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_item_removal(self):
canvas = Canvas()
view = GtkView(canvas)
window = Gtk.Window.new(Gtk.WindowType.TOPLEVEL)
window.add(view)
window.show_all()
box = Box()
canvas.add(box)
# No gtk main loop, so updates occur instantly
assert not canvas.require_update()
# Process pending (expose) events, which cause the canvas to be drawn.
while Gtk.events_pending():
Gtk.main_iteration()
assert len(canvas.get_all_items()) == len(view._qtree)
view.focused_item = box
canvas.remove(box)
assert len(canvas.get_all_items()) == 0
assert len(view._qtree) == 0
window.destroy()
def test_get_item_at_point(self):
"""
Hover tool only reacts on motion-notify events
"""
canvas = Canvas()
view = GtkView(canvas)
window = Gtk.Window.new(Gtk.WindowType.TOPLEVEL)
window.add(view)
window.show_all()
box = Box()
canvas.add(box)
# No gtk main loop, so updates occur instantly
assert not canvas.require_update()
box.width = 50
box.height = 50
# Process pending (expose) events, which cause the canvas to be drawn.
while Gtk.events_pending():
Gtk.main_iteration()
assert len(view._qtree._ids) == 1
assert not view._qtree._bucket.bounds == (
0, 0, 0, 0), view._qtree._bucket.bounds
assert view.get_item_at_point((10, 10)) is box
assert view.get_item_at_point((60, 10)) is None
window.destroy()
def __init__(self):
self.canvas = Canvas()
self.box1 = Box()
self.canvas.add(self.box1)
self.box1.matrix.translate(100, 50)
self.box1.width = 40
self.box1.height = 40
self.box1.request_update()
self.box2 = Box()
self.canvas.add(self.box2)
self.box2.matrix.translate(100, 150)
self.box2.width = 50
self.box2.height = 50
self.box2.request_update()
self.line = Line()
self.head = self.line.handles()[0]
self.tail = self.line.handles()[-1]
self.tail.pos = 100, 100
self.canvas.add(self.line)
self.canvas.update_now()
self.view = GtkView()
self.view.canvas = self.canvas
self.win = Gtk.Window()
self.win.add(self.view)
self.view.show()
self.view.update()
self.win.show()
self.tool = ConnectHandleTool(self.view)
def test_reparent():
c = Canvas()
b1 = Box()
b2 = Box()
c.add(b1)
c.add(b2, b1)
c.reparent(b2, None)
def test_association_end_updates(self):
"""Test association end navigability connected to a class"""
from gaphas.canvas import Canvas
canvas = Canvas()
c1 = self.create(ClassItem, UML.Class)
c2 = self.create(ClassItem, UML.Class)
a = self.create(AssociationItem)
self.connect(a, a.head, c1)
c = self.get_connected(a.head)
self.assertTrue(c is c1)
self.connect(a, a.tail, c2)
c = self.get_connected(a.tail)
self.assertTrue(c is c2)
assert a.subject.memberEnd, a.subject.memberEnd
assert a.subject.memberEnd[0] is a.head_end.subject
assert a.subject.memberEnd[1] is a.tail_end.subject
assert a.subject.memberEnd[0].name is None
dispatcher = self.get_service("element_dispatcher")
a.subject.memberEnd[0].name = "blah"
self.diagram.canvas.update()
assert a.head_end._name == "+ blah", a.head_end.get_name()
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_minimal_se(self):
"""
Test resizing of element by dragging it SE handle.
