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- declare let spies: Set<SpyImpl<any[], any>>;
- declare type ReturnError = ['error', any];
- declare type ReturnOk<R> = ['ok', R];
- declare type ResultFn<R> = ReturnError | ReturnOk<R>;
- interface Spy<A extends any[] = any[], R = any> {
- called: boolean;
- callCount: number;
- calls: A[];
- length: number;
- results: ResultFn<R>[];
- returns: R[];
- nextError(error: any): this;
- nextResult(result: R): this;
- reset(): void;
- impl: ((...args: A) => R) | undefined;
- next: ResultFn<R> | null;
- }
- interface SpyImpl<A extends any[] = any[], R = any> extends Spy<A, R> {
- getOriginal(): (...args: A) => R;
- willCall(cb: (...args: A) => R): this;
- restore(): void;
- }
- interface SpyFn<A extends any[] = any[], R = any> extends Spy<A, R> {
- (...args: A): R;
- new (...args: A): R;
- }
- declare function spy<A extends any[], R>(cb?: ((...args: A) => R) | {
- new (...args: A): R;
- }): SpyFn<A, R>;
- declare type Procedure = (...args: any[]) => any;
- declare type Methods<T> = {
- [K in keyof T]: T[K] extends Procedure ? K : never;
- }[keyof T];
- declare type Getters<T> = {
- [K in keyof T]: T[K] extends Procedure ? never : K;
- }[keyof T];
- declare type Classes<T> = {
- [K in keyof T]: T[K] extends new (...args: any[]) => any ? K : never;
- }[keyof T];
- declare function spyOn<T, S extends Getters<Required<T>>>(obj: T, methodName: {
- setter: S;
- }, mock?: (arg: T[S]) => void): SpyImpl<[T[S]], void>;
- declare function spyOn<T, G extends Getters<Required<T>>>(obj: T, methodName: {
- getter: G;
- }, mock?: () => T[G]): SpyImpl<[], T[G]>;
- declare function spyOn<T, M extends Classes<Required<T>>>(object: T, method: M): Required<T>[M] extends new (...args: infer A) => infer R ? SpyImpl<A, R> : never;
- declare function spyOn<T, M extends Methods<Required<T>>>(obj: T, methodName: M, mock?: T[M]): Required<T>[M] extends (...args: infer A) => infer R ? SpyImpl<A, R> : never;
- declare function restoreAll(): void;
- export { Spy, SpyFn, SpyImpl, restoreAll, spies, spy, spyOn };
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