openlp/tests/openlp_core/display/test_screens.py

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# -*- coding: utf-8 -*-
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##########################################################################
# OpenLP - Open Source Lyrics Projection #
# ---------------------------------------------------------------------- #
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# Copyright (c) 2008-2021 OpenLP Developers #
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# ---------------------------------------------------------------------- #
# This program is free software: you can redistribute it and/or modify #
# it under the terms of the GNU General Public License as published by #
# the Free Software Foundation, either version 3 of the License, or #
# (at your option) any later version. #
# #
# This program is distributed in the hope that it will be useful, #
# but WITHOUT ANY WARRANTY; without even the implied warranty of #
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
# GNU General Public License for more details. #
# #
# You should have received a copy of the GNU General Public License #
# along with this program. If not, see <https://www.gnu.org/licenses/>. #
##########################################################################
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"""
Package to test the openlp.core.lib.screenlist package.
"""
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from unittest.mock import MagicMock, patch
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from PyQt5 import QtCore
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from openlp.core.display.screens import Screen, ScreenList
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def test_current_display_screen():
"""
Test that the "current" property returns the first display screen
"""
# GIVEN: A new ScreenList object with some screens
screen_list = ScreenList()
screen_list.screens = [
Screen(number=0, geometry=QtCore.QRect(0, 0, 1024, 768), is_primary=True),
Screen(number=1, geometry=QtCore.QRect(1024, 0, 1024, 768), is_primary=False, is_display=True)
]
# WHEN: The current property is accessed
screen = screen_list.current
# THEN: It should be the display screen
assert screen.number == 1
assert screen.geometry == QtCore.QRect(1024, 0, 1024, 768)
assert screen.is_primary is False
assert screen.is_display is True
def test_current_primary_screen():
"""
Test that the "current" property returns the first primary screen
"""
# GIVEN: A new ScreenList object with some screens
screen_list = ScreenList()
screen_list.screens = [
Screen(number=0, geometry=QtCore.QRect(0, 0, 1024, 768), is_primary=True)
]
# WHEN: The current property is accessed
screen = screen_list.current
# THEN: It should be the display screen
assert screen.number == 0
assert screen.geometry == QtCore.QRect(0, 0, 1024, 768)
assert screen.is_primary is True
assert screen.is_display is False
@patch('openlp.core.display.screens.QtWidgets.QApplication.screens')
def test_create_screen_list(mocked_screens, settings):
"""
Create the screen list
"""
# GIVEN: Mocked application
mocked_application = MagicMock()
mocked_screen1 = MagicMock(**{'geometry.return_value': QtCore.QRect(0, 0, 1024, 768)})
mocked_screen2 = MagicMock(**{'geometry.return_value': QtCore.QRect(1024, 0, 1024, 768)})
mocked_application.screens.return_value = [mocked_screen1, mocked_screen2]
mocked_application.primaryScreen.return_value = mocked_screen1
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# WHEN: create() is called
screen_list = ScreenList.create(mocked_application)
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# THEN: The correct screens have been set up
assert screen_list.screens[0].number == 0
assert screen_list.screens[0].geometry == QtCore.QRect(0, 0, 1024, 768)
assert screen_list.screens[0].is_primary is True
assert screen_list.screens[1].number == 1
assert screen_list.screens[1].geometry == QtCore.QRect(1024, 0, 1024, 768)
assert screen_list.screens[1].is_primary is False
@patch('openlp.core.display.screens.QtWidgets.QApplication.screens')
def test_create_screen_list_with_settings_matching(mocked_screens, settings):
"""
Create the screen list and match with saved settings
"""
# GIVEN: Mocked application and saved screen settings
mocked_application = MagicMock()