"""
canvas = Canvas()
box = Box()
handles = box.handles()
canvas.add(box)
h_nw, h_ne, h_se, h_sw = handles
assert h_nw is handles[NW]
assert h_ne is handles[NE]
assert h_sw is handles[SW]
assert h_se is handles[SE]
h_se.pos.x -= 20 # h.se.{x,y} == -10
h_se.pos.y -= 20
assert h_se.pos.x == h_se.pos.y == -10
box.request_update()
canvas.update()
self.assertEqual(10, h_se.pos.x) # h_se changed above, should be 10
self.assertEqual(10, h_se.pos.y)
self.assertEqual(10, h_ne.pos.x)
self.assertEqual(10, h_sw.pos.y)
def test_association_end_updates(self):
"""Test association end navigability connected to a class"""
from gaphas.canvas import Canvas
canvas = Canvas()
c1 = self.create(ClassItem, uml2.Class)
c2 = self.create(ClassItem, uml2.Class)
a = self.create(AssociationItem)
self.connect(a, a.head, c1)
c = self.get_connected(a.head)
self.assertTrue(c is c1)
self.connect(a, a.tail, c2)
c = self.get_connected(a.tail)
self.assertTrue(c is c2)
assert a.subject.memberEnd, a.subject.memberEnd
assert a.subject.memberEnd[0] is a.head_end.subject
assert a.subject.memberEnd[1] is a.tail_end.subject
assert a.subject.memberEnd[0].name is None
dispatcher = self.get_service('element_dispatcher')
print((a.subject.memberEnd[0], uml2.Property.name) in dispatcher._handlers)
print('*' * 60)
a.subject.memberEnd[0].name = 'blah'
print('*' * 60)
self.diagram.canvas.update()
assert a.head_end._name == '+ blah', a.head_end.get_name()
def test_disconnect_item_by_deleting_element():
b1 = Box()
b2 = Box()
line = Line()
c = Canvas()
c.add(b1)
c.add(b2)
c.add(line)
events = []
def callback():
events.append("called")
c.connect_item(line,
line.handles()[0],
b1,
b1.ports()[0],
callback=callback)
assert count(c.get_connections(handle=line.handles()[0])) == 1
c.remove(b1)
assert count(c.get_connections(handle=line.handles()[0])) == 0
assert events == ["called"]
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_view_registration_2(self):
"""
Test view registration and destroy when view is destroyed.
"""
canvas = Canvas()
view = GtkView(canvas)
window = Gtk.Window.new(Gtk.WindowType.TOPLEVEL)
window.add(view)
window.show_all()
box = Box()
canvas.add(box)
assert hasattr(box, '_matrix_i2v')
assert hasattr(box, '_matrix_v2i')
assert box._matrix_i2v[view]
assert box._matrix_v2i[view]
assert len(canvas._registered_views) == 1
assert view in canvas._registered_views
window.destroy()
assert len(canvas._registered_views) == 0
assert view not in box._matrix_i2v
assert view not in box._matrix_v2i
def testUndoOnDeletedElement(self):
b1 = Box()
b2 = Box()
line = Line()
canvas = Canvas()
canvas.add(b1)
self.assertEqual(2, len(canvas.solver.constraints))
canvas.add(b2)
self.assertEqual(4, len(canvas.solver.constraints))
canvas.add(line)
sink = ConnectionSink(b1, b1.ports()[0])
connector = Connector(line, line.handles()[0])
connector.connect(sink)
sink = ConnectionSink(b2, b2.ports()[0])
connector = Connector(line, line.handles()[-1])
connector.connect(sink)
self.assertEqual(6, len(canvas.solver.constraints))
self.assertEqual(2, len(list(canvas.get_connections(item=line))))
del undo_list[:]
