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Revert "fix: respect diff config options in soft assertions (#8696)"
This reverts commit 9787dedade9896a6d3eeed7739177d6c583a68a7.
Vladimir Sheremet
(Apr 21, 2026, 12:59 PM +0200)
7dc6d54f
9787deda
+1
-83
+1
-2
packages/expect/src/utils.ts
+1
-2
packages/expect/src/utils.ts
···
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test.result ||= { state: 'fail' }
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test.result.state = 'fail'
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test.result.errors ||= []
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const diffOptions = (globalThis as any).__vitest_worker__?.diffOptions
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test.result.errors.push(processError(err, diffOptions))
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test.result.errors.push(processError(err))
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}
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/** wrap assertion function to support `expect.soft` and provide assertion name as `_name` */
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test/config/test/diff.test.ts
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test/config/test/diff.test.ts
···
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errors.map(e => e.diff && stripVTControlCharacters(e.diff)),
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).matchSnapshot()
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})
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-
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test('soft assertion with printBasicPrototype diff option', async () => {
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const { ctx } = await runVitest({
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root: './fixtures/diff',
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diff: { printBasicPrototype: true },
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}, ['soft-assertions.test.ts'])
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const errors = ctx!.state.getFiles().flatMap(f =>
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f.tasks.flatMap(t => t.result?.errors ?? []),
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)
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expect(errors.length).toBeGreaterThan(0)
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const diff = errors[0].diff && stripVTControlCharacters(errors[0].diff)
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expect(diff).toMatchInlineSnapshot(`
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"- Expected
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-
+ Received
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-
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Object {
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"arr": Array [
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1,
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- 3,
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+ 2,
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],
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"obj": Object {
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- "k": "bar",
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+ "k": "foo",
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},
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}"
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`)
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})
-2
packages/vitest/src/types/worker.ts
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packages/vitest/src/types/worker.ts
···
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import type { CancelReason, FileSpecification, Task } from '@vitest/runner'
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import type { SerializedDiffOptions } from '@vitest/utils/diff'
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import type { BirpcReturn } from 'birpc'
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import type { EvaluatedModules } from 'vite/module-runner'
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import type { SerializedConfig } from '../runtime/config'
···
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prepare: number
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}
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onFilterStackTrace?: (trace: string) => string
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diffOptions?: SerializedDiffOptions
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}
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test/config/fixtures/diff/soft-assertions.test.ts
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test/config/fixtures/diff/soft-assertions.test.ts
···
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import { expect, test } from 'vitest'
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test('soft assertion with custom diff options', () => {
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const obj1 = {
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obj: { k: 'foo' },
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arr: [1, 2],
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}
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const obj2 = {
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obj: { k: 'bar' },
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arr: [1, 3],
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}
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// Use soft assertion to ensure error processing goes through handleTestError
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expect.soft(obj1).toEqual(obj2)
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})
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test/config/test/__snapshots__/diff.test.ts.snap
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test/config/test/__snapshots__/diff.test.ts.snap
···
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+ "k": "foo",
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},
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}",
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"- Expected
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+ Received
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{
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"arr": [
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1,
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- 3,
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+ 2,
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],
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"obj": {
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- "k": "bar",
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+ "k": "foo",
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},
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}",
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]
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`;
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···
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- 3000,
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+ 29,
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]",
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"- Expected
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+ Received
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Object {
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"arr": Array [
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1,
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- 3,
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+ 2,
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],
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"obj": Object {
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- "k": "bar",
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+ "k": "foo",
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},
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}",
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"- Expected
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+ Received
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-5
packages/vitest/src/runtime/runners/index.ts
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packages/vitest/src/runtime/runners/index.ts
···
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])
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testRunner.config.diffOptions = diffOptions
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// Store diffOptions in the global worker state so they're accessible
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// to packages that can't directly import from @vitest/runner (e.g., @vitest/expect)
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const workerState = getWorkerState()
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workerState.diffOptions = diffOptions
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// patch some methods, so custom runners don't need to call RPC
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const originalOnTaskUpdate = testRunner.onTaskUpdate
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testRunner.onTaskUpdate = async (task, events) => {