[js] Rewrite the test running script in Perl 5.

That should allow detecting the node version and skipping some tests that fail on travis.

src/vm/js/bin/run_tests.pl

@@ -0,0 +1,27 @@
+use TAP::Harness;
+
+my $harness = TAP::Harness->new({
+    exec => sub {
+        my ($harness, $test_file) = @_;
+        return ['./nqp-js', $test_file] if $test_file =~ /\.t$/;
+        return ['node', $test_file] if $test_file =~ /\.js$/;
+    }
+});
+my @regex = "gen/js/qregex.t";
+my @serialization = "t/serialization/02-types.t";
+my @qast = glob "t/qast/02*";
+my @js_specific = "t/js/getcomp-js.t";
+
+my @nqp_tests = glob "t/nqp/{01,02,03,04,05,06,07,08,09,10,11,12,13,14,15,16,17,18,19,20,21,22,23,25,26,27,28,31,32,33,34,35,36,37,38,39,40,41,42,44,45,46,47,48,50,51,53,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,83,84,88,89,90,91,92,93,94,95,96}*.t";
+
+my @runtime_unit_tests = qw(t/js/varint.js);
+
+my $node_version = `node -v`;
+
+# avoid failures on the old node.js travis version
+if ($node_version =~ /^0\.10/) {
+
+    @nqp_tests = grep {!/19|78/} @nqp_tests;
+}
+
+$harness->runtests(@runtime_unit_tests, @regex, @nqp_tests, @serialization, @qast, @js_specific);

tools/build/Makefile-JS.in

@@ -59,7 +59,7 @@ $(JS_STAGE2)/QRegex.moarvm: $(JS_STAGE1_COMPILER) $(JS_STAGE2)/$(QREGEX_COMBINED
 
 js-stage1-compiler : $(JS_STAGE1_COMPILER)
 js-test: js-all gen/js/qregex.t
-	src/vm/js/bin/run_tests
+	perl src/vm/js/bin/run_tests.pl
 gen/js/qregex.t: tools/build/process-qregex-tests
 	$(JS_NQP) tools/build/process-qregex-tests > gen/js/qregex.t
 

tools/build/gen-js-makefile.nqp

@@ -117,7 +117,7 @@ my $QRegex-moarvm := cross-compile(:stage(2), :source($QRegex-combined), :target
 deps('js-stage1-compiler', '$(JS_STAGE1_COMPILER)');
 
 say('js-test: js-all gen/js/qregex.t
-	src/vm/js/bin/run_tests');
+	perl src/vm/js/bin/run_tests.pl');
 
 say('gen/js/qregex.t: tools/build/process-qregex-tests
 	$(JS_NQP) tools/build/process-qregex-tests > gen/js/qregex.t');