18: tests, fixes
This commit is contained in:
Dobromir Popov
@ -1,217 +1,31 @@
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"""
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Data validation utilities for the COBY system.
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Validation utilities for COBY system.
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"""
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import re
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from typing import List, Optional
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from decimal import Decimal, InvalidOperation
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from typing import Any
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def validate_symbol(symbol: str) -> bool:
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"""
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Validate trading symbol format.
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Args:
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symbol: Trading symbol to validate
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Returns:
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bool: True if valid, False otherwise
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"""
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"""Validate trading symbol format"""
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if not symbol or not isinstance(symbol, str):
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return False
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# Basic symbol format validation (e.g., BTCUSDT, ETH-USD)
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pattern = r'^[A-Z0-9]{2,10}[-/]?[A-Z0-9]{2,10}$'
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# Basic symbol validation (letters and numbers, 3-12 chars)
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pattern = r'^[A-Z0-9]{3,12}$'
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return bool(re.match(pattern, symbol.upper()))
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def validate_price(price: float) -> bool:
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"""
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Validate price value.
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Args:
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price: Price to validate
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Returns:
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bool: True if valid, False otherwise
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"""
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if not isinstance(price, (int, float, Decimal)):
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return False
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try:
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price_decimal = Decimal(str(price))
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return price_decimal > 0 and price_decimal < Decimal('1e10') # Reasonable upper bound
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except (InvalidOperation, ValueError):
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return False
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"""Validate price value"""
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return isinstance(price, (int, float)) and price > 0
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def validate_volume(volume: float) -> bool:
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"""
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Validate volume value.
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Args:
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volume: Volume to validate
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Returns:
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bool: True if valid, False otherwise
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"""
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if not isinstance(volume, (int, float, Decimal)):
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return False
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try:
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volume_decimal = Decimal(str(volume))
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return volume_decimal >= 0 and volume_decimal < Decimal('1e15') # Reasonable upper bound
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except (InvalidOperation, ValueError):
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return False
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"""Validate volume value"""
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return isinstance(volume, (int, float)) and volume >= 0
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def validate_exchange_name(exchange: str) -> bool:
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"""
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Validate exchange name.
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Args:
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exchange: Exchange name to validate
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Returns:
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bool: True if valid, False otherwise
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"""
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if not exchange or not isinstance(exchange, str):
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return False
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# Exchange name should be alphanumeric with possible underscores/hyphens
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pattern = r'^[a-zA-Z0-9_-]{2,20}$'
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return bool(re.match(pattern, exchange))
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def validate_timestamp_range(start_time, end_time) -> List[str]:
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"""
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Validate timestamp range.
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Args:
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start_time: Start timestamp
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end_time: End timestamp
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Returns:
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List[str]: List of validation errors (empty if valid)
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"""
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errors = []
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if start_time is None:
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errors.append("Start time cannot be None")
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if end_time is None:
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errors.append("End time cannot be None")
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if start_time and end_time and start_time >= end_time:
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errors.append("Start time must be before end time")
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return errors
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def validate_bucket_size(bucket_size: float) -> bool:
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"""
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Validate price bucket size.
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Args:
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bucket_size: Bucket size to validate
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Returns:
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bool: True if valid, False otherwise
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"""
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if not isinstance(bucket_size, (int, float, Decimal)):
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return False
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try:
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size_decimal = Decimal(str(bucket_size))
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return size_decimal > 0 and size_decimal <= Decimal('1000') # Reasonable upper bound
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except (InvalidOperation, ValueError):
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return False
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def validate_speed_multiplier(speed: float) -> bool:
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"""
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Validate replay speed multiplier.
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Args:
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speed: Speed multiplier to validate
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Returns:
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bool: True if valid, False otherwise
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"""
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if not isinstance(speed, (int, float)):
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return False
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return 0.01 <= speed <= 100.0 # 1% to 100x speed
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def sanitize_symbol(symbol: str) -> str:
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"""
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Sanitize and normalize symbol format.
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Args:
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symbol: Symbol to sanitize
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Returns:
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str: Sanitized symbol
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"""
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if not symbol:
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return ""
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# Remove whitespace and convert to uppercase
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sanitized = symbol.strip().upper()
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# Remove invalid characters
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sanitized = re.sub(r'[^A-Z0-9/-]', '', sanitized)
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return sanitized
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def validate_percentage(value: float, min_val: float = 0.0, max_val: float = 100.0) -> bool:
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"""
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Validate percentage value.
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Args:
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value: Percentage value to validate
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min_val: Minimum allowed value
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max_val: Maximum allowed value
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Returns:
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bool: True if valid, False otherwise
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"""
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if not isinstance(value, (int, float)):
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return False
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return min_val <= value <= max_val
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def validate_connection_config(config: dict) -> List[str]:
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"""
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Validate connection configuration.
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Args:
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config: Configuration dictionary
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Returns:
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List[str]: List of validation errors (empty if valid)
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"""
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errors = []
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# Required fields
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required_fields = ['host', 'port']
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for field in required_fields:
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if field not in config:
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errors.append(f"Missing required field: {field}")
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# Validate host
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if 'host' in config:
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host = config['host']
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if not isinstance(host, str) or not host.strip():
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errors.append("Host must be a non-empty string")
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# Validate port
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if 'port' in config:
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port = config['port']
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if not isinstance(port, int) or not (1 <= port <= 65535):
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errors.append("Port must be an integer between 1 and 65535")
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return errors
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def validate_timestamp(timestamp: Any) -> bool:
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"""Validate timestamp"""
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return timestamp is not None
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