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fix(frontend): preserve operator state border on workflow page return #5146

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d90acc5
fix(frontend): preserve operator state border on workflow page return
PG1204 May 22, 2026
625ecb7
Merge branch 'apache:main' into fix/prevent-operator-status-color-reset
PG1204 May 22, 2026
ed48ba6
Merge branch 'apache:main' into fix/prevent-operator-status-color-reset
PG1204 May 24, 2026
0dc92ea
test: enable workflow-editor spec under jsdom, skip jsdom-incompatibl…
PG1204 May 24, 2026
2933bf8
Merge branch 'apache:main' into fix/prevent-operator-status-color-reset
PG1204 May 25, 2026
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5 changes: 1 addition & 4 deletions frontend/angular.json
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Original file line number Diff line number Diff line change
Expand Up @@ -92,10 +92,7 @@
"runnerConfig": "vitest.config.ts",
"tsConfig": "src/tsconfig.spec.json",
"include": ["**/*.spec.ts"],
"setupFiles": ["src/jsdom-svg-polyfill.ts"],
"exclude": [
"**/app/workspace/component/workflow-editor/workflow-editor.component.spec.ts"
]
"setupFiles": ["src/jsdom-svg-polyfill.ts"]
}
},
"test-browser": {
Expand Down
361 changes: 222 additions & 139 deletions frontend/src/app/workspace/component/workflow-editor/workflow-editor.component.spec.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -42,6 +42,7 @@ import {
mockSentimentPredicate,
} from "../../service/workflow-graph/model/mock-workflow-data";
import { WorkflowStatusService } from "../../service/workflow-status/workflow-status.service";
import { OperatorState } from "../../types/execute-workflow.interface";
import { ExecuteWorkflowService } from "../../service/execute-workflow/execute-workflow.service";
import { HttpClientTestingModule } from "@angular/common/http/testing";
import { OperatorLink, OperatorPredicate } from "../../types/workflow-common.interface";
Expand Down Expand Up @@ -232,99 +233,107 @@ describe("WorkflowEditorComponent", () => {
fixture.detectChanges();
});

it("should try to highlight the operator when user mouse clicks on an operator", () => {
const jointGraphWrapper = workflowActionService.getJointGraphWrapper();
// install a spy on the highlight operator function and pass the call through
vi.spyOn(jointGraphWrapper, "highlightOperators");
workflowActionService.addOperator(mockScanPredicate, mockPoint);

// unhighlight the operator in case it's automatically highlighted
jointGraphWrapper.unhighlightOperators(mockScanPredicate.operatorID);

// find the joint Cell View object of the operator element
const jointCellView = component.paper.findViewByModel(mockScanPredicate.operatorID);
jointCellView.$el.trigger("mousedown");

fixture.detectChanges();

// assert the function is called once
// expect(highlightOperatorFunctionSpy.calls.count()).toEqual(1);
// assert the highlighted operator is correct
expect(jointGraphWrapper.getCurrentHighlightedOperatorIDs()).toEqual([mockScanPredicate.operatorID]);
});

it("should highlight the commentBox when user clicks on a commentBox", () => {
const jointGraphWrapper = workflowActionService.getJointGraphWrapper();
vi.spyOn(jointGraphWrapper, "highlightCommentBoxes");
workflowActionService.addCommentBox(mockCommentBox);
jointGraphWrapper.unhighlightCommentBoxes(mockCommentBox.commentBoxID);
const jointCellView = component.paper.findViewByModel(mockCommentBox.commentBoxID);
jointCellView.$el.trigger("mousedown");
fixture.detectChanges();
expect(jointGraphWrapper.getCurrentHighlightedCommentBoxIDs()).toEqual([mockCommentBox.commentBoxID]);
});

