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from test import TestCase, generate_random_vector
import struct
class BasicVISMEMBER(TestCase):
def getname(self):
return "VISMEMBER basic functionality"
def test(self):
# Add multiple vectors to the vector set
vec1 = generate_random_vector(4)
vec2 = generate_random_vector(4)
vec_bytes1 = struct.pack('4f', *vec1)
vec_bytes2 = struct.pack('4f', *vec2)
# Create item keys
item1 = f'{self.test_key}:item:1'
item2 = f'{self.test_key}:item:2'
nonexistent_item = f'{self.test_key}:item:nonexistent'
# Add the vectors
self.redis.execute_command('VADD', self.test_key, 'FP32', vec_bytes1, item1)
self.redis.execute_command('VADD', self.test_key, 'FP32', vec_bytes2, item2)
# Test VISMEMBER with existing elements
result1 = self.redis.execute_command('VISMEMBER', self.test_key, item1)
assert result1 == 1, f"VISMEMBER should return 1 for existing item, got {result1}"
result2 = self.redis.execute_command('VISMEMBER', self.test_key, item2)
assert result2 == 1, f"VISMEMBER should return 1 for existing item, got {result2}"
# Test VISMEMBER with non-existent element
result3 = self.redis.execute_command('VISMEMBER', self.test_key, nonexistent_item)
assert result3 == 0, f"VISMEMBER should return 0 for non-existent item, got {result3}"
# Test VISMEMBER with non-existent key
nonexistent_key = f'{self.test_key}_nonexistent'
result4 = self.redis.execute_command('VISMEMBER', nonexistent_key, item1)
assert result4 == 0, f"VISMEMBER should return 0 for non-existent key, got {result4}"
# Test VISMEMBER after removing an element
self.redis.execute_command('VREM', self.test_key, item1)
result5 = self.redis.execute_command('VISMEMBER', self.test_key, item1)
assert result5 == 0, f"VISMEMBER should return 0 after element removal, got {result5}"
# Verify item2 still exists
result6 = self.redis.execute_command('VISMEMBER', self.test_key, item2)
assert result6 == 1, f"VISMEMBER should still return 1 for remaining item, got {result6}"
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