Files
bec_widgets/tests/unit_tests/test_scan_progress_bar.py
T

217 lines
7.7 KiB
Python
Raw Blame History

This file contains ambiguous Unicode characters
This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.
from unittest import mock
import numpy as np
import pytest
from bec_widgets.utils.bec_widget import BECWidget
from bec_widgets.widgets.progress.bec_progressbar.bec_progressbar import (
BECProgressBar,
ProgressState,
)
from bec_widgets.widgets.progress.progress_backend import ProgressTask
from bec_widgets.widgets.progress.scan_progressbar.scan_progressbar import ScanProgressBar
from .client_mocks import mocked_client
@pytest.fixture
def scan_progressbar(qtbot, mocked_client):
widget = ScanProgressBar(client=mocked_client)
qtbot.addWidget(widget)
qtbot.waitExposed(widget)
yield widget
def test_progress_task_basic():
"""percentage, remaining, and formatted time helpers behave as expected."""
task = ProgressTask(parent=None, value=50, max_value=100, done=False)
task.timer.stop() # we dont want the timer ticking in tests
task._elapsed_time = 10 # simulate 10 s elapsed
# 50 / 100 ⇒ 50 %
assert task.percentage == 50
# speed = value / elapsed = 5 steps / s
assert np.isclose(task.speed, 5)
# remaining steps = 50 ; time_remaining ≈ 10 s
assert task.remaining == 50
assert task.time_remaining == "00:00:10"
# time_elapsed formatting
assert task.time_elapsed == "00:00:10"
def test_progress_task_elapsed_time_uses_monotonic_clock(monkeypatch):
times = iter([100.0, 102.5])
monkeypatch.setattr(
"bec_widgets.widgets.progress.progress_backend.time.monotonic", lambda: next(times)
)
task = ProgressTask(parent=None)
task.timer.stop()
task.update_elapsed_time()
assert task._elapsed_time == 2.5
assert task.time_elapsed == "00:00:02"
def test_scan_progressbar_initialization(scan_progressbar):
assert isinstance(scan_progressbar, ScanProgressBar)
assert isinstance(scan_progressbar.progressbar, BECProgressBar)
def test_scan_progressbar_passes_dynamic_stylesheet_setting(qtbot, mocked_client):
widget = ScanProgressBar(client=mocked_client, enable_dynamic_stylesheet=False)
qtbot.addWidget(widget)
assert widget.progressbar.enable_dynamic_stylesheet is False
def test_scan_progressbar_starts_from_scan_progress_before_queue_update(scan_progressbar):
scan_progressbar.progress_tracker.clear_task(emit_finished=False)
scan_progressbar.progress_tracker.process_progress_message(
{"value": 3, "max_value": 10, "done": False}, metadata={"RID": "live-rid"}
)
assert scan_progressbar.progress_tracker.task is not None
assert scan_progressbar.progress_tracker._active_scan_id == "live-rid"
assert scan_progressbar.progressbar._user_value == 3
assert scan_progressbar.progressbar._user_maximum == 10
def test_update_labels_content(scan_progressbar):
"""update_labels() reflects ProgressTask time strings on the UI."""
# fabricate a task with known timings
task = ProgressTask(parent=scan_progressbar, value=30, max_value=100, done=False)
task.timer.stop()
task._elapsed_time = 50
scan_progressbar.progress_tracker.task = task
scan_progressbar.update_labels()
assert scan_progressbar.ui.elapsed_time_label.text() == "00:00:50"
assert scan_progressbar.ui.remaining_time_label.text() == "00:01:57"
def test_progress_update(qtbot, scan_progressbar):
"""
Scan progress updates should update the embedded BECProgressBar
and keep ProgressTask in sync.
