def test_flush_darwin_fail(self, _):
with self.mock_property("platform.system") as obj:
obj.return_value = "Darwin"
flush_dns_cache()
expected = "Flushing the DNS cache failed."
output = sys.stdout.getvalue()
self.assertIn(expected, output)
def test_flush_no_tool(self, _):
with self.mock_property("platform.system") as obj:
obj.return_value = "Linux"
with self.mock_property("os.name"):
os.name = "posix"
flush_dns_cache()
expected = "Unable to determine DNS management tool."
output = sys.stdout.getvalue()
self.assertIn(expected, output)
def test_flush_darwin(self, _):
with self.mock_property("platform.system") as obj:
obj.return_value = "Darwin"
flush_dns_cache()
expected = ("Flushing the DNS cache to utilize new hosts "
"file...\nFlushing the DNS cache requires "
"administrative privileges. You might need to "
"enter your password.")
output = sys.stdout.getvalue()
self.assertIn(expected, output)
def test_flush_posix_fail(self, *_):
with self.mock_property("platform.system") as obj:
obj.return_value = "Linux"
with self.mock_property("os.name"):
os.name = "posix"
flush_dns_cache()
expected = ("Flushing the DNS cache by "
"restarting nscd failed")
output = sys.stdout.getvalue()
self.assertIn(expected, output)
def test_flush_posix_fail_then_succeed(self, *_):
with self.mock_property("platform.system") as obj:
obj.return_value = "Linux"
with self.mock_property("os.name"):
os.name = "posix"
flush_dns_cache()
output = sys.stdout.getvalue()
for expected in [("Flushing the DNS cache by "
"restarting nscd failed"),
("Flushing the DNS cache by restarting "
"NetworkManager.service succeeded")]:
self.assertIn(expected, output)
def test_flush_windows(self):
with self.mock_property("platform.system") as obj:
obj.return_value = "win32"
with self.mock_property("os.name"):
os.name = "nt"
flush_dns_cache()
expected = ("Automatically flushing the DNS cache is "
"not yet supported.\nPlease copy and paste "
"the command 'ipconfig /flushdns' in "
"administrator command prompt after running "
"this script.")
output = sys.stdout.getvalue()
self.assertIn(expected, output)