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https://github.com/brain-hackers/u-boot-brain
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970349a96d
Some of these tests don't actually check anything. Add a few more checks to complete the tests. Also add a simple scan test that does the basics. Signed-off-by: Simon Glass <sjg@chromium.org>
108 lines
3.6 KiB
Python
108 lines
3.6 KiB
Python
# SPDX-License-Identifier: GPL-2.0+
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# Copyright 2020 Google LLC
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#
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"""Tests for the src_scan module
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This includes unit tests for scanning of the source code
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"""
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import os
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import shutil
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import tempfile
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import unittest
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from unittest import mock
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from dtoc import src_scan
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from patman import test_util
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from patman import tools
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# This is a test so is allowed to access private things in the module it is
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# testing
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# pylint: disable=W0212
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class TestSrcScan(unittest.TestCase):
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"""Tests for src_scan"""
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@classmethod
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def setUpClass(cls):
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tools.PrepareOutputDir(None)
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@classmethod
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def tearDownClass(cls):
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tools.FinaliseOutputDir()
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def test_simple(self):
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"""Simple test of scanning drivers"""
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scan = src_scan.Scanner(None, True, None)
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scan.scan_drivers()
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self.assertIn('sandbox_gpio', scan._drivers)
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self.assertIn('sandbox_gpio_alias', scan._driver_aliases)
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self.assertEqual('sandbox_gpio',
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scan._driver_aliases['sandbox_gpio_alias'])
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self.assertNotIn('sandbox_gpio_alias2', scan._driver_aliases)
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def test_additional(self):
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"""Test with additional drivers to scan"""
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scan = src_scan.Scanner(
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None, True, [None, '', 'tools/dtoc/dtoc_test_scan_drivers.cxx'])
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scan.scan_drivers()
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self.assertIn('sandbox_gpio_alias2', scan._driver_aliases)
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self.assertEqual('sandbox_gpio',
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scan._driver_aliases['sandbox_gpio_alias2'])
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def test_unicode_error(self):
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"""Test running dtoc with an invalid unicode file
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To be able to perform this test without adding a weird text file which
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would produce issues when using checkpatch.pl or patman, generate the
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file at runtime and then process it.
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"""
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driver_fn = '/tmp/' + next(tempfile._get_candidate_names())
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with open(driver_fn, 'wb+') as fout:
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fout.write(b'\x81')
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scan = src_scan.Scanner(None, True, [driver_fn])
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with test_util.capture_sys_output() as (stdout, _):
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scan.scan_drivers()
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self.assertRegex(stdout.getvalue(),
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r"Skipping file '.*' due to unicode error\s*")
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def test_driver(self):
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"""Test the Driver class"""
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drv1 = src_scan.Driver('fred')
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drv2 = src_scan.Driver('mary')
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drv3 = src_scan.Driver('fred')
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self.assertEqual("Driver(name='fred')", str(drv1))
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self.assertEqual(drv1, drv3)
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self.assertNotEqual(drv1, drv2)
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self.assertNotEqual(drv2, drv3)
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def test_scan_dirs(self):
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"""Test scanning of source directories"""
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def add_file(fname):
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pathname = os.path.join(indir, fname)
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dirname = os.path.dirname(pathname)
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os.makedirs(dirname, exist_ok=True)
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tools.WriteFile(pathname, '', binary=False)
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fname_list.append(pathname)
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try:
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indir = tempfile.mkdtemp(prefix='dtoc.')
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fname_list = []
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add_file('fname.c')
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add_file('dir/fname2.c')
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# Mock out scan_driver and check that it is called with the
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# expected files
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with mock.patch.object(src_scan.Scanner, "scan_driver") as mocked:
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scan = src_scan.Scanner(indir, True, None)
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scan.scan_drivers()
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self.assertEqual(2, len(mocked.mock_calls))
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self.assertEqual(mock.call(fname_list[0]),
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mocked.mock_calls[0])
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self.assertEqual(mock.call(fname_list[1]),
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mocked.mock_calls[1])
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finally:
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shutil.rmtree(indir)
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