# Here disconnect is not invoked!
canvas.remove(b2)
self.assertEqual(3, len(canvas.solver.constraints))
self.assertEqual(1, len(list(canvas.get_connections(item=line))))
cinfo = canvas.get_connection(line.handles()[0])
self.assertEqual(b1, cinfo.connected)
cinfo = canvas.get_connection(line.handles()[-1])
self.assertEqual(None, cinfo)
self.assertEqual([],
list(
canvas.solver.constraints_with_variable(
line.handles()[-1].pos.x)))
self.assertEqual([],
list(
canvas.solver.constraints_with_variable(
line.handles()[-1].pos.y)))
undo()
self.assertEqual(6, len(canvas.solver.constraints))
self.assertEqual(2, len(list(canvas.get_connections(item=line))))
cinfo = canvas.get_connection(line.handles()[0])
self.assertEqual(b1, cinfo.connected)
cinfo = canvas.get_connection(line.handles()[-1])
self.assertEqual(b2, cinfo.connected)
def test_scroll_adjustments(self):
sc = gtk.ScrolledWindow()
view = GtkView(Canvas())
sc.add(view)
print sc.get_hadjustment(), view.hadjustment
assert sc.get_hadjustment() is view.hadjustment
assert sc.get_vadjustment() is view.vadjustment
def test_scroll_adjustments_signal(self):
def handler(self, hadj, vadj):
self.handled = True
sc = gtk.ScrolledWindow()
view = GtkView(Canvas())
view.connect('set-scroll-adjustments', handler)
sc.add(view)
assert view.handled
def test_undo_on_delete_element(revert_undo, undo_fixture):
b1 = Box()
b2 = Box()
line = Line()
canvas = Canvas()
canvas.add(b1)
assert 2 == len(canvas.solver.constraints)
canvas.add(b2)
assert 4 == len(canvas.solver.constraints)
canvas.add(line)
sink = ConnectionSink(b1, b1.ports()[0])
connector = Connector(line, line.handles()[0])
connector.connect(sink)
sink = ConnectionSink(b2, b2.ports()[0])
connector = Connector(line, line.handles()[-1])
connector.connect(sink)
assert 6 == len(canvas.solver.constraints)
assert 2 == len(list(canvas.get_connections(item=line)))
del undo_fixture[2][:] # Clear undo_list
# Here disconnect is not invoked!
canvas.remove(b2)
assert 3 == len(canvas.solver.constraints)
assert 1 == len(list(canvas.get_connections(item=line)))
cinfo = canvas.get_connection(line.handles()[0])
assert b1 == cinfo.connected
cinfo = canvas.get_connection(line.handles()[-1])
assert cinfo is None
assert [] == list(
canvas.solver.constraints_with_variable(line.handles()[-1].pos.x))
assert [] == list(
canvas.solver.constraints_with_variable(line.handles()[-1].pos.y))
undo_fixture[0]() # Call undo
assert 6 == len(canvas.solver.constraints)
assert 2 == len(list(canvas.get_connections(item=line)))
cinfo = canvas.get_connection(line.handles()[0])
assert b1 == cinfo.connected
cinfo = canvas.get_connection(line.handles()[-1])
assert b2 == cinfo.connected
def __init__(self):
self.canvas = Canvas()
self.view = GtkView(self.canvas)
self.window = Gtk.Window()
self.window.add(self.view)
self.window.show_all()
self.line = Line()
self.canvas.add(self.line)
self.e1 = Element()
self.e2 = Element()
self.e3 = Element()
def test_update_matrices():
"""Test updating of matrices"""
c = Canvas()
i = Box()
ii = Box()
c.add(i)
c.add(ii, i)
i.matrix = (1.0, 0.0, 0.0, 1.0, 5.0, 0.0)
ii.matrix = (1.0, 0.0, 0.0, 1.0, 0.0, 8.0)
updated = c.update_matrices([i])
assert i._matrix_i2c == cairo.Matrix(1, 0, 0, 1, 5, 0)
assert ii._matrix_i2c == cairo.Matrix(1, 0, 0, 1, 5, 8)
def test_update_matrices(self):
"""Test updating of matrices"""
c = Canvas()
i = Box()
ii = Box()
c.add(i)
c.add(ii, i)
i.matrix = (1.0, 0.0, 0.0, 1.0, 5.0, 0.0)
ii.matrix = (1.0, 0.0, 0.0, 1.0, 0.0, 8.0)
updated = c.update_matrices([i])
self.assertEquals(i._matrix_i2c, cairo.Matrix(1, 0, 0, 1, 5, 0))
self.assertEquals(ii._matrix_i2c, cairo.Matrix(1, 0, 0, 1, 5, 8))
def __init__(self):
self.canvas = Canvas()
self.view = GtkView(self.canvas)
self.window = Gtk.Window.new(Gtk.WindowType.TOPLEVEL)
self.window.add(self.view)
self.window.show_all()
self.box = Box()
self.canvas.add(self.box)
# No gtk main loop, so updates occur instantly
assert not self.canvas.require_update()
