fix(vitest): delegate snapshot options to workspace from root config (#5199)

Author: hi-ogawa

packages/vitest/src/node/workspace.ts

@@ -358,7 +358,8 @@ export class WorkspaceProject {
         },
       },
       snapshotOptions: {
-        ...this.config.snapshotOptions,
+        ...this.ctx.config.snapshotOptions,
+        expand: this.config.snapshotOptions.expand ?? this.ctx.config.snapshotOptions.expand,
         resolveSnapshotPath: undefined,
       },
       onConsoleLog: undefined!,

test/snapshots/test/fixtures/workspace/packages/space/test/__snapshots__/basic.test.ts.snap

@@ -0,0 +1,3 @@
+// Vitest Snapshot v1, https://vitest.dev/guide/snapshot.html
+
+exports[`basic 1`] = `1`;

test/snapshots/test/fixtures/workspace/packages/space/test/basic.test.ts

@@ -0,0 +1,5 @@
+import { test, expect } from "vitest"
+
+test("basic", () => {
+  expect(1).toMatchSnapshot()
+})

test/snapshots/test/fixtures/workspace/packages/space/vite.config.ts

@@ -0,0 +1,5 @@
+import { defineProject } from 'vitest/config'
+
+export default defineProject({
+  test: {},
+})

test/snapshots/test/fixtures/workspace/vitest.workspace.ts

@@ -0,0 +1,5 @@
+import { defineWorkspace } from 'vitest/config'
+
+export default defineWorkspace([
+  'packages/*',
+])

test/snapshots/test/workspace.test.ts

@@ -0,0 +1,19 @@
+import { expect, test } from 'vitest'
+import { editFile, runVitest } from '../../test-utils'
+
+test('--update works for workspace project', async () => {
+  // setup wrong snapshot value
+  editFile(
+    'test/fixtures/workspace/packages/space/test/__snapshots__/basic.test.ts.snap',
+    data => data.replace('`1`', '`2`'),
+  )
+
+  // run with --update
+  const { stdout, exitCode } = await runVitest({
+    update: true,
+    root: 'test/fixtures/workspace',
+    workspace: 'vitest.workspace.ts',
+  })
+  expect.soft(stdout).include('Snapshots  1 updated')
+  expect.soft(exitCode).toBe(0)
+})