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Update TrackTemplateResultInfo to remove side effects from init (#38934)

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* Verify and case

* Review comments

* Update homeassistant/helpers/event.py

Co-authored-by: Martin Hjelmare <marhje52@gmail.com>

* Update homeassistant/helpers/event.py

Co-authored-by: Martin Hjelmare <marhje52@gmail.com>

Co-authored-by: Martin Hjelmare <marhje52@gmail.com>
This commit is contained in:
J. Nick Koston
2020-08-16 11:16:28 -05:00
committed by GitHub
parent 66a5f24d4a
commit 472b12bef5
2 changed files with 69 additions and 5 deletions
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46
tests/helpers/test_event.py
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@@ -796,6 +796,52 @@ async def test_track_template_result_with_group(hass):
assert specific_runs[-1] == str(100.1 + 200.2 + 0 + 800.8)
async def test_track_template_result_and_conditional(hass):
"""Test tracking template with an and conditional."""
specific_runs = []
hass.states.async_set("light.a", "off")
hass.states.async_set("light.b", "off")
template_str = '{% if states.light.a.state == "on" and states.light.b.state == "on" %}on{% else %}off{% endif %}'
template = Template(template_str, hass)
def specific_run_callback(event, template, old_result, new_result):
import pprint
pprint.pprint([event, template, old_result, new_result])
specific_runs.append(new_result)
async_track_template_result(hass, template, specific_run_callback)
await hass.async_block_till_done()
hass.states.async_set("light.b", "on")
await hass.async_block_till_done()
assert len(specific_runs) == 0
hass.states.async_set("light.a", "on")
await hass.async_block_till_done()
assert len(specific_runs) == 1
assert specific_runs[0] == "on"
hass.states.async_set("light.b", "off")
await hass.async_block_till_done()
assert len(specific_runs) == 2
assert specific_runs[1] == "off"
hass.states.async_set("light.a", "off")
await hass.async_block_till_done()
assert len(specific_runs) == 2
hass.states.async_set("light.b", "on")
await hass.async_block_till_done()
assert len(specific_runs) == 2
hass.states.async_set("light.a", "on")
await hass.async_block_till_done()
assert len(specific_runs) == 3
assert specific_runs[2] == "on"
async def test_track_template_result_iterator(hass):
"""Test tracking template."""
iterator_runs = []