reflex/tests/test_event.py
2023-05-09 23:01:25 -07:00

138 lines
4.3 KiB
Python

import pytest
from pynecone import event
from pynecone.event import Event, EventHandler, EventSpec
from pynecone.utils import format
from pynecone.vars import Var
def make_var(value) -> Var:
"""Make a variable.
Args:
value: The value of the var.
Returns:
The var.
"""
var = Var.create(value)
assert var is not None
return var
def test_create_event():
"""Test creating an event."""
event = Event(token="token", name="state.do_thing", payload={"arg": "value"})
assert event.token == "token"
assert event.name == "state.do_thing"
assert event.payload == {"arg": "value"}
def test_call_event_handler():
"""Test that calling an event handler creates an event spec."""
def test_fn():
pass
test_fn.__qualname__ = "test_fn"
def test_fn_with_args(_, arg1, arg2):
pass
test_fn_with_args.__qualname__ = "test_fn_with_args"
handler = EventHandler(fn=test_fn)
event_spec = handler()
assert event_spec.handler == handler
assert event_spec.local_args == ()
assert event_spec.args == ()
assert format.format_event(event_spec) == 'E("test_fn", {})'
handler = EventHandler(fn=test_fn_with_args)
event_spec = handler(make_var("first"), make_var("second"))
# Test passing vars as args.
assert event_spec.handler == handler
assert event_spec.local_args == ()
assert event_spec.args == (("arg1", "first"), ("arg2", "second"))
assert (
format.format_event(event_spec)
== 'E("test_fn_with_args", {arg1:first,arg2:second})'
)
# Passing args as strings should format differently.
event_spec = handler("first", "second") # type: ignore
assert (
format.format_event(event_spec)
== 'E("test_fn_with_args", {arg1:"first",arg2:"second"})'
)
first, second = 123, "456"
handler = EventHandler(fn=test_fn_with_args)
event_spec = handler(first, second) # type: ignore
assert (
format.format_event(event_spec)
== 'E("test_fn_with_args", {arg1:123,arg2:"456"})'
)
assert event_spec.handler == handler
assert event_spec.local_args == ()
assert event_spec.args == (
("arg1", format.json_dumps(first)),
("arg2", format.json_dumps(second)),
)
handler = EventHandler(fn=test_fn_with_args)
with pytest.raises(TypeError):
handler(test_fn) # type: ignore
def test_event_redirect():
"""Test the event redirect function."""
spec = event.redirect("/path")
assert isinstance(spec, EventSpec)
assert spec.handler.fn.__qualname__ == "_redirect"
assert spec.args == (("path", "/path"),)
assert format.format_event(spec) == 'E("_redirect", {path:"/path"})'
spec = event.redirect(Var.create_safe("path"))
assert format.format_event(spec) == 'E("_redirect", {path:path})'
def test_event_console_log():
"""Test the event console log function."""
spec = event.console_log("message")
assert isinstance(spec, EventSpec)
assert spec.handler.fn.__qualname__ == "_console"
assert spec.args == (("message", "message"),)
assert format.format_event(spec) == 'E("_console", {message:"message"})'
spec = event.console_log(Var.create_safe("message"))
assert format.format_event(spec) == 'E("_console", {message:message})'
def test_event_window_alert():
"""Test the event window alert function."""
spec = event.window_alert("message")
assert isinstance(spec, EventSpec)
assert spec.handler.fn.__qualname__ == "_alert"
assert spec.args == (("message", "message"),)
assert format.format_event(spec) == 'E("_alert", {message:"message"})'
spec = event.window_alert(Var.create_safe("message"))
assert format.format_event(spec) == 'E("_alert", {message:message})'
def test_set_value():
"""Test the event window alert function."""
spec = event.set_value("input1", "")
assert isinstance(spec, EventSpec)
assert spec.handler.fn.__qualname__ == "_set_value"
assert spec.args == (
("ref", Var.create_safe("ref_input1")),
("value", ""),
)
assert format.format_event(spec) == 'E("_set_value", {ref:ref_input1,value:""})'
spec = event.set_value("input1", Var.create_safe("message"))
assert (
format.format_event(spec) == 'E("_set_value", {ref:ref_input1,value:message})'
)