import unittest
import rope.base.history
from rope.base import exceptions
from rope.base.change import *
from ropetest import testutils
class HistoryTest(unittest.TestCase):
def setUp(self):
super(HistoryTest, self).setUp()
self.project = testutils.sample_project()
self.history = self.project.history
def tearDown(self):
testutils.remove_project(self.project)
super(HistoryTest, self).tearDown()
def test_undoing_writes(self):
my_file = self.project.root.create_file('my_file.txt')
my_file.write('text1')
self.history.undo()
self.assertEquals('', my_file.read())
def test_moving_files(self):
my_file = self.project.root.create_file('my_file.txt')
my_file.move('new_file.txt')
self.history.undo()
self.assertEquals('', my_file.read())
def test_moving_files_to_folders(self):
my_file = self.project.root.create_file('my_file.txt')
my_folder = self.project.root.create_folder('my_folder')
my_file.move(my_folder.path)
self.history.undo()
self.assertEquals('', my_file.read())
def test_writing_files_that_does_not_change_contents(self):
my_file = self.project.root.create_file('my_file.txt')
my_file.write('')
self.project.history.undo()
self.assertFalse(my_file.exists())
class IsolatedHistoryTest(unittest.TestCase):
def setUp(self):
super(IsolatedHistoryTest, self).setUp()
self.project = testutils.sample_project()
self.history = rope.base.history.History(self.project)
self.file1 = self.project.root.create_file('file1.txt')
self.file2 = self.project.root.create_file('file2.txt')
def tearDown(self):
testutils.remove_project(self.project)
super(IsolatedHistoryTest, self).tearDown()
def test_simple_undo(self):
change = ChangeContents(self.file1, '1')
self.history.do(change)
self.assertEquals('1', self.file1.read())
self.history.undo()
self.assertEquals('', self.file1.read())
def test_tobe_undone(self):
change1 = ChangeContents(self.file1, '1')
self.assertEquals(None, self.history.tobe_undone)
self.history.do(change1)
self.assertEquals(change1, self.history.tobe_undone)
change2 = ChangeContents(self.file1, '2')
self.history.do(change2)
self.assertEquals(change2, self.history.tobe_undone)
self.history.undo()
self.assertEquals(change1, self.history.tobe_undone)
def test_tobe_redone(self):
change = ChangeContents(self.file1, '1')
self.history.do(change)
self.assertEquals(None, self.history.tobe_redone)
self.history.undo()
self.assertEquals(change, self.history.tobe_redone)
@testutils.assert_raises(exceptions.HistoryError)
def test_undo_limit(self):
history = rope.base.history.History(self.project, maxundos=1)
history.do(ChangeContents(self.file1, '1'))
history.do(ChangeContents(self.file1, '2'))
try:
history.undo()
history.undo()
finally:
self.assertEquals('1', self.file1.read())
def test_simple_redo(self):
change = ChangeContents(self.file1, '1')
self.history.do(change)
self.history.undo()
self.history.redo()
self.assertEquals('1', self.file1.read())
def test_simple_re_undo(self):
change = ChangeContents(self.file1, '1')
self.history.do(change)
self.history.undo()
self.history.redo()
self.history.undo()
self.assertEquals('', self.file1.read())
def test_multiple_undos(self):
change = ChangeContents(self.file1, '1')
self.history.do(change)
change = ChangeContents(self.file1, '2')
self.history.do(change)
self.history.undo()
self.assertEquals('1', self.file1.read())
change = ChangeContents(self.file1, '3')
self.history.do(change)
self.history.undo()
self.assertEquals('1', self.file1.read())
self.history.redo()
self.assertEquals('3', self.file1.read())
@testutils.assert_raises(exceptions.HistoryError)
def test_undo_list_underflow(self):
self.history.undo()
