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test: Add comprehensive doctests for stock_price function #13007

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test: Add comprehensive doctests for stock_price function
tommasobaiocchi Sep 29, 2025
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[pre-commit.ci] auto fixes from pre-commit.com hooks
pre-commit-ci[bot] Sep 29, 2025
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test: Add comprehensive doctests for ohms_law function
tommasobaiocchi Sep 30, 2025
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Merge branch 'master' of https://github.com/tommasobaiocchi/Python
tommasobaiocchi Sep 30, 2025
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[pre-commit.ci] auto fixes from pre-commit.com hooks
pre-commit-ci[bot] Oct 3, 2025
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25 changes: 21 additions & 4 deletions web_programming/current_stock_price.py
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Original file line number Diff line number Diff line change
Expand Up @@ -22,10 +22,27 @@

def stock_price(symbol: str = "AAPL") -> str:
"""
>>> stock_price("EEEE")
'No <fin-streamer> tag with the specified data-testid attribute found.'
>>> isinstance(float(stock_price("GOOG")),float)
True
Get current stock price from Yahoo Finance.

Args:
symbol: Stock ticker symbol (e.g., 'AAPL', 'GOOG')

Returns:
Current stock price as string, or error message if not found

Examples:
>>> stock_price("EEEE") # Invalid symbol
'No <fin-streamer> tag with the specified data-testid attribute found.'
>>> isinstance(float(stock_price("GOOG")), float) # Valid symbol
True
>>> stock_price("") # Empty symbol
'No <fin-streamer> tag with the specified data-testid attribute found.'
>>> stock_price("INVALID_SYMBOL_123") # Another invalid symbol
'No <fin-streamer> tag with the specified data-testid attribute found.'
>>> # Test output format for valid symbols
>>> result = stock_price("AAPL")
>>> result.replace(".", "").replace(",", "").isdigit() or "No <fin-streamer>" in result
True
"""
url = f"https://finance.yahoo.com/quote/{symbol}?p={symbol}"
yahoo_finance_source = httpx.get(
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