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

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()