reflex/tests/integration/test_state_inheritance.py
Thomas Brandého 42e6dfa40d
enable PGH, bump pyright and fix all #type: ignore (#4699)
* enable PGH, bump pyright and fix  all #type: ignore

* relock poetry file

* ignore incompatible override

* fix varop tests

* ignore missing imports

* fix

* fix stuff

* fix tests

* rechange tests

* relock with poetry 2.0
2025-01-28 13:11:05 -08:00

451 lines
16 KiB
Python

"""Test state inheritance."""
from __future__ import annotations
from contextlib import suppress
from typing import Generator
import pytest
from selenium.common.exceptions import NoAlertPresentException
from selenium.webdriver.common.alert import Alert
from selenium.webdriver.common.by import By
from reflex.testing import DEFAULT_TIMEOUT, AppHarness, WebDriver
def get_alert_or_none(driver: WebDriver) -> Alert | None:
"""Switch to an alert if present.
Args:
driver: WebDriver instance.
Returns:
The alert if present, otherwise None.
"""
with suppress(NoAlertPresentException):
return driver.switch_to.alert
def raises_alert(driver: WebDriver, element: str) -> None:
"""Click an element and check that an alert is raised.
Args:
driver: WebDriver instance.
element: The element to click.
"""
btn = driver.find_element(By.ID, element)
btn.click()
alert = AppHarness._poll_for(lambda: get_alert_or_none(driver))
assert isinstance(alert, Alert)
assert alert.text == "clicked"
alert.accept()
def StateInheritance():
"""Test that state inheritance works as expected."""
import reflex as rx
class ChildMixin(rx.State, mixin=True):
child_mixin: str = "child_mixin"
@rx.var
def computed_child_mixin(self) -> str:
return "computed_child_mixin"
class Mixin(ChildMixin, mixin=True):
mixin: str = "mixin"
@rx.var
def computed_mixin(self) -> str:
return "computed_mixin"
def on_click_mixin(self):
return rx.call_script("alert('clicked')")
class OtherMixin(rx.State, mixin=True):
other_mixin: str = "other_mixin"
other_mixin_clicks: int = 0
@rx.var
def computed_other_mixin(self) -> str:
return self.other_mixin
def on_click_other_mixin(self):
self.other_mixin_clicks += 1
self.other_mixin = (
f"{type(self).__name__}.clicked.{self.other_mixin_clicks}"
)
class Base1(Mixin, rx.State):
_base1: str = "_base1"
base1: str = "base1"
@rx.var
def computed_basevar(self) -> str:
return "computed_basevar1"
@rx.var
def computed_backend_vars_base1(self) -> str:
return self._base1
class Base2(rx.State):
_base2: str = "_base2"
base2: str = "base2"
@rx.var
def computed_basevar(self) -> str:
return "computed_basevar2"
@rx.var
def computed_backend_vars_base2(self) -> str:
return self._base2
class Child1(Base1, OtherMixin):
pass
class Child2(Base2, Mixin, OtherMixin):
pass
class Child3(Child2):
_child3: str = "_child3"
child3: str = "child3"
@rx.var
def computed_childvar(self) -> str:
return "computed_childvar"
@rx.var
def computed_backend_vars_child3(self) -> str:
return f"{self._base2}.{self._child3}"
def index() -> rx.Component:
return rx.vstack(
rx.input(
id="token", value=Base1.router.session.client_token, is_read_only=True
),
# Base 1 (Mixin, ChildMixin)
rx.heading(Base1.computed_mixin, id="base1-computed_mixin"),
rx.heading(Base1.computed_basevar, id="base1-computed_basevar"),
rx.heading(Base1.computed_child_mixin, id="base1-computed-child-mixin"),
rx.heading(Base1.base1, id="base1-base1"),
rx.heading(Base1.child_mixin, id="base1-child-mixin"),
rx.button(
"Base1.on_click_mixin",
on_click=Base1.on_click_mixin,
id="base1-mixin-btn",
),
rx.heading(
Base1.computed_backend_vars_base1, id="base1-computed_backend_vars"
