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import pytest
from gaphas.connections import Connections
from gaphas.connector import Handle
from gaphas.guide import Guide, GuidedItemMove, find_closest
from gaphas.item import Element, Line
from gaphas.solver import WEAK
@pytest.fixture
def line(canvas, connections):
line = Line(connections)
canvas.add(line)
return line
def test_find_closest(view, connections):
"""Test find closest method."""
set1 = [0, 10, 20]
set2 = [2, 15, 30]
d, closest = find_closest(set1, set2)
assert 2.0 == d
assert [2.0] == closest
def test_element_guide():
e1 = Element(Connections())
assert 10 == e1.width
assert 10 == e1.height
guides = list(Guide(e1).horizontal())
assert 0.0 == guides[0]
assert 5.0 == guides[1]
assert 10.0 == guides[2]
guides = list(Guide(e1).vertical())
assert 0.0 == guides[0]
assert 5.0 == guides[1]
assert 10.0 == guides[2]
def test_line_guide(line, canvas):
line.handles().append(Handle((20, 20), strength=WEAK))
line.handles().append(Handle((30, 30), strength=WEAK))
line.handles().append(Handle((40, 40), strength=WEAK))
line.orthogonal = True
canvas.update_now((line,))
guides = list(Guide(line).horizontal())
assert len(line.handles()) == len(guides)
assert 0.0 == guides[0]
assert 10.0 == guides[1]
assert 10.0 == guides[2]
assert 40.0 == guides[3]
guides = list(Guide(line).vertical())
assert len(line.handles()) == len(guides)
assert 10.0 == guides[0]
assert 10.0 == guides[1]
assert 30.0 == guides[2]
assert 30.0 == guides[3]
def test_line_guide_horizontal(line, canvas):
line.handles().append(Handle((20, 20)))
line.handles().append(Handle((30, 30)))
line.handles().append(Handle((40, 40)))
line.horizontal = True
line.orthogonal = True
canvas.update_now((line,))
guides = list(Guide(line).horizontal())
assert len(line.handles()) == len(guides)
assert 10.0 == guides[0]
assert 10.0 == guides[1]
assert 30.0 == guides[2]
@pytest.mark.asyncio
async def test_guide_item_in_motion(connections, canvas, view, window):
e1 = Element(connections)
e2 = Element(connections)
e3 = Element(connections)
canvas.add(e1)
canvas.add(e2)
canvas.add(e3)
assert 0 == e1.matrix[4]
assert 0 == e1.matrix[5]
e2.matrix.translate(40, 40)
canvas.request_update(e2)
await view.update()
assert 40 == e2.matrix[4]
assert 40 == e2.matrix[5]
guider = GuidedItemMove(e3, view)
guider.start_move((0, 0))
assert 0 == e3.matrix[4]
assert 0 == e3.matrix[5]
# Moved back to guided lines:
for d in range(3):
guider.move((d, d))
assert 0 == e3.matrix[4]
assert 0 == e3.matrix[5]
guider.move((20, 20))
assert 20 == e3.matrix[4]
assert 20 == e3.matrix[5]
@pytest.mark.asyncio
async def test_guide_item_in_motion_2(connections, canvas, view):
e1 = Element(connections)
e2 = Element(connections)
e3 = Element(connections)
canvas.add(e1)
canvas.add(e2)
canvas.add(e3)
assert 0 == e1.matrix[4]
assert 0 == e1.matrix[5]
e2.matrix.translate(40, 40)
canvas.request_update(e2)
await view.update()
assert 40 == e2.matrix[4]
assert 40 == e2.matrix[5]
guider = GuidedItemMove(e3, view)
guider.start_move((3, 3))
assert 0 == e3.matrix[4]
assert 0 == e3.matrix[5]
# Moved back to guided lines:
for y in range(4, 6):
guider.move((3, y))
assert 0 == e3.matrix[4]
assert 0 == e3.matrix[5]
# Take into account initial cursor offset of (3, 3)
guider.move((20, 23))
assert 17 == e3.matrix[4]
assert 20 == e3.matrix[5]
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