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test(layout-bridge): migrate pure tests from vitest to bun #1893

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5feb99b
test(layout-bridge): migrate pure tests from vitest to bun
caio-pizzol Jan 30, 2026
2ec182f
test(layout-bridge): migrate mocking tests from vitest to bun (#1894)
caio-pizzol Jan 30, 2026
0edf427
fix(layout-bridge): exclude bun:test files from vitest runs
caio-pizzol Jan 30, 2026
655ad9d
style(layout-bridge): fix double space in test imports
caio-pizzol Jan 30, 2026
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2 changes: 2 additions & 0 deletions packages/layout-engine/layout-bridge/bunfig.toml
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[test]
timeout = 5000
4 changes: 3 additions & 1 deletion packages/layout-engine/layout-bridge/package.json
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Expand Up @@ -16,7 +16,9 @@
],
"scripts": {
"build": "tsup src/index.ts --format esm,cjs --dts --clean --tsconfig tsconfig.build.json",
"test": "vitest run",
"test": "bun test $(grep -l \"from 'bun:test'\" test/*.test.ts)",
"test:vitest": "vitest run $(grep -l \"from 'vitest'\" test/*.test.ts)",
"test:all": "pnpm test && pnpm test:vitest",
"lint": "eslint src --ext .ts",
"dev": "tsup src/index.ts --format esm --watch"
},
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2 changes: 1 addition & 1 deletion packages/layout-engine/layout-bridge/test/benchmarks.test.ts
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Expand Up @@ -2,7 +2,7 @@
* Tests for TypingPerfBenchmark
*/

import { describe, it, expect, beforeEach } from 'vitest';
import { describe, it, expect, beforeEach } from 'bun:test';
import { TypingPerfBenchmark } from '../src/benchmarks';

describe('TypingPerfBenchmark', () => {
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2 changes: 1 addition & 1 deletion packages/layout-engine/layout-bridge/test/cache-warmer.test.ts
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Expand Up @@ -2,7 +2,7 @@
* Tests for CacheWarmer
*/

import { describe, it, expect, beforeEach } from 'vitest';
import { describe, it, expect, beforeEach } from 'bun:test';
import { CacheWarmer } from '../src/cache-warmer';
import { FontMetricsCache } from '../src/font-metrics-cache';
import { ParagraphLineCache } from '../src/paragraph-line-cache';
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2 changes: 1 addition & 1 deletion packages/layout-engine/layout-bridge/test/cache.test.ts
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import { describe, it, expect, beforeEach } from 'vitest';
import { describe, it, expect, beforeEach } from 'bun:test';
import { MeasureCache } from '../src/cache';
import type { FlowBlock, ImageRun, TableBlock, TableCell } from '@superdoc/contracts';

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12 changes: 6 additions & 6 deletions packages/layout-engine/layout-bridge/test/cacheInvalidation.test.ts
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Expand Up @@ -4,7 +4,7 @@
* Tests for cache invalidation logic for headers/footers and body content.
*/

import { describe, it, expect, beforeEach, vi } from 'vitest';
import { describe, it, expect, beforeEach, spyOn } from 'bun:test';
import type { FlowBlock, ParagraphBlock, SectionMetadata } from '@superdoc/contracts';
import type { HeaderFooterConstraints } from '../../layout-engine';
import {
Expand Down Expand Up @@ -420,7 +420,7 @@ describe('Cache Invalidation', () => {
});

it('should invalidate cache when content changes', () => {
const invalidateSpy = vi.spyOn(cache, 'invalidate');
const invalidateSpy = spyOn(cache, 'invalidate');

const blocks1 = {
default: [
Expand Down Expand Up @@ -452,7 +452,7 @@ describe('Cache Invalidation', () => {
});

it('should invalidate cache when constraints change', () => {
const invalidateSpy = vi.spyOn(cache, 'invalidate');
const invalidateSpy = spyOn(cache, 'invalidate');

const blocks = {
default: [
Expand Down Expand Up @@ -485,7 +485,7 @@ describe('Cache Invalidation', () => {
});

it('should invalidate cache when section metadata changes', () => {
const invalidateSpy = vi.spyOn(cache, 'invalidate');
const invalidateSpy = spyOn(cache, 'invalidate');

const blocks = {
default: [
Expand Down Expand Up @@ -522,7 +522,7 @@ describe('Cache Invalidation', () => {
});

it('should not invalidate when nothing has changed', () => {
const invalidateSpy = vi.spyOn(cache, 'invalidate');
const invalidateSpy = spyOn(cache, 'invalidate');