settings.setValue('core/screens', {'0': {'number': 0, 'geometry': {'x': 0, 'y': 0, 'width': 1024, 'height': 768},
'is_primary': True, 'is_display': False,
'custom_geometry': {'x': 50, 'y': 50, 'width': 924, 'height': 668}},
'1': {'number': 0, 'geometry': {'x': 1024, 'y': 0, 'width': 1024, 'height': 768},
'is_primary': False, 'is_display': True,
'custom_geometry': {'x': 50, 'y': 50, 'width': 924, 'height': 568}}})
mocked_screen1 = MagicMock(**{'geometry.return_value': QtCore.QRect(0, 0, 1024, 768)})
mocked_screen2 = MagicMock(**{'geometry.return_value': QtCore.QRect(1024, 0, 1024, 768)})
mocked_application.screens.return_value = [mocked_screen1, mocked_screen2]
mocked_application.primaryScreen.return_value = mocked_screen1
# WHEN: create() is called
screen_list = ScreenList.create(mocked_application)
# THEN: The correct screens have been set up, matching the saved settings
assert screen_list.screens[0].number == 0
assert screen_list.screens[0].geometry == QtCore.QRect(0, 0, 1024, 768)
assert screen_list.screens[0].is_primary is True
assert screen_list.screens[0].is_display is False
assert screen_list.screens[0].custom_geometry == QtCore.QRect(50, 50, 924, 668)
assert screen_list.screens[1].number == 1
assert screen_list.screens[1].geometry == QtCore.QRect(1024, 0, 1024, 768)
assert screen_list.screens[1].is_primary is False
assert screen_list.screens[1].is_display is True
assert screen_list.screens[1].custom_geometry == QtCore.QRect(50, 50, 924, 568)
@patch('openlp.core.display.screens.QtWidgets.QApplication.screens')
@patch('openlp.core.display.screens.QtWidgets.QMessageBox.warning')
def test_create_screen_list_with_screen_unplugged(screen_warning, mocked_screens, settings):
"""
Create the screen list where saved screens > os screens (ie display unplugged)
"""
# GIVEN: Mocked application and saved screen settings
mocked_application = MagicMock()
settings.setValue('core/screens', {'0': {'number': 0,
'geometry': {'x': -1024, 'y': 0, 'width': 1024, 'height': 768},
'is_primary': False,
'is_display': True,
'custom_geometry': {'x': 50, 'y': 50, 'width': 924, 'height': 668}},
'1': {'number': 0,
'geometry': {'x': 0, 'y': 0, 'width': 1024, 'height': 768},
'is_primary': True,
'is_display': False,
'custom_geometry': {'x': 50, 'y': 50, 'width': 924, 'height': 568}}})
# set up mocked_screen to match the 2nd screen in the settings
mocked_screen1 = MagicMock(**{'geometry.return_value': QtCore.QRect(0, 0, 1024, 768)})
mocked_application.screens.return_value = [mocked_screen1]
mocked_application.primaryScreen.return_value = mocked_screen1
# WHEN: create() is called
screen_list = ScreenList.create(mocked_application)
# THEN: The correct screens have been set up
assert len(screen_list.screens) == 1
assert screen_list.screens[0].number == 0
assert screen_list.screens[0].geometry == QtCore.QRect(0, 0, 1024, 768)
assert screen_list.screens[0].is_primary is True
# find_new_display_screen() sets this screen's is_display to True
assert screen_list.screens[0].is_display is True
assert screen_list.screens[0].custom_geometry == QtCore.QRect(50, 50, 924, 568)
@patch('openlp.core.display.screens.QtWidgets.QApplication.screens')
def test_create_screen_list_with_screen_replugged_1(mocked_screens, settings):
"""
Create the screen list where saved screens < os screens (ie display plugged in again)
with saved screen matching the first screen
"""
# GIVEN: Mocked application and saved screen settings
mocked_application = MagicMock()
settings.setValue('core/screens', {'0': {'number': 0,
'geometry': {'x': 0, 'y': 0, 'width': 1024, 'height': 768},
'is_primary': True,
'is_display': True,
'custom_geometry': {'x': 50, 'y': 50, 'width': 924, 'height': 668}}})
# set up mocked_screen so that mocked_screen1 matches saved screen
mocked_screen1 = MagicMock(**{'geometry.return_value': QtCore.QRect(0, 0, 1024, 768)})
mocked_screen2 = MagicMock(**{'geometry.return_value': QtCore.QRect(1024, 0, 1024, 768)})
mocked_application.screens.return_value = [mocked_screen1, mocked_screen2]
mocked_application.primaryScreen.return_value = mocked_screen1
# WHEN: create() is called
screen_list = ScreenList.create(mocked_application)
# THEN: The correct screens have been set up
assert screen_list.screens[0].number == 0
assert screen_list.screens[0].geometry == QtCore.QRect(0, 0, 1024, 768)
assert screen_list.screens[0].is_primary is True
