83 lines
2.3 KiB
TypeScript
83 lines
2.3 KiB
TypeScript
/*
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* Copyright The OpenTelemetry Authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import * as assert from 'assert';
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import { isWrapped, ShimWrapped } from '../../src';
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function makeWrapped(
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wrapped: unknown,
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unwrap: any,
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original: any
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): ShimWrapped {
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const wrapper = function () {};
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defineProperty(wrapper, '__wrapped', wrapped);
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defineProperty(wrapper, '__unwrap', unwrap);
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defineProperty(wrapper, '__original', original);
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return wrapper as unknown as ShimWrapped;
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}
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function defineProperty(obj: any, name: string, value: unknown) {
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// eslint-disable-next-line no-prototype-builtins
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const enumerable = !!obj[name] && obj.propertyIsEnumerable(name);
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Object.defineProperty(obj, name, {
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configurable: true,
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enumerable: enumerable,
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writable: true,
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value: value,
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});
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}
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const notWrappedFunctions: any[] = [];
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notWrappedFunctions.push(
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makeWrapped(
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false,
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() => {},
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() => {}
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)
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);
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notWrappedFunctions.push(makeWrapped(false, 'foo', () => {}));
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notWrappedFunctions.push(makeWrapped(false, () => {}, 'foo'));
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notWrappedFunctions.push({
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__wrapped: true,
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__unwrap: function () {},
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__original: function () {},
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});
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describe('utils-wrap', () => {
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describe('isWrapped', () => {
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it('should return true when function was wrapped', () => {
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const wrapped: ShimWrapped = makeWrapped(
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true,
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() => {},
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() => {}
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);
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assert.strictEqual(isWrapped(wrapped), true, 'function is not wrapped');
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});
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it('should return false when function is not wrapped', () => {
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notWrappedFunctions.forEach((wrapped: unknown, index: number) => {
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const result = isWrapped(wrapped as ShimWrapped);
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assert.strictEqual(
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result,
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false,
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`function number #${index} is wrapped`
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);
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});
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});
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});
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});