77import yaml
88from pathlib import Path
99from policyengine_uk import Microsimulation
10+ from policyengine_core .data import Dataset
11+ from policyengine_uk_data .storage import STORAGE_FOLDER
1012
1113
1214# Load configuration from YAML file
1618
1719reforms_data = config ["reforms" ]
1820
21+ dataset = Dataset .from_file (STORAGE_FOLDER / "enhanced_frs_2023_24.h5" )
22+
23+
1924# Initialize baseline simulation
20- baseline = Microsimulation ()
25+ baseline = Microsimulation (dataset = dataset )
2126
2227
2328def get_fiscal_impact (reform : dict ) -> float :
@@ -31,7 +36,7 @@ def get_fiscal_impact(reform: dict) -> float:
3136 Fiscal impact in billions (positive = revenue increase)
3237 """
3338 baseline_revenue = baseline .calculate ("gov_balance" , 2029 ).sum ()
34- reform_simulation = Microsimulation (reform = reform )
39+ reform_simulation = Microsimulation (reform = reform , dataset = dataset )
3540 reform_revenue = reform_simulation .calculate ("gov_balance" , 2029 ).sum ()
3641 return (reform_revenue - baseline_revenue ) / 1e9
3742
@@ -54,9 +59,9 @@ def test_reform_fiscal_impacts(reform, reform_name, expected_impact):
5459 """Test that each reform produces the expected fiscal impact."""
5560 impact = get_fiscal_impact (reform )
5661
57- # Allow for small numerical differences (0.1 billion tolerance)
62+ # Allow for small numerical differences (1.0 billion tolerance)
5863 assert (
59- abs (impact - expected_impact ) < 0.1
64+ abs (impact - expected_impact ) < 1.0
6065 ), f"Impact for { reform_name } is { impact :.1f} billion, expected { expected_impact :.1f} billion"
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