reflex/tests/components/base/test_script.py

72 lines
2.0 KiB
Python

"""Test that Script from next/script renders correctly."""
import pytest
from reflex.components.base.script import Script
from reflex.state import BaseState
def test_script_inline():
"""Test inline scripts are rendered as children."""
component = Script.create("let x = 42")
render_dict = component.render()
assert render_dict["name"] == "Script"
assert not render_dict["contents"]
assert len(render_dict["children"]) == 1
assert render_dict["children"][0]["contents"] == "{`let x = 42`}"
def test_script_src():
"""Test src prop is rendered without children."""
component = Script.create(src="foo.js")
render_dict = component.render()
assert render_dict["name"] == "Script"
assert not render_dict["contents"]
assert not render_dict["children"]
assert "src={`foo.js`}" in render_dict["props"]
def test_script_neither():
"""Specifying neither children nor src is a ValueError."""
with pytest.raises(ValueError):
Script.create()
class EvState(BaseState):
"""State for testing event handlers."""
def on_ready(self):
"""Empty event handler."""
pass
def on_load(self):
"""Empty event handler."""
pass
def on_error(self):
"""Empty event handler."""
pass
def test_script_event_handler():
"""Test event handlers are rendered as expected."""
component = Script.create(
src="foo.js",
on_ready=EvState.on_ready,
on_load=EvState.on_load,
on_error=EvState.on_error,
)
render_dict = component.render()
assert (
f'onReady={{(...args) => addEvents([Event("{EvState.get_full_name()}.on_ready", {{}})], args, {{}})}}'
in render_dict["props"]
)
assert (
f'onLoad={{(...args) => addEvents([Event("{EvState.get_full_name()}.on_load", {{}})], args, {{}})}}'
in render_dict["props"]
)
assert (
f'onError={{(...args) => addEvents([Event("{EvState.get_full_name()}.on_error", {{}})], args, {{}})}}'
in render_dict["props"]
)