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* chore: Replace domhook with jest.spyon * use mockreturn value when possible * Update tests/shared/focusTest.jspull/23478/head
Eric Wang
5 years ago
committed by
GitHub
6 changed files with 56 additions and 146 deletions
@ -1,71 +0,0 @@ |
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const __NULL__ = { notExist: true }; |
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type ElementType<P> = { |
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prototype: P; |
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}; |
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export function spyElementPrototypes<P extends {}>(Element: ElementType<P>, properties: P) { |
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const propNames = Object.keys(properties); |
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const originDescriptors = {}; |
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propNames.forEach(propName => { |
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const originDescriptor = Object.getOwnPropertyDescriptor(Element.prototype, propName); |
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originDescriptors[propName] = originDescriptor || __NULL__; |
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const spyProp = properties[propName]; |
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if (typeof spyProp === 'function') { |
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// If is a function
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Element.prototype[propName] = function spyFunc(...args) { |
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return spyProp.call(this, originDescriptor, ...args); |
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}; |
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} else { |
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// Otherwise tread as a property
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Object.defineProperty(Element.prototype, propName, { |
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...spyProp, |
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set(value) { |
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if (spyProp.set) { |
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return spyProp.set.call(this, originDescriptor, value); |
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} |
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return originDescriptor.set(value); |
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}, |
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get() { |
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if (spyProp.get) { |
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return spyProp.get.call(this, originDescriptor); |
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} |
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return originDescriptor.get(); |
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}, |
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}); |
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} |
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}); |
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return { |
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mockRestore() { |
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propNames.forEach(propName => { |
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const originDescriptor = originDescriptors[propName]; |
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if (originDescriptor === __NULL__) { |
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delete Element.prototype[propName]; |
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} else if (typeof originDescriptor === 'function') { |
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Element.prototype[propName] = originDescriptor; |
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} else { |
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Object.defineProperty(Element.prototype, propName, originDescriptor); |
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} |
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}); |
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}, |
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}; |
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} |
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type FunctionPropertyNames<T> = { |
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[K in keyof T]: T[K] extends (...args: any[]) => any ? K : never; |
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}[keyof T] & |
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string; |
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export function spyElementPrototype<P extends {}, K extends FunctionPropertyNames<P>>( |
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Element: ElementType<P>, |
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propName: K, |
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property: P[K], |
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) { |
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return spyElementPrototypes(Element, { |
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[propName]: property, |
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}); |
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} |
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