def test_alpha_blending():
device = unicornhathd(serial)
serial.reset_mock()
with canvas(device) as draw:
draw.rectangle(device.bounding_box, outline=(255, 128, 64, 32))
serial.data.assert_called_once_with(
[0x72] + get_json_data('demo_unicornhathd_alphablend'))
def test_display():
"""
SH1106 OLED screen can draw and display an image.
"""
device = sh1106(serial)
serial.reset_mock()
recordings = []
def data(data):
recordings.append({'data': data})
def command(*cmd):
recordings.append({'command': list(cmd)})
serial.command = Mock(side_effect=command, unsafe=True)
serial.data = Mock(side_effect=data, unsafe=True)
# Use the same drawing primitives as the demo
with canvas(device) as draw:
primitives(device, draw)
serial.data.assert_called()
serial.command.assert_called()
assert recordings == get_json_data('demo_sh1106')
def test_display():
device = unicornhathd(serial)
serial.reset_mock()
with canvas(device) as draw:
draw.rectangle(device.bounding_box, outline="white")
serial.data.assert_called_once_with([0x72] +
get_json_data('demo_unicornhathd'))
def test_display():
"""
SSD1351 OLED screen can draw and display a color image.
"""
device = ssd1351(serial)
serial.reset_mock()
recordings = []
def data(data):
recordings.append({'data': data})
def command(*cmd):
recordings.append({'command': list(cmd)})
serial.command.side_effect = command
serial.data.side_effect = data
# Use the same drawing primitives as the demo
with canvas(device) as draw:
primitives(device, draw)
assert serial.data.called
assert serial.command.called
assert recordings == [
{'command': [21]}, {'data': [0, 127]},
{'command': [117]}, {'data': [0, 127]},
{'command': [92]}, {'data': get_json_data('demo_ssd1351')}
]
def test_display():
"""
SH1106 OLED screen can draw and display an image.
"""
device = sh1106(serial)
serial.reset_mock()
recordings = []
def data(data):
recordings.append({'data': data})
def command(*cmd):
recordings.append({'command': list(cmd)})
serial.command = Mock(side_effect=command, unsafe=True)
serial.data = Mock(side_effect=data, unsafe=True)
# Use the same drawing primitives as the demo
with canvas(device) as draw:
primitives(device, draw)
serial.data.assert_called()
serial.command.assert_called()
assert recordings == get_json_data('demo_sh1106')
def test_greyscale_display():
"""
SSD1322_NHD OLED screen can draw and display a greyscale image.
"""
device = ssd1322_nhd(serial, mode="RGB")
serial.reset_mock()
recordings = []
def data(data):
recordings.append({'data': data})
def command(*cmd):
recordings.append({'command': list(cmd)})
serial.command.side_effect = command
serial.data.side_effect = data
# Use the same drawing primitives as the demo
with canvas(device) as draw:
primitives(device, draw)
assert serial.data.called
assert serial.command.called
assert recordings == [
{'command': [21]}, {'data': [28, 91]},
{'command': [117]}, {'data': [0, 63]},
{'command': [92]}, {'data': get_json_data('demo_ssd1322_nhd_greyscale')}
]
def test_display():
"""
SSD1309 OLED screen can draw and display an image.
"""
device = ssd1309(serial)
serial.reset_mock()
# Use the same drawing primitives as the demo
with canvas(device) as draw:
primitives(device, draw)
# Initial command to reset the display
serial.command.assert_called_once_with(33, 0, 127, 34, 0, 7)
# Next 1024 bytes are data representing the drawn image
serial.data.assert_called_once_with(get_json_data('demo_ssd1309'))
def test_monochrome_display():
"""
SSD1327 OLED screen can draw and display a monochrome image.
"""
device = ssd1327(serial, mode="1")
serial.reset_mock()
# Use the same drawing primitives as the demo
with canvas(device) as draw:
primitives(device, draw)
# Initial command to reset the display
serial.command.assert_called_once_with(21, 0, 63, 117, 0, 127)
# Next 4096 bytes are data representing the drawn image
serial.data.assert_called_once_with(get_json_data('demo_ssd1327_monochrome'))
def test_monochrome_display():
"""
SSD1362 OLED screen can draw and display a monochrome image.
"""
device = ssd1362(serial, mode="1")
serial.reset_mock()
# Use the same drawing primitives as the demo
with canvas(device) as draw:
primitives(device, draw)
# Initial command to reset the display
serial.command.assert_called_once_with(21, 0, 127, 117, 0, 63)
# Next 4096 bytes are data representing the drawn image
serial.data.assert_called_once_with(get_json_data('demo_ssd1362_monochrome'))
def test_greyscale_display():
"""
SSD1322_NHD OLED screen can draw and display a greyscale image.
"""
device = ssd1322_nhd(serial, mode="RGB")
serial.reset_mock()
recordings = []
def data(data):
recordings.append({'data': data})
def command(*cmd):
recordings.append({'command': list(cmd)})
serial.command.side_effect = command
serial.data.side_effect = data
# Use the same drawing primitives as the demo
with canvas(device) as draw:
primitives(device, draw)
assert serial.data.called
assert serial.command.called
assert recordings == [{
'command': [21]
}, {
'data': [28, 91]
}, {
'command': [117]
}, {
'data': [0, 63]
}, {
'command': [92]
}, {
'data': get_json_data('demo_ssd1322_nhd_greyscale')
}]
def test_alpha_blending():
device = unicornhathd(serial)
serial.reset_mock()
with canvas(device) as draw:
draw.rectangle(device.bounding_box, outline=(255, 128, 64, 32))
serial.data.assert_called_once_with([0x72] + get_json_data('demo_unicornhathd_alphablend'))
def test_display():
device = unicornhathd(serial)
serial.reset_mock()
with canvas(device) as draw:
draw.rectangle(device.bounding_box, outline="white")
serial.data.assert_called_once_with([0x72] + get_json_data('demo_unicornhathd'))
