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From "Myrna van Lunteren (JIRA)" <derby-...@db.apache.org>
Subject [jira] Created: (DERBY-658) test harness improvements required for running on non-ASCII systems
Date Fri, 28 Oct 2005 02:22:56 GMT
test harness improvements required for running on non-ASCII systems
-------------------------------------------------------------------

         Key: DERBY-658
         URL: http://issues.apache.org/jira/browse/DERBY-658
     Project: Derby
        Type: Bug
  Components: Test  
    Versions: 10.1.1.0    
 Environment: all but especially testing should be done on zOS
    Reporter: Myrna van Lunteren
 Assigned to: Myrna van Lunteren 
    Priority: Minor
     Fix For: 10.2.0.0


The current functionTests test harness needs adjustment for running on non-ASCII systems like
zOS.
Currently, when using derbyTesting.jar built for instance on a windows or linux system on
zOS the tests do not run, because the properties and runall files cannot be understood. 
Until now, testers on zOS had to unjar derbyTesting.jar, then run native2ascii -Cp 1047 -reverse
on all appropriate files (.sql, .txt, .out, .properties, .runall, .asc, .exclude, etc). 
This is a labor intensive and error prone process. Furthermore, it causes test failures such
as reported with DERBY-575, because tests may assume a certain file to be a specific length,
which no longer holds true after the native2ascii conversion.

The test harness should get modified to always read the files in the same encoding.

Note however, that the comparison of actual .out and the master should still result in files
readable on the local system, to enable a human to evaluate failures and results. At the same
time, this raises the concern that someone might check-in an update to the master with an
incorrect encoding.

To resolve the main issue, I propose the following:
-  Set the default encoding in the harness.
- for each test 
1)  determine if the test encoding is set. We can probably use ij.ui.codeset - otherwise a
new property is needed.
     Note that this means that .properties, .runall and .exclude  files are always read in
fixed/default encoding.
2) read the master/sql files in in the default/fixed encoding unless the encoding property
is set for a test
3) Write the output out in the local encoding (the way is done currently) unless the encoding
property is set (if set, write out in that encoding)
4) Change the code that creates tmpmstr to always apply instead of only for networkserver.
tmpmstr files will be created in the local encoding.
5) Have FileCompare  read tmpmstr in in the local encoding for the comparison.
6) either document that test development/adjustment need to be at least be verified on an
ascii system, or add another property that causes a copy of the actual output to be created
in the default/fixed encoding.


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