feat: move matcher types to Vi namespace

packages/vitest/src/index.ts

@@ -16,8 +16,6 @@ export * from './integrations/vi'
 export * from './types'
 export * from './api/types'
 
-export type { Spy, SpyFn } from 'tinyspy'
-
 declare module 'vite' {
   interface UserConfig {
     /**
@@ -43,9 +41,10 @@ type Promisify<O> = {
 }
 
 declare global {
-  namespace Chai {
-    interface ExpectStatic extends AsymmetricMatchersContaining {
-      <T>(actual: T, message?: string): VitestAssertion<T>
+  namespace Vi {
+
+    interface ExpectStatic extends Chai.ExpectStatic, AsymmetricMatchersContaining {
+      <T>(actual: T, message?: string): Vi.Assertion<T>
 
       extend(expects: MatchersObject): void
       assertions(expected: number): void
@@ -117,16 +116,16 @@ declare global {
     }
 
     type VitestifyAssertion<A> = {
-      [K in keyof A]: A[K] extends Assertion
-        ? VitestAssertion<any>
+      [K in keyof A]: A[K] extends Chai.Assertion
+        ? Assertion<any>
         : A[K] extends (...args: any[]) => any
           ? A[K] // not converting function since they may contain overload
           : VitestifyAssertion<A[K]>
     }
 
-    interface VitestAssertion<T = any> extends VitestifyAssertion<Assertion>, JestAssertion<T> {
-      resolves: Promisify<VitestAssertion<T>>
-      rejects: Promisify<VitestAssertion<T>>
+    interface Assertion<T = any> extends VitestifyAssertion<Chai.Assertion>, JestAssertion<T> {
+      resolves: Promisify<Assertion<T>>
+      rejects: Promisify<Assertion<T>>
 
       chaiEqual<E>(expected: E): void
     }

packages/vitest/src/integrations/chai/index.ts

@@ -3,11 +3,11 @@ import { getState, setState } from './jest-expect'
 
 export { assert, should } from 'chai'
 
-const expect = ((value: any, message?: string): Chai.VitestAssertion => {
+const expect = ((value: any, message?: string): Vi.Assertion => {
   const { assertionCalls } = getState()
   setState({ assertionCalls: assertionCalls + 1 })
-  return chai.expect(value, message)
-}) as Chai.ExpectStatic
+  return chai.expect(value, message) as unknown as Vi.Assertion
+}) as Vi.ExpectStatic
 expect.getState = getState
 expect.setState = setState
 

packages/vitest/src/integrations/chai/jest-asymmetric-matchers.ts

@@ -294,7 +294,8 @@ export const JestAsymmetricMatchers: ChaiPlugin = (chai, utils) => {
     (expected: any) => new StringMatching(expected),
   )
 
-  chai.expect.not = {
+  // defineProperty does not work
+  ;(chai.expect as any).not = {
     stringContaining: (expected: string) => new StringContaining(expected, true),
     objectContaining: (expected: any) => new ObjectContaining(expected, true),
     arrayContaining: (expected: unknown[]) => new ArrayContaining(expected, true),

packages/vitest/src/integrations/chai/jest-expect.ts

@@ -34,8 +34,8 @@ export const setState = <State extends MatcherState = MatcherState>(
 
 // Jest Expect Compact
 export const JestChaiExpect: ChaiPlugin = (chai, utils) => {
-  function def(name: keyof Chai.VitestAssertion | (keyof Chai.VitestAssertion)[], fn: ((this: Chai.AssertionStatic & Chai.VitestAssertion, ...args: any[]) => any)) {
-    const addMethod = (n: keyof Chai.VitestAssertion) => {
+  function def(name: keyof Vi.Assertion | (keyof Vi.Assertion)[], fn: ((this: Chai.AssertionStatic & Vi.Assertion, ...args: any[]) => any)) {
+    const addMethod = (n: keyof Vi.Assertion) => {
       utils.addMethod(chai.Assertion.prototype, n, fn)
     }
 

packages/vitest/src/integrations/jest-mock.ts

@@ -36,7 +36,7 @@ type Classes<T> = {
   [K in keyof T]: T[K] extends new (...args: any[]) => any ? K : never
 }[keyof T] & string
 
-export interface JestMockCompat<TArgs extends any[] = any[], TReturns = any> {
+export interface SpyInstance<TArgs extends any[] = any[], TReturns = any> {
   getMockName(): string
   mockName(n: string): this
   mock: JestMockCompatContext<TArgs, TReturns>
@@ -55,14 +55,14 @@ export interface JestMockCompat<TArgs extends any[] = any[], TReturns = any> {
   mockRejectedValueOnce(obj: any): this
 }
 
-export interface JestMockCompatFn<TArgs extends any[] = any, TReturns = any> extends JestMockCompat<TArgs, TReturns> {
+export interface SpyInstanceFn<TArgs extends any[] = any, TReturns = any> extends SpyInstance<TArgs, TReturns> {
   (...args: TArgs): TReturns
 }
 
 export type MaybeMockedConstructor<T> = T extends new (
   ...args: Array<any>
 ) => infer R
-  ? JestMockCompatFn<ConstructorParameters<T>, R>
+  ? SpyInstanceFn<ConstructorParameters<T>, R>
   : T
 export type MockedFunction<T extends Procedure> = MockWithArgs<T> & {
   [K in keyof T]: T[K];
@@ -91,15 +91,15 @@ export type MaybeMocked<T> = T extends Procedure
     ? MockedObject<T>
     : T
 
