Allow timezones to be explicitly set for testing.

The TZ environment variable was not reliably pushed down to the test processes.

Instead pass TZ via a command line parameter and set explicitly in the test process.

.travis.yml

@@ -21,8 +21,7 @@ matrix:
     - env: PGB_CI="test --vm=co7 --param=module=mock --param=module=real"
     - dist: bionic
       env:
-        - PGB_CI="test --vm=none"
-        - TZ="America/New_York"
+        - PGB_CI="test --vm=none --param=tz=America/New_York"
       services:
     - env: PGB_CI=" doc --vm=co6"
     - env: PGB_CI=" doc --vm=co7"

test/lib/pgBackRestTest/Common/JobTest.pm

@@ -76,6 +76,7 @@ sub new
         $self->{bBackTrace},
         $self->{bProfile},
         $self->{iScale},
+        $self->{strTimeZone},
         $self->{bDebug},
         $self->{bDebugTestTrace},
         $self->{iBuildMax},
@@ -107,6 +108,7 @@ sub new
             {name => 'bBackTrace'},
             {name => 'bProfile'},
             {name => 'iScale'},
+            {name => 'strTimeZone', required => false},
             {name => 'bDebug'},
             {name => 'bDebugTestTrace'},
             {name => 'iBuildMax'},
@@ -278,6 +280,7 @@ sub run
                 (defined($self->{oTest}->{&TEST_DB}) ? ' --pg-version=' . $self->{oTest}->{&TEST_DB} : '') .
                 ($self->{strLogLevel} ne lc(INFO) ? " --log-level=$self->{strLogLevel}" : '') .
                 ' --pgsql-bin=' . $self->{oTest}->{&TEST_PGSQL_BIN} .
+                ($self->{strTimeZone} ? " --tz='$self->{strTimeZone}'" : '') .
                 ($self->{bLogForce} ? ' --log-force' : '') .
                 ($self->{bDryRun} ? ' --dry-run' : '') .
                 ($self->{bDryRun} ? ' --vm-out' : '') .
@@ -394,6 +397,16 @@ sub run
                 $strTestC =~ s/\{\[C\_TEST\_REPO_PATH\]\}/$self->{strBackRestBase}/g;
                 $strTestC =~ s/\{\[C\_TEST\_SCALE\]\}/$self->{iScale}/g;
 
+                # Set timezone
+                if (defined($self->{strTimeZone}))
+                {
+                    $strTestC =~ s/\{\[C\_TEST\_TZ\]\}/setenv\("TZ", "$self->{strTimeZone}", true\);/g;
+                }
+                else
+                {
+                    $strTestC =~ s/\{\[C\_TEST\_TZ\]\}/\/\/ No timezone specified/g;
+                }
+
                 # Set default log level
                 my $strLogLevelTestC = "logLevel" . ucfirst($self->{strLogLevelTest});
                 $strTestC =~ s/\{\[C\_LOG\_LEVEL\_TEST\]\}/$strLogLevelTestC/g;

test/src/test.c

@@ -73,6 +73,9 @@ main(int argListSize, const char *argList[])
     // Set neutral umask for testing
     umask(0000);
 
+    // Set timezone if specified
+    {[C_TEST_TZ]}
+
     // Ignore SIGPIPE and check for EPIPE errors on write() instead
     signal(SIGPIPE, SIG_IGN);
 

test/test.pl

@@ -97,6 +97,7 @@ test.pl [options]
    --profile            generate profile info
    --no-debug           don't generate a debug build
    --scale              scale performance tests
+   --tz                 test with the specified timezone
    --debug-test-trace   test stack trace for low-level functions (slow, esp w/valgrind, may cause timeouts)
 
  Report Options:
@@ -169,6 +170,7 @@ my $bNoDebug = false;
 my $iScale = 1;
 my $bDebugTestTrace = false;
 my $iRetry = 0;
+my $strTimeZone = undef;
 
 my @cmdOptions = @ARGV;
 
@@ -215,6 +217,7 @@ GetOptions ('q|quiet' => \$bQuiet,
             'no-optimize' => \$bNoOptimize,
             'no-debug', => \$bNoDebug,
             'scale=s' => \$iScale,
+            'tz=s', => \$strTimeZone,
             'debug-test-trace', => \$bDebugTestTrace,
             'retry=s' => \$iRetry)
     or pod2usage(2);
@@ -1322,7 +1325,8 @@ eval
                         $oStorageTest, $strBackRestBase, $strTestPath, $$oyTestRun[$iTestIdx], $bDryRun, $strVmHost, $bVmOut,
                         $iVmIdx, $iVmMax, $iTestIdx, $iTestMax, $strLogLevel, $strLogLevelTest, $bLogForce, $bShowOutputAsync,
                         $bNoCleanup, $iRetry, !$bNoValgrind, !$bNoCoverage, $bCoverageSummary, !$bNoOptimize, $bBackTrace,
-                        $bProfile, $iScale, !$bNoDebug, $bDebugTestTrace, $iBuildMax / $iVmMax < 1 ? 1 : int($iBuildMax / $iVmMax));
+                        $bProfile, $iScale, $strTimeZone, !$bNoDebug, $bDebugTestTrace,
+                        $iBuildMax / $iVmMax < 1 ? 1 : int($iBuildMax / $iVmMax));
                     $iTestIdx++;
 
                     if ($oJob->run())
@@ -1514,6 +1518,12 @@ eval
     # Create host group for containers
     my $oHostGroup = hostGroupGet();
 
+    # Set timezone
+    if (defined($strTimeZone))
+    {
+        $ENV{TZ} = $strTimeZone;
+    }
+
     # Run the test
     testRun($stryModule[0], $stryModuleTest[0])->process(
         $strVm, $iVmId,                                             # Vm info