149 lines
4.3 KiB
Python
149 lines
4.3 KiB
Python
"""Test cases for the View class."""
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import math
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import pytest
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from gi.repository import Gtk
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from gaphas.canvas import Canvas
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from gaphas.item import Element as Box
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from gaphas.view import GtkView
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class ViewFixture:
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def __init__(self):
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self.canvas = Canvas()
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self.view = GtkView(self.canvas)
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self.window = Gtk.Window.new(Gtk.WindowType.TOPLEVEL)
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self.window.add(self.view)
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self.window.show_all()
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self.box = Box(self.canvas.connections)
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self.canvas.add(self.box)
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self.connections = self.canvas.connections
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# Process pending (expose) events, which cause the canvas to be drawn.
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while Gtk.events_pending():
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Gtk.main_iteration()
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@pytest.fixture()
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def view_fixture():
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fixture = ViewFixture()
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yield fixture
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fixture.window.destroy()
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def test_get_item_at_point(view_fixture):
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"""Hover tool only reacts on motion-notify events."""
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view_fixture.box.width = 50
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view_fixture.box.height = 50
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assert view_fixture.view.get_item_at_point((10, 10)) is view_fixture.box
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assert view_fixture.view.get_item_at_point((60, 10)) is None
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def test_get_unselected_item_at_point(view_fixture):
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view_fixture.box.width = 50
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view_fixture.box.height = 50
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view_fixture.view.selection.select_items(view_fixture.box)
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assert view_fixture.view.get_item_at_point((10, 10)) is view_fixture.box
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assert view_fixture.view.get_item_at_point((10, 10), selected=False) is None
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def test_get_handle_at_point(view_fixture):
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box = Box(view_fixture.connections)
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box.min_width = 20
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box.min_height = 30
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box.matrix.translate(20, 20)
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box.matrix.rotate(math.pi / 1.5)
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view_fixture.canvas.add(box)
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i, h = view_fixture.view.get_handle_at_point((20, 20))
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assert i is box
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assert h is box.handles()[0]
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def test_get_handle_at_point_at_pi_div_2(view_fixture):
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box = Box(view_fixture.connections)
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box.min_width = 20
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box.min_height = 30
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box.matrix.translate(20, 20)
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box.matrix.rotate(math.pi / 2)
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view_fixture.canvas.add(box)
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i, h = view_fixture.view.get_handle_at_point((20, 20))
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assert i is box
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assert h is box.handles()[0]
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def test_item_removal(view_fixture):
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assert len(view_fixture.canvas.get_all_items()) == len(view_fixture.view._qtree)
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view_fixture.view.selection.set_focused_item(view_fixture.box)
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view_fixture.canvas.remove(view_fixture.box)
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assert len(view_fixture.canvas.get_all_items()) == 0
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assert len(view_fixture.view._qtree) == 0
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view_fixture.window.destroy()
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def test_view_registration(view_fixture):
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canvas = Canvas()
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# GTK view does register for updates though
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view = GtkView(canvas)
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assert len(canvas._registered_views) == 1
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window = Gtk.Window.new(Gtk.WindowType.TOPLEVEL)
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window.add(view)
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window.show_all()
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view.canvas = None
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assert len(canvas._registered_views) == 0
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view.canvas = canvas
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assert len(canvas._registered_views) == 1
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def test_view_registration_2(view_fixture):
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"""Test view registration and destroy when view is destroyed."""
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assert len(view_fixture.canvas._registered_views) == 1
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assert view_fixture.view in view_fixture.canvas._registered_views
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view_fixture.window.destroy()
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assert len(view_fixture.canvas._registered_views) == 0
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@pytest.fixture()
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def sc_view():
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sc = Gtk.ScrolledWindow()
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view = GtkView(Canvas())
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sc.add(view)
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return view, sc
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def test_scroll_adjustments_signal(sc_view):
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assert sc_view[0].hadjustment
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assert sc_view[0].vadjustment
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assert sc_view[0].hadjustment.get_value() == 0.0
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assert sc_view[0].hadjustment.get_lower() == 0.0
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assert sc_view[0].hadjustment.get_upper() == 1.0
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assert sc_view[0].hadjustment.get_step_increment() == 0.0
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assert sc_view[0].hadjustment.get_page_increment() == 1.0
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assert sc_view[0].hadjustment.get_page_size() == 1.0
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assert sc_view[0].vadjustment.get_value() == 0.0
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assert sc_view[0].vadjustment.get_lower() == 0.0
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assert sc_view[0].vadjustment.get_upper() == 1.0
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assert sc_view[0].vadjustment.get_step_increment() == 0.0
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assert sc_view[0].vadjustment.get_page_increment() == 1.0
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assert sc_view[0].vadjustment.get_page_size() == 1.0
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def test_scroll_adjustments(sc_view):
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assert sc_view[1].get_hadjustment() is sc_view[0].hadjustment
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assert sc_view[1].get_vadjustment() is sc_view[0].vadjustment
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