const blocks = {
default: [
Expand Down Expand Up @@ -550,7 +550,7 @@ describe('Cache Invalidation', () => {
});

it('should invalidate cache when overflowBaseHeight changes', () => {
const invalidateSpy = vi.spyOn(cache, 'invalidate');
const invalidateSpy = spyOn(cache, 'invalidate');

const blocks = {
default: [
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2 changes: 1 addition & 1 deletion packages/layout-engine/layout-bridge/test/clickToPosition.test.ts
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import { describe, it, expect } from 'vitest';
import { describe, it, expect } from 'bun:test';
import { clickToPosition, hitTestPage } from '../src/index.ts';
import type { Layout } from '@superdoc/contracts';
import {
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2 changes: 1 addition & 1 deletion packages/layout-engine/layout-bridge/test/comment-key.test.ts
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Expand Up @@ -3,7 +3,7 @@
* Tests the comment hashing logic used for cache invalidation
*/

import { describe, it, expect } from 'vitest';
import { describe, it, expect } from 'bun:test';
import type { Run } from '@superdoc/contracts';

// Import the internal function for testing
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2 changes: 1 addition & 1 deletion packages/layout-engine/layout-bridge/test/computeLinePmRange.test.ts
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import { describe, it, expect } from 'vitest';
import { describe, it, expect } from 'bun:test';
import { computeLinePmRange } from '../src/index.ts';
import type { FlowBlock, Line } from '@superdoc/contracts';

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2 changes: 1 addition & 1 deletion packages/layout-engine/layout-bridge/test/diff.test.ts
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import { describe, it, expect } from 'vitest';
import { describe, it, expect } from 'bun:test';
import type { VectorShapeDrawing } from '@superdoc/contracts';
import { computeDirtyRegions } from '../src/diff';

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2 changes: 1 addition & 1 deletion packages/layout-engine/layout-bridge/test/dirty-tracker.test.ts
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Expand Up @@ -2,7 +2,7 @@
* Tests for DirtyTracker
*/

import { describe, it, expect, beforeEach } from 'vitest';
import { describe, it, expect, beforeEach } from 'bun:test';
import { DirtyTracker, type DirtyRange } from '../src/dirty-tracker';

describe('DirtyTracker', () => {
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2 changes: 1 addition & 1 deletion packages/layout-engine/layout-bridge/test/displayPageTextEndToEnd.test.ts
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Expand Up @@ -6,7 +6,7 @@
* the system.
*/

import { describe, it, expect } from 'vitest';
import { describe, it, expect } from 'bun:test';
import type { Page, HeaderFooterPage, HeaderFooterLayout } from '@superdoc/contracts';
import { getBucketForPageNumber, getBucketRepresentative } from '../src/layoutHeaderFooter';

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2 changes: 1 addition & 1 deletion packages/layout-engine/layout-bridge/test/featureFlags.test.ts
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Expand Up @@ -8,7 +8,7 @@
* different environment variable configurations.
*/

import { describe, it, expect } from 'vitest';
import { describe, it, expect } from 'bun:test';
import { FeatureFlags, isFeatureEnabled, getAllFeatureFlags, type FeatureFlagKey } from '../src/featureFlags';

describe('Feature Flags', () => {
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4 changes: 2 additions & 2 deletions packages/layout-engine/layout-bridge/test/footnoteColumnPlacement.test.ts
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import { describe, it, expect, vi } from 'vitest';
import { describe, it, expect, mock } from 'bun:test';
import type { FlowBlock, Measure } from '@superdoc/contracts';
import { incrementalLayout } from '../src/incrementalLayout';

Expand Down Expand Up @@ -34,7 +34,7 @@ describe('Footnotes in columns', () => {
const footnoteOne = makeParagraph('footnote-1-0-paragraph', 'Footnote one', 0);
const footnoteTwo = makeParagraph('footnote-2-0-paragraph', 'Footnote two', 0);

const measureBlock = vi.fn(async (block: FlowBlock) => {
const measureBlock = mock(async (block: FlowBlock) => {
if (block.kind === 'columnBreak') {
return { kind: 'columnBreak' } as Measure;
}
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4 changes: 2 additions & 2 deletions packages/layout-engine/layout-bridge/test/footnoteSeparatorSpacing.test.ts
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import { describe, it, expect, vi } from 'vitest';
import { describe, it, expect, mock } from 'bun:test';
import type { FlowBlock, Measure } from '@superdoc/contracts';
import { incrementalLayout } from '../src/incrementalLayout';

