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from test import TestCase, generate_random_vector
import struct
class VREM_LastItemDeletesKey(TestCase):
def getname(self):
return "VREM last item deletes key"
def test(self):
# Generate a random vector
vec = generate_random_vector(4)
vec_bytes = struct.pack('4f', *vec)
# Add the vector to the key
result = self.redis.execute_command('VADD', self.test_key, 'FP32', vec_bytes, f'{self.test_key}:item:1')
assert result == 1, "VADD should return 1 for first item"
# Verify the key exists
exists = self.redis.exists(self.test_key)
assert exists == 1, "Key should exist after VADD"
# Remove the item
result = self.redis.execute_command('VREM', self.test_key, f'{self.test_key}:item:1')
assert result == 1, "VREM should return 1 for successful removal"
# Verify the key no longer exists
exists = self.redis.exists(self.test_key)
assert exists == 0, "Key should no longer exist after VREM of last item"
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