"""Expected top-level tests must actually run and pass, not merely exit zero."""
import importlib.util
from pathlib import Path
import unittest

class TestEvidence(unittest.TestCase):
    def checker(self):
        path = Path(__file__).resolve().parents[1] / 'verify_go_test_evidence.py'
        spec = importlib.util.spec_from_file_location('test_evidence_checker', path)
        module = importlib.util.module_from_spec(spec)
        spec.loader.exec_module(module)
        return module.verify

    def test_both_expected_tests_pass(self):
        self.assertTrue(self.checker()('--- PASS: TestA (0.10s)\n--- PASS: TestB (2.00s)\n', ['TestA', 'TestB'])['passed'])

    def test_missing_partial_skip_failure_and_duplicate_are_not_pass(self):
        for text in ['', '--- PASS: TestA (1s)\n', '--- PASS: TestA (1s)\n--- SKIP: TestB (0s)\n',
                     '--- PASS: TestA (1s)\n--- FAIL: TestB (1s)\n',
                     '--- PASS: TestA (1s)\n--- PASS: TestB (1s)\n--- PASS: TestB (1s)\n']:
            with self.subTest(text=text):
                self.assertFalse(self.checker()(text, ['TestA', 'TestB'])['passed'])

    def test_subtests_and_case_mismatches_do_not_prove_parent_execution(self):
        self.assertFalse(self.checker()('    --- PASS: TestPiAgent/child (1s)\n--- PASS: TestPIAgent (1s)\n', ['TestPiAgent'])['passed'])