feat: can pass expect function

Author: sxzz

src/fixture.ts

@@ -2,7 +2,12 @@ import path from 'node:path'
 import process from 'node:process'
 import { normalizePath } from '@rollup/pluginutils'
 import { glob, type GlobOptions } from 'tinyglobby'
-import { describe, expect, test } from 'vitest'
+import {
+  describe,
+  expect as globalExpect,
+  test,
+  type ExpectStatic,
+} from 'vitest'
 
 type SkipFn = (testName: string) => boolean | Promise<boolean>
 let isSkip: SkipFn | undefined
@@ -13,6 +18,7 @@ export function testFixturesSkip(fn: SkipFn): void {
 export interface FixtureOptions {
   params?: [name: string, values?: any[]][]
   promise?: boolean
+  expect?: ExpectStatic
 }
 
 export async function testFixtures(
@@ -28,7 +34,12 @@ export async function testFixtures(
 export async function testFixtures(
   globsOrFiles: string | string[] | Record<string, string>,
   cb: (args: Record<string, any>, id: string, code: string) => any,
-  { params, promise, ...globOptions }: GlobOptions & FixtureOptions = {},
+  {
+    params,
+    promise,
+    expect = globalExpect,
+    ...globOptions
+  }: GlobOptions & FixtureOptions = {},
 ) {
   let files: Record<string, string | undefined>
 

src/snapshot.ts

@@ -2,7 +2,7 @@ import { readFile } from 'node:fs/promises'
 import path from 'node:path'
 import process from 'node:process'
 import { glob } from 'tinyglobby'
-import { expect } from 'vitest'
+import { expect as globalExpect, type ExpectStatic } from 'vitest'
 import type { OutputFile } from 'esbuild'
 import type { RolldownOutputAsset, RolldownOutputChunk } from 'rolldown'
 import type { OutputAsset, OutputChunk } from 'rollup'
@@ -41,7 +41,10 @@ export function outputToSnapshot(
 export async function expectFilesSnapshot(
   sourceDir: string,
   snapshotFile: string,
-  pattern: string = '**/*',
+  {
+    pattern = '**/*',
+    expect = globalExpect,
+  }: { pattern?: string; expect?: ExpectStatic } = {},
 ): Promise<{
   files: string[]
   fileMap: any