-export type EnhancedSpy<TArgs extends any[] = any[], TReturns = any> = JestMockCompat<TArgs, TReturns> & SpyImpl<TArgs, TReturns>
+export type EnhancedSpy<TArgs extends any[] = any[], TReturns = any> = SpyInstance<TArgs, TReturns> & SpyImpl<TArgs, TReturns>
 
 export interface MockWithArgs<T extends Procedure>
-  extends JestMockCompatFn<Parameters<T>, ReturnType<T>> {
+  extends SpyInstanceFn<Parameters<T>, ReturnType<T>> {
   new (...args: T extends new (...args: any) => any ? ConstructorParameters<T> : never): T
   (...args: Parameters<T>): ReturnType<T>
 }
 
-export const spies = new Set<JestMockCompat>()
+export const spies = new Set<SpyInstance>()
 
 export function isMockFunction(fn: any): fn is EnhancedSpy {
   return typeof fn === 'function'
@@ -111,28 +111,28 @@ export function spyOn<T, S extends Properties<Required<T>>>(
   obj: T,
   methodName: S,
   accesType: 'get',
-): JestMockCompat<[], T[S]>
+): SpyInstance<[], T[S]>
 export function spyOn<T, G extends Properties<Required<T>>>(
   obj: T,
   methodName: G,
   accesType: 'set',
-): JestMockCompat<[T[G]], void>
+): SpyInstance<[T[G]], void>
 export function spyOn<T, M extends Classes<Required<T>>>(
   object: T,
   method: M
 ): Required<T>[M] extends new (...args: infer A) => infer R
-  ? JestMockCompat<A, R>
+  ? SpyInstance<A, R>
   : never
 export function spyOn<T, M extends Methods<Required<T>>>(
   obj: T,
   methodName: M,
   mock?: T[M]
-): Required<T>[M] extends (...args: infer A) => infer R ? JestMockCompat<A, R> : never
+): Required<T>[M] extends (...args: infer A) => infer R ? SpyInstance<A, R> : never
 export function spyOn<T, K extends keyof T>(
   obj: T,
   method: K,
   accessType?: 'get' | 'set',
-): JestMockCompat {
+): SpyInstance {
   const dictionary = {
     get: 'getter',
     set: 'setter',
@@ -141,14 +141,14 @@ export function spyOn<T, K extends keyof T>(
 
   const stub = tinyspy.spyOn(obj, objMethod as any)
 
-  return enhanceSpy(stub) as JestMockCompat
+  return enhanceSpy(stub) as SpyInstance
 }
 
 let callOrder = 0
 
 function enhanceSpy<TArgs extends any[], TReturns>(
   spy: SpyImpl<TArgs, TReturns>,
-): JestMockCompat<TArgs, TReturns> {
+): SpyInstance<TArgs, TReturns> {
   const stub = spy as unknown as EnhancedSpy<TArgs, TReturns>
 
   let implementation: ((...args: TArgs) => TReturns) | undefined
@@ -249,12 +249,12 @@ function enhanceSpy<TArgs extends any[], TReturns>(
   return stub as any
 }
 
-export function fn<TArgs extends any[] = any[], R = any>(): JestMockCompatFn<TArgs, R>
+export function fn<TArgs extends any[] = any[], R = any>(): SpyInstanceFn<TArgs, R>
 export function fn<TArgs extends any[] = any[], R = any>(
   implementation: (...args: TArgs) => R
-): JestMockCompatFn<TArgs, R>
+): SpyInstanceFn<TArgs, R>
 export function fn<TArgs extends any[] = any[], R = any>(
   implementation?: (...args: TArgs) => R,
-): JestMockCompatFn<TArgs, R> {
-  return enhanceSpy(tinyspy.spyOn({ fn: implementation || (() => {}) }, 'fn')) as unknown as JestMockCompatFn
+): SpyInstanceFn<TArgs, R> {
+  return enhanceSpy(tinyspy.spyOn({ fn: implementation || (() => {}) }, 'fn')) as unknown as SpyInstanceFn
 }

packages/vitest/src/integrations/snapshot/client.ts

@@ -54,7 +54,7 @@ export class SnapshotClient {
       try {
         const pass = equals(received, properties, [iterableEquality, subsetEquality])
         if (!pass)
-          expect(received).toBe(properties)
+          expect(received).equals(properties)
         else
           received = deepMergeSnapshot(received, properties)
       }

packages/vitest/src/integrations/timers.ts

@@ -1,7 +1,7 @@
 // TODO setImmediate, nextTick, requestAnimationFrame, cancelAnimationFrame
 // TODO async timers
 
-import type { JestMockCompat } from './jest-mock'
+import type { SpyInstance } from './jest-mock'
 import { spyOn } from './jest-mock'
 
 const originalSetTimeout = global.setTimeout
@@ -57,11 +57,11 @@ const getNodeTimeout = (id: number): NodeJS.Timeout => {
 }
 
 export class FakeTimers {
-  private _setTimeout!: JestMockCompat<Arguments, NodeJS.Timeout>
-  private _setInterval!: JestMockCompat<Arguments, NodeJS.Timeout>
+  private _setTimeout!: SpyInstance<Arguments, NodeJS.Timeout>
+  private _setInterval!: SpyInstance<Arguments, NodeJS.Timeout>
 
-  private _clearTimeout!: JestMockCompat<[NodeJS.Timeout], void>
-  private _clearInterval!: JestMockCompat<[NodeJS.Timeout], void>
+  private _clearTimeout!: SpyInstance<[NodeJS.Timeout], void>
+  private _clearInterval!: SpyInstance<[NodeJS.Timeout], void>
 
   private _advancedTime = 0
   private _nestedTime: Record<string, number> = {}