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# Copyright (c) 2015 VMware, Inc.
#
# SPDX-License-Identifier: Apache-2.0
import os
import subprocess
import testtools
class RuntimeTests(testtools.TestCase):
def _test_runtime(self, cmdlist, infile=None):
process = subprocess.Popen(
cmdlist,
stdin=infile if infile else subprocess.PIPE,
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT,
close_fds=True,
)
stdout, stderr = process.communicate()
retcode = process.poll()
return (retcode, stdout.decode("utf-8"))
def _test_example(self, cmdlist, targets):
for t in targets:
cmdlist.append(os.path.join(os.getcwd(), "examples", t))
return self._test_runtime(cmdlist)
def test_no_arguments(self):
(retcode, output) = self._test_runtime(
[
"bandit",
]
)
self.assertEqual(2, retcode)
self.assertIn("usage: bandit [-h]", output)
def test_piped_input(self):
with open("examples/imports.py") as infile:
(retcode, output) = self._test_runtime(["bandit", "-"], infile)
self.assertEqual(1, retcode)
self.assertIn("Total lines of code: 4", output)
self.assertIn("Low: 2", output)
self.assertIn("High: 2", output)
self.assertIn("Files skipped (0):", output)
self.assertIn("Issue: [B403:blacklist] Consider possible", output)
self.assertIn("<stdin>:2", output)
self.assertIn("<stdin>:4", output)
def test_nonexistent_config(self):
(retcode, output) = self._test_runtime(
["bandit", "-c", "nonexistent.yml", "xx.py"]
)
self.assertEqual(2, retcode)
self.assertIn("nonexistent.yml : Could not read config file.", output)
def test_help_arg(self):
(retcode, output) = self._test_runtime(["bandit", "-h"])
self.assertEqual(0, retcode)
self.assertIn(
"Bandit - a Python source code security analyzer", output
)
self.assertIn("usage: bandit [-h]", output)
self.assertIn("positional arguments:", output)
self.assertIn("tests were discovered and loaded:", output)
# test examples (use _test_example() to wrap in config location argument
def test_example_nonexistent(self):
(retcode, output) = self._test_example(
[
"bandit",
],
[
"nonexistent.py",
],
)
self.assertEqual(0, retcode)
self.assertIn("Files skipped (1):", output)
self.assertIn("nonexistent.py (No such file or directory", output)
def test_example_okay(self):
(retcode, output) = self._test_example(
[
"bandit",
],
[
"okay.py",
],
)
self.assertEqual(0, retcode)
self.assertIn("Total lines of code: 1", output)
self.assertIn("Files skipped (0):", output)
self.assertIn("No issues identified.", output)
def test_example_nonsense(self):
(retcode, output) = self._test_example(
[
"bandit",
],
[
"nonsense.py",
],
)
self.assertEqual(0, retcode)
self.assertIn("Files skipped (1):", output)
self.assertIn("nonsense.py (syntax error while parsing AST", output)
def test_example_nonsense2(self):
(retcode, output) = self._test_example(
[
"bandit",
],
[
"nonsense2.py",
],
)
self.assertEqual(0, retcode)
self.assertIn("Files skipped (1):", output)
self.assertIn("nonsense2.py (syntax error while parsing AST", output)
def test_example_imports(self):
(retcode, output) = self._test_example(
[
"bandit",
],
[
"imports.py",
],
)
self.assertEqual(1, retcode)
self.assertIn("Total lines of code: 4", output)
self.assertIn("Low: 2", output)
self.assertIn("High: 2", output)
self.assertIn("Files skipped (0):", output)
self.assertIn("Issue: [B403:blacklist] Consider possible", output)
self.assertIn("imports.py:2", output)
self.assertIn("imports.py:4", output)
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