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37 lines
1.2 KiB
Python
37 lines
1.2 KiB
Python
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#!/usr/bin/env python3
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#
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# Copyright (c) 2016, Facebook, Inc.
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# All rights reserved.
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#
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# This source code is licensed under the BSD-style license found in the
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# LICENSE file in the root directory of this source tree. An additional grant
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# of patent rights can be found in the PATENTS file in the same directory.
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from .lib import testcase
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import os
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import stat
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import subprocess
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class SedTest(testcase.EdenTestCase):
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def test_sed(self):
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eden = self.init_git_eden()
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filename = os.path.join(eden.mount_path, 'sedme')
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with open(filename, 'w') as f:
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f.write('foo\n')
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before_st = os.lstat(filename)
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self.assertTrue(stat.S_ISREG(before_st.st_mode))
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subprocess.check_call(['sed', '-i', '-e', 's/foo/bar/', filename])
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after_st = os.lstat(filename)
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self.assertNotEqual(after_st.st_ino, before_st.st_ino,
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msg='renamed file has a new inode number')
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self.assertEqual(4, after_st.st_size)
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with open(filename, 'r') as f:
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file_st = os.fstat(f.fileno())
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self.assertEqual(after_st.st_ino, file_st.st_ino)
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self.assertEqual('bar\n', f.read())
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