def testIgnoreAll(self, tasks, depfile_name):
        output = StringIO()
        cmd = CmdFactory(Ignore, outstream=output, dep_file=depfile_name,
                         backend='dbm', task_list=tasks)
        cmd._execute([])
        got = output.getvalue().split("\n")[:-1]
        assert ["You cant ignore all tasks! Please select a task."] == got, got
        dep = Dependency(DbmDB, depfile_name)
        for task in tasks:
            assert None == dep._get(task.name, "ignore:")
dataset/ETHPy150Open pydoit/doit/tests/test_cmd_ignore.py/TestCmdIgnore.testIgnoreAll/original