it("should open commentBox as NzModal when user double clicks on a commentBox", () => {
const modalRef: NzModalRef = nzModalService.create({
nzTitle: "CommentBox",
nzContent: NzModalCommentBoxComponent,
nzData: { commentBox: createYTypeFromObject(mockCommentBox) },
nzAutofocus: null,
nzFooter: [
{
label: "OK",
onClick: () => {
modalRef.destroy();
},
type: "primary",
},
],
});
vi.spyOn(nzModalService, "create").mockReturnValue(modalRef);
const jointGraphWrapper = workflowActionService.getJointGraphWrapper();
workflowActionService.addCommentBox(mockCommentBox);
jointGraphWrapper.highlightCommentBoxes(mockCommentBox.commentBoxID);
const jointCellView = component.paper.findViewByModel(mockCommentBox.commentBoxID);
jointCellView.$el.trigger("dblclick");
expect(nzModalService.create).toHaveBeenCalled();
fixture.detectChanges();
modalRef.destroy();
});

it("should unhighlight all highlighted operators when user mouse clicks on the blank space", () => {
const jointGraphWrapper = workflowActionService.getJointGraphWrapper();

// add and highlight two operators
workflowActionService.addOperatorsAndLinks(
[
{ op: mockScanPredicate, pos: mockPoint },
{ op: mockResultPredicate, pos: mockPoint },
],
[]
);
jointGraphWrapper.highlightOperators(mockScanPredicate.operatorID, mockResultPredicate.operatorID);

// assert that both operators are highlighted
expect(jointGraphWrapper.getCurrentHighlightedOperatorIDs()).toContain(mockScanPredicate.operatorID);
expect(jointGraphWrapper.getCurrentHighlightedOperatorIDs()).toContain(mockResultPredicate.operatorID);

// find a blank area on the JointJS paper
const blankPoint = { x: mockPoint.x + 100, y: mockPoint.y + 100 };
expect(component.paper.findViewsFromPoint(blankPoint)).toEqual([]);

// trigger a click on the blank area using JointJS paper's jQuery element
const point = component.paper.localToClientPoint(blankPoint);
const event = createJQueryEvent("mousedown", {
clientX: point.x,
clientY: point.y,
});
component.paper.$el.trigger(event);

fixture.detectChanges();

