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https://issues.apache.org/jira/browse/BEAM-5866?focusedWorklogId=159147&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-159147
]
ASF GitHub Bot logged work on BEAM-5866:
----------------------------------------
Author: ASF GitHub Bot
Created on: 26/Oct/18 11:43
Start Date: 26/Oct/18 11:43
Worklog Time Spent: 10m
Work Description: kanterov commented on a change in pull request #6845:
[BEAM-5866] Override structuralValue in Row and Map coders
URL: https://github.com/apache/beam/pull/6845#discussion_r228496688
##########
File path:
sdks/java/core/src/test/java/org/apache/beam/sdk/coders/CoderTestUtils.java
##########
@@ -0,0 +1,83 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.beam.sdk.coders;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assume.assumeTrue;
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+
+public class CoderTestUtils {
Review comment:
Just discovered there is `CoderProperties` with such functions, probably it
should go there
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Issue Time Tracking
-------------------
Worklog Id: (was: 159147)
Time Spent: 0.5h (was: 20m)
> RowCoder doesn't implement structuralValue
> ------------------------------------------
>
> Key: BEAM-5866
> URL: https://issues.apache.org/jira/browse/BEAM-5866
> Project: Beam
> Issue Type: Bug
> Components: sdk-java-core
> Reporter: Gleb Kanterov
> Assignee: Gleb Kanterov
> Priority: Major
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> These two properties fail for RowCoder with `BYTES` field, or `Map<BYTES, ?>`
> field.
> {code}
> public static <T> void testConsistentWithEquals(Coder<T> coder, T example) {
> assumeTrue(coder.consistentWithEquals());
> byte[] bytes = encodeBytes(coder, example);
> // even if the coder is non-deterministic, if the encoded bytes match,
> // coder is consistent with equals, decoded values must be equal
> T out0 = decodeBytes(coder, bytes);
> T out1 = decodeBytes(coder, bytes);
> assertEquals("If the encoded bytes match, decoded values must be equal",
> out0, out1);
> assertEquals(
> "If two values are equal, their hash codes must be equal",
> out0.hashCode(),
> out1.hashCode());
> }
> public static <T> void testStructuralValueConsistentWithEquals(Coder<T>
> coder, T example) {
> byte[] bytes = encodeBytes(coder, example);
> // even if coder is non-deterministic, if the encoded bytes match,
> // structural values must be equal
> Object out0 = coder.structuralValue(decodeBytes(coder, bytes));
> Object out1 = coder.structuralValue(decodeBytes(coder, bytes));
> assertEquals("If the encoded bytes match, structural values must be
> equal", out0, out1);
> assertEquals(
> "If two values are equal, their hash codes must be equal",
> out0.hashCode(),
> out1.hashCode());
> }
> {code}
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