scwhittle commented on code in PR #31206:
URL: https://github.com/apache/beam/pull/31206#discussion_r1603146632
##########
sdks/java/io/google-cloud-platform/src/test/java/org/apache/beam/sdk/io/gcp/pubsub/PubsubIOTest.java:
##########
@@ -780,6 +780,50 @@ public void testReadMessagesWithCoderAndParseFn() {
pipeline.run();
}
+ static class AppendSuffixAttributeToStringPayloadParseFn
+ extends SimpleFunction<PubsubMessage, String> {
+ @Override
+ public String apply(PubsubMessage input) {
+ String payload = new String(input.getPayload(), StandardCharsets.UTF_8);
+ String suffixAttribute = input.getAttributeMap().get("suffix");
+ return payload + suffixAttribute;
+ }
+ }
+
+ private IncomingMessage messageWithSuffixAttribute(String payload, String
suffix) {
+ return IncomingMessage.of(
+ com.google.pubsub.v1.PubsubMessage.newBuilder()
+ .setData(ByteString.copyFromUtf8(payload))
+ .putAttributes("suffix", suffix)
+ .build(),
+ 1234L,
+ 0,
+ UUID.randomUUID().toString(),
+ UUID.randomUUID().toString());
+ }
+
+ @Test
+ public void testReadMessagesWithAttributesWithCoderAndParseFn() {
+ ImmutableList<IncomingMessage> inputs =
+ ImmutableList.of(
+ messageWithSuffixAttribute("foo", "-some-suffix"),
+ messageWithSuffixAttribute("bar", "-some-suffix"));
Review Comment:
might as well have a different suffix to better verify plumbing
##########
sdks/java/io/google-cloud-platform/src/main/java/org/apache/beam/sdk/io/gcp/pubsub/PubsubIO.java:
##########
@@ -668,7 +668,7 @@ public static <T> Read<T> readAvros(Class<T> clazz) {
*/
public static <T> Read<T> readMessagesWithCoderAndParseFn(
Coder<T> coder, SimpleFunction<PubsubMessage, T> parseFn) {
- return Read.newBuilder(parseFn).setCoder(coder).build();
+ return
Read.newBuilder(parseFn).setCoder(coder).setNeedsAttributes(true).build();
Review Comment:
Sounds good :)
##########
sdks/java/io/google-cloud-platform/src/test/java/org/apache/beam/sdk/io/gcp/pubsub/PubsubIOTest.java:
##########
@@ -780,6 +780,50 @@ public void testReadMessagesWithCoderAndParseFn() {
pipeline.run();
}
+ static class AppendSuffixAttributeToStringPayloadParseFn
+ extends SimpleFunction<PubsubMessage, String> {
+ @Override
+ public String apply(PubsubMessage input) {
+ String payload = new String(input.getPayload(), StandardCharsets.UTF_8);
+ String suffixAttribute = input.getAttributeMap().get("suffix");
+ return payload + suffixAttribute;
+ }
+ }
+
+ private IncomingMessage messageWithSuffixAttribute(String payload, String
suffix) {
+ return IncomingMessage.of(
+ com.google.pubsub.v1.PubsubMessage.newBuilder()
+ .setData(ByteString.copyFromUtf8(payload))
+ .putAttributes("suffix", suffix)
+ .build(),
+ 1234L,
+ 0,
+ UUID.randomUUID().toString(),
+ UUID.randomUUID().toString());
+ }
+
+ @Test
+ public void testReadMessagesWithAttributesWithCoderAndParseFn() {
+ ImmutableList<IncomingMessage> inputs =
+ ImmutableList.of(
+ messageWithSuffixAttribute("foo", "-some-suffix"),
+ messageWithSuffixAttribute("bar", "-some-suffix"));
+ clientFactory = PubsubTestClient.createFactoryForPull(CLOCK, SUBSCRIPTION,
60, inputs);
+
+ PCollection<String> read =
+ pipeline.apply(
+ PubsubIO.readMessagesWithAttributesWithCoderAndParseFn(
+ StringUtf8Coder.of(), new
AppendSuffixAttributeToStringPayloadParseFn())
+ .withIdAttribute("suffix")
Review Comment:
How about removing this? It doesn't seem relevant to the test.
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