Expand Down Expand Up @@ -43,7 +43,7 @@ const buildLayout = async ({
const dividerHeight = 1;
const topPadding = 4;

const measureBlock = vi.fn(async (block: FlowBlock) => {
const measureBlock = mock(async (block: FlowBlock) => {
if (block.id.startsWith('footnote-')) {
return makeMeasure(footnoteLineHeight);
}
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16 changes: 8 additions & 8 deletions packages/layout-engine/layout-bridge/test/headerFooterIntegration.test.ts
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Expand Up @@ -7,7 +7,7 @@
* 3. Integration with incrementalLayout
*/

import { describe, it, expect, vi } from 'vitest';
import { describe, it, expect, mock } from 'bun:test';
import type { FlowBlock, Measure, ParagraphBlock, TextRun, SectionMetadata } from '@superdoc/contracts';
import { incrementalLayout } from '../src/incrementalLayout';
import type { HeaderFooterBatch } from '../src/layoutHeaderFooter';
Expand Down Expand Up @@ -79,7 +79,7 @@ describe('End-to-End Header/Footer Token Resolution', () => {
];

// Mock measureBlock function
const measureBlock = vi.fn(async () => makeMeasure(20));
const measureBlock = mock(async () => makeMeasure(20));

// Run incremental layout with headers
const result = await incrementalLayout(
Expand Down Expand Up @@ -133,7 +133,7 @@ describe('End-to-End Header/Footer Token Resolution', () => {
default: [makePageNumberParagraph('header-large-doc')],
};

const measureBlock = vi.fn(async () => makeMeasure(20));
const measureBlock = mock(async () => makeMeasure(20));

const result = await incrementalLayout(
[],
Expand Down Expand Up @@ -187,7 +187,7 @@ describe('End-to-End Header/Footer Token Resolution', () => {
default: [makePageNumberParagraph('footer-default')],
};

const measureBlock = vi.fn(async () => makeMeasure(20));
const measureBlock = mock(async () => makeMeasure(20));

const result = await incrementalLayout(
[],
Expand Down Expand Up @@ -239,7 +239,7 @@ describe('End-to-End Header/Footer Token Resolution', () => {
default: [originalHeaderBlock],
};

const measureBlock = vi.fn(async () => makeMeasure(20));
const measureBlock = mock(async () => makeMeasure(20));

await incrementalLayout(
[],
Expand Down Expand Up @@ -278,7 +278,7 @@ describe('End-to-End Header/Footer Token Resolution', () => {
},
];

const measureBlock = vi.fn(async () => makeMeasure(20));
const measureBlock = mock(async () => makeMeasure(20));

const result = await incrementalLayout(
[],
Expand Down Expand Up @@ -315,7 +315,7 @@ describe('End-to-End Header/Footer Token Resolution', () => {
default: [makePageNumberParagraph('header-single')],
};

const measureBlock = vi.fn(async () => makeMeasure(20));
const measureBlock = mock(async () => makeMeasure(20));

const result = await incrementalLayout(
[],
Expand Down Expand Up @@ -345,7 +345,7 @@ describe('End-to-End Header/Footer Token Resolution', () => {
makeTextParagraph(`body-${i}`, `Content ${i + 1}`),
);

const measureBlock = vi.fn(async () => makeMeasure(20));
const measureBlock = mock(async () => makeMeasure(20));

const result = await incrementalLayout(
[],
Expand Down
2 changes: 1 addition & 1 deletion packages/layout-engine/layout-bridge/test/headerFooterUtils.test.ts
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import { describe, expect, it } from 'vitest';
import { describe, expect, it } from 'bun:test';
import type { Layout } from '@superdoc/contracts';
import {
defaultHeaderFooterIdentifier,
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2 changes: 1 addition & 1 deletion packages/layout-engine/layout-bridge/test/hitTestFragment.test.ts
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import { describe, it, expect } from 'vitest';
import { describe, it, expect } from 'bun:test';
import { hitTestPage, hitTestFragment } from '../src/index.ts';
import { columnsLayout, blocks, measures } from './mock-data';

