/** Example test that tests a PTransform by using an in-memory input and inspecting the output. */
@Test
@Category(RunnableOnService.class)
public void testCountWords() throws Exception {
Pipeline p = TestPipeline.create();
PCollection<String> input = p.apply(Create.of(WORDS).withCoder(StringUtf8Coder.of()));
PCollection<String> output = input.apply(new CountWords())
.apply(ParDo.of(new FormatAsTextFn()));
DataflowAssert.that(output).containsInAnyOrder(COUNTS_ARRAY);
p.run();
}
