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import sys
from pathlib import Path
from unittest.mock import MagicMock, sentinel
import pytest
from freezegun import freeze_time
from pytest_mock.plugin import MockerFixture
from pytest_watcher import watcher
from pytest_watcher.config import Config
from pytest_watcher.constants import LOOP_DELAY
from pytest_watcher.terminal import Terminal
from pytest_watcher.trigger import Trigger
@freeze_time("2020-01-01 00:00:00")
def test_main_loop_does_not_invoke_runner_without_trigger(
mock_subprocess_run: MagicMock,
mock_time_sleep: MagicMock,
config: Config,
mock_terminal: Terminal,
trigger: Trigger,
):
watcher.main_loop(trigger, config, mock_terminal)
mock_subprocess_run.assert_not_called()
mock_time_sleep.assert_called_once_with(LOOP_DELAY)
@freeze_time("2020-01-01 00:00:00")
def test_main_loop_does_not_invoke_runner_before_delay(
mock_subprocess_run: MagicMock,
mock_time_sleep: MagicMock,
config: Config,
mock_terminal: MagicMock,
trigger: Trigger,
):
trigger = Trigger(delay=5)
trigger.emit()
with freeze_time("2020-01-01 00:00:04"):
watcher.main_loop(trigger, config, mock_terminal)
mock_subprocess_run.assert_not_called()
mock_time_sleep.assert_called_once_with(LOOP_DELAY)
assert trigger.is_active()
@freeze_time("2020-01-01 00:00:00")
def test_main_loop_invokes_runner_after_delay(
mock_subprocess_run: MagicMock,
mock_time_sleep: MagicMock,
config: Config,
mock_terminal: MagicMock,
):
trigger = Trigger(delay=5)
trigger.emit()
config.runner = "custom"
config.runner_args = ["foo", "bar"]
with freeze_time("2020-01-01 00:00:06"):
watcher.main_loop(trigger, config, mock_terminal)
mock_subprocess_run.assert_called_once_with(["custom", "foo", "bar"])
mock_time_sleep.assert_called_once_with(LOOP_DELAY)
assert not trigger.is_active()
@freeze_time("2020-01-01 00:00:00")
def test_main_loop_clear(
mock_subprocess_run: MagicMock,
mock_time_sleep: MagicMock,
config: Config,
mock_terminal: MagicMock,
trigger: Trigger,
):
config.clear = True
trigger.emit()
with freeze_time("2020-01-01 00:00:06"):
watcher.main_loop(trigger, config, mock_terminal)
mock_terminal.clear.assert_called_once_with()
@freeze_time("2020-01-01 00:00:00")
def test_main_loop_no_clear(
mock_subprocess_run: MagicMock,
mock_time_sleep: MagicMock,
config: Config,
mock_terminal: MagicMock,
trigger: Trigger,
):
config.clear = False
trigger.emit()
with freeze_time("2020-01-01 00:00:06"):
watcher.main_loop(trigger, config, mock_terminal)
mock_terminal.clear.assert_not_called()
def test_main_loop_keystroke(
mock_subprocess_run: MagicMock,
mock_time_sleep: MagicMock,
mock_run_command: MagicMock,
config: Config,
trigger: Trigger,
mock_terminal: MagicMock,
):
trigger.emit()
mock_terminal.capture_keystroke.return_value = sentinel.KEYSTROKE
watcher.main_loop(trigger, config, mock_terminal)
mock_run_command.assert_called_once_with(
sentinel.KEYSTROKE, trigger, mock_terminal, config
)
def assert_observer_started(mock_observer: MagicMock, expected_path: Path):
mock_observer.assert_called_once_with()
observer_instance = mock_observer.return_value
observer_instance.schedule.assert_called_once()
observer_instance.start.assert_called_once()
path = mock_observer.return_value.schedule.call_args[0][1]
assert path == expected_path
def test_run_starts_the_observer_and_main_loop(
mocker: MockerFixture,
mock_observer: MagicMock,
mock_main_loop: MagicMock,
):
args = ["ptw", ".", "--lf", "--nf"]
mocker.patch.object(sys, "argv", args)
with pytest.raises(InterruptedError):
watcher.run()
assert_observer_started(mock_observer, Path("."))
mock_main_loop.assert_called_once()
def test_run_invokes_tests_right_away_if_now_flag_is_set(
mocker: MockerFixture,
mock_observer: MagicMock,
mock_main_loop: MagicMock,
):
mock_emit = mocker.patch("pytest_watcher.watcher.Trigger.emit", autospec=True)
args = ["ptw", ".", "--lf", "--nf", "--now"]
mocker.patch.object(sys, "argv", args)
with pytest.raises(InterruptedError):
watcher.run()
mock_emit.assert_called_once()
def test_patterns_and_ignore_patterns_are_passed_to_event_handler(
mocker: MockerFixture,
mock_observer: MagicMock,
mock_main_loop: MagicMock,
):
args = ["ptw", ".", "--patterns", "*.py,.env", "--ignore-patterns", "settings.py"]
mocker.patch.object(sys, "argv", args)
with pytest.raises(InterruptedError):
watcher.run()
event_handler = mock_observer.return_value.schedule.call_args[0][0]
assert event_handler.patterns == ["*.py", ".env"]
assert event_handler.ignore_patterns == ["settings.py"]
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