vamseeachanta Testing Data Analysis Code
Testing Data Analysis Code
import pytest
import polars as pl
def test_aggregation_logic():
"""Test aggregation produces expected results."""
test_data = pl.DataFrame({
"category": ["A", "A", "B"],
"value": [100, 200, 150]
})
result = aggregate_by_category(test_data)
assert result.filter(pl.col("category") == "A")["total"][0] == 300
assert result.filter(pl.col("category") == "B")["total"][0] == 150
def test_dashboard_callback():
"""Test dashboard callback returns valid figures."""
from dash.testing.composite import DashComposite
# Test callback outputs are valid plotly figures
main, pie, bar = update_charts("revenue")
assert main.data is not None
assert pie.data is not None
*See sub-skills for full details.*