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70 lines
2.8 KiB
Python
70 lines
2.8 KiB
Python
# Copyright (C) 2010, Stefano Rivera <stefanor@ubuntu.com>
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# Copyright (C) 2017-2018, Benjamin Drung <bdrung@ubuntu.com>
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#
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# Permission to use, copy, modify, and/or distribute this software for any
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# purpose with or without fee is hereby granted, provided that the above
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# copyright notice and this permission notice appear in all copies.
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#
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# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
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# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
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# AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
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# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
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# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
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# OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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# PERFORMANCE OF THIS SOFTWARE.
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"""test_pylint.py - Run pylint in errors-only mode."""
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import os
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import re
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import subprocess
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import sys
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from ubuntutools.test import get_source_files, unittest, unittest_verbosity
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CONFIG = os.path.join(os.path.dirname(__file__), "pylint.conf")
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class PylintTestCase(unittest.TestCase):
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"""
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This unittest class provides a test that runs the pylint code check
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on the Python source code. The list of source files is provided by
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the get_source_files() function and pylint is configured via a
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config file.
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"""
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def test_pylint(self):
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"""Test: Run pylint on Python source code"""
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cmd = ["pylint", "--rcfile=" + CONFIG,
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"-E", "--"] + get_source_files()
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if unittest_verbosity() >= 2:
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sys.stderr.write("Running following command:\n{}\n".format(" ".join(cmd)))
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process = subprocess.Popen(
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cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE,
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encoding='utf-8')
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out, err = process.communicate()
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if process.returncode != 0: # pragma: no cover
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# Strip trailing summary (introduced in pylint 1.7). This summary might look like:
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#
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# ------------------------------------
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# Your code has been rated at 10.00/10
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#
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out = re.sub("^(-+|Your code has been rated at .*)$", "", out,
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flags=re.MULTILINE).rstrip()
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# Strip logging of used config file (introduced in pylint 1.8)
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err = re.sub("^Using config file .*\n", "", err).rstrip()
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msgs = []
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if err:
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msgs.append("pylint exited with code {} and has unexpected output on stderr:\n{}"
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.format(process.returncode, err))
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if out:
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msgs.append("pylint found issues:\n{}".format(out))
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if not msgs:
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msgs.append("pylint exited with code {} and has no output on stdout or stderr."
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.format(process.returncode))
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self.fail("\n".join(msgs))
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