def test_orthogonal_horizontal_undo(revert_undo, undo_fixture):
"""Test orthogonal line constraints bug (#107).
"""
canvas = Canvas()
line = Line()
canvas.add(line)
assert not line.horizontal
assert len(canvas.solver._constraints) == 0
segment = Segment(line, None)
segment.split_segment(0)
line.orthogonal = True
assert 2 == len(canvas.solver._constraints)
del undo_fixture[2][:] # Clear undo_list
line.horizontal = True
assert 2 == len(canvas.solver._constraints)
undo_fixture[0]() # Call undo
assert not line.horizontal
assert 2 == len(canvas.solver._constraints)
line.horizontal = True
assert line.horizontal
assert 2 == len(canvas.solver._constraints)
def test_orthogonal_line_undo(revert_undo, undo_fixture):
"""Test orthogonal line undo.
"""
canvas = Canvas()
line = Line()
canvas.add(line)
segment = Segment(line, None)
segment.split_segment(0)
# Start with no orthogonal constraints
assert len(canvas.solver._constraints) == 0
line.orthogonal = True
# Check orthogonal constraints
assert 2 == len(canvas.solver._constraints)
assert 3 == len(line.handles())
undo_fixture[0]() # Call undo
assert not line.orthogonal
assert 0 == len(canvas.solver._constraints)
assert 2 == len(line.handles())
def test_orthogonal_horizontal_undo(self):
"""Test orthogonal line constraints bug (#107)
"""
canvas = Canvas()
line = Line()
canvas.add(line)
assert not line.horizontal
assert len(canvas.solver._constraints) == 0
segment = Segment(line, None)
segment.split_segment(0)
line.orthogonal = True
self.assertEqual(2, len(canvas.solver._constraints))
after_ortho = set(canvas.solver._constraints)
del undo_list[:]
line.horizontal = True
self.assertEqual(2, len(canvas.solver._constraints))
undo()
self.assertFalse(line.horizontal)
self.assertEqual(2, len(canvas.solver._constraints))
line.horizontal = True
self.assertTrue(line.horizontal)
self.assertEqual(2, len(canvas.solver._constraints))
def test_orthogonal_horizontal_undo(self):
"""Test orthogonal line constraints bug (#107)
"""
canvas = Canvas()
line = Line()
canvas.add(line)
assert not line.horizontal
assert len(canvas.solver._constraints) == 0
segment = Segment(line, None)
segment.split_segment(0)
line.orthogonal = True
self.assertEquals(2, len(canvas.solver._constraints))
after_ortho = set(canvas.solver._constraints)
del undo_list[:]
line.horizontal = True
self.assertEquals(2, len(canvas.solver._constraints))
undo()
self.assertFalse(line.horizontal)
self.assertEquals(2, len(canvas.solver._constraints))
line.horizontal = True
self.assertTrue(line.horizontal)
self.assertEquals(2, len(canvas.solver._constraints))
def test_orthogonal_horizontal_undo(self):
canvas = Canvas()
line = Line()
canvas.add(line)
assert len(canvas.solver._constraints) == 0
line.orthogonal = True
assert len(canvas.solver._constraints) == 2
after_ortho = set(canvas.solver._constraints)
del undo_list[:]
line.horizontal = True
assert len(canvas.solver._constraints) == 2
undo()
assert not line.horizontal
assert len(canvas.solver._constraints) == 2, canvas.solver._constraints
line.horizontal = True
assert line.horizontal
assert len(canvas.solver._constraints) == 2, canvas.solver._constraints
def test_orthogonal_line_split_segment(self):
canvas = Canvas()
line = Line()
canvas.add(line)
assert len(canvas.solver._constraints) == 0
line.orthogonal = True
assert len(canvas.solver._constraints) == 2
after_ortho = set(canvas.solver._constraints)
assert len(line.handles()) == 3
del undo_list[:]
line.split_segment(0)
assert len(canvas.solver._constraints) == 3
assert len(line.handles()) == 4
undo()
assert len(canvas.solver._constraints) == 2
assert len(line.handles()) == 3
assert canvas.solver._constraints == after_ortho
line.split_segment(0)
assert len(canvas.solver._constraints) == 3
assert len(line.handles()) == 4
after_split = set(canvas.solver._constraints)
del undo_list[:]
line.merge_segment(0)
assert len(canvas.solver._constraints) == 2
assert len(line.handles()) == 3
undo()
assert len(canvas.solver._constraints) == 3
assert len(line.handles()) == 4
assert canvas.solver._constraints == after_split
def test_line_guide(self):
c = Canvas()
l = Line()
c.add(l)
l.handles().append(l._create_handle((20, 20)))
l.handles().append(l._create_handle((30, 30)))
l.handles().append(l._create_handle((40, 40)))
l.orthogonal = True
c.update_now()
guides = list(Guide(l).horizontal())
self.assertEquals(2, len(guides))
self.assertEquals(10.0, guides[0])
self.assertEquals(40.0, guides[1])
guides = list(Guide(l).vertical())
self.assertEquals(2, len(guides))
self.assertEquals(00.0, guides[0])
self.assertEquals(20.0, guides[1])
def test_line_guide(self):
c = Canvas()
l = Line()
c.add(l)
l.handles().append(l._create_handle((20, 20)))
l.handles().append(l._create_handle((30, 30)))
l.handles().append(l._create_handle((40, 40)))
l.orthogonal = True
c.update_now()
guides = list(Guide(l).horizontal())
self.assertEquals(2, len(guides))
self.assertEquals(10.0, guides[0])
self.assertEquals(40.0, guides[1])
guides = list(Guide(l).vertical())
self.assertEquals(2, len(guides))
self.assertEquals(00.0, guides[0])
self.assertEquals(20.0, guides[1])
def test_orthogonal_line_undo(self):
"""Test orthogonal line undo
"""
canvas = Canvas()
line = Line()
canvas.add(line)
segment = Segment(line, None)
segment.split_segment(0)
# start with no orthogonal constraints
assert len(canvas.solver._constraints) == 0
line.orthogonal = True
# check orthogonal constraints
self.assertEqual(2, len(canvas.solver._constraints))
self.assertEqual(3, len(line.handles()))
undo()
self.assertFalse(line.orthogonal)
self.assertEqual(0, len(canvas.solver._constraints))
self.assertEqual(2, len(line.handles()))
def test_orthogonal_line_undo(self):
"""Test orthogonal line undo
"""
canvas = Canvas()
line = Line()
canvas.add(line)
segment = Segment(line, None)
segment.split_segment(0)
# start with no orthogonal constraints
assert len(canvas.solver._constraints) == 0
line.orthogonal = True
# check orthogonal constraints
self.assertEquals(2, len(canvas.solver._constraints))
self.assertEquals(3, len(line.handles()))
undo()
self.assertFalse(line.orthogonal)
self.assertEquals(0, len(canvas.solver._constraints))
self.assertEquals(2, len(line.handles()))
