"""Tests for helper functions."""
from src.utils.helpers import format_ticker, normalize_ticker, format_number
def test_format_ticker():
"""Test ticker formatting."""
assert format_ticker("BBCA") == "BBCA.JK"
assert format_ticker("BBCA.JK") == "BBCA.JK"
assert format_ticker("bbca") == "BBCA.JK"
def test_normalize_ticker():
"""Test ticker normalization."""
assert normalize_ticker("BBCA.JK") == "BBCA"
assert normalize_ticker("BBCA") == "BBCA"
assert normalize_ticker("bbca.jk") == "BBCA"
def test_format_number():
"""Test number formatting."""
assert format_number(123.456789, 2) == 123.46
assert format_number(123.456789, 0) == 123
assert format_number(None, 2) is None
assert format_number(100, 2) == 100.0
