3 files changed, 59 insertions, 2 deletions
diff --git a/unittest/mytap/tap.c b/unittest/mytap/tap.c
index a99da3fd975..f9396adbd69 100644
--- a/unittest/mytap/tap.c
+++ b/unittest/mytap/tap.c
@@ -166,9 +166,15 @@ static signal_entry install_signal[]= {
 #endif
 };
 
+int skip_big_tests= 0;
+
 void
 plan(int const count)
 {
+  char *config= getenv("MYTAP_CONFIG");
+
+  if (config)
+    skip_big_tests= strcmp(config, "big");
 
   setvbuf(tapout, 0, _IONBF, 0);  /* provide output at once */
   /*
diff --git a/unittest/mytap/tap.h b/unittest/mytap/tap.h
index 31ec47d1ef2..f92fad1101f 100644
--- a/unittest/mytap/tap.h
+++ b/unittest/mytap/tap.h
@@ -62,6 +62,24 @@ extern "C" {
 #endif
 
 /**
+   Defines whether "big" tests should be skipped.
+
+   This variable is set by plan() function unless MYTAP_CONFIG environment
+   variable is set to the string "big".  It is supposed to be used as
+
+   @code
+   if (skip_big_tests) {
+     skip(1, "Big test skipped");
+   } else {
+     ok(life_universe_and_everything() == 42, "The answer is CORRECT");
+   }
+   @endcode
+
+   @see SKIP_BIG_TESTS
+*/
+extern int skip_big_tests;
+
+/**
   @defgroup MyTAP_API MyTAP API
 
   MySQL support for performing unit tests according to TAP.
@@ -81,7 +99,12 @@ extern "C" {
    that generate a core, so if you want to override these signals, do
    it <em>after</em> you have called the plan() function.
 
-   @param count The planned number of tests to run. 
+   It will also set skip_big_tests variable if MYTAP_CONFIG environment
+   variable is defined.
+
+   @see skip_big_tests
+
+   @param count The planned number of tests to run.
 */
 
 void plan(int count);
@@ -161,6 +184,24 @@ void skip(int how_many, char const *reason, ...)
 
 
 /**
+   Helper macro to skip a group of "big" tests. It is used in the following
+   manner:
+
+   @code
+   SKIP_BIG_TESTS(1)
+   {
+     ok(life_universe_and_everything() == 42, "The answer is CORRECT");
+   }
+   @endcode
+
+   @see skip_big_tests
+ */
+
+#define SKIP_BIG_TESTS(COUNT) \
+  if (skip_big_tests) skip((COUNT), "big test"); else
+
+
+/**
    Print a diagnostics message.
 
    @param fmt  Diagnostics message in printf() format.
diff --git a/unittest/unit.pl b/unittest/unit.pl
index 9d328985012..b83132581f9 100644
--- a/unittest/unit.pl
+++ b/unittest/unit.pl
@@ -14,8 +14,9 @@
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 
-use Test::Harness qw(&runtests $verbose);
+use Test::Harness;
 use File::Find;
+use Getopt::Long;
 
 use strict;
 
@@ -35,6 +36,15 @@ unit - Run unit tests in directory
 
 =cut
 
+my $big=1;
+
+my $result = GetOptions (
+  "big!"        => \$big,
+  "verbose!"    => \$Test::Harness::verbose,
+);
+
+$ENV{'MYTAP_CONFIG'} = $big ? "big" : "";
+
 my $cmd = shift;
 
 if (defined $cmd && exists $dispatch{$cmd}) {