@testutils.assert_raises(exceptions.HistoryError)
def test_redo_list_underflow(self):
self.history.redo()
@testutils.assert_raises(exceptions.HistoryError)
def test_dropping_undone_changes(self):
self.file1.write('1')
self.history.undo(drop=True)
self.history.redo()
def test_undoing_choosen_changes(self):
change = ChangeContents(self.file1, '1')
self.history.do(change)
self.history.undo(change)
self.assertEquals('', self.file1.read())
self.assertFalse(self.history.undo_list)
def test_undoing_choosen_changes2(self):
change1 = ChangeContents(self.file1, '1')
self.history.do(change1)
self.history.do(ChangeContents(self.file1, '2'))
self.history.undo(change1)
self.assertEquals('', self.file1.read())
self.assertFalse(self.history.undo_list)
def test_undoing_choosen_changes_not_undoing_others(self):
change1 = ChangeContents(self.file1, '1')
self.history.do(change1)
self.history.do(ChangeContents(self.file2, '2'))
self.history.undo(change1)
self.assertEquals('', self.file1.read())
self.assertEquals('2', self.file2.read())
def test_undoing_writing_after_moving(self):
change1 = ChangeContents(self.file1, '1')
self.history.do(change1)
self.history.do(MoveResource(self.file1, 'file3.txt'))
file3 = self.project.get_resource('file3.txt')
self.history.undo(change1)
self.assertEquals('', self.file1.read())
self.assertFalse(file3.exists())
def test_undoing_folder_movements_for_undoing_writes_inside_it(self):
folder = self.project.root.create_folder('folder')
file3 = folder.create_file('file3.txt')
change1 = ChangeContents(file3, '1')
self.history.do(change1)
self.history.do(MoveResource(folder, 'new_folder'))
new_folder = self.project.get_resource('new_folder')
self.history.undo(change1)
self.assertEquals('', file3.read())
self.assertFalse(new_folder.exists())
def test_undoing_changes_that_depend_on_a_dependant_change(self):
change1 = ChangeContents(self.file1, '1')
self.history.do(change1)
changes = ChangeSet('2nd change')
changes.add_change(ChangeContents(self.file1, '2'))
changes.add_change(ChangeContents(self.file2, '2'))
self.history.do(changes)
self.history.do(MoveResource(self.file2, 'file3.txt'))
file3 = self.project.get_resource('file3.txt')
self.history.undo(change1)
self.assertEquals('', self.file1.read())
self.assertEquals('', self.file2.read())
self.assertFalse(file3.exists())
def test_undoing_writes_for_undoing_folder_movements_containing_it(self):
folder = self.project.root.create_folder('folder')
old_file = folder.create_file('file3.txt')
change1 = MoveResource(folder, 'new_folder')
self.history.do(change1)
new_file = self.project.get_resource('new_folder/file3.txt')
self.history.do(ChangeContents(new_file, '1'))
self.history.undo(change1)
self.assertEquals('', old_file.read())
self.assertFalse(new_file.exists())
@testutils.assert_raises(exceptions.HistoryError)
def test_undoing_not_available_change(self):
change = ChangeContents(self.file1, '1')
self.history.undo(change)
def test_ignoring_ignored_resources(self):
self.project.set('ignored_resources', ['ignored*'])
ignored = self.project.get_file('ignored.txt')
change = CreateResource(ignored)
self.history.do(change)
self.assertTrue(ignored.exists())
self.assertEquals(0, len(self.history.undo_list))
def test_get_file_undo_list_simple(self):
change = ChangeContents(self.file1, '1')
self.history.do(change)
self.assertEquals(set([change]),
set(self.history.get_file_undo_list(self.file1)))
def test_get_file_undo_list_for_moves(self):
change = MoveResource(self.file1, 'file2.txt')
self.history.do(change)
self.assertEquals(set([change]),
set(self.history.get_file_undo_list(self.file1)))
