ihji commented on code in PR #22004:
URL: https://github.com/apache/beam/pull/22004#discussion_r906359505
##########
runners/core-construction-java/src/test/java/org/apache/beam/runners/core/construction/ValidateRunnerXlangTest.java:
##########
@@ -221,6 +221,17 @@ protected void pythonDependenciesTest(Pipeline pipeline) {
.apply(External.of(TEST_PYTHON_BS4_URN, new byte[] {},
expansionAddr));
PAssert.that(col).containsInAnyOrder("The Dormouse's story");
}
+
+ protected void combineMultipleTransformTest(Pipeline pipeline) throws
IOException {
+ PCollection<String> col =
+ pipeline
+ .apply(Create.of(1L, 2L, 3L))
+ .apply(
+ External.of(
+ External.of("map_to_union_types", new byte[] {},
expansionAddr),
Review Comment:
This test will never succeed without the ability to merge consecutive
external transforms since `map_to_union_types` return a union of int, string
and float types.
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