"""
task = ProgressTask(parent=scan_progressbar, value=0, max_value=100, done=False)
task.timer.stop()
scan_progressbar.progress_tracker.task = task
msg = {"value": 20, "max_value": 100, "done": False}
scan_progressbar.progress_tracker.process_progress_message(msg, metadata={"status": "open"})
qtbot.wait(200)
bar = scan_progressbar.progressbar
assert bar._user_value == 20
assert bar._user_maximum == 100
# state reflects BEC status
assert bar.state is ProgressState.NORMAL
@pytest.mark.parametrize(
"status, value, max_val, expected_state",
[
("open", 10, 100, ProgressState.NORMAL),
("paused", 25, 100, ProgressState.PAUSED),
("aborted", 30, 100, ProgressState.INTERRUPTED),
("halt", 40, 100, ProgressState.PAUSED),
("halted", 40, 100, ProgressState.PAUSED),
("closed", 100, 100, ProgressState.COMPLETED),
("user_completed", 40, 100, ProgressState.PAUSED),
],
)
def test_state_mapping_during_updates(
qtbot, scan_progressbar, status, value, max_val, expected_state
):
"""ScanProgressBar should translate BEC status → ProgressState consistently."""
task = ProgressTask(parent=scan_progressbar, value=0, max_value=max_val, done=False)
task.timer.stop()
scan_progressbar.progress_tracker.task = task
scan_progressbar.progress_tracker.process_progress_message(
{"value": value, "max_value": max_val, "done": status == "closed"},
metadata={"status": status},
)
assert scan_progressbar.progressbar.state is expected_state
def test_aborted_done_scan_keeps_partial_progress(scan_progressbar):
scan_progressbar.progress_tracker.process_progress_message(
{"value": 4, "max_value": 10, "done": True},
metadata={"scan_id": "scan-1", "RID": "rid-1", "status": "aborted"},
)
assert scan_progressbar.progressbar._user_value == 4
assert scan_progressbar.progressbar._user_maximum == 10
assert scan_progressbar.progressbar.state is ProgressState.INTERRUPTED
assert scan_progressbar.progress_tracker.task is None
def test_source_label_updates(scan_progressbar):
"""update_source_label() renders the current scan label."""
scan_progressbar.progress_tracker.scan_number = 5
scan_progressbar.update_source_label()
assert scan_progressbar.ui.source_label.text() == "Scan 5"
def test_source_label_update_logs_only_on_text_change(scan_progressbar):
scan_progressbar.progress_tracker.scan_number = 5
with mock.patch(
"bec_widgets.widgets.progress.scan_progressbar.scan_progressbar.logger.info"
) as mock_info:
scan_progressbar.update_source_label()
scan_progressbar.update_source_label()
scan_progressbar.update_source_label()
mock_info.assert_called_once_with("Set progress source to Scan 5")
def test_cleanup_disconnects_active_scan_subscription(scan_progressbar, monkeypatch):
disconnect_calls = []
monkeypatch.setattr(scan_progressbar.bec_dispatcher, "connect_slot", lambda *args: None)
monkeypatch.setattr(
scan_progressbar.bec_dispatcher,
"disconnect_slot",
lambda slot, endpoint: disconnect_calls.append(endpoint),
)
monkeypatch.setattr(scan_progressbar.progressbar, "close", lambda: None)
monkeypatch.setattr(scan_progressbar.progressbar, "deleteLater", lambda: None)
monkeypatch.setattr(BECWidget, "cleanup", lambda self: None)
with (
mock.patch.object(scan_progressbar, "close", wraps=scan_progressbar.close) as close_mock,
mock.patch.object(
scan_progressbar, "deleteLater", wraps=scan_progressbar.deleteLater
) as delete_later_mock,
):
ScanProgressBar.cleanup(scan_progressbar)
assert len(disconnect_calls) == 1
assert scan_progressbar.progress_tracker._connected is False
close_mock.assert_not_called()
delete_later_mock.assert_not_called()
def test_cleanup_stops_active_task(scan_progressbar, monkeypatch):
monkeypatch.setattr(BECWidget, "cleanup", lambda self: None)
scan_progressbar.progress_tracker.task = ProgressTask(parent=scan_progressbar)
scan_progressbar.progress_tracker._active_scan_id = "scan-1"
timer = scan_progressbar.progress_tracker.task.timer
ScanProgressBar.cleanup(scan_progressbar)
assert not timer.isActive()
assert scan_progressbar.progress_tracker.task is None
assert scan_progressbar.progress_tracker._active_scan_id is None