Only print disabled test banner if the test matches gtest_filter

Currently, the "[ DISABLED ]" banner is printed for every test in a suite.
When iterating on a single test gtest_filter this is very noisy.

PiperOrigin-RevId: 436489088
Change-Id: If337087a7a0986b073fabf2b0a55d26485eb5c37

googletest/src/gtest.cc

@@ -2821,7 +2821,7 @@ void UnitTestImpl::RegisterParameterizedTests() {
 void TestInfo::Run() {
   TestEventListener* repeater = UnitTest::GetInstance()->listeners().repeater();
   if (!should_run_) {
-    if (is_disabled_) repeater->OnTestDisabled(*this);
+    if (is_disabled_ && matches_filter_) repeater->OnTestDisabled(*this);
     return;
   }
 

googletest/test/googletest-filter-unittest.py

@@ -113,6 +113,9 @@ TEST_CASE_REGEX = re.compile(r'^\[\-+\] \d+ tests? from (\w+(/\w+)?)')
 # Regex for parsing test names from Google Test's output.
 TEST_REGEX = re.compile(r'^\[\s*RUN\s*\].*\.(\w+(/\w+)?)')
 
+# Regex for parsing disabled banner from Google Test's output
+DISABLED_BANNER_REGEX = re.compile(r'^\[\s*DISABLED\s*\] (.*)')
+
 # The command line flag to tell Google Test to output the list of tests it
 # will run.
 LIST_TESTS_FLAG = '--gtest_list_tests'
@@ -206,6 +209,17 @@ def RunAndExtractTestList(args = None):
   return (tests_run, p.exit_code)
 
 
+def RunAndExtractDisabledBannerList(args=None):
+  """Runs the test program and returns tests that printed a disabled banner."""
+  p = gtest_test_utils.Subprocess([COMMAND] + (args or []), env=environ)
+  banners_printed = []
+  for line in p.output.split('\n'):
+    match = DISABLED_BANNER_REGEX.match(line)
+    if match is not None:
+      banners_printed.append(match.group(1))
+  return banners_printed
+
+
 def InvokeWithModifiedEnv(extra_env, function, *args, **kwargs):
   """Runs the given function and arguments in a modified environment."""
   try:
@@ -613,6 +627,23 @@ class GTestFilterUnitTest(gtest_test_utils.TestCase):
       self.assert_(os.path.exists(shard_status_file))
       os.remove(shard_status_file)
 
+  def testDisabledBanner(self):
+    """Tests that the disabled banner prints only tests that match filter."""
+    make_filter = lambda s: ['--%s=%s' % (FILTER_FLAG, s)]
+
+    banners = RunAndExtractDisabledBannerList(make_filter('*'))
+    self.AssertSetEqual(banners, [
+        'BarTest.DISABLED_TestFour', 'BarTest.DISABLED_TestFive',
+        'BazTest.DISABLED_TestC'
+    ])
+
+    banners = RunAndExtractDisabledBannerList(make_filter('Bar*'))
+    self.AssertSetEqual(
+        banners, ['BarTest.DISABLED_TestFour', 'BarTest.DISABLED_TestFive'])
+
+    banners = RunAndExtractDisabledBannerList(make_filter('*-Bar*'))
+    self.AssertSetEqual(banners, ['BazTest.DISABLED_TestC'])
+
   if SUPPORTS_DEATH_TESTS:
     def testShardingWorksWithDeathTests(self):
       """Tests integration with death tests and sharding."""