# XXX: What happens for moves before the file is created?
def xxx_test_get_file_undo_list_and_moving_its_contining_folder(self):
folder = self.project.root.create_folder('folder')
old_file = folder.create_file('file3.txt')
change1 = MoveResource(folder, 'new_folder')
self.history.do(change1)
self.assertEquals(set([change1]),
set(self.history.get_file_undo_list(old_file)))
def test_clearing_redo_list_after_do(self):
change = ChangeContents(self.file1, '1')
self.history.do(change)
self.history.undo()
self.history.do(change)
self.assertEquals(0, len(self.history.redo_list))
@testutils.assert_raises(exceptions.HistoryError)
def test_undoing_a_not_yet_performed_change(self):
change = ChangeContents(self.file1, '1')
str(change)
change.undo()
def test_clearing_up_the_history(self):
change1 = ChangeContents(self.file1, '1')
change2 = ChangeContents(self.file1, '2')
self.history.do(change1)
self.history.do(change2)
self.history.undo()
self.history.clear()
self.assertEquals(0, len(self.history.undo_list))
self.assertEquals(0, len(self.history.redo_list))
def test_redoing_choosen_changes_not_undoing_others(self):
change1 = ChangeContents(self.file1, '1')
change2 = ChangeContents(self.file2, '2')
self.history.do(change1)
self.history.do(change2)
self.history.undo()
self.history.undo()
redone = self.history.redo(change2)
self.assertEquals([change2], redone)
self.assertEquals('', self.file1.read())
self.assertEquals('2', self.file2.read())
class SavingHistoryTest(unittest.TestCase):
def setUp(self):
super(SavingHistoryTest, self).setUp()
self.project = testutils.sample_project()
self.history = rope.base.history.History(self.project)
self.to_data = ChangeToData()
self.to_change = DataToChange(self.project)
def tearDown(self):
testutils.remove_project(self.project)
super(SavingHistoryTest, self).tearDown()
def test_simple_set_saving(self):
data = self.to_data(ChangeSet('testing'))
change = self.to_change(data)
self.assertEquals('testing', str(change))
def test_simple_change_content_saving(self):
myfile = self.project.get_file('myfile.txt')
myfile.create()
myfile.write('1')
data = self.to_data(ChangeContents(myfile, '2'))
change = self.to_change(data)
self.history.do(change)
self.assertEquals('2', myfile.read())
self.history.undo()
self.assertEquals('1', change.old_contents)
def test_move_resource_saving(self):
myfile = self.project.root.create_file('myfile.txt')
myfolder = self.project.root.create_folder('myfolder')
data = self.to_data(MoveResource(myfile, 'myfolder'))
change = self.to_change(data)
self.history.do(change)
self.assertFalse(myfile.exists())
self.assertTrue(myfolder.has_child('myfile.txt'))
self.history.undo()
self.assertTrue(myfile.exists())
self.assertFalse(myfolder.has_child('myfile.txt'))
def test_move_resource_saving_for_folders(self):
myfolder = self.project.root.create_folder('myfolder')
newfolder = self.project.get_folder('newfolder')
change = MoveResource(myfolder, 'newfolder')
self.history.do(change)
data = self.to_data(change)
change = self.to_change(data)
change.undo()
self.assertTrue(myfolder.exists())
self.assertFalse(newfolder.exists())
def test_create_file_saving(self):
myfile = self.project.get_file('myfile.txt')
data = self.to_data(CreateFile(self.project.root, 'myfile.txt'))
change = self.to_change(data)
self.history.do(change)
self.assertTrue(myfile.exists())
self.history.undo()
self.assertFalse(myfile.exists())
def test_create_folder_saving(self):
myfolder = self.project.get_folder('myfolder')
data = self.to_data(CreateFolder(self.project.root, 'myfolder'))
change = self.to_change(data)
self.history.do(change)
self.assertTrue(myfolder.exists())
self.history.undo()
self.assertFalse(myfolder.exists())
def test_create_resource_saving(self):
myfile = self.project.get_file('myfile.txt')
data = self.to_data(CreateResource(myfile))
change = self.to_change(data)
self.history.do(change)
self.assertTrue(myfile.exists())
self.history.undo()
self.assertFalse(myfile.exists())
def test_remove_resource_saving(self):
myfile = self.project.root.create_file('myfile.txt')
data = self.to_data(RemoveResource(myfile))
change = self.to_change(data)
self.history.do(change)
self.assertFalse(myfile.exists())
def test_change_set_saving(self):
change = ChangeSet('testing')
myfile = self.project.get_file('myfile.txt')
change.add_change(CreateResource(myfile))
change.add_change(ChangeContents(myfile, '1'))
data = self.to_data(change)
change = self.to_change(data)
self.history.do(change)
self.assertEquals('1', myfile.read())
self.history.undo()
self.assertFalse(myfile.exists())
def test_writing_and_reading_history(self):
history_file = self.project.get_file('history.pickle')
self.project.set('save_history', True)
history = rope.base.history.History(self.project)
myfile = self.project.get_file('myfile.txt')
history.do(CreateResource(myfile))
history.write()
history = rope.base.history.History(self.project)
history.undo()
self.assertFalse(myfile.exists())
def test_writing_and_reading_history2(self):
history_file = self.project.get_file('history.pickle')
self.project.set('save_history', True)
history = rope.base.history.History(self.project)
myfile = self.project.get_file('myfile.txt')
history.do(CreateResource(myfile))
history.undo()
history.write()
history = rope.base.history.History(self.project)
history.redo()
self.assertTrue(myfile.exists())
def suite():
result = unittest.TestSuite()
result.addTests(unittest.makeSuite(HistoryTest))
result.addTests(unittest.makeSuite(IsolatedHistoryTest))
result.addTests(unittest.makeSuite(SavingHistoryTest))
return result
if __name__ == '__main__':
unittest.main()
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