo, a,b,c ]")[2], equalTo("c"));
}