Add Playwright test for exporting event list as CSV; implement helper…

OTAnalytics/plugin_ui/nicegui_gui/pages/analysis_form/container.py

@@ -12,6 +12,7 @@
 from OTAnalytics.plugin_ui.nicegui_gui.nicegui.elements.button_form import ButtonForm
 from OTAnalytics.plugin_ui.nicegui_gui.test_constants import TEST_ID
 
+MARKER_BUTTON_EXPORT_EVENT_LIST = "button-export-event-list"
 MARKER_BUTTON_EXPORT_TRACK_STATISTICS = "button-export-track-statistics"
 
 
@@ -41,7 +42,7 @@ def build(self) -> None:
                         AnalysisKeys.BUTTON_TEXT_EXPORT_EVENT_LIST
                     ),
                     on_click=self._viewmodel.export_events,
-                )
+                ).props(f"{TEST_ID}={MARKER_BUTTON_EXPORT_EVENT_LIST}")
             with ui.row():
                 self._button_export_counts = ui.button(
                     self._resource_manager.get(AnalysisKeys.BUTTON_TEXT_EXPORT_COUNTS),

tests/acceptance/test_create_important_test_data.py

@@ -47,6 +47,7 @@
     click_update_offset_button,
     create_flow,
     create_section,
+    export_event_list,
     export_track_statistics,
     get_loaded_tracks_canvas_from_otconfig,
     load_main_page,
@@ -311,3 +312,37 @@ def test_generate_track_statistics_reference_file(
         # Copy to the main test data directory for reuse
         permanent_path = data_dir / "track_statistics_reference.csv"
         shutil.copy(output_path, permanent_path)
+
+    @pytest.mark.timeout(ACCEPTANCE_TEST_PYTEST_TIMEOUT)
+    @pytest.mark.playwright
+    @pytest.mark.usefixtures("external_app")
+    def test_generate_event_list_reference_file(
+        self,
+        external_app: NiceGUITestServer,
+        page: Page,
+        resource_manager: ResourceManager,
+        test_data_tmp_dir: Path,
+    ) -> None:
+        """Generate reference events_reference.csv file using Desktop GUI.
+
+        This test:
+        - Loads a pre-configured project with video, tracks, sections, and flows
+        - Clicks "Export eventlist ..."
+        - Selects "CSV (OpenTrafficCam)" format (default)
+        - Uses default values in the export dialog
+        - Saves the file
+        - Copies it to the test data directory as reference
+
+        The resulting file can be used by other tests to compare exported output.
+        """
+        data_dir = Path(__file__).parents[1] / "data"
+        otconfig_path = data_dir / "sections_created_test_file.otconfig"
+
+        # Export event list
+        output_path = export_event_list(
+            page, external_app, resource_manager, test_data_tmp_dir, otconfig_path
+        )
+
+        # Copy to the main test data directory for reuse
+        permanent_path = data_dir / "events_reference.csv"
+        shutil.copy(output_path, permanent_path)

tests/acceptance/test_export_event_list.py

@@ -0,0 +1,63 @@
+"""Test to export event list and compare with reference file.
+
+This test:
+1. Loads a pre-configured project with video, tracks, sections, and flows
+2. Clicks "Export eventlist ..." button
+3. Verifies export dialog appears
+4. Selects "CSV (OpenTrafficCam)" format (default)
+5. Uses default values and clicks OK
+6. Verifies file is created with default name
+7. Compares exported file with reference file from Desktop GUI
+"""
+
+from pathlib import Path
+
+import pytest
+from playwright.sync_api import Page  # type: ignore
+
+from OTAnalytics.application.resources.resource_manager import ResourceManager
+from tests.acceptance.conftest import NiceGUITestServer
+from tests.utils.playwright_helpers import compare_csv_files, export_event_list
+
+playwright = pytest.importorskip(
+    "playwright.sync_api", reason="pytest-playwright is required for this test"
+)
+
+
+@pytest.mark.timeout(300)
+@pytest.mark.playwright
+@pytest.mark.usefixtures("external_app")
+def test_export_event_list(
+    page: Page,
+    external_app: NiceGUITestServer,
+    resource_manager: ResourceManager,
+    test_data_tmp_dir: Path,
+) -> None:
+    """Test export event list functionality.
+
+    Test Steps:
+    1. Load pre-configured project with tracks, sections, and flows
+    2. Click "Export eventlist ..." button
+    3. Verify popup appears for selecting output format
+    4. Select "CSV (OpenTrafficCam)" (default)
+    5. Use default file name (name of the project or start date)
+    6. Click "Ok"
+    7. Verify file is created in execution folder with default name
+    8. Compare the exported file with reference file from Desktop GUI
+
+    Expected Results:
+    - Export dialog appears when button is clicked
+    - File is created with correct default name
+    - Exported file matches reference file content
+    """
+    data_dir = Path(__file__).parents[1] / "data"
+    otconfig_path = data_dir / "sections_created_test_file.otconfig"
+
+    # Export event list
+    output_path = export_event_list(
+        page, external_app, resource_manager, test_data_tmp_dir, otconfig_path
+    )
+
+    # Compare with reference file
+    reference_path = data_dir / "events_reference.csv"
+    compare_csv_files(output_path, reference_path)

tests/utils/playwright_helpers.py

@@ -50,6 +50,7 @@
     MARKER_VIDEO_TABLE,
 )
 from OTAnalytics.plugin_ui.nicegui_gui.pages.analysis_form.container import (
+    MARKER_BUTTON_EXPORT_EVENT_LIST,
     MARKER_BUTTON_EXPORT_TRACK_STATISTICS,
 )
 from OTAnalytics.plugin_ui.nicegui_gui.pages.canvas_and_files_form.canvas_form import (
@@ -525,6 +526,53 @@ def export_file_via_dialog(page: Page, output_dir: Path) -> Path:
     return output_dir / current_filename
 
 
+def export_event_list(
+    page: Page,
+    external_app: Any,
+    resource_manager: Any,
+    test_data_tmp_dir: Path,
+    otconfig_path: Path,
+) -> Path:
+    """Export event list from a pre-configured project.
+
+    This function:
+    - Loads the main page
+    - Opens the specified otconfig file
+    - Clicks the export event list button
+    - Handles the export dialog
+    - Returns the path to the exported file
+
+    Args:
+        page: The Playwright page object
+        external_app: The NiceGUI test server
+        resource_manager: The resource manager for localized text
+        test_data_tmp_dir: Directory where the file should be exported
+        otconfig_path: Path to the otconfig file to load
+
+    Returns:
+        Path to the exported event list file
+    """
+    # Setup: Load tracks with preconfigured file
+    load_main_page(page, external_app)
+
+    # Load the otconfig file
+    open_project_otconfig(page, resource_manager, otconfig_path)
+
+    # Click "Export eventlist ..." button
+    export_button = search_for_marker_element(
+        page, MARKER_BUTTON_EXPORT_EVENT_LIST
+    ).first
+    export_button.click()
+
+    # Handle export dialog and get output path
+    output_path = export_file_via_dialog(page, test_data_tmp_dir)
+
+    # Verify the file was created
+    assert output_path.exists(), f"Event list file not created: {output_path}"
+
+    return output_path
+
+
 def export_track_statistics(
     page: Page,
     external_app: Any,