async def test_incomplete_json(hass, parsed_json, message):
"""Existing data is not updated if JSON is invalid."""
print(message)
coordinator = YahooSymbolUpdateCoordinator(None, hass, DEFAULT_SCAN_INTERVAL)
coordinator.get_json = AsyncMock(return_value=parsed_json)
existing_data = {TEST_SYMBOL: {DATA_REGULAR_MARKET_PRICE: random.random()}}
coordinator.data = existing_data
# last_update_success is initially True
assert coordinator.last_update_success is True
await coordinator.async_refresh()
await hass.async_block_till_done()
# Data was invalid, existing data was left unchanged and last_update_success becomes False
assert coordinator.data is existing_data
assert coordinator.last_update_success is False
async def test_data_from_json(hass, mock_json):
"""Tests data update all the way from from json."""
symbol = "BABA"
coordinator = YahooSymbolUpdateCoordinator([symbol], hass,
DEFAULT_SCAN_INTERVAL)
coordinator.get_json = AsyncMock(return_value=mock_json)
await coordinator.async_refresh()
await hass.async_block_till_done()
sensor = YahooFinanceSensor(hass, coordinator, symbol, SAMPLE_VALID_CONFIG)
# Accessing `available` triggers data population
assert sensor.available is True
attributes = sensor.device_state_attributes
assert sensor.state == 232.73
assert attributes["regularMarketChange"] == -5.66
assert attributes["twoHundredDayAverageChangePercent"] == -0.13