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fix(test): deflake diagram-editor tests COMPASS-9462 #7030

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Merged
merged 5 commits into from
Jun 17, 2025
Merged

fix(test): deflake diagram-editor tests COMPASS-9462 #7030

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a245cd8
fix test flakes
mabaasit Jun 17, 2025
7f1d021
Merge branch 'main' into fix-diagramming-e2e-tests
mabaasit Jun 17, 2025
8442b34
nullable
mabaasit Jun 17, 2025
9569384
Merge branch 'fix-diagramming-e2e-tests' of https://github.com/mongod…
mabaasit Jun 17, 2025
2757c9c
wait for container animations
mabaasit Jun 17, 2025
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18 changes: 17 additions & 1 deletion packages/compass-data-modeling/src/components/diagram-editor.tsx
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
import React, { useMemo, useState } from 'react';
import React, { useCallback, useMemo, useRef, useState } from 'react';
import { connect } from 'react-redux';
import type { DataModelingState } from '../store/reducer';
import {
Expand Down Expand Up @@ -27,6 +27,7 @@ import {
Diagram,
type NodeProps,
type EdgeProps,
useDiagram,
} from '@mongodb-js/diagramming';
import type { Edit, StaticModel } from '../services/data-model-storage';
import { UUID } from 'bson';
Expand Down Expand Up @@ -132,6 +133,20 @@ const DiagramEditor: React.FunctionComponent<{
onApplyClick,
}) => {
const isDarkMode = useDarkMode();
const diagramContainerRef = useRef<HTMLDivElement | null>(null);
const diagram = useDiagram();

const setDiagramContainerRef = useCallback(
(ref: HTMLDivElement) => {
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@gribnoysup gribnoysup Jun 17, 2025 •
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Suggested change
(ref: HTMLDivElement) => {
(ref: HTMLDivElement | null) => {

if (ref) {
// For debugging purposes, we attach the diagram to the ref.
(ref as any)._diagram = diagram;
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@paula-stacho paula-stacho Jun 17, 2025

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Maybe we could limit this to process.env.NODE_ENV === 'test' || process.env.APP_ENV === 'webdriverio' ?

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@mabaasit mabaasit Jun 17, 2025

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yeah, i did that in my last PR and Sergey suggested we try this (ref) approach or the one we already have (validate what user actually sees).

The one we have is failing (don't really know why, but my guess is that we are currently doing random positioning and once we have that done this may not be the issue anymore), so i am using ref approach in this PR. We also do this in codemirror to access current instance in e2e.

}
diagramContainerRef.current = ref;
},
[diagram]
);

const [applyInput, setApplyInput] = useState('{}');

const isEditValid = useMemo(() => {
Expand Down Expand Up @@ -265,6 +280,7 @@ const DiagramEditor: React.FunctionComponent<{
if (step === 'EDITING') {
content = (
<div
ref={setDiagramContainerRef}
className={modelPreviewContainerStyles}
data-testid="diagram-editor-container"
>
Expand Down
2 changes: 0 additions & 2 deletions packages/compass-e2e-tests/helpers/selectors.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -1451,5 +1451,3 @@ export const DataModelsListItem = (diagramName: string) =>
export const DataModelsListItemActions = (diagramName: string) =>
`${DataModelsListItem(diagramName)} [aria-label="Show actions"]`;
export const DataModelsListItemDeleteButton = `[data-action="delete"]`;
export const DataModelingDiagram = '.react-flow';
export const DataModelingDiagramNode = '.react-flow__node > div';
20 changes: 16 additions & 4 deletions packages/compass-e2e-tests/tests/data-modeling-tab.test.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -14,11 +14,23 @@ import {
createNumbersCollection,
} from '../helpers/insert-data';

type DiagramInstance = {
getNodes: () => Array<{
id: string;
}>;
};

async function getDiagramNodes(browser: CompassBrowser): Promise<string[]> {
await browser.waitForAnimations(Selectors.DataModelingDiagram);
return await browser
.$$(Selectors.DataModelingDiagramNode)
.map((element) => element.getAttribute('title'));
const nodes = await browser.execute(function (selector) {
const node = document.querySelector(selector);
if (!node) {
throw new Error(`Element with selector ${selector} not found`);
}
return (
node as Element & { _diagram: DiagramInstance }
)._diagram.getNodes();
}, Selectors.DataModelEditor);
return nodes.map((x) => x.id);
}

describe('Data Modeling tab', function () {
Expand Down
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