# Process pending (expose) events, which cause the canvas to be drawn.
while Gtk.events_pending():
Gtk.main_iteration()
def test_connect_item():
b1 = Box()
b2 = Box()
line = Line()
c = Canvas()
c.add(b1)
c.add(b2)
c.add(line)
c.connect_item(line, line.handles()[0], b1, b1.ports()[0])
assert count(c.get_connections(handle=line.handles()[0])) == 1
# Add the same
with pytest.raises(ConnectionError):
c.connect_item(line, line.handles()[0], b1, b1.ports()[0])
assert count(c.get_connections(handle=line.handles()[0])) == 1
def test_bounding_box_calculations(self):
"""
A view created before and after the canvas is populated should contain
the same data.
"""
canvas = Canvas()
window1 = Gtk.Window.new(Gtk.WindowType.TOPLEVEL)
view1 = GtkView(canvas=canvas)
window1.add(view1)
view1.realize()
window1.show_all()
box = Box()
box.matrix = (1.0, 0.0, 0.0, 1, 10, 10)
canvas.add(box)
line = Line()
line.fyzzyness = 1
line.handles()[1].pos = (30, 30)
#line.split_segment(0, 3)
line.matrix.translate(30, 60)
canvas.add(line)
window2 = Gtk.Window.new(Gtk.WindowType.TOPLEVEL)
view2 = GtkView(canvas=canvas)
window2.add(view2)
window2.show_all()
# Process pending (expose) events, which cause the canvas to be drawn.
while Gtk.events_pending():
Gtk.main_iteration()
try:
assert view2.get_item_bounding_box(box)
assert view1.get_item_bounding_box(box)
assert view1.get_item_bounding_box(
box) == view2.get_item_bounding_box(
box), '%s != %s' % (view1.get_item_bounding_box(box),
view2.get_item_bounding_box(box))
assert view1.get_item_bounding_box(
line) == view2.get_item_bounding_box(
line), '%s != %s' % (view1.get_item_bounding_box(line),
view2.get_item_bounding_box(line))
finally:
window1.destroy()
window2.destroy()
def test_get_handle_at_point(self):
canvas = Canvas()
view = GtkView(canvas)
window = Gtk.Window.new(Gtk.WindowType.TOPLEVEL)
window.add(view)
window.show_all()
box = Box()
box.min_width = 20
box.min_height = 30
box.matrix.translate(20, 20)
box.matrix.rotate(old_div(math.pi, 1.5))
canvas.add(box)
i, h = view.get_handle_at_point((20, 20))
assert i is box
assert h is box.handles()[0]
def test_connect_item(self):
b1 = Box()
b2 = Box()
l = Line()
c = Canvas()
c.add(b1)
c.add(b2)
c.add(l)
c.connect_item(l, l.handles()[0], b1, b1.ports()[0])
assert count(c.get_connections(handle=l.handles()[0])) == 1
# Add the same
self.assertRaises(ConnectionError, c.connect_item, l,
l.handles()[0], b1,
b1.ports()[0])
assert count(c.get_connections(handle=l.handles()[0])) == 1
def test_creation_with_size(self):
"""
Test if initial size holds when added to a canvas.