// assert that all operators are unhighlighted
expect(jointGraphWrapper.getCurrentHighlightedOperatorIDs()).toEqual([]);
});
// TODO(#3614): the following four mouse/click-event tests rely on JointJS
// event paths that jsdom does not implement (HTMLCanvasElement.getContext,
// SVG hit-testing, jQuery .trigger("mousedown"/"dblclick") dispatch to
// JointJS cell views). They pass under the test-browser target
// (ng run gui:test-browser, real Chrome via Playwright) but fail under
// the default jsdom-based test runner. Commented out so the spec file
// can be included in the default test run; revive once a jsdom-compatible
// path or a runtime-targeted skip helper is available.
// it("should try to highlight the operator when user mouse clicks on an operator", () => {
// const jointGraphWrapper = workflowActionService.getJointGraphWrapper();
// // install a spy on the highlight operator function and pass the call through
// vi.spyOn(jointGraphWrapper, "highlightOperators");
// workflowActionService.addOperator(mockScanPredicate, mockPoint);
//
// // unhighlight the operator in case it's automatically highlighted
// jointGraphWrapper.unhighlightOperators(mockScanPredicate.operatorID);
//
// // find the joint Cell View object of the operator element
// const jointCellView = component.paper.findViewByModel(mockScanPredicate.operatorID);
// jointCellView.$el.trigger("mousedown");
//
// fixture.detectChanges();
//
// // assert the function is called once
// // expect(highlightOperatorFunctionSpy.calls.count()).toEqual(1);
// // assert the highlighted operator is correct
// expect(jointGraphWrapper.getCurrentHighlightedOperatorIDs()).toEqual([mockScanPredicate.operatorID]);
// });
//
// it("should highlight the commentBox when user clicks on a commentBox", () => {
// const jointGraphWrapper = workflowActionService.getJointGraphWrapper();
// vi.spyOn(jointGraphWrapper, "highlightCommentBoxes");
// workflowActionService.addCommentBox(mockCommentBox);
// jointGraphWrapper.unhighlightCommentBoxes(mockCommentBox.commentBoxID);
// const jointCellView = component.paper.findViewByModel(mockCommentBox.commentBoxID);
// jointCellView.$el.trigger("mousedown");
// fixture.detectChanges();
// expect(jointGraphWrapper.getCurrentHighlightedCommentBoxIDs()).toEqual([mockCommentBox.commentBoxID]);
// });
//
// it("should open commentBox as NzModal when user double clicks on a commentBox", () => {
// const modalRef: NzModalRef = nzModalService.create({
// nzTitle: "CommentBox",
// nzContent: NzModalCommentBoxComponent,
// nzData: { commentBox: createYTypeFromObject(mockCommentBox) },
// nzAutofocus: null,
// nzFooter: [
// {
// label: "OK",
// onClick: () => {
// modalRef.destroy();
// },
// type: "primary",
// },
// ],
// });
// vi.spyOn(nzModalService, "create").mockReturnValue(modalRef);
// const jointGraphWrapper = workflowActionService.getJointGraphWrapper();
// workflowActionService.addCommentBox(mockCommentBox);
// jointGraphWrapper.highlightCommentBoxes(mockCommentBox.commentBoxID);
// const jointCellView = component.paper.findViewByModel(mockCommentBox.commentBoxID);
// jointCellView.$el.trigger("dblclick");
// expect(nzModalService.create).toHaveBeenCalled();
// fixture.detectChanges();
// modalRef.destroy();
// });
//
// it("should unhighlight all highlighted operators when user mouse clicks on the blank space", () => {
// const jointGraphWrapper = workflowActionService.getJointGraphWrapper();
//
// // add and highlight two operators
// workflowActionService.addOperatorsAndLinks(
// [
// { op: mockScanPredicate, pos: mockPoint },
// { op: mockResultPredicate, pos: mockPoint },
// ],
// []
// );
// jointGraphWrapper.highlightOperators(mockScanPredicate.operatorID, mockResultPredicate.operatorID);
//
// // assert that both operators are highlighted
// expect(jointGraphWrapper.getCurrentHighlightedOperatorIDs()).toContain(mockScanPredicate.operatorID);
// expect(jointGraphWrapper.getCurrentHighlightedOperatorIDs()).toContain(mockResultPredicate.operatorID);
//
// // find a blank area on the JointJS paper
// const blankPoint = { x: mockPoint.x + 100, y: mockPoint.y + 100 };
// expect(component.paper.findViewsFromPoint(blankPoint)).toEqual([]);
//
// // trigger a click on the blank area using JointJS paper's jQuery element
// const point = component.paper.localToClientPoint(blankPoint);
// const event = createJQueryEvent("mousedown", {
// clientX: point.x,
// clientY: point.y,
// });
// component.paper.$el.trigger(event);
//
// fixture.detectChanges();
//
// // assert that all operators are unhighlighted
// expect(jointGraphWrapper.getCurrentHighlightedOperatorIDs()).toEqual([]);
// });

it("should react to operator highlight event and change the appearance of the operator to be highlighted", () => {
const jointGraphWrapper = workflowActionService.getJointGraphWrapper();
Expand Down Expand Up @@ -844,52 +853,56 @@ describe("WorkflowEditorComponent", () => {
// }
// });

it("should highlight multiple operators when user clicks on them with shift key pressed", () => {
const jointGraphWrapper = workflowActionService.getJointGraphWrapper();

workflowActionService.addOperator(mockScanPredicate, mockPoint);
workflowActionService.addOperator(mockResultPredicate, mockPoint);
jointGraphWrapper.highlightOperators(mockResultPredicate.operatorID);

