def test_remove_last_line_from_file(self):
eternal_process = EternalProcess()
path = os.getcwd() + '/Twitter_Utils/data/tweets/base_tweets_for_tests/base_tweets_for_tests.txt'
count_1 = 0
with open(path, 'r') as reader:
for _ in reader:
count_1 += 1
reader.close()
self.assertIs(True, eternal_process.remove_last_line_from_file(path))
count_2 = 0
with open(path, 'r') as reader:
for _ in reader:
count_2 += 1
reader.close()
self.assertEqual(count_1-1, count_2)
def test_remove_last_line_from_file_raises_ioerror(self):
eternal_process = EternalProcess()
path = os.getcwd() + '/Twitter_Utils/data/tweets/not_a_real_path/not_a_real_path.txt'
self.assertIs(False, eternal_process.remove_last_line_from_file(path))