),
# Base 2 (no mixins)
rx.heading(Base2.computed_basevar, id="base2-computed_basevar"),
rx.heading(Base2.base2, id="base2-base2"),
rx.heading(
Base2.computed_backend_vars_base2, id="base2-computed_backend_vars"
),
# Child 1 (Mixin, ChildMixin, OtherMixin)
rx.heading(Child1.computed_basevar, id="child1-computed_basevar"),
rx.heading(Child1.computed_mixin, id="child1-computed_mixin"),
rx.heading(Child1.computed_other_mixin, id="child1-other-mixin"),
rx.heading(Child1.computed_child_mixin, id="child1-computed-child-mixin"),
rx.heading(Child1.base1, id="child1-base1"),
rx.heading(Child1.other_mixin, id="child1-other_mixin"),
rx.heading(Child1.child_mixin, id="child1-child-mixin"),
rx.button(
"Child1.on_click_other_mixin",
on_click=Child1.on_click_other_mixin,
id="child1-other-mixin-btn",
),
# Child 2 (Mixin, ChildMixin, OtherMixin)
rx.heading(Child2.computed_basevar, id="child2-computed_basevar"),
rx.heading(Child2.computed_mixin, id="child2-computed_mixin"),
rx.heading(Child2.computed_other_mixin, id="child2-other-mixin"),
rx.heading(Child2.computed_child_mixin, id="child2-computed-child-mixin"),
rx.heading(Child2.base2, id="child2-base2"),
rx.heading(Child2.other_mixin, id="child2-other_mixin"),
rx.heading(Child2.child_mixin, id="child2-child-mixin"),
rx.button(
"Child2.on_click_mixin",
on_click=Child2.on_click_mixin,
id="child2-mixin-btn",
),
rx.button(
"Child2.on_click_other_mixin",
on_click=Child2.on_click_other_mixin,
id="child2-other-mixin-btn",
),
# Child 3 (Mixin, ChildMixin, OtherMixin)
rx.heading(Child3.computed_basevar, id="child3-computed_basevar"),
rx.heading(Child3.computed_mixin, id="child3-computed_mixin"),
rx.heading(Child3.computed_other_mixin, id="child3-other-mixin"),
rx.heading(Child3.computed_childvar, id="child3-computed_childvar"),
rx.heading(Child3.computed_child_mixin, id="child3-computed-child-mixin"),
rx.heading(Child3.child3, id="child3-child3"),
rx.heading(Child3.base2, id="child3-base2"),
rx.heading(Child3.other_mixin, id="child3-other_mixin"),
rx.heading(Child3.child_mixin, id="child3-child-mixin"),
rx.button(
"Child3.on_click_mixin",
on_click=Child3.on_click_mixin,
id="child3-mixin-btn",
),
rx.button(
"Child3.on_click_other_mixin",
on_click=Child3.on_click_other_mixin,
id="child3-other-mixin-btn",
),
rx.heading(
Child3.computed_backend_vars_child3, id="child3-computed_backend_vars"
),
)
app = rx.App()
app.add_page(index)
@pytest.fixture(scope="module")
def state_inheritance(
tmp_path_factory,
) -> Generator[AppHarness, None, None]:
"""Start StateInheritance app at tmp_path via AppHarness.
Args:
tmp_path_factory: pytest tmp_path_factory fixture
Yields:
running AppHarness instance
"""
with AppHarness.create(
root=tmp_path_factory.mktemp("state_inheritance"),
app_source=StateInheritance,
) as harness:
yield harness
@pytest.fixture
def driver(state_inheritance: AppHarness) -> Generator[WebDriver, None, None]:
"""Get an instance of the browser open to the state_inheritance app.
Args:
state_inheritance: harness for StateInheritance app
Yields:
WebDriver instance.
"""
assert state_inheritance.app_instance is not None, "app is not running"
driver = state_inheritance.frontend()
try:
yield driver
finally:
driver.quit()
@pytest.fixture()
def token(state_inheritance: AppHarness, driver: WebDriver) -> str:
"""Get a function that returns the active token.
Args:
state_inheritance: harness for StateInheritance app.
driver: WebDriver instance.
Returns:
The token for the connected client
"""
assert state_inheritance.app_instance is not None
