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67df99f | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 | import os
import tempfile
import pytest
from app.tools.ast_parser import (
detect_security_issues,
parse_python_file,
parse_repository,
scan_repository_security,
)
def _write(tmpdir: str, filename: str, content: str) -> str:
path = os.path.join(tmpdir, filename)
with open(path, "w") as f:
f.write(content)
return path
# ── parse_python_file ────────────────────────────────────────────────────────
def test_parse_python_file_extracts_functions() -> None:
with tempfile.TemporaryDirectory() as d:
p = _write(d, "f.py", "def hello(x, y):\n pass\n")
result = parse_python_file(p)
assert any(fn["name"] == "hello" for fn in result["functions"])
assert result["errors"] == []
def test_parse_python_file_extracts_classes() -> None:
with tempfile.TemporaryDirectory() as d:
p = _write(d, "c.py", "class Foo:\n pass\n")
result = parse_python_file(p)
assert any(cls["name"] == "Foo" for cls in result["classes"])
def test_parse_python_file_extracts_imports() -> None:
with tempfile.TemporaryDirectory() as d:
p = _write(d, "i.py", "import os\nfrom pathlib import Path\n")
result = parse_python_file(p)
assert "os" in result["imports"]
assert "pathlib" in result["imports"]
def test_parse_python_file_handles_syntax_error() -> None:
with tempfile.TemporaryDirectory() as d:
p = _write(d, "bad.py", "def broken(\n")
result = parse_python_file(p)
assert any("SyntaxError" in e for e in result["errors"])
def test_parse_repository_skips_non_python() -> None:
with tempfile.TemporaryDirectory() as d:
_write(d, "readme.md", "# hi")
_write(d, "main.py", "x = 1\n")
results = parse_repository(d)
assert len(results) == 1
assert results[0]["file"].endswith("main.py")
# ── detect_security_issues ───────────────────────────────────────────────────
def test_detects_eval() -> None:
with tempfile.TemporaryDirectory() as d:
p = _write(d, "e.py", "result = eval(user_input)\n")
findings = detect_security_issues(p)
rules = [f["rule"] for f in findings]
assert "dangerous-eval" in rules
def test_detects_exec() -> None:
with tempfile.TemporaryDirectory() as d:
p = _write(d, "e.py", "exec(user_code)\n")
findings = detect_security_issues(p)
rules = [f["rule"] for f in findings]
assert "dangerous-exec" in rules
def test_detects_shell_true() -> None:
with tempfile.TemporaryDirectory() as d:
p = _write(d, "s.py", "import subprocess\nsubprocess.run(cmd, shell=True)\n")
findings = detect_security_issues(p)
rules = [f["rule"] for f in findings]
assert "shell-injection" in rules
def test_detects_hardcoded_secret() -> None:
with tempfile.TemporaryDirectory() as d:
p = _write(d, "k.py", 'api_key = "supersecretvalue"\n')
findings = detect_security_issues(p)
rules = [f["rule"] for f in findings]
assert "hardcoded-secret" in rules
def test_no_false_positive_on_clean_file() -> None:
with tempfile.TemporaryDirectory() as d:
p = _write(d, "clean.py", "def add(a, b):\n return a + b\n")
findings = detect_security_issues(p)
assert findings == []
def test_handles_syntax_error_gracefully() -> None:
with tempfile.TemporaryDirectory() as d:
p = _write(d, "bad.py", "def broken(\n")
findings = detect_security_issues(p)
assert findings == [] # returns empty, doesn't raise
def test_scan_repository_security_aggregates() -> None:
with tempfile.TemporaryDirectory() as d:
_write(d, "a.py", "eval(x)\n")
_write(d, "b.py", "def safe():\n return 1\n")
findings = scan_repository_security(d)
assert any(f["rule"] == "dangerous-eval" for f in findings)
@pytest.mark.parametrize("rule,code", [
("dangerous-eval", "eval(x)\n"),
("dangerous-exec", "exec(x)\n"),
("shell-injection", "import subprocess\nsubprocess.run(c, shell=True)\n"),
("hardcoded-secret", 'password = "hunter2abc"\n'),
])
def test_parametrized_detection(rule: str, code: str) -> None:
with tempfile.TemporaryDirectory() as d:
p = _write(d, "t.py", code)
findings = detect_security_issues(p)
assert any(f["rule"] == rule for f in findings) |