Attila Doroszlai created HADOOP-18714:
-----------------------------------------
Summary: Wrong StringUtils.join() called in
AbstractContractRootDirectoryTest
Key: HADOOP-18714
URL: https://issues.apache.org/jira/browse/HADOOP-18714
Project: Hadoop Common
Issue Type: Bug
Components: test
Reporter: Attila Doroszlai
Assignee: Attila Doroszlai
In the following call to {{StringUtils.join()}}, {{"\n"}} is treated as an
element, not as a separator:
{code:title=https://github.com/apache/hadoop/blob/964c1902c8054dfe13c787222a12fb0daf1aaab9/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/contract/AbstractContractRootDirectoryTest.java#L199-L201}
assertEquals("listStatus on empty root-directory returned found: "
+ join("\n", rootListStatus),
0, rootListStatus.length);
{code}
Expected output:
{code}
[ERROR] Tests run: 9, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 1.711 s
<<< FAILURE! - in
org.apache.hadoop.fs.contract.hdfs.TestHDFSContractRootDirectory
[ERROR]
testListEmptyRootDirectory(org.apache.hadoop.fs.contract.hdfs.TestHDFSContractRootDirectory)
Time elapsed: 0.011 s <<< FAILURE!
java.lang.AssertionError: listStatus on empty root-directory returned found:
HdfsLocatedFileStatus{path=hdfs://localhost:37225/test; isDirectory=true; ...}
expected:<0> but was:<1>
at org.junit.Assert.fail(Assert.java:89)
at org.junit.Assert.failNotEquals(Assert.java:835)
at org.junit.Assert.assertEquals(Assert.java:647)
at
org.apache.hadoop.fs.contract.AbstractContractRootDirectoryTest.testListEmptyRootDirectory(AbstractContractRootDirectoryTest.java:199)
{code}
Actual output:
{code}
[ERROR] Tests run: 9, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 1.708 s
<<< FAILURE! - in
org.apache.hadoop.fs.contract.hdfs.TestHDFSContractRootDirectory
[ERROR]
testListEmptyRootDirectory(org.apache.hadoop.fs.contract.hdfs.TestHDFSContractRootDirectory)
Time elapsed: 0.011 s <<< FAILURE!
java.lang.AssertionError:
listStatus on empty root-directory returned found:
[Lorg.apache.hadoop.fs.FileStatus;@73344c46 expected:<0> but was:<1>
at org.junit.Assert.fail(Assert.java:89)
at org.junit.Assert.failNotEquals(Assert.java:835)
at org.junit.Assert.assertEquals(Assert.java:647)
at
org.apache.hadoop.fs.contract.AbstractContractRootDirectoryTest.testListEmptyRootDirectory(AbstractContractRootDirectoryTest.java:199)
{code}
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