"""
canvas = Canvas()
box = Box(150, 153)
assert box.width == 150, box.width
assert box.height == 153, box.height
assert box.handles()[SE].pos.x == 150, box.handles()[SE].pos.x
assert box.handles()[SE].pos.y == 153, box.handles()[SE].pos.y
canvas.add(box)
assert box.width == 150, box.width
assert box.height == 153, box.height
assert box.handles()[SE].pos.x == 150, box.handles()[SE].pos.x
assert box.handles()[SE].pos.y == 153, box.handles()[SE].pos.y
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_get_handle_at_point_at_pi_div_2(self):
canvas = Canvas()
view = GtkView(canvas)
window = gtk.Window(gtk.WINDOW_TOPLEVEL)
window.add(view)
window.show_all()
box = Box()
box.min_width = 20
box.min_height = 30
box.matrix.translate(20, 20)
box.matrix.rotate(math.pi / 2)
canvas.add(box)
p = canvas.get_matrix_i2c(box).transform_point(0, 20)
p = canvas.get_matrix_c2i(box).transform_point(20, 20)
i, h = view.get_handle_at_point((20, 20))
assert i is box
assert h is box.handles()[0]
def test_view_registration(self):
canvas = Canvas()
# Simple views do not register on the canvas
view = View(canvas)
assert len(canvas._registered_views) == 0
box = Box()
canvas.add(box)
# By default no complex updating/calculations are done:
assert not box._matrix_i2v.has_key(view)
assert not box._matrix_v2i.has_key(view)
# GTK view does register for updates though
view = GtkView(canvas)
assert len(canvas._registered_views) == 1
# No entry, since GtkView is not realized and has no window
assert not box._matrix_i2v.has_key(view)
assert not box._matrix_v2i.has_key(view)
window = gtk.Window(gtk.WINDOW_TOPLEVEL)
window.add(view)
window.show_all()
# Now everything is realized and updated
assert box._matrix_i2v.has_key(view)
assert box._matrix_v2i.has_key(view)
view.canvas = None
assert len(canvas._registered_views) == 0
assert not box._matrix_i2v.has_key(view)
assert not box._matrix_v2i.has_key(view)
view.canvas = canvas
assert len(canvas._registered_views) == 1
assert box._matrix_i2v.has_key(view)
assert box._matrix_v2i.has_key(view)
def test_view_registration(view_fixture):
canvas = Canvas()
# Simple views do not register on the canvas
view = View(canvas)
assert len(canvas._registered_views) == 0
box = Box()
canvas.add(box)
# By default no complex updating/calculations are done:
assert view not in box._matrix_i2v
assert view not in box._matrix_v2i
# GTK view does register for updates though
view = GtkView(canvas)
assert len(canvas._registered_views) == 1
# No entry, since GtkView is not realized and has no window
assert view not in box._matrix_i2v
assert view not in box._matrix_v2i
window = Gtk.Window.new(Gtk.WindowType.TOPLEVEL)
window.add(view)
window.show_all()
# Now everything is realized and updated
assert view in box._matrix_i2v
assert view in box._matrix_v2i
view.canvas = None
assert len(canvas._registered_views) == 0
assert view not in box._matrix_i2v
assert view not in box._matrix_v2i
view.canvas = canvas
assert len(canvas._registered_views) == 1
assert view in box._matrix_i2v
assert view in box._matrix_v2i
def test_scroll_adjustments_signal(self):
sc = Gtk.ScrolledWindow()
view = GtkView(Canvas())
sc.add(view)
assert view.hadjustment
assert view.vadjustment
assert view.hadjustment.get_value() == 0.0
assert view.hadjustment.get_lower() == 0.0
assert view.hadjustment.get_upper() == 1.0
assert view.hadjustment.get_step_increment() == 0.0
assert view.hadjustment.get_page_increment() == 1.0
assert view.hadjustment.get_page_size() == 1.0
assert view.vadjustment.get_value() == 0.0
assert view.vadjustment.get_lower() == 0.0
assert view.vadjustment.get_upper() == 1.0
assert view.vadjustment.get_step_increment() == 0.0
assert view.vadjustment.get_page_increment() == 1.0
assert view.vadjustment.get_page_size() == 1.0
