[jira] [Created] (TINKERPOP-1041) StructureStandardTestSuite has file I/O issues on Windows

["Martin Häusler (JIRA)" <ji...@apache.org>]

Martin Häusler created TINKERPOP-1041:
-----------------------------------------

             Summary: StructureStandardTestSuite has file I/O issues on Windows
                 Key: TINKERPOP-1041
                 URL: https://issues.apache.org/jira/browse/TINKERPOP-1041
             Project: TinkerPop
          Issue Type: Bug
          Components: test-suite
    Affects Versions: 3.0.2-incubating
         Environment: Windows 10, Java 8, TinkerPop version "3.0.2-incubating"
            Reporter: Martin Häusler


Most of the tests in StructureStandardTestSuite/IoGraphTest cause an unexpected java.io.IOException. The stack trace looks like this:

{panel:title=Stack Trace}
java.io.IOException: The the file name, directory name or volume label syntax is incorrect.
	at java.io.WinNTFileSystem.createFileExclusively(Native Method)
	at java.io.File.createTempFile(Unknown Source)
	at org.apache.tinkerpop.gremlin.TestHelper.generateTempFile(TestHelper.java:74)
	at org.apache.tinkerpop.gremlin.structure.io.IoGraphTest.shouldReadWriteModernToFileWithHelpers(IoGraphTest.java:164)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
{panel}

I'm running the test suite from Eclipse under Java 8, on a Windows 10 x64 machine. The dependencies in my project are managed with gradle. Investigating the offinsive line (org.apache.tinkerpop.gremlin.TestHelper.java@74) in the debugger reveals the following parameters of "File.createTempFile(...)":

{noformat}
fileName = "shouldReadWriteModernToFileWithHelpers[graphml]"
fileNameSuffix = ".xml"
path = "file:\D:\guh\caches\modules-2\files-2.1\org.apache.tinkerpop\gremlin-test\3.0.2-incubating\345ec87b74923b76374111f2e4040d4d105f256\temp"
{noformat}

The offensive part is the "path" variable, because it contains the prefix "file:\". I tried the same thing in a dedicated JUnit test without the prefix and it works fine.

I would be very happy to see this issue fixed, as this considerably reduces the amount of tests in the suite that I can run against my graph implementation.



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