added tests for deep poverty

policyengine/tests/economic_impact/poverty_impact/deep_poverty/by_age/by_age.yaml

@@ -0,0 +1,40 @@
+# Regular poverty by age
+- test_child_poverty:
+    reform:
+      gov.hmrc.income_tax.rates.uk[0].rate:
+        "2024-01-01.2100-12-31": 0.55
+    country: uk
+    expected:
+      baseline: 2.44
+      reform: 2.45
+      change: 0.7
+
+- test_adult_poverty:
+    reform:
+      gov.hmrc.income_tax.rates.uk[0].rate:
+        "2024-01-01.2100-12-31": 0.55
+    country: uk
+    expected:
+      baseline: 2.6
+      reform: 2.7
+      change: 3.9
+
+- test_senior_poverty:
+    reform:
+      gov.hmrc.income_tax.rates.uk[0].rate:
+        "2024-01-01.2100-12-31": 0.55
+    country: uk
+    expected:
+      baseline: 1.76
+      reform: 1.76
+      change: 0.5
+
+- test_all_poverty:
+    reform:
+      gov.hmrc.income_tax.rates.uk[0].rate:
+        "2024-01-01.2100-12-31": 0.55
+    country: uk
+    expected:
+      baseline: 2.41
+      reform: 2.47
+      change: 2.7

policyengine/tests/economic_impact/poverty_impact/deep_poverty/by_age/test_deep_by_age.py

@@ -0,0 +1,41 @@
+import pytest
+import yaml
+import os
+from policyengine import EconomicImpact
+
+def assert_dict_approx_equal(actual, expected, tolerance=1e-4):
+    for key in expected:
+        assert abs(actual[key] - expected[key]) < tolerance, f"Key {key}: expected {expected[key]}, got {actual[key]}"
+
+
+yaml_file_path = "policyengine/tests/economic_impact/poverty_impact/deep_poverty/by_age/by_age.yaml"
+
+# Check if the file exists
+if not os.path.exists(yaml_file_path):
+    raise FileNotFoundError(f"The YAML file does not exist at: {yaml_file_path}")
+
+with open(yaml_file_path, 'r') as file:
+    test_cases = yaml.safe_load(file)
+
+@pytest.mark.parametrize("test_case", test_cases)
+def test_economic_impact(test_case):
+    test_name = list(test_case.keys())[0]
+    test_data = test_case[test_name]
+
+    economic_impact = EconomicImpact(test_data['reform'], test_data['country'])
+
+    if 'child' in test_name:
+        result = economic_impact.calculate("poverty/deep/child")
+    elif 'adult' in test_name:
+        result = economic_impact.calculate("poverty/deep/adult")
+    elif 'senior' in test_name:
+        result = economic_impact.calculate("poverty/deep/senior")
+    elif 'all' in test_name:
+        result = economic_impact.calculate("poverty/deep/age/all")
+    else:
+        pytest.fail(f"Unknown test case: {test_name}")
+
+    assert_dict_approx_equal(result, test_data['expected'])
+
+if __name__ == "__main__":
+    pytest.main([__file__])

policyengine/tests/economic_impact/poverty_impact/deep_poverty/by_gender/by_gender.yaml

@@ -0,0 +1,30 @@
+# Regular poverty by age
+- male_poverty_test:
+    reform:
+      gov.hmrc.income_tax.rates.uk[0].rate:
+        "2024-01-01.2100-12-31": 0.55
+    country: uk
+    expected:
+      baseline: 2.66
+      reform: 2.73
+      change: 2.5
+
+- female_poverty_test:
+    reform:
+      gov.hmrc.income_tax.rates.uk[0].rate:
+        "2024-01-01.2100-12-31": 0.55
+    country: uk
+    expected:
+      baseline: 2.16
+      reform: 2.23
+      change: 2.9
+
+- all_poverty_test:
+    reform:
+      gov.hmrc.income_tax.rates.uk[0].rate:
+        "2024-01-01.2100-12-31": 0.55
+    country: uk
+    expected:
+      baseline: 2.41
+      reform: 2.47
+      change: 2.7

policyengine/tests/economic_impact/poverty_impact/deep_poverty/by_gender/test_deep_by_gender.py

@@ -0,0 +1,41 @@
+import pytest
+import yaml
+import os
+from policyengine import EconomicImpact
+
+def assert_dict_approx_equal(actual, expected, tolerance=1e-4):
+    for key in expected:
+        assert abs(actual[key] - expected[key]) < tolerance, f"Key {key}: expected {expected[key]}, got {actual[key]}"
+
+
+yaml_file_path = "policyengine/tests/economic_impact/poverty_impact/deep_poverty/by_age/by_age.yaml"
+
+# Check if the file exists
+if not os.path.exists(yaml_file_path):
+    raise FileNotFoundError(f"The YAML file does not exist at: {yaml_file_path}")
+
+with open(yaml_file_path, 'r') as file:
+    test_cases = yaml.safe_load(file)
+
+@pytest.mark.parametrize("test_case", test_cases)
+def test_economic_impact(test_case):
+    test_name = list(test_case.keys())[0]
+    test_data = test_case[test_name]
+
+    economic_impact = EconomicImpact(test_data['reform'], test_data['country'])
+
+    if 'child' in test_name:
+        result = economic_impact.calculate("poverty/deep/child")
+    elif 'adult' in test_name:
+        result = economic_impact.calculate("poverty/deep/adult")
+    elif 'senior' in test_name:
+        result = economic_impact.calculate("poverty/deep/senior")
+    elif 'all' in test_name:
+        result = economic_impact.calculate("poverty/deep/age/all")
+    else:
+        pytest.fail(f"Unknown test case: {test_name}")
+
+    assert_dict_approx_equal(result, test_data['expected'])
+
+if __name__ == "__main__":
+    pytest.main([__file__])