def METHOD_NAME(self):
    # Mock the glob.glob function to return a list of fan paths
    with patch("glob.glob") as mock_glob:
        mock_glob.return_value = [
            "/sys/class/hwmon/hwmon1/fan1_input",
            "/sys/class/hwmon/hwmon2/fan2_input"
        ]
        with patch("os.path.realpath") as mock_path:
            mock_path.return_value = "foo"
            fan_monitor = FanMonitor()
            with patch("builtins.open") as mock_open:
                mock_open.return_value.__enter__().read.return_value = "1000"
                rpm = fan_monitor.get_rpm()
                self.assertEqual(rpm, {
                    "hwmon1/fan1_input": 1000,
                    "hwmon2/fan2_input": 1000
                })