// assert that only the last operator is highlighted
expect(jointGraphWrapper.getCurrentHighlightedOperatorIDs()).toContain(mockResultPredicate.operatorID);
expect(jointGraphWrapper.getCurrentHighlightedOperatorIDs()).not.toContain(mockScanPredicate.operatorID);

// find the joint Cell View object of the first operator element
const jointCellView = component.paper.findViewByModel(mockScanPredicate.operatorID);

// trigger a shift click on the cell view using its jQuery element
const event = createJQueryEvent("mousedown", { shiftKey: true });
jointCellView.$el.trigger(event);

fixture.detectChanges();

// assert that both operators are highlighted
expect(jointGraphWrapper.getCurrentHighlightedOperatorIDs()).toContain(mockScanPredicate.operatorID);
expect(jointGraphWrapper.getCurrentHighlightedOperatorIDs()).toContain(mockResultPredicate.operatorID);
});

it("should unhighlight the highlighted operator when user clicks on it with shift key pressed", () => {
const jointGraphWrapper = workflowActionService.getJointGraphWrapper();

workflowActionService.addOperator(mockScanPredicate, mockPoint);
jointGraphWrapper.highlightOperators(mockScanPredicate.operatorID);

// assert that the operator is highlighted
expect(jointGraphWrapper.getCurrentHighlightedOperatorIDs()).toContain(mockScanPredicate.operatorID);

// find the joint Cell View object of the operator element
const jointCellView = component.paper.findViewByModel(mockScanPredicate.operatorID);

// trigger a shift click on the cell view using its jQuery element
const event = createJQueryEvent("mousedown", { shiftKey: true });
jointCellView.$el.trigger(event);

fixture.detectChanges();

// assert that the operator is unhighlighted
expect(jointGraphWrapper.getCurrentHighlightedOperatorIDs()).not.toContain(mockScanPredicate.operatorID);
});
// TODO(#3614): the next two shift-click multi-select tests also depend on
// jsdom-incompatible JointJS event paths (see the earlier mouse-event
// block above). Passing under ng run gui:test-browser; commented out so
// the spec file can run under the default jsdom test target.
// it("should highlight multiple operators when user clicks on them with shift key pressed", () => {
// const jointGraphWrapper = workflowActionService.getJointGraphWrapper();
//
// workflowActionService.addOperator(mockScanPredicate, mockPoint);
// workflowActionService.addOperator(mockResultPredicate, mockPoint);
// jointGraphWrapper.highlightOperators(mockResultPredicate.operatorID);
//
// // assert that only the last operator is highlighted
// expect(jointGraphWrapper.getCurrentHighlightedOperatorIDs()).toContain(mockResultPredicate.operatorID);
// expect(jointGraphWrapper.getCurrentHighlightedOperatorIDs()).not.toContain(mockScanPredicate.operatorID);
//
// // find the joint Cell View object of the first operator element
// const jointCellView = component.paper.findViewByModel(mockScanPredicate.operatorID);
//
// // trigger a shift click on the cell view using its jQuery element
// const event = createJQueryEvent("mousedown", { shiftKey: true });
// jointCellView.$el.trigger(event);
//
// fixture.detectChanges();
//
// // assert that both operators are highlighted
// expect(jointGraphWrapper.getCurrentHighlightedOperatorIDs()).toContain(mockScanPredicate.operatorID);
// expect(jointGraphWrapper.getCurrentHighlightedOperatorIDs()).toContain(mockResultPredicate.operatorID);
// });
//
// it("should unhighlight the highlighted operator when user clicks on it with shift key pressed", () => {
// const jointGraphWrapper = workflowActionService.getJointGraphWrapper();
//
// workflowActionService.addOperator(mockScanPredicate, mockPoint);
// jointGraphWrapper.highlightOperators(mockScanPredicate.operatorID);
//
// // assert that the operator is highlighted
// expect(jointGraphWrapper.getCurrentHighlightedOperatorIDs()).toContain(mockScanPredicate.operatorID);
//
// // find the joint Cell View object of the operator element
// const jointCellView = component.paper.findViewByModel(mockScanPredicate.operatorID);
//
// // trigger a shift click on the cell view using its jQuery element
// const event = createJQueryEvent("mousedown", { shiftKey: true });
// jointCellView.$el.trigger(event);
//
// fixture.detectChanges();
//
// // assert that the operator is unhighlighted
// expect(jointGraphWrapper.getCurrentHighlightedOperatorIDs()).not.toContain(mockScanPredicate.operatorID);
// });

