esphome/tests/unit_tests/test_cpp_helpers.py
2021-05-17 17:14:15 +12:00

82 lines
2.2 KiB
Python

import pytest
from mock import Mock
from esphome import cpp_helpers as ch
from esphome import const
from esphome.cpp_generator import MockObj
@pytest.mark.asyncio
async def test_gpio_pin_expression__conf_is_none(monkeypatch):
actual = await ch.gpio_pin_expression(None)
assert actual is None
@pytest.mark.asyncio
async def test_gpio_pin_expression__new_pin(monkeypatch):
actual = await ch.gpio_pin_expression(
{const.CONF_NUMBER: 42, const.CONF_MODE: "input", const.CONF_INVERTED: False}
)
assert isinstance(actual, MockObj)
@pytest.mark.asyncio
async def test_register_component(monkeypatch):
var = Mock(base="foo.bar")
app_mock = Mock(register_component=Mock(return_value=var))
monkeypatch.setattr(ch, "App", app_mock)
core_mock = Mock(component_ids=["foo.bar"])
monkeypatch.setattr(ch, "CORE", core_mock)
add_mock = Mock()
monkeypatch.setattr(ch, "add", add_mock)
actual = await ch.register_component(var, {})
assert actual is var
add_mock.assert_called_once()
app_mock.register_component.assert_called_with(var)
assert core_mock.component_ids == []
@pytest.mark.asyncio
async def test_register_component__no_component_id(monkeypatch):
var = Mock(base="foo.eek")
core_mock = Mock(component_ids=["foo.bar"])
monkeypatch.setattr(ch, "CORE", core_mock)
with pytest.raises(ValueError, match="Component ID foo.eek was not declared to"):
await ch.register_component(var, {})
@pytest.mark.asyncio
async def test_register_component__with_setup_priority(monkeypatch):
var = Mock(base="foo.bar")
app_mock = Mock(register_component=Mock(return_value=var))
monkeypatch.setattr(ch, "App", app_mock)
core_mock = Mock(component_ids=["foo.bar"])
monkeypatch.setattr(ch, "CORE", core_mock)
add_mock = Mock()
monkeypatch.setattr(ch, "add", add_mock)
actual = await ch.register_component(
var,
{
const.CONF_SETUP_PRIORITY: "123",
const.CONF_UPDATE_INTERVAL: "456",
},
)
assert actual is var
add_mock.assert_called()
assert add_mock.call_count == 3
app_mock.register_component.assert_called_with(var)
assert core_mock.component_ids == []