import unittest

class TestRestaurant(unittest.TestCase):

    def setUp(self):
        # Initialize a restaurant with a capacity of 3
        self.restaurant = Restaurant("Test Restaurant", 3)

    def test_init(self):
        # Test if the restaurant is initialized correctly
        self.assertEqual(self.restaurant.name, "Test Restaurant")
        self.assertEqual(self.restaurant.capacity, 3)
        self.assertEqual(self.restaurant.waiters, [])

    def test_name_setter(self):
        # Test setting the name property with a valid name
        self.restaurant.name = "New Restaurant Name"
        self.assertEqual(self.restaurant.name, "New Restaurant Name")

        # Test setting the name property with an invalid name
        with self.assertRaises(ValueError):
            self.restaurant.name = ""

    def test_capacity_setter(self):
        # Test setting the capacity property with a valid capacity
        self.restaurant.capacity = 5
        self.assertEqual(self.restaurant.capacity, 5)

        # Test setting the capacity property with an invalid capacity
        with self.assertRaises(ValueError):
            self.restaurant.capacity = -1

    def test_add_waiter(self):
        # Test adding a waiter to the restaurant
        result = self.restaurant.add_waiter("John")
        self.assertEqual(result, "The waiter John has been added.")

        # Test adding a waiter with the same name
        result = self.restaurant.add_waiter("John")
        self.assertEqual(result, "The waiter John already exists!")

        # Test adding a waiter when the restaurant is at full capacity
        self.restaurant.add_waiter("Alice")
        self.restaurant.add_waiter("Bob")
        result = self.restaurant.add_waiter("Eve")
        self.assertEqual(result, "No more places!")

    def test_remove_waiter(self):
        # Test removing a waiter from the restaurant
        self.restaurant.add_waiter("John")
        result = self.restaurant.remove_waiter("John")
        self.assertEqual(result, "The waiter John has been removed.")

        # Test removing a waiter that does not exist
        result = self.restaurant.remove_waiter("Alice")
        self.assertEqual(result, "No waiter found with the name Alice.")

    def test_get_total_earnings(self):
        # Test getting total earnings when there are no waiters
        result = self.restaurant.get_total_earnings()
        self.assertEqual(result, 0)

        # Test getting total earnings when there are waiters
        self.restaurant.add_waiter("John")
        self.restaurant.add_waiter("Alice")
        self.restaurant.waiters[0]['total_earnings'] = 100
        self.restaurant.waiters[1]['total_earnings'] = 200
        result = self.restaurant.get_total_earnings()
        self.assertEqual(result, 300)

    def test_get_waiters(self):
        # Test getting waiters with no filters
        self.restaurant.add_waiter("John")
        self.restaurant.add_waiter("Alice")
        self.restaurant.add_waiter("Bob")
        result = self.restaurant.get_waiters()
        self.assertEqual(len(result), 3)

        # Test getting waiters with min_earnings filter
        self.restaurant.waiters[0]['total_earnings'] = 100
        self.restaurant.waiters[1]['total_earnings'] = 200
        self.restaurant.waiters[2]['total_earnings'] = 300
        result = self.restaurant.get_waiters(min_earnings=150)
        self.assertEqual(len(result), 2)

        # Test getting waiters with max_earnings filter
        result = self.restaurant.get_waiters(max_earnings=250)
        self.assertEqual(len(result), 2)

        # Test getting waiters with both min_earnings and max_earnings filters
        result = self.restaurant.get_waiters(min_earnings=100, max_earnings=250)
        self.assertEqual(len(result), 2)

if __name__ == '__main__':
    unittest.main()