test_linecache.py 文件源码

python
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项目:python2-tracer 作者: extremecoders-re 项目源码 文件源码
def test_getline(self):
        getline = linecache.getline

        # Bad values for line number should return an empty string
        self.assertEqual(getline(FILENAME, 2**15), EMPTY)
        self.assertEqual(getline(FILENAME, -1), EMPTY)

        # Float values currently raise TypeError, should it?
        self.assertRaises(TypeError, getline, FILENAME, 1.1)

        # Bad filenames should return an empty string
        self.assertEqual(getline(EMPTY, 1), EMPTY)
        self.assertEqual(getline(INVALID_NAME, 1), EMPTY)

        # Check whether lines correspond to those from file iteration
        for entry in TESTS:
            filename = os.path.join(TEST_PATH, entry) + '.py'
            for index, line in enumerate(open(filename)):
                self.assertEqual(line, getline(filename, index + 1))

        # Check module loading
        for entry in MODULES:
            filename = os.path.join(MODULE_PATH, entry) + '.py'
            for index, line in enumerate(open(filename)):
                self.assertEqual(line, getline(filename, index + 1))

        # Check that bogus data isn't returned (issue #1309567)
        empty = linecache.getlines('a/b/c/__init__.py')
        self.assertEqual(empty, [])
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