reflex/integration/test_tailwind.py
2024-09-12 10:46:42 -07:00

123 lines
4.1 KiB
Python

"""Test case for disabling tailwind in the config."""
import functools
from typing import Generator
import pytest
from selenium.webdriver.common.by import By
from reflex.testing import AppHarness
PARAGRAPH_TEXT = "Tailwind Is Cool"
PARAGRAPH_CLASS_NAME = "text-red-500"
TEXT_RED_500_COLOR = ["rgba(239, 68, 68, 1)", "rgb(239, 68, 68)"]
def TailwindApp(
tailwind_disabled: bool = False,
paragraph_text: str = PARAGRAPH_TEXT,
paragraph_class_name: str = PARAGRAPH_CLASS_NAME,
):
"""App with tailwind optionally disabled.
Args:
tailwind_disabled: Whether tailwind is disabled for the app.
paragraph_text: Text for the paragraph.
paragraph_class_name: Tailwind class_name for the paragraph.
"""
from pathlib import Path
import reflex as rx
class UnusedState(rx.State):
pass
def index():
return rx.el.div(
rx.text(paragraph_text, class_name=paragraph_class_name),
rx.el.p(paragraph_text, class_name=paragraph_class_name),
rx.text(paragraph_text, as_="p", class_name=paragraph_class_name),
rx.el.div("Test external stylesheet", class_name="external"),
id="p-content",
)
assets = Path(__file__).resolve().parent.parent / "assets"
assets.mkdir(exist_ok=True)
stylesheet = assets / "test_styles.css"
stylesheet.write_text(".external { color: rgba(0, 0, 255, 0.5) }")
app = rx.App(style={"font_family": "monospace"}, stylesheets=[stylesheet.name])
app.add_page(index)
if tailwind_disabled:
config = rx.config.get_config()
config.tailwind = None
@pytest.fixture(params=[False, True], ids=["tailwind_enabled", "tailwind_disabled"])
def tailwind_disabled(request) -> bool:
"""Tailwind disabled fixture.
Args:
request: pytest request fixture.
Returns:
True if tailwind is disabled, False otherwise.
"""
return request.param
@pytest.fixture()
def tailwind_app(tmp_path, tailwind_disabled) -> Generator[AppHarness, None, None]:
"""Start TailwindApp app at tmp_path via AppHarness with tailwind disabled via config.
Args:
tmp_path: pytest tmp_path fixture
tailwind_disabled: Whether tailwind is disabled for the app.
Yields:
running AppHarness instance
"""
with AppHarness.create(
root=tmp_path,
app_source=functools.partial(TailwindApp, tailwind_disabled=tailwind_disabled), # type: ignore
app_name="tailwind_disabled_app" if tailwind_disabled else "tailwind_app",
) as harness:
yield harness
def test_tailwind_app(tailwind_app: AppHarness, tailwind_disabled: bool):
"""Test that the app can compile without tailwind.
Args:
tailwind_app: AppHarness instance.
tailwind_disabled: Whether tailwind is disabled for the app.
"""
assert tailwind_app.app_instance is not None
assert tailwind_app.backend is not None
driver = tailwind_app.frontend()
# Assert the app is stateless.
with pytest.raises(ValueError) as errctx:
_ = tailwind_app.app_instance.state_manager
errctx.match("The state manager has not been initialized.")
# Assert content is visible (and not some error)
content = driver.find_element(By.ID, "p-content")
paragraphs = content.find_elements(By.TAG_NAME, "p")
assert len(paragraphs) == 3
for p in paragraphs:
assert tailwind_app.poll_for_content(p, exp_not_equal="") == PARAGRAPH_TEXT
assert p.value_of_css_property("font-family") == "monospace"
if tailwind_disabled:
# expect default color, not "text-red-500" from tailwind utility class
assert p.value_of_css_property("color") not in TEXT_RED_500_COLOR
else:
# expect "text-red-500" from tailwind utility class
assert p.value_of_css_property("color") in TEXT_RED_500_COLOR
# Assert external stylesheet is applying rules
external = driver.find_elements(By.CLASS_NAME, "external")
assert len(external) == 1
for ext_div in external:
assert ext_div.value_of_css_property("color") == "rgba(0, 0, 255, 0.5)"