it("should highlight all operators when user presses command + A", () => {
const jointGraphWrapper = workflowActionService.getJointGraphWrapper();
Expand Down Expand Up @@ -962,5 +975,75 @@ describe("WorkflowEditorComponent", () => {
fixture.detectChanges();
expect(redoSpy).toHaveBeenCalledTimes(4);
});

/**
* Regression coverage for the bug where the operator border resets to the
* default (gray) when the user navigates away from and back to a workflow
* that has already finished executing. The visual state is driven by two
* separate streams that both touch rect.body/stroke: the execution status
* stream (sets state-derived color) and the validation stream (sets red on
* invalid, gray on valid). When operators are re-added by reloadWorkflow,
* the validation pass fires after the status repaint and used to overwrite
* it. handleOperatorValidation now consults the cached status before
* deciding which color to apply.
*/
describe("operator border restoration after navigation", () => {
let workflowStatusService: WorkflowStatusService;
const cachedCompleted = {
[mockScanPredicate.operatorID]: {
operatorState: OperatorState.Completed,
aggregatedInputRowCount: 0,
inputPortMetrics: {},
aggregatedOutputRowCount: 0,
outputPortMetrics: {},
},
};

beforeEach(() => {
workflowStatusService = TestBed.inject(WorkflowStatusService);
});

it("repaints execution-state stroke for valid operators with a cached status", () => {
vi.spyOn(workflowStatusService, "getCurrentStatus").mockReturnValue(cachedCompleted);
vi.spyOn(validationWorkflowService, "validateOperator").mockReturnValue({ isValid: true });
const changeOperatorStateSpy = vi.spyOn(jointUIService, "changeOperatorState");

workflowActionService.addOperator(mockScanPredicate, mockPoint);
fixture.detectChanges();

expect(changeOperatorStateSpy).toHaveBeenCalledWith(
component.paper,
mockScanPredicate.operatorID,
OperatorState.Completed
);
});

it("falls back to the default valid stroke when no cached status exists", () => {
vi.spyOn(workflowStatusService, "getCurrentStatus").mockReturnValue({});
vi.spyOn(validationWorkflowService, "validateOperator").mockReturnValue({ isValid: true });
const changeOperatorColorSpy = vi.spyOn(jointUIService, "changeOperatorColor");

workflowActionService.addOperator(mockScanPredicate, mockPoint);
fixture.detectChanges();

expect(changeOperatorColorSpy).toHaveBeenCalledWith(component.paper, mockScanPredicate.operatorID, true);
});

it("paints the invalid stroke (red) for invalid operators regardless of cached status", () => {
vi.spyOn(workflowStatusService, "getCurrentStatus").mockReturnValue(cachedCompleted);
vi.spyOn(validationWorkflowService, "validateOperator").mockReturnValue({ isValid: false, messages: {} });
const changeOperatorColorSpy = vi.spyOn(jointUIService, "changeOperatorColor");

workflowActionService.addOperator(mockScanPredicate, mockPoint);
fixture.detectChanges();

// The handleOperatorValidation subscription must take the invalid branch,
// which paints red via changeOperatorColor and never calls
// changeOperatorState. (The earlier state-color paint from the operator
// add stream is still made, but the final visible border is red because
// validation runs after.)
expect(changeOperatorColorSpy).toHaveBeenCalledWith(component.paper, mockScanPredicate.operatorID, false);
});
});
});
});
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