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from textual import on
from textual.app import App
from textual.events import Click, MouseDown, MouseUp
from textual.widgets import Button
async def test_driver_mouse_down_up_click():
"""Mouse down and up should issue a click."""
class MyApp(App):
messages = []
@on(Click)
@on(MouseDown)
@on(MouseUp)
def handle(self, event):
self.messages.append(event)
app = MyApp()
async with app.run_test() as pilot:
app._driver.process_message(MouseDown(None, 0, 0, 0, 0, 1, False, False, False))
app._driver.process_message(MouseUp(None, 0, 0, 0, 0, 1, False, False, False))
await pilot.pause()
assert len(app.messages) == 3
assert isinstance(app.messages[0], MouseDown)
assert isinstance(app.messages[1], MouseUp)
assert isinstance(app.messages[2], Click)
async def test_driver_mouse_down_up_click_widget():
"""Mouse down and up should issue a click when they're on a widget."""
class MyApp(App):
messages = []
def compose(self):
yield Button()
def on_button_pressed(self, event):
self.messages.append(event)
app = MyApp()
async with app.run_test() as pilot:
app._driver.process_message(MouseDown(None, 0, 0, 0, 0, 1, False, False, False))
app._driver.process_message(MouseUp(None, 0, 0, 0, 0, 1, False, False, False))
await pilot.pause()
assert len(app.messages) == 1
async def test_driver_mouse_down_drag_inside_widget_up_click():
"""Mouse down and up should issue a click, even if the mouse moves but remains
inside the same widget."""
class MyApp(App):
messages = []
def compose(self):
yield Button()
def on_button_pressed(self, event):
self.messages.append(event)
app = MyApp()
button_width = 16
button_height = 3
async with app.run_test() as pilot:
# Sanity check
width, height = app.query_one(Button).region.size
assert (width, height) == (button_width, button_height)
# Mouse down on the button, then move the mouse inside the button, then mouse up.
app._driver.process_message(MouseDown(None, 0, 0, 0, 0, 1, False, False, False))
app._driver.process_message(
MouseUp(
None,
button_width - 1,
button_height - 1,
button_width - 1,
button_height - 1,
1,
False,
False,
False,
)
)
await pilot.pause()
# A click should still be triggered.
assert len(app.messages) == 1
async def test_driver_mouse_down_drag_outside_widget_up_click():
"""Mouse down and up don't issue a click if the mouse moves outside of the initial widget."""
class MyApp(App):
messages = []
def compose(self):
yield Button()
def on_button_pressed(self, event):
self.messages.append(event)
app = MyApp()
button_width = 16
button_height = 3
async with app.run_test() as pilot:
# Sanity check
width, height = app.query_one(Button).region.size
assert (width, height) == (button_width, button_height)
# Mouse down on the button, then move the mouse outside the button, then mouse up.
app._driver.process_message(MouseDown(None, 0, 0, 0, 0, 1, False, False, False))
app._driver.process_message(
MouseUp(
None,
button_width + 1,
button_height + 1,
button_width + 1,
button_height + 1,
1,
False,
False,
False,
)
)
await pilot.pause()
assert len(app.messages) == 0
|
