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Posted to commits@beam.apache.org by ec...@apache.org on 2020/07/17 07:46:06 UTC
[beam] branch master updated: [BEAM-10471] Change assertion method
to improve expressiveness and increase error margin on non deterministic
size test to avoid flakiness
This is an automated email from the ASF dual-hosted git repository.
echauchot pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/beam.git
The following commit(s) were added to refs/heads/master by this push:
new 2003985 [BEAM-10471] Change assertion method to improve expressiveness and increase error margin on non deterministic size test to avoid flakiness
new bedae33 Merge pull request #12276 from echauchot/BEAM-10471-cassandraIO-size-flakiness
2003985 is described below
commit 20039857d808b4a94e7990e76b7092350d249a91
Author: Etienne Chauchot <ec...@apache.org>
AuthorDate: Thu Jul 16 12:18:31 2020 +0200
[BEAM-10471] Change assertion method to improve expressiveness and increase error margin on non deterministic size test to avoid flakiness
---
.../java/org/apache/beam/sdk/io/cassandra/CassandraIOTest.java | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/sdks/java/io/cassandra/src/test/java/org/apache/beam/sdk/io/cassandra/CassandraIOTest.java b/sdks/java/io/cassandra/src/test/java/org/apache/beam/sdk/io/cassandra/CassandraIOTest.java
index 0f91448..fda20e8 100644
--- a/sdks/java/io/cassandra/src/test/java/org/apache/beam/sdk/io/cassandra/CassandraIOTest.java
+++ b/sdks/java/io/cassandra/src/test/java/org/apache/beam/sdk/io/cassandra/CassandraIOTest.java
@@ -23,6 +23,7 @@ import static org.apache.beam.sdk.io.cassandra.CassandraIO.CassandraSource.getEs
import static org.apache.beam.sdk.io.cassandra.CassandraIO.CassandraSource.getRingFraction;
import static org.apache.beam.sdk.io.cassandra.CassandraIO.CassandraSource.isMurmur3Partitioner;
import static org.apache.beam.sdk.testing.SourceTestUtils.readFromSource;
+import static org.hamcrest.Matchers.closeTo;
import static org.hamcrest.Matchers.lessThan;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNull;
@@ -287,8 +288,12 @@ public class CassandraIOTest implements Serializable {
.withTable(CASSANDRA_TABLE);
CassandraIO.CassandraSource<Scientist> source = new CassandraIO.CassandraSource<>(read, null);
long estimatedSizeBytes = source.getEstimatedSizeBytes(pipelineOptions);
- // the size is non determanistic in Cassandra backend
- assertTrue((estimatedSizeBytes >= 12960L * 0.9f) && (estimatedSizeBytes <= 12960L * 1.1f));
+ // the size is non determanistic in Cassandra backend: checks that estimatedSizeBytes >= 12960L
+ // -20% && estimatedSizeBytes <= 12960L +20%
+ assertThat(
+ "wrong estimated size in " + CASSANDRA_KEYSPACE + "/" + CASSANDRA_TABLE,
+ (double) estimatedSizeBytes,
+ closeTo(12960.0D, 2592.0D));
}
@Test