23 lines
564 B
TypeScript
23 lines
564 B
TypeScript
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interface Spy {
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(...params: any[]): any;
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identity: string;
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and: Function;
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mostRecentCall: { args: any[]; };
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argsForCall: any[];
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}
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type SpyObj<T> = T & {
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[k in keyof T]: Spy;
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}
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declare function createSpyObj<T>(
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name: string, names: Array<keyof T>): SpyObj<T>;
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function mock<T>(spyName: string, methodNames: Array<keyof T>): SpyObj<T> {
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const spyObj = createSpyObj<T>(spyName, methodNames);
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for (const methodName of methodNames) {
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spyObj[methodName].and.returnValue(1);
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}
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return spyObj;
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}
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