fix: migrate plugin scans to v4

.github/workflows/ci.yml

@@ -90,8 +90,13 @@ jobs:
           uv pip install --system -e ./bec/bec_ipython_client
           uv pip install --system -e ./bec/bec_server[dev]
           uv pip install --system -e ./bec_widgets[dev]
-          uv pip install --system -e ./bec_testing_plugin
+          uv pip install --system -e "./bec_testing_plugin[dev]"
 
       - name: Run Pytest with Coverage
         id: coverage
-        run: pytest --random-order --cov=./bec_testing_plugin --cov-config=./bec_testing_plugin/pyproject.toml --cov-branch --cov-report=xml --no-cov-on-fail ./bec_testing_plugin/tests/ || test $? -eq 5
+        run: |
+          if coverage run --rcfile=./bec_testing_plugin/pyproject.toml --branch --source=./bec_testing_plugin -m pytest --random-order ./bec_testing_plugin/tests/; then
+            coverage xml --rcfile=./bec_testing_plugin/pyproject.toml
+          else
+            test $? -eq 5
+          fi

bec_testing_plugin/scans/custom_scan.py

@@ -1,4 +1,4 @@
-from bec_server.scan_server.scans import LineScan
+from bec_server.scan_server.scans.line_scan import LineScan
 
 
 class CustomTestingScan(LineScan):

bec_testing_plugin/scans/device_progress_scan.py

@@ -1,10 +1,37 @@
-from bec_server.scan_server.scans import Scan
+from bec_server.scan_server.scans import position_generators
+from bec_server.scan_server.scans.grid_scan import GridScan, scan_hook
 
 
-class DeviceProgressScan(Scan):
+class DeviceProgressScan(GridScan):
     """A scan that simulates device progress updates."""
 
     scan_name = "device_progress_grid_scan"
 
-    def scan_report_instructions(self):
-        yield from self.stubs.scan_report_instruction({"device_progress": ["waveform"]})
+    @scan_hook
+    def prepare_scan(self):
+        """
+        Prepare the scan. This can include any steps that need to be executed
+        before the scan is opened, such as preparing the positions (if not done already)
+        or setting up the devices.
+        """
+        self.positions = position_generators.nd_grid_positions(
+            self.motor_input_bundles.values(), snaked=self.snaked
+        )
+
+        if self.relative:
+            self.start_positions = self.components.get_start_positions(self.motors)
+            self.positions += self.start_positions
+
+        self.components.check_limits(self.motors, self.positions)
+
+        self.update_scan_info(
+            positions=self.positions,
+            num_points=len(self.positions),
+            num_monitored_readouts=len(self.positions) * self.burst_at_each_point,
+        )
+
+        self.actions.add_scan_report_instruction_device_progress(device="waveform")
+
+        self._baseline_readout_status = self.actions.read_baseline_devices(wait=False)
+
+        self._premove_motor_status = self.actions.set(self.motors, self.positions[0], wait=False)

bec_testing_plugin/scans/scan_customization/scan_modifier.py

@@ -13,14 +13,14 @@
 class BecTestingPluginScanModifier(ScanModifier):
     """
     Scan modifier for bec_testing_plugin.
-    
+
     By inheriting from the ScanModifier base class, you get access to currently running scan (self.scan), the devices (self.dev), the scan info (self.scan_info),
     the scan components (self.components) and the scan actions (self.actions).
     """
 
-    def __init__(self, **kwargs):
+    def __init__(self, *args, **kwargs):
         """Initialize the scan modifier."""
-        super().__init__(**kwargs)
+        super().__init__(*args, **kwargs)
 
     # Example of running code before the scan stage for a specific scan
     # @scan_hook_impl("stage", "before")
@@ -29,5 +29,3 @@ def __init__(self, **kwargs):
     #     self.actions.send_client_info("Custom stage logic executed by ScanModifier.")
     #     if self.scan_info.scan_name == "example_scan":
     #         self.dev.samx.set(20)
-
-