assert screen_list.screens[0].is_display is True
assert screen_list.screens[0].custom_geometry == QtCore.QRect(50, 50, 924, 668)
assert screen_list.screens[1].number == 1
assert screen_list.screens[1].geometry == QtCore.QRect(1024, 0, 1024, 768)
assert screen_list.screens[1].is_primary is False
assert screen_list.screens[1].is_display is False
assert screen_list.screens[1].custom_geometry is None
@patch('openlp.core.display.screens.QtWidgets.QApplication.screens')
def test_create_screen_list_with_screen_replugged_2(mocked_screens, settings):
"""
Create the screen list where saved screens < os screens (ie display plugged in again)
with saved screen matching the second screen
"""
# GIVEN: Mocked application and saved screen settings
mocked_application = MagicMock()
settings.setValue('core/screens', {'0': {'number': 0,
'geometry': {'x': 0, 'y': 0, 'width': 1024, 'height': 768},
'is_primary': True,
'is_display': True,
'custom_geometry': {'x': 50, 'y': 50, 'width': 924, 'height': 668}}})
# set up mocked_screen so that mocked_screen2 matches saved screen
mocked_screen1 = MagicMock(**{'geometry.return_value': QtCore.QRect(-1024, 0, 1024, 768)})
mocked_screen2 = MagicMock(**{'geometry.return_value': QtCore.QRect(0, 0, 1024, 768)})
mocked_application.screens.return_value = [mocked_screen1, mocked_screen2]
mocked_application.primaryScreen.return_value = mocked_screen2
# WHEN: create() is called
screen_list = ScreenList.create(mocked_application)
# THEN: The correct screens have been set up
assert screen_list.screens[0].number == 0
assert screen_list.screens[0].geometry == QtCore.QRect(-1024, 0, 1024, 768)
assert screen_list.screens[0].is_primary is False
assert screen_list.screens[0].is_display is False
assert screen_list.screens[0].custom_geometry is None
assert screen_list.screens[1].number == 1
assert screen_list.screens[1].geometry == QtCore.QRect(0, 0, 1024, 768)
assert screen_list.screens[1].is_primary is True
assert screen_list.screens[1].is_display is True
assert screen_list.screens[1].custom_geometry == QtCore.QRect(50, 50, 924, 668)
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@patch('openlp.core.display.screens.QtWidgets.QApplication.screens')
def test_screen_list_on_primary_changed(mocked_screens, settings, registry):
"""Test that the screen is correctly updated when a primary screen is changed"""
# GIVEN: Mocked application
mocked_application = MagicMock()
mocked_screen1 = MagicMock(**{'geometry.return_value': QtCore.QRect(0, 0, 1024, 768)})
mocked_screen2 = MagicMock(**{'geometry.return_value': QtCore.QRect(1024, 0, 1024, 768)})
mocked_application.screens.return_value = [mocked_screen1, mocked_screen2]
mocked_application.primaryScreen.return_value = mocked_screen1
screen_list = ScreenList.create(mocked_application)
# WHEN: on_primary_screen_changed() is called
mocked_application.primaryScreen.return_value = mocked_screen2
screen_list.on_primary_screen_changed()
# THEN: The primary screen should have changed
assert screen_list.screens[0].is_primary is False
assert screen_list.screens[1].is_primary is True
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def test_screen_list_get_screen_number():
"""Test ScreenList().get_screen_number() method works with a given dictionary"""
# GIVEN: A screen list with an incomplete screen
screen_list = ScreenList()
screen_list.screens = [
Screen(1, QtCore.QRect(0, 0, 1024, 768), is_primary=True),
Screen(2, QtCore.QRect(0, 1024, 1024, 768), is_primary=False)
]
# When searching for a screen number
result = screen_list.get_screen_number({"geometry": {"x": 0, "y": 1024, "width": 1024, "height": 768},
"is_primary": False})
# THEN: The result should be None
assert result == 2, 'ScreenList.get_screen_number() should return 2'
def test_screen_list_get_screen_number_incomplete():
"""Test that when the settings are incomplete (don't have a geometry) that the has_number method still works"""
# GIVEN: A screen list with an incomplete screen
screen_list = ScreenList()
screen_list.screens = [
Screen(1, QtCore.QRect(0, 0, 1024, 768), is_primary=True),
Screen(2, QtCore.QRect(0, 1024, 1024, 768), is_primary=False)
]
# When searching for a screen number
result = screen_list.get_screen_number({"is_primary": True})
# THEN: The result should be None
assert result is None, 'ScreenList.get_screen_number() should return None'
def test_screen_from_dict():