token_input = driver.find_element(By.ID, "token")
assert token_input
# wait for the backend connection to send the token
token = state_inheritance.poll_for_value(token_input, timeout=DEFAULT_TIMEOUT * 2)
assert token is not None
return token
def test_state_inheritance(
state_inheritance: AppHarness,
driver: WebDriver,
token: str,
):
"""Test that background tasks work as expected.
Args:
state_inheritance: harness for StateInheritance app.
driver: WebDriver instance.
token: The token for the connected client.
"""
assert state_inheritance.app_instance is not None
# Initial State values Test
# Base 1
base1_mixin = driver.find_element(By.ID, "base1-computed_mixin")
assert base1_mixin.text == "computed_mixin"
base1_computed_basevar = driver.find_element(By.ID, "base1-computed_basevar")
assert base1_computed_basevar.text == "computed_basevar1"
base1_computed_child_mixin = driver.find_element(
By.ID, "base1-computed-child-mixin"
)
assert base1_computed_child_mixin.text == "computed_child_mixin"
base1_base1 = driver.find_element(By.ID, "base1-base1")
assert base1_base1.text == "base1"
base1_computed_backend_vars = driver.find_element(
By.ID, "base1-computed_backend_vars"
)
assert base1_computed_backend_vars.text == "_base1"
base1_child_mixin = driver.find_element(By.ID, "base1-child-mixin")
assert base1_child_mixin.text == "child_mixin"
# Base 2
base2_computed_basevar = driver.find_element(By.ID, "base2-computed_basevar")
assert base2_computed_basevar.text == "computed_basevar2"
base2_base2 = driver.find_element(By.ID, "base2-base2")
assert base2_base2.text == "base2"
base2_computed_backend_vars = driver.find_element(
By.ID, "base2-computed_backend_vars"
)
assert base2_computed_backend_vars.text == "_base2"
# Child 1
child1_computed_basevar = driver.find_element(By.ID, "child1-computed_basevar")
assert child1_computed_basevar.text == "computed_basevar1"
child1_mixin = driver.find_element(By.ID, "child1-computed_mixin")
assert child1_mixin.text == "computed_mixin"
child1_computed_other_mixin = driver.find_element(By.ID, "child1-other-mixin")
assert child1_computed_other_mixin.text == "other_mixin"
child1_computed_child_mixin = driver.find_element(
By.ID, "child1-computed-child-mixin"
)
assert child1_computed_child_mixin.text == "computed_child_mixin"
child1_base1 = driver.find_element(By.ID, "child1-base1")
assert child1_base1.text == "base1"
child1_other_mixin = driver.find_element(By.ID, "child1-other_mixin")
assert child1_other_mixin.text == "other_mixin"
child1_child_mixin = driver.find_element(By.ID, "child1-child-mixin")
assert child1_child_mixin.text == "child_mixin"
# Child 2
child2_computed_basevar = driver.find_element(By.ID, "child2-computed_basevar")
assert child2_computed_basevar.text == "computed_basevar2"
child2_mixin = driver.find_element(By.ID, "child2-computed_mixin")
assert child2_mixin.text == "computed_mixin"
child2_computed_other_mixin = driver.find_element(By.ID, "child2-other-mixin")
assert child2_computed_other_mixin.text == "other_mixin"
child2_computed_child_mixin = driver.find_element(
By.ID, "child2-computed-child-mixin"
)
assert child2_computed_child_mixin.text == "computed_child_mixin"
child2_base2 = driver.find_element(By.ID, "child2-base2")
assert child2_base2.text == "base2"
child2_other_mixin = driver.find_element(By.ID, "child2-other_mixin")
assert child2_other_mixin.text == "other_mixin"
child2_child_mixin = driver.find_element(By.ID, "child2-child-mixin")
assert child2_child_mixin.text == "child_mixin"
