yanghua commented on a change in pull request #6490: [FLINK-10056] [test] Add
JobMasterTest#testRequestNextInputSplit
URL: https://github.com/apache/flink/pull/6490#discussion_r207723699
##########
File path:
flink-runtime/src/test/java/org/apache/flink/runtime/executiongraph/ExecutionGraphTestUtils.java
##########
@@ -144,7 +146,48 @@ public static void waitUntilExecutionState(Execution
execution, ExecutionState s
}
if (System.nanoTime() >= deadline) {
- throw new TimeoutException();
+ throw new TimeoutException(
+ "The execution did not reach state " + state +
" in time. " +
+ "Current status is " + execution.getState() +
'.');
+ }
+ }
+
+ /**
+ * Waits until the Execution vertex has reached a certain state.
+ *
+ * <p>This method is based on polling and might miss very fast state
transitions!
+ */
+ public static void waitUntilExecutionVertexState(ExecutionVertex
executionVertex, ExecutionState state, long maxWaitMillis)
Review comment:
The 'timeout' I gave you in the example is also inappropriate. Here timeout
is an exception state, and the normal state you are waiting for is not actually
it. I know this method's logic, but I still think "until" should be followed
with a **state** or or **result** but not a noun. I think
`waitUntilExecutionVertexStateChanged` would be better, similar cases in Flink
source `ExecutionGraph#waitUntilTerminal`.
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