Makes --gtest_list_tests honor the test filter (by Jay Campan).

include/gtest/gtest.h

@@ -376,7 +376,12 @@ class TestInfo {
   // Returns the test comment.
   const char* comment() const;
 
-  // Returns true if this test should run.
+  // Returns true if this test matches the user-specified filter.
+  bool matches_filter() const;
+
+  // Returns true if this test should run, that is if the test is not disabled
+  // (or it is disabled but the also_run_disabled_tests flag has been specified)
+  // and its full name matches the user-specified filter.
   //
   // Google Test allows the user to filter the tests by their full names.
   // The full name of a test Bar in test case Foo is defined as

src/gtest-internal-inl.h

@@ -621,6 +621,12 @@ class TestInfoImpl {
   // Sets the is_disabled member.
   void set_is_disabled(bool is) { is_disabled_ = is; }
 
+  // Returns true if this test matches the filter specified by the user.
+  bool matches_filter() const { return matches_filter_; }
+
+  // Sets the matches_filter member.
+  void set_matches_filter(bool matches) { matches_filter_ = matches; }
+
   // Returns the test case name.
   const char* test_case_name() const { return test_case_name_.c_str(); }
 
@@ -667,6 +673,8 @@ class TestInfoImpl {
   const TypeId fixture_class_id_;   // ID of the test fixture class
   bool should_run_;                 // True iff this test should run
   bool is_disabled_;                // True iff this test is disabled
+  bool matches_filter_;             // True if this test matches the
+                                    // user-specified filter.
   internal::TestFactoryBase* const factory_;  // The factory that creates
                                               // the test object
 
@@ -1164,8 +1172,8 @@ class UnitTestImpl {
   // Returns the number of tests that should run.
   int FilterTests(ReactionToSharding shard_tests);
 
-  // Lists all the tests by name.
-  void ListAllTests();
+  // Prints the names of the tests matching the user-specified filter flag.
+  void ListTestsMatchingFilter();
 
   const TestCase* current_test_case() const { return current_test_case_; }
   TestInfo* current_test_info() { return current_test_info_; }

src/gtest.cc

@@ -2172,6 +2172,9 @@ const char* TestInfo::comment() const {
 // Returns true if this test should run.
 bool TestInfo::should_run() const { return impl_->should_run(); }
 
+// Returns true if this test matches the user-specified filter.
+bool TestInfo::matches_filter() const { return impl_->matches_filter(); }
+
 // Returns the result of the test.
 const internal::TestResult* TestInfo::result() const { return impl_->result(); }
 
@@ -3297,8 +3300,8 @@ void UnitTest::AddTestPartResult(TestPartResultType result_type,
       ReportTestPartResult(result);
 
   if (result_type != TPRT_SUCCESS) {
-    // gunit_break_on_failure takes precedence over
-    // gunit_throw_on_failure.  This allows a user to set the latter
+    // gtest_break_on_failure takes precedence over
+    // gtest_throw_on_failure.  This allows a user to set the latter
     // in the code (perhaps in order to use Google Test assertions
     // with another testing framework) and specify the former on the
     // command line for debugging.
@@ -3591,13 +3594,6 @@ int UnitTestImpl::RunAllTests() {
   // protocol.
   internal::WriteToShardStatusFileIfNeeded();
 
-  // Lists all the tests and exits if the --gtest_list_tests
-  // flag was specified.
-  if (GTEST_FLAG(list_tests)) {
-    ListAllTests();
-    return 0;
-  }
-
   // True iff we are in a subprocess for running a thread-safe-style
   // death test.
   bool in_subprocess_for_death_test = false;
@@ -3618,6 +3614,13 @@ int UnitTestImpl::RunAllTests() {
                                               ? HONOR_SHARDING_PROTOCOL
                                               : IGNORE_SHARDING_PROTOCOL) > 0;
 
+  // List the tests and exit if the --gtest_list_tests flag was specified.
+  if (GTEST_FLAG(list_tests)) {
+    // This must be called *after* FilterTests() has been called.
+    ListTestsMatchingFilter();
+    return 0;
+  }
+
   // True iff at least one test has failed.
   bool failed = false;
 
@@ -3808,10 +3811,14 @@ int UnitTestImpl::FilterTests(ReactionToSharding shard_tests) {
                                                    kDisableTestFilter);
       test_info->impl()->set_is_disabled(is_disabled);
 
-      const bool is_runnable =
-          (GTEST_FLAG(also_run_disabled_tests) || !is_disabled) &&
+      const bool matches_filter =
           internal::UnitTestOptions::FilterMatchesTest(test_case_name,
                                                        test_name);
+      test_info->impl()->set_matches_filter(matches_filter);
+
+      const bool is_runnable =
+          (GTEST_FLAG(also_run_disabled_tests) || !is_disabled) &&
+          matches_filter;
 
       const bool is_selected = is_runnable &&
           (shard_tests == IGNORE_SHARDING_PROTOCOL ||
@@ -3828,23 +3835,26 @@ int UnitTestImpl::FilterTests(ReactionToSharding shard_tests) {
   return num_selected_tests;
 }
 
