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from unittest.mock import MagicMock
import briefcase.console
from briefcase.console import Console, NotDeadYet
def test_update(capsys, monkeypatch):
"""The message is only printed once for each interval."""
# initialization will set interval to 0 + 10
# update() will see time either at 5 or 15 and print the message accordingly
# then interval is reset back to 0 + 10
monkeypatch.setattr(
briefcase.console.time,
"time",
MagicMock(side_effect=[0] + [10 - 5, 10 + 5, 0] * 3),
)
keep_alive = NotDeadYet(console=Console())
for _ in range(3):
keep_alive.update()
keep_alive.update()
assert capsys.readouterr().out == (
"... still waiting\n... still waiting\n... still waiting\n"
)
def test_reset(capsys, monkeypatch):
"""Calling reset always puts the interval in the future and nothing prints."""
# initialization will set interval to 0 + 10
# the reset updates the interval to 10 + 10
# the update sees a time of 15 and doesn't print or reset
monkeypatch.setattr(
briefcase.console.time,
"time",
MagicMock(side_effect=[0] + [10, 15] * 10),
)
keep_alive = NotDeadYet(console=Console())
for _ in range(10):
keep_alive.reset()
keep_alive.update()
assert capsys.readouterr().out == ""
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