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chore: remove spyOnAllFunctions

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PiperOrigin-RevId: 461960797
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Material Web Team 2022-07-19 13:32:40 -07:00 committed by Copybara-Service
parent 1054b570e2
commit ae034d8360
1 changed files with 0 additions and 68 deletions
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68
testing/jasmine.ts
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@ -1,68 +0,0 @@
/**
* @license
* Copyright 2021 Google LLC
* SPDX-License-Identifier: Apache-2.0
*/
import 'jasmine';
/**
* SpyObj with "and" for chaining a group of spies.
*/
export type SpyGroup<T> = jasmine.SpyObj<T>&{
and: SpyGroupAnd<T>;
};
/**
* SpyAnd for group of multiple spies.
*/
export interface SpyGroupAnd<T> {
callThrough(): jasmine.SpyObj<T>;
stub(): jasmine.SpyObj<T>;
}
/**
* A more versatile `spyOnAllFunctions()` that allows chaining `callThrough()`
* and `stub()` for all function spies.
*
* Spies on all functions, including those from the prototype chain (useful for
* class instance objects).
*
* @param obj The object to spy on all functions.
* @return The spied object.
*/
export function spyOnAllFunctions<T extends object>(obj: T) {
const functionKeys = new Set<keyof T>();
let target: object|null = obj;
while (target) {
const keys =
Object.getOwnPropertyNames(target) as Array<keyof typeof target>;
for (const key of keys) {
if (target.hasOwnProperty(key) && typeof target[key] === 'function') {
functionKeys.add(key);
}
}
target = Object.getPrototypeOf(target);
}
for (const key of functionKeys) {
spyOn(obj, key);
}
const spyObj = obj as SpyGroup<T>;
spyObj.and = {
callThrough() {
for (const key of functionKeys) {
(spyObj[key] as jasmine.Spy).and.callThrough();
}
return spyObj;
},
stub() {
for (const key of functionKeys) {
(spyObj[key] as jasmine.Spy).and.stub();
}
return spyObj;
},
};
return spyObj;
}