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# -*- coding: utf-8 -*-
"""
Tests for custom widgets made for Mu.
"""
from unittest import mock
import pytest
import mu.interface.main
import mu.interface.themes
import mu.interface.editor
@pytest.fixture
def microbit():
"""
Fixture for easy setup of microbit device in tests
"""
microbit = mu.logic.Device(
0x0D28,
0x0204,
"COM1",
123456,
"ARM",
"BBC micro:bit",
"microbit",
None,
)
return microbit
@pytest.fixture
def adafruit_feather():
"""
Fixture for easy setup of adafruit feather device in tests
"""
adafruit_feather = mu.logic.Device(
0x239A,
0x800B,
"COM1",
123456,
"ARM",
"CircuitPython",
"circuitpython",
"Adafruit Feather",
)
return adafruit_feather
def test_device_selector_device_changed_to_none():
"""
Check that when device changes to index out of range,
the device selector emits None on the device_changed signal
"""
device_selector = mu.interface.main.DeviceSelector()
device_selector.device_changed = mock.MagicMock()
device_selector._device_changed(-1)
device_selector.device_changed.emit.assert_called_once_with(None)
def test_device_selector_selected_device_w_no_devices():
"""
Test that device_changed signals are emitted, when the user
changes device.
"""
device_selector = mu.interface.main.DeviceSelector()
device_list = []
device_selector.selector.model = mock.MagicMock(return_value=device_list)
device = device_selector.selected_device()
assert device is None
def test_device_selector_device_changed(microbit, adafruit_feather):
"""
Test that device_changed signals are emitted, when the user
changes device.
"""
device_selector = mu.interface.main.DeviceSelector()
device_selector.device_changed = mock.MagicMock()
device_list = [microbit, adafruit_feather]
device_selector.selector.model = mock.MagicMock(return_value=device_list)
device_selector._device_changed(0)
device_selector.device_changed.emit.assert_called_once_with(microbit)
device_selector._device_changed(1)
device_selector.device_changed.emit.assert_called_with(adafruit_feather)
def test_DeviceSelector_device_connected(microbit):
"""
Test that _update_view is called when a device connects
"""
device_selector = mu.interface.main.DeviceSelector()
device_selector._update_view = mock.MagicMock()
device_selector.device_connected(microbit)
device_selector._update_view.assert_called_once_with()
def test_DeviceSelector_device_disconnected(microbit):
"""
Test that _update_view is called when a device disconnects
"""
device_selector = mu.interface.main.DeviceSelector()
device_selector._update_view = mock.MagicMock()
device_selector.device_disconnected(microbit)
device_selector._update_view.assert_called_once_with()
def test_DeviceSelector_update_view_selector_hidden_on_1_device():
"""
Test that _update_view hides the combobox selector when only
one device connected
"""
device_selector = mu.interface.main.DeviceSelector()
model = mock.MagicMock()
model.data = mock.MagicMock(return_value="Tooltip text")
device_selector.selector.model = mock.MagicMock(return_value=model)
device_selector.selector.count = mock.MagicMock(return_value=1)
device_selector._update_view()
assert device_selector.selector.isHidden()
def test_DeviceSelector_update_view_selector_shown_on_2_devices():
"""
Test that _update_view displays the combobox selector when two
devices connected
"""
device_selector = mu.interface.main.DeviceSelector(show_label=True)
model = mock.MagicMock()
model.data = mock.MagicMock(return_value="Tooltip text")
device_selector.selector.model = mock.MagicMock(return_value=model)
device_selector.selector.count = mock.MagicMock(return_value=2)
device_selector._update_view()
assert not device_selector.selector.isHidden()
assert device_selector.status_label.isHidden()
def test_DeviceSelector_update_view_check_disconnected_icon():
"""
Test that _update_view displays the disconnected icon when
no device connected
"""
device_selector = mu.interface.main.DeviceSelector()
device_selector.selector.count = mock.MagicMock(return_value=0)
device_selector.connection_status.setPixmap = mock.MagicMock()
device_selector._update_view()
device_selector.connection_status.setPixmap.assert_called_once_with(
device_selector.disconnected_icon
)
def test_DeviceSelector_update_view_check_connected_icon():
"""
Test that _update_view displays the connected icon when
one device connected
"""
device_selector = mu.interface.main.DeviceSelector()
model = mock.MagicMock()
model.data = mock.MagicMock(return_value="Tooltip text")
device_selector.selector.model = mock.MagicMock(return_value=model)
device_selector.selector.count = mock.MagicMock(return_value=1)
device_selector.connection_status.setPixmap = mock.MagicMock()
device_selector._update_view()
device_selector.connection_status.setPixmap.assert_called_once_with(
device_selector.connected_icon
)
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