Item14152: Merge commit '5fcac85155551731f8a04fdd8c667cb93d558497' in…

…to Item14152

* commit '5fcac85155551731f8a04fdd8c667cb93d558497':
  Item13897: OopsException backward compatibility and bug fixes.
  Item13897: Fixed Foswiki::Class incompatibility with perl 5.20 and lower.
  Item13897: Fixed feature :5.14 not been applied sometimes.
  Item13897: Merge of Foswiki::Exception.pm from Item14152
  Item13897: Fixed a problem with @argv being emptied.
  Item14150:  Recompute validation keys on cached pages

UnitTestContrib/lib/Unit/TestApp.pm

@@ -113,7 +113,7 @@ sub registerCallbacks {
     $this->_cbRegistered(1);
 }
 
-before _prepareConfig => sub {
+before BUILD => sub {
     my $this = shift;
 
     $this->registerCallbacks;

UnitTestContrib/test/unit/FoswikiFnTestCase.pm

@@ -31,8 +31,7 @@ use Foswiki::UI::Register();
 use Try::Tiny;
 use Carp qw(cluck);
 
-use Moo;
-use namespace::clean;
+use Foswiki::Class;
 extends qw(FoswikiTestCase);
 
 has test_user_forename => ( is => 'rw', );

UnitTestContrib/test/unit/ManageDotPmTests.pm

@@ -225,7 +225,7 @@ sub _registerUserException {
             },
         },
     );
-    $this->app->net->setMailHandler( \&FoswikiFnTestCase::sentMail );
+    $this->app->net->setMailHandler( $this->can('sentMail') );
     my $exception;
     try {
         $this->captureWithKey(
@@ -252,7 +252,7 @@ sub _registerUserException {
 
     # Reload caches
     $this->createNewFoswikiApp;
-    $this->app->net->setMailHandler( \&FoswikiFnTestCase::sentMail );
+    $this->app->net->setMailHandler( $this->can('sentMail') );
 
     return $exception;
 }
@@ -814,7 +814,7 @@ sub verify_resetEmailOkay {
         callbacks => { handleRequestException => \&_cbHRE, },
     );
 
-    $this->app->net->setMailHandler( \&FoswikiFnTestCase::sentMail );
+    $this->app->net->setMailHandler( $this->can('sentMail') );
     try {
         $this->captureWithKey(
             manage => sub {
@@ -923,7 +923,7 @@ EOM
         callbacks => { handleRequestException => \&_cbHRE, },
     );
 
-    $this->app->net->setMailHandler( \&FoswikiFnTestCase::sentMail );
+    $this->app->net->setMailHandler( $this->can('sentMail') );
 
     # SMELL We've set path_info, web and topic must be set from it.
     #$req->topic($regTopic);
@@ -1071,7 +1071,7 @@ EOM
         callbacks => { handleRequestException => \&_cbHRE, },
     );
 
-    $this->app->net->setMailHandler( \&FoswikiFnTestCase::sentMail );
+    $this->app->net->setMailHandler( $this->can('sentMail') );
 
     try {
         my ($text) = $this->captureWithKey(
@@ -1133,7 +1133,7 @@ sub verify_deleteUser {
         callbacks => { handleRequestException => \&_cbHRE, },
     );
 
-    $this->app->net->setMailHandler( \&FoswikiFnTestCase::sentMail );
+    $this->app->net->setMailHandler( $this->can('sentMail') );
 
     try {
         $this->captureWithKey(
@@ -1454,7 +1454,7 @@ sub test_createDefaultWeb {
         callbacks => { handleRequestException => \&_cbHRE, },
     );
 
-    $this->app->net->setMailHandler( \&FoswikiFnTestCase::sentMail );
+    $this->app->net->setMailHandler( $this->can('sentMail') );
 
     try {
         my ( $stdout, $stderr, $result ) =
@@ -1837,7 +1837,7 @@ sub test_createEmptyWeb {
         callbacks => { handleRequestException => \&_cbHRE, },
     );
 
-    $this->app->net->setMailHandler( \&FoswikiFnTestCase::sentMail );
+    $this->app->net->setMailHandler( $this->can('sentMail') );
 
     try {
         my ( $stdout, $stderr, $result ) =