# Child 3
child3_computed_basevar = driver.find_element(By.ID, "child3-computed_basevar")
assert child3_computed_basevar.text == "computed_basevar2"
child3_mixin = driver.find_element(By.ID, "child3-computed_mixin")
assert child3_mixin.text == "computed_mixin"
child3_computed_other_mixin = driver.find_element(By.ID, "child3-other-mixin")
assert child3_computed_other_mixin.text == "other_mixin"
child3_computed_childvar = driver.find_element(By.ID, "child3-computed_childvar")
assert child3_computed_childvar.text == "computed_childvar"
child3_computed_child_mixin = driver.find_element(
By.ID, "child3-computed-child-mixin"
)
assert child3_computed_child_mixin.text == "computed_child_mixin"
child3_child3 = driver.find_element(By.ID, "child3-child3")
assert child3_child3.text == "child3"
child3_base2 = driver.find_element(By.ID, "child3-base2")
assert child3_base2.text == "base2"
child3_other_mixin = driver.find_element(By.ID, "child3-other_mixin")
assert child3_other_mixin.text == "other_mixin"
child3_child_mixin = driver.find_element(By.ID, "child3-child-mixin")
assert child3_child_mixin.text == "child_mixin"
child3_computed_backend_vars = driver.find_element(
By.ID, "child3-computed_backend_vars"
)
assert child3_computed_backend_vars.text == "_base2._child3"
# Event Handler Tests
raises_alert(driver, "base1-mixin-btn")
raises_alert(driver, "child2-mixin-btn")
raises_alert(driver, "child3-mixin-btn")
child1_other_mixin_btn = driver.find_element(By.ID, "child1-other-mixin-btn")
child1_other_mixin_btn.click()
child1_other_mixin_value = state_inheritance.poll_for_content(
child1_other_mixin, exp_not_equal="other_mixin"
)
child1_computed_mixin_value = state_inheritance.poll_for_content(
child1_computed_other_mixin, exp_not_equal="other_mixin"
)
assert child1_other_mixin_value == "Child1.clicked.1"
assert child1_computed_mixin_value == "Child1.clicked.1"
child2_other_mixin_btn = driver.find_element(By.ID, "child2-other-mixin-btn")
child2_other_mixin_btn.click()
child2_other_mixin_value = state_inheritance.poll_for_content(
child2_other_mixin, exp_not_equal="other_mixin"
)
child2_computed_mixin_value = state_inheritance.poll_for_content(
child2_computed_other_mixin, exp_not_equal="other_mixin"
)
child3_other_mixin_value = state_inheritance.poll_for_content(
child3_other_mixin, exp_not_equal="other_mixin"
)
child3_computed_mixin_value = state_inheritance.poll_for_content(
child3_computed_other_mixin, exp_not_equal="other_mixin"
)
assert child2_other_mixin_value == "Child2.clicked.1"
assert child2_computed_mixin_value == "Child2.clicked.1"
assert child3_other_mixin_value == "Child2.clicked.1"
assert child3_computed_mixin_value == "Child2.clicked.1"
child3_other_mixin_btn = driver.find_element(By.ID, "child3-other-mixin-btn")
child3_other_mixin_btn.click()
child2_other_mixin_value = state_inheritance.poll_for_content(
child2_other_mixin, exp_not_equal="Child2.clicked.1"
)
child2_computed_mixin_value = state_inheritance.poll_for_content(
child2_computed_other_mixin, exp_not_equal="Child2.clicked.1"
)
child3_other_mixin_value = state_inheritance.poll_for_content(
child3_other_mixin, exp_not_equal="Child2.clicked.1"
)
child3_computed_mixin_value = state_inheritance.poll_for_content(
child3_computed_other_mixin, exp_not_equal="Child2.clicked.1"
)
assert child2_other_mixin_value == "Child2.clicked.2"
assert child2_computed_mixin_value == "Child2.clicked.2"
assert child3_other_mixin.text == "Child2.clicked.2"
assert child3_computed_other_mixin.text == "Child2.clicked.2"