rope_py3k / ropetest / contrib / changestacktest.py

import unittest

import rope.base.history
import rope.contrib.changestack
from rope.base.change import *
from ropetest import testutils


class ChangeStackTest(unittest.TestCase):

    def setUp(self):
        super(ChangeStackTest, self).setUp()
        self.project = testutils.sample_project()

    def tearDown(self):
        testutils.remove_project(self.project)
        super(ChangeStackTest, self).tearDown()

    def test_change_stack(self):
        myfile = self.project.root.create_file('myfile.txt')
        myfile.write('1')
        stack = rope.contrib.changestack.ChangeStack(self.project)
        stack.push(ChangeContents(myfile, '2'))
        self.assertEquals('2', myfile.read())
        stack.push(ChangeContents(myfile, '3'))
        self.assertEquals('3', myfile.read())
        stack.pop_all()
        self.assertEquals('1', myfile.read())
        changes = stack.merged()
        self.project.do(changes)
        self.assertEquals('3', myfile.read())


if __name__ == '__main__':
    unittest.main()
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