sijie closed pull request #2413: [functions][integration tests] Ensure function
subscription exists before integration tests start producing messages
URL: https://github.com/apache/incubator-pulsar/pull/2413
This is a PR merged from a forked repository.
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diff --git
a/tests/integration/src/test/java/org/apache/pulsar/tests/integration/functions/PulsarFunctionsTest.java
b/tests/integration/src/test/java/org/apache/pulsar/tests/integration/functions/PulsarFunctionsTest.java
index 57a6ba4dca..67136a6ae1 100644
---
a/tests/integration/src/test/java/org/apache/pulsar/tests/integration/functions/PulsarFunctionsTest.java
+++
b/tests/integration/src/test/java/org/apache/pulsar/tests/integration/functions/PulsarFunctionsTest.java
@@ -542,6 +542,19 @@ private static void submitExclamationFunction(Runtime
runtime,
ContainerExecResult result = pulsarCluster.getAnyWorker().execCmd(
commands);
assertTrue(result.getStdout().contains("\"Created successfully\""));
+
+
+ // ensure the function subscription exists before we start producing
messages
+ try (PulsarClient client = PulsarClient.builder()
+ .serviceUrl(pulsarCluster.getPlainTextServiceUrl())
+ .build()) {
+ try (Consumer<String> ignored = client.newConsumer(Schema.STRING)
+ .topic(inputTopicName)
+ .subscriptionType(SubscriptionType.Shared)
+ .subscriptionName(String.format("public/default/%s",
functionName))
+ .subscribe()) {
+ }
+ }
}
private static void getFunctionInfoSuccess(String functionName) throws
Exception {
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