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Item7522: Unit tests: !ConfigureTests::test_parseSave fails under Perl 5.18

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Extension UnitTests Low No Action Required   n/a  

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With Perl 5.16 and 5.18, running !ConfigureTests fails with the following message:

Expected:'$TWiki::cfg{OptionalRegex} = qr/(?^:^X*$)/;'
 But got:'$TWiki::cfg{OptionalRegex} = '^X*$';'

This is related to the fix for Item7067 / TWiki:Support.SID-01595 which sorta "works" up to Perl 5.14 in the tests. But apparently the same kludge to "override" the expected value is also required in Perl 5.16 and 5.18. Was 5.14 so special? Unfortunately I have no machine with 5.14 at hand. I guess the version check could be omitted (works for 5.18, and allegedly for versions less than 5.14):

Index: ../../../UnitTestContrib/test/unit/ConfigureTests.pm
--- ../../../UnitTestContrib/test/unit/ConfigureTests.pm   (revision 27670)
+++ ../../../UnitTestContrib/test/unit/ConfigureTests.pm   (working copy)
@@ -71,7 +71,7 @@
     $cfg{Types}{Chosen} = 'TWiki::Configure::Types::STRING';
     $cfg{OptionalRegex} = qr/^X*$/;
-    my $aRegex = "qr/$cfg{OptionalRegex}/";
-    $aRegex = '\'^X*$\'' if( $^V lt v5.14.0 );
+    my $aRegex = '\'^X*$\'';
     $cfg{DontIgnore} = 'now is';
     $saver->{content} = '';
     $out = $saver->_save();

I am not too happy with the implementation of REGEX values in configure (the code has a SMELL attached to it), because of the conversion between string values and Perl variables and back. The quirks in the test case confirm these doubts. Just recently we fell over a similar design problem with OCTAL. But sanitizing configure is not a task for today.

-- TWiki:Main/HaraldJoerg - 2014-06-22

Ooops... I forgot that I wrote a separate Bug item when committing to Item7535. So I am closing this one as a duplicate. Sorry for the noise.

-- TWiki:Main.HaraldJoerg - 2014-07-18

Summary Unit tests: !ConfigureTests::test_parseSave fails under Perl 5.18
ReportedBy TWiki:Main.HaraldJoerg
Codebase ~twiki4
SVN Range TWiki-6.0.1-trunk, Sun, 15 Jun 2014, build 27651
AppliesTo Extension
Component UnitTests
Priority Low
CurrentState No Action Required


TargetRelease n/a

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Topic revision: r2 - 2014-07-18 - HaraldJoerg
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