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POCreating Unit tests for methods with global variables
 

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    <p>I have a program that uses a number of global variables and I was hoping to write a few unit tests for some of the methods in the program. </p> <p>I was new to python when I started writing the code, and realise now that I should have been testing all along. Some of the methods in the program are as follows:</p> <pre><code>class Wordnet(): def __init__(self): self.graph = Graph() self.before_at = '' self.after_at = '' self.word_part = '' self.gloss_part = '' self.lex_filenum = '' def process_file(self): self.file = open("testing_line.txt", "r") return self.file def line_for_loop(self, file): for line in file: self.split_pointer_part(line) self.split_word_part(line) self.split_gloss_part(line) self.process_lex_filenum(self.word_part) def split_pointer_part(self, line): self.before_at, self.after_at = line.split('@', 1) return self.before_at, self.after_at def split_word_part(self, line): self.word_part = line.split() return self.word_part def split_gloss_part(self, line): self.gloss_part = line.strip().split('|') return self.gloss_part def process_lex_filenum(self, word_part): self.lex_filenum = word_part[1] return self.lex_filenum if __name__ == '__main__': wordnet = Wordnet() my_file = wordnet.process_file() wordnet.line_for_loop(my_file) </code></pre> <p>What is confusing me is how to variables are passing through to the test class and how I go about writing the testing methods. So far this is what I have:</p> <pre><code>class WordnetTestCase(unittest.TestCase): def setUp(self): self.wn = wordnet.Wordnet() self.graph = wordnet.Graph() self.before_at = wordnet.before_at self.after_at = wordnet.after_at self.word_part = wordnet.word_part self.gloss_part = wordnet.gloss_part self.lex_filenum = wordnet.lex_filenum def test_split_pointer_part(line): expected = '13797906 23 n 04 flood 0 inundation 0 deluge 0 torrent 0 005',' 13796604 n 0000 + 00603894 a 0401 + 00753137 v 0302 + 01527311 v 0203 + 02361703 v 0101 | an overwhelming number or amount; "a flood of requests"; "a torrent of abuse"' real = self.wn.split_pointer_part() self.assertEqual(real, expected) if __name__ == '__main__': unittest.main() raw_input("Press &lt;ENTER&gt; to exit") </code></pre> <p>This does not work at the moment and I know I am not doing it the right way but just can't find any specific help for this problem!</p>
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