Function test_sarif_rule_coverage

test/cli/sarif_test.py:458–493

Test that a variety of rules are triggered by comprehensive test code.

()

def test_sarif_rule_coverage():
    """Test that a variety of rules are triggered by comprehensive test code."""
    sarif = run_sarif_check(TEST_CODE)

    run = sarif["runs"][0]
    driver = run["tool"]["driver"]
    rules = driver["rules"]

    # Collect all rule IDs
    rule_ids = set(rule["id"] for rule in rules)

    # Should have at least 5 different rules triggered
    assert (
        len(rule_ids) >= 5
    ), f"Expected at least 5 rules, found {len(rule_ids)}: {rule_ids}"

    # Check for some specific expected rules from different categories
    expected_rules = [
        "nullPointer",  # Security
        "arrayIndexOutOfBounds",  # Security
        "memleak",  # Security
        "uninitvar",  # Security
        "unusedVariable",  # Style
        "redundantAssignment",  # Style
        "unusedFunction",  # Style (if enabled)
        "constParameter",  # Style/Performance
        "cstyleCast",  # Style
        "variableScope",  # Style
    ]

    found_expected_rules = sum(1 for rule in expected_rules if rule in rule_ids)

    # Should find at least 3 of our expected rules
    assert (
        found_expected_rules >= 3
    ), f"Expected at least 3 known rules, found {found_expected_rules}"


def test_sarif_generic_descriptions():