-// Lists all tests by name.
-void UnitTestImpl::ListAllTests() {
+// Prints the names of the tests matching the user-specified filter flag.
+void UnitTestImpl::ListTestsMatchingFilter() {
   for (const internal::ListNode<TestCase*>* test_case_node = test_cases_.Head();
        test_case_node != NULL;
        test_case_node = test_case_node->next()) {
     const TestCase* const test_case = test_case_node->element();
-
-    // Prints the test case name following by an indented list of test nodes.
-    printf("%s.\n", test_case->name());
+    bool printed_test_case_name = false;
 
     for (const internal::ListNode<TestInfo*>* test_info_node =
          test_case->test_info_list().Head();
          test_info_node != NULL;
          test_info_node = test_info_node->next()) {
       const TestInfo* const test_info = test_info_node->element();
-
-      printf("  %s\n", test_info->name());
+      if (test_info->matches_filter()) {
+        if (!printed_test_case_name) {
+          printed_test_case_name = true;
+          printf("%s.\n", test_case->name());
+        }
+        printf("  %s\n", test_info->name());
+      }
     }
   }
   fflush(stdout);
@@ -3941,6 +3951,7 @@ TestInfoImpl::TestInfoImpl(TestInfo* parent,
     fixture_class_id_(fixture_class_id),
     should_run_(false),
     is_disabled_(false),
+    matches_filter_(false),
     factory_(factory) {
 }
 

test/gtest_list_tests_unittest.py

@@ -56,12 +56,12 @@ EXE_PATH = gtest_test_utils.GetTestExecutablePath('gtest_list_tests_unittest_')
 
 # The expected output when running gtest_list_tests_unittest_ with
 # --gtest_list_tests
-EXPECTED_OUTPUT = """FooDeathTest.
+EXPECTED_OUTPUT_NO_FILTER = """FooDeathTest.
   Test1
 Foo.
   Bar1
   Bar2
-  Bar3
+  DISABLED_Bar3
 Abc.
   Xyz
   Def
@@ -69,17 +69,33 @@ FooBar.
   Baz
 FooTest.
   Test1
-  Test2
+  DISABLED_Test2
+  Test3
+"""
+
+# The expected output when running gtest_list_tests_unittest_ with
+# --gtest_list_tests and --gtest_filter=Foo*.
+EXPECTED_OUTPUT_FILTER_FOO = """FooDeathTest.
+  Test1
+Foo.
+  Bar1
+  Bar2
+  DISABLED_Bar3
+FooBar.
+  Baz
+FooTest.
+  Test1
+  DISABLED_Test2
   Test3
 """
 
 # Utilities.
 
-def Run(command):
-  """Runs a command and returns the list of tests printed.
-  """
 
-  stdout_file = os.popen(command, "r")
+def Run(command):
+  """Runs a command and returns the list of tests printed."""
+
+  stdout_file = os.popen(command, 'r')
 
   output = stdout_file.read()
 
@@ -90,8 +106,7 @@ def Run(command):
 # The unit test.
 
 class GTestListTestsUnitTest(unittest.TestCase):
-  """Tests using the --gtest_list_tests flag to list all tests.
-  """
+  """Tests using the --gtest_list_tests flag to list all tests."""
 
   def RunAndVerify(self, flag_value, expected_output, other_flag):
     """Runs gtest_list_tests_unittest_ and verifies that it prints
@@ -126,12 +141,12 @@ class GTestListTestsUnitTest(unittest.TestCase):
     output = Run(command)
 
     msg = ('when %s is %s, the output of "%s" is "%s".' %
-          (LIST_TESTS_FLAG, flag_expression, command, output))
+           (LIST_TESTS_FLAG, flag_expression, command, output))
 
     if expected_output is not None:
       self.assert_(output == expected_output, msg)
     else:
-      self.assert_(output != EXPECTED_OUTPUT, msg)
+      self.assert_(output != EXPECTED_OUTPUT_NO_FILTER, msg)
 
   def testDefaultBehavior(self):
     """Tests the behavior of the default mode."""
@@ -147,18 +162,24 @@ class GTestListTestsUnitTest(unittest.TestCase):
                       expected_output=None,
                       other_flag=None)
     self.RunAndVerify(flag_value='1',
-                      expected_output=EXPECTED_OUTPUT,
+                      expected_output=EXPECTED_OUTPUT_NO_FILTER,
                       other_flag=None)
 
-  def testOverrideOtherFlags(self):
-    """Tests that --gtest_list_tests overrides all other flags."""
+  def testOverrideNonFilterFlags(self):
+    """Tests that --gtest_list_tests overrides the non-filter flags."""
 
     self.RunAndVerify(flag_value="1",
-                      expected_output=EXPECTED_OUTPUT,
-                      other_flag="--gtest_filter=*")
-    self.RunAndVerify(flag_value="1",
-                      expected_output=EXPECTED_OUTPUT,
+                      expected_output=EXPECTED_OUTPUT_NO_FILTER,
                       other_flag="--gtest_break_on_failure")
 
+  def testWithFilterFlags(self):
+    """Tests that --gtest_list_tests takes into account the
+    --gtest_filter flag."""
+
+    self.RunAndVerify(flag_value="1",
+                      expected_output=EXPECTED_OUTPUT_FILTER_FOO,
+                      other_flag="--gtest_filter=Foo*")
+
+
 if __name__ == '__main__':
   gtest_test_utils.Main()

test/gtest_list_tests_unittest_.cc

@@ -50,7 +50,7 @@ TEST(Foo, Bar1) {
 TEST(Foo, Bar2) {
 }
 
-TEST(Foo, Bar3) {
+TEST(Foo, DISABLED_Bar3) {
 }
 
 TEST(Abc, Xyz) {
@@ -68,7 +68,7 @@ class FooTest : public testing::Test {
 TEST_F(FooTest, Test1) {
 }
 
-TEST_F(FooTest, Test2) {
+TEST_F(FooTest, DISABLED_Test2) {
 }
 
 TEST_F(FooTest, Test3) {