[test] Enable test status filtering by variant

tools/run-tests.py

 #!/usr/bin/env python
 #
 # Copyright 2012 the V8 project authors. All rights reserved.
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 #       notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
@@ skipping 253 matching lines @@
                     help="Prepended to each shell command used to run a test",
                     default="")
   result.add_option("--download-data", help="Download missing test suite data",
                     default=False, action="store_true")
   result.add_option("--download-data-only",
                     help="Download missing test suite data and exit",
                     default=False, action="store_true")
   result.add_option("--extra-flags",
                     help="Additional flags to pass to each test command",
                     default="")
+  # TODO(machenbach): Remove this flag when not reference by infrastructure.
   result.add_option("--ignition-turbofan",
-                    help="Skip tests which don't run in ignition_turbofan",
+                    help="Deprecated",
                     default=False, action="store_true")
   result.add_option("--isolates", help="Whether to test isolates",
                     default=False, action="store_true")
   result.add_option("-j", help="The number of parallel tasks to run",
                     default=0, type="int")
   result.add_option("-m", "--mode",
                     help="The test modes in which to run (comma-separated,"
                     " uppercase for ninja and buildbot builds): %s" % MODES.keys(),
                     default="release,debug")
   result.add_option("--no-harness", "--noharness",
@@ skipping 486 matching lines @@
       arch in ['arm64', 'arm', 'mipsel', 'mips', 'mips64', 'mips64el', \
                'ppc', 'ppc64'] and \
       ARCH_GUESS and arch != ARCH_GUESS
   # Find available test suites and read test cases from them.
   variables = {
     "arch": arch,
     "asan": options.asan,
     "deopt_fuzzer": False,
     "gc_stress": options.gc_stress,
     "gcov_coverage": options.gcov_coverage,
-    "ignition_turbofan": options.ignition_turbofan,
     "isolates": options.isolates,
     "mode": MODES[mode]["status_mode"],
     "no_i18n": options.no_i18n,
     "no_snap": options.no_snap,
     "simulator_run": simulator_run,
     "simulator": utils.UseSimulator(arch),
     "system": utils.GuessOS(),
     "tsan": options.tsan,
     "msan": options.msan,
     "dcheck_always_on": options.dcheck_always_on,
     "novfp3": options.novfp3,
     "predictable": options.predictable,
     "byteorder": sys.byteorder,
   }
   all_tests = []
   num_tests = 0
   for s in suites:
     s.ReadStatusFile(variables)
     s.ReadTestCases(ctx)
     if len(args) > 0:
       s.FilterTestCasesByArgs(args)
     all_tests += s.tests
+
+    # First filtering by status applying the generic rules (independent of
+    # variants).
     s.FilterTestCasesByStatus(options.warn_unused, options.slow_tests,
                               options.pass_fail_tests)
+
     if options.cat:
       verbose.PrintTestSource(s.tests)
       continue
     variant_gen = s.CreateVariantGenerator(VARIANTS)
     variant_tests = [ t.CopyAddingFlags(v, flags)
                       for t in s.tests
                       for v in variant_gen.FilterVariantsByTest(t)
                       for flags in variant_gen.GetFlagSets(t, v) ]
 
     if options.random_seed_stress_count > 1:
       # Duplicate test for random seed stress mode.
       def iter_seed_flags():
         for i in range(0, options.random_seed_stress_count):
           # Use given random seed for all runs (set by default in execution.py)
           # or a new random seed if none is specified.
           if options.random_seed:
             yield []
           else:
             yield ["--random-seed=%d" % RandomSeed()]
       s.tests = [
         t.CopyAddingFlags(t.variant, flags)
         for t in variant_tests
         for flags in iter_seed_flags()
       ]
     else:
       s.tests = variant_tests
 
+    # Second filtering by status applying the rules for virtual test cases
+    # (i.e. contrieved test paths containing the variant name and the test

[Jakob Kummerow, 2016/08/02 14:13:09]

nit: s/contrieved/contrived/

+    # name).
+    s.FilterTestCasesByStatus(options.warn_unused, options.slow_tests,
+                              options.pass_fail_tests, virtual=True)
+
     s.tests = ShardTests(s.tests, options)
     num_tests += len(s.tests)
 
   if options.cat:
     return 0  # We're done here.
 
   if options.report:
     verbose.PrintReport(all_tests)
 
   # Run the tests, either locally or distributed on the network.
@@ skipping 58 matching lines @@
         "--coverage-dir=%s" % options.sancov_dir])
     except:
       print >> sys.stderr, "Error: Merging sancov files failed."
       exit_code = 1
 
   return exit_code
 
 
 if __name__ == "__main__":
   sys.exit(Main())