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2 changes: 1 addition & 1 deletion packages/layout-engine/layout-bridge/test/ime-handler.test.ts
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Expand Up @@ -2,7 +2,7 @@
* Tests for ImeHandler
*/

import { describe, it, expect, beforeEach } from 'vitest';
import { describe, it, expect, beforeEach } from 'bun:test';
import { ImeHandler } from '../src/ime-handler';

describe('ImeHandler', () => {
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10 changes: 5 additions & 5 deletions packages/layout-engine/layout-bridge/test/instrumentation.test.ts
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Expand Up @@ -4,16 +4,16 @@
* Tests for debug logging and metrics collection.
*/

import { describe, it, expect, beforeEach, afterEach, vi } from 'vitest';
import { describe, it, expect, beforeEach, afterEach, spyOn } from 'bun:test';
import { PageTokenLogger, HeaderFooterCacheLogger, MetricsCollector } from '../src/instrumentation';

describe('Instrumentation', () => {
let consoleLogSpy: ReturnType<typeof vi.spyOn>;
let consoleWarnSpy: ReturnType<typeof vi.spyOn>;
let consoleLogSpy: ReturnType<typeof spyOn>;
let consoleWarnSpy: ReturnType<typeof spyOn>;

beforeEach(() => {
consoleLogSpy = vi.spyOn(console, 'log').mockImplementation(() => {});
consoleWarnSpy = vi.spyOn(console, 'warn').mockImplementation(() => {});
consoleLogSpy = spyOn(console, 'log').mockImplementation(() => {});
consoleWarnSpy = spyOn(console, 'warn').mockImplementation(() => {});
});

afterEach(() => {
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18 changes: 9 additions & 9 deletions packages/layout-engine/layout-bridge/test/layout-coordinator.test.ts
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Expand Up @@ -2,17 +2,17 @@
* Tests for LayoutCoordinator
*/

import { describe, it, expect, beforeEach, vi } from 'vitest';
import { describe, it, expect, beforeEach, mock, spyOn } from 'bun:test';
import { LayoutCoordinator, type LayoutResult } from '../src/layout-coordinator';
import { Priority } from '../src/layout-scheduler';
import { LayoutVersionManager } from '../src/layout-version-manager';

describe('LayoutCoordinator', () => {
let coordinator: LayoutCoordinator;
let versionManager: LayoutVersionManager;
let executeP0: ReturnType<typeof vi.fn>;
let executeP1: ReturnType<typeof vi.fn>;
let executeWorker: ReturnType<typeof vi.fn>;
let executeP0: ReturnType<typeof mock>;
let executeP1: ReturnType<typeof mock>;
let executeWorker: ReturnType<typeof mock>;

const mockLayout = { pages: [], pageSize: { w: 612, h: 792 } };

Expand All @@ -28,9 +28,9 @@ describe('LayoutCoordinator', () => {
aborted: false,
};

executeP0 = vi.fn().mockReturnValue(mockResult);
executeP1 = vi.fn().mockResolvedValue(mockResult);
executeWorker = vi.fn().mockResolvedValue(mockResult);
executeP0 = mock(() => mockResult);
executeP1 = mock(() => Promise.resolve(mockResult));
executeWorker = mock(() => Promise.resolve(mockResult));

coordinator = new LayoutCoordinator({
layoutVersionManager: versionManager,
Expand Down Expand Up @@ -144,15 +144,15 @@ describe('LayoutCoordinator', () => {

describe('version management integration', () => {
it('should notify version manager on P0 completion', () => {
const spy = vi.spyOn(versionManager, 'onLayoutComplete');
const spy = spyOn(versionManager, 'onLayoutComplete');

coordinator.scheduleLayout(1, Priority.P0, { scope: 'paragraph' });

expect(spy).toHaveBeenCalledWith(1);
});

it('should notify version manager on async completion', async () => {
const spy = vi.spyOn(versionManager, 'onLayoutComplete');
const spy = spyOn(versionManager, 'onLayoutComplete');

coordinator.scheduleLayout(1, Priority.P1, { scope: 'viewport' });

Expand Down
2 changes: 1 addition & 1 deletion packages/layout-engine/layout-bridge/test/layout-scheduler.test.ts
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Expand Up @@ -2,7 +2,7 @@
* Tests for LayoutScheduler
*/

import { describe, it, expect, beforeEach } from 'vitest';
import { describe, it, expect, beforeEach } from 'bun:test';
import { LayoutScheduler, Priority, type LayoutRequest } from '../src/layout-scheduler';

describe('LayoutScheduler', () => {
Expand Down
2 changes: 1 addition & 1 deletion packages/layout-engine/layout-bridge/test/layout-worker.test.ts
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Expand Up @@ -2,7 +2,7 @@
* Tests for LayoutWorkerManager
*/

import { describe, it, expect, beforeEach } from 'vitest';
import { describe, it, expect, beforeEach } from 'bun:test';
import { LayoutWorkerManager } from '../src/layout-worker';
import { Priority } from '../src/layout-scheduler';

Expand Down
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