"""Test that all the correct attributes are set when creating a screen from a dictionary"""
# GIVEN: A dictionary of values
screen_dict = {
'number': 1,
'geometry': {'x': 0, 'y': 0, 'width': 1920, 'height': 1080},
'custom_geometry': {'x': 10, 'y': 10, 'width': 1900, 'height': 1060},
'is_primary': True,
'is_display': False
}
# WHEN: A screen object is created from a dictionary
screen = Screen.from_dict(screen_dict)
# THEN: A screen object with the correct attributes is created
assert screen.number == 1
assert screen.is_primary is True
assert screen.is_display is False
assert screen.geometry == QtCore.QRect(0, 0, 1920, 1080)
assert screen.custom_geometry == QtCore.QRect(10, 10, 1900, 1060)
def test_screen_to_dict():
"""Test that the correct dictionary is generated"""
# GIVEN: A screen object
screen = Screen(1, QtCore.QRect(0, 0, 1920, 1080), QtCore.QRect(10, 10, 1900, 1060), True, False)
# WHEN: A dictionary is generated
screen_dict = screen.to_dict()
# THEN: The dictionary should be correct
expected_screen = {
'number': 1,
'geometry': {'x': 0, 'y': 0, 'width': 1920, 'height': 1080},
'custom_geometry': {'x': 10, 'y': 10, 'width': 1900, 'height': 1060},
'is_primary': True,
'is_display': False
}
assert screen_dict == expected_screen
def test_screen_update():
"""Test that updating a screen object from a dictionary results in the correct attributes"""
# GIVEN: A screen object and a dictionary with updated values
screen = Screen(1, QtCore.QRect(0, 0, 1920, 1080), is_primary=True, is_display=False)
updated_screen = {
'geometry': {'x': 0, 'y': 0, 'width': 3840, 'height': 2160},
'custom_geometry': {'x': 10, 'y': 10, 'width': 1900, 'height': 1060},
'is_primary': False,
'is_display': True
}
# WHEN: screen.update() is called
screen.update(updated_screen)
# Then the screen attributes should be correct
assert screen.is_primary is False
assert screen.is_display is True
assert screen.geometry == QtCore.QRect(0, 0, 3840, 2160)
assert screen.custom_geometry == QtCore.QRect(10, 10, 1900, 1060)
def test_screen_update_bad_geometry():
"""Test that updating a screen object from a dictionary results in the correct attributes"""
# GIVEN: A screen object and a dictionary with updated values
screen = Screen(1, QtCore.QRect(0, 0, 1920, 1080), is_primary=True, is_display=False)
updated_screen = {
'geometry': {'x': 0, 'y': 0, 'x2': 3840, 'y2': 2160},
'custom_geometry': {'x': 10, 'y': 10, 'width': 1900, 'height': 1060},
'is_primary': False,
'is_display': True
}
# WHEN: screen.update() is called
screen.update(updated_screen)
# Then the screen attributes should be correct
assert screen.is_primary is False
assert screen.is_display is True
assert screen.geometry == QtCore.QRect(0, 0, 1920, 1080)
assert screen.custom_geometry == QtCore.QRect(10, 10, 1900, 1060)
def test_screen_to_str():
"""Test that the correct string is generated"""
# GIVEN: A screen object
screen = Screen(1, QtCore.QRect(0, 0, 1920, 1080), QtCore.QRect(10, 10, 1900, 1060), True, False)
# WHEN: A string is generated
screen_str = str(screen)
# THEN: The string should be correct (screens are 0-based)
assert screen_str == 'Screen 2 (primary)'
def test_screen_display_geometry():
"""Test that the display_geometry property returns the geometry when no custom geometry exists"""
# GIVEN: A screen object
screen = Screen(1, QtCore.QRect(0, 0, 1920, 1080), is_primary=True, is_display=False)
# WHEN: The display_geometry property is accessed
display_geometry = screen.display_geometry
# THEN: The display geometry is correct
assert display_geometry == QtCore.QRect(0, 0, 1920, 1080)
def test_screen_display_geometry_custom():
"""Test that the display_geometry property returns the custom geometry when it exists"""
# GIVEN: A screen object
screen = Screen(1, QtCore.QRect(0, 0, 1920, 1080), QtCore.QRect(10, 10, 1900, 1060), True, False)
# WHEN: The display_geometry property is accessed
display_geometry = screen.display_geometry
# THEN: The display geometry is correct
assert display_geometry == QtCore.QRect(10, 10, 1900, 1060)
def test_screen_repr():
"""Test that the correct screen representation is generated"""
# GIVEN: A screen object
screen = Screen(1, QtCore.QRect(0, 0, 1920, 1080), QtCore.QRect(10, 10, 1900, 1060), True, False)
# WHEN: A string is generated
screen_str = screen.__repr__()
# THEN: The string should be correct (screens are 0-based)
assert screen_str == '<Screen 2 (primary)>'