pin fakeredis ?

pyproject.toml

@@ -44,7 +44,7 @@ bw-generate-cli = "bec_widgets.cli.generate_cli:main"
 [project.optional-dependencies]
 dev = [
   "coverage~=7.0",
-  "fakeredis~=2.23, >=2.23.2",
+  "fakeredis==2.34.1",
   "pytest-bec-e2e>=2.21.4, <=4.0",
   "pytest-qt~=4.4",
   "pytest-random-order~=1.1",

tests/unit_tests/test_scan_control.py

@@ -3,6 +3,7 @@ from types import SimpleNamespace
 from unittest.mock import MagicMock, patch
 
 import pytest
+from bec_lib.client import BECClient
 from bec_lib.endpoints import MessageEndpoints
 from bec_lib.messages import AvailableResourceMessage, ScanHistoryMessage
 from qtpy.QtCore import QModelIndex, Qt
@@ -255,11 +256,10 @@ scan_history = ScanHistoryMessage(
 
 
 @pytest.fixture(scope="function")
-def scan_control(qtbot, mocked_client):  # , mock_dev):
+def scan_control(qtbot, mocked_client: BECClient):
+    mocked_client.connector._redis_conn.flushall()
     mocked_client.connector.set(MessageEndpoints.available_scans(), available_scans_message)
-    mocked_client.connector.xadd(
+    mocked_client.connector.xadd(MessageEndpoints.scan_history(), msg_dict={"data": scan_history})
-        topic=MessageEndpoints.scan_history(), msg_dict={"data": scan_history}
-    )
     widget = ScanControl(client=mocked_client)
     qtbot.addWidget(widget)
     qtbot.waitExposed(widget)
@@ -501,16 +501,29 @@ def test_changing_scans_remember_parameters(scan_control, mocked_client):
     assert grid_kwargs["burst_at_each_point"] == kwargs["burst_at_each_point"]
 
 
-def test_get_scan_parameters_from_redis(scan_control, mocked_client):
+def test_get_scan_parameters_from_redis(qtbot, scan_control: ScanControl, mocked_client):
+    scan_control.comboBox_scan_selection.setCurrentIndex(-1)
+    assert "line_scan" in [
+        scan_control.comboBox_scan_selection.itemText(i)
+        for i in range(scan_control.comboBox_scan_selection.count())
+    ]
     scan_name = "line_scan"
     scan_control.comboBox_scan_selection.setCurrentText(scan_name)
+    qtbot.wait(100)
+    slot_hit = False
 
+    def mock_request(*args):
+        ScanControl.request_last_executed_scan_parameters(scan_control, *args)
+        nonlocal slot_hit
+        slot_hit = True
+
+    scan_control.request_last_executed_scan_parameters = mock_request
+    # Trigger restore of parameters from history
     scan_control.toggle.checked = True
 
-    args, kwargs = scan_control.get_scan_parameters(bec_object=False)
+    qtbot.waitUntil(lambda: slot_hit, timeout=1000)
-
+    args = ["samx", 0.0, 2.0]
-    assert args == ["samx", 0.0, 2.0]
+    kwargs = {
-    assert kwargs == {
         "steps": 10,
         "relative": False,
         "exp_time": 2.0,
@@ -518,6 +531,10 @@ def test_get_scan_parameters_from_redis(scan_control, mocked_client):
         "metadata": {"comment": "", "sample_name": "", "scan_name": "line_scan"},
     }
 
+    qtbot.waitUntil(
+        lambda: scan_control.get_scan_parameters(bec_object=False) == (args, kwargs), timeout=5000
+    )
+
 
 TEST_MD = {
     "comment": "",
@@ -585,7 +602,7 @@ def test_scan_metadata_is_passed_to_scan_function(scan_control: ScanControl):
     scans.grid_scan.assert_called_once_with(metadata=TEST_MD)
 
 
-def test_restore_parameters_with_fewer_arg_bundles(scan_control, qtbot):
+def test_restore_parameters_with_fewer_arg_bundles(scan_control: ScanControl, qtbot):
     """
     Ensure that when more argument bundles are present than exist in the
     stored history, restoring parameters regenerates the arg box to the
@@ -593,19 +610,36 @@ def test_restore_parameters_with_fewer_arg_bundles(scan_control, qtbot):
     This is a check for the previous infinite loop bug.
     """
     # Select the scan type that has history with only one arg bundle
-    scan_control.comboBox_scan_selection.setCurrentText("line_scan")
+    scan_control.comboBox_scan_selection.setCurrentIndex(-1)
+    assert "line_scan" in [
+        scan_control.comboBox_scan_selection.itemText(i)
+        for i in range(scan_control.comboBox_scan_selection.count())
+    ]
+    scan_control.current_scan = "line_scan"
+    qtbot.waitUntil(lambda: scan_control.arg_box.count_arg_rows() == 1, timeout=1000)
 
     # Manually add bundles so we end up with three rows
     while scan_control.arg_box.count_arg_rows() < 3:
         scan_control.arg_box.add_widget_bundle()
     assert scan_control.arg_box.count_arg_rows() == 3
 
+    scan_control.client.connector.xadd(
+        MessageEndpoints.scan_history(), msg_dict={"data": scan_history}
+    )
+    slot_hit = False
+
+    def mock_request(*args):
+        ScanControl.request_last_executed_scan_parameters(scan_control, *args)
+        nonlocal slot_hit
+        slot_hit = True
+
+    scan_control.request_last_executed_scan_parameters = mock_request
     # Trigger restore of parameters from history
     scan_control.toggle.checked = True
-    qtbot.wait(200)
 
+    qtbot.waitUntil(lambda: slot_hit, timeout=1000)
     # After restore, arg_box should have only one bundle (the history size)
-    assert scan_control.arg_box.count_arg_rows() == 1
+    qtbot.waitUntil(lambda: scan_control.arg_box.count_arg_rows() == 1, timeout=1000)
 
     # Verify that the restored parameter values match the history
     args, kwargs = scan_control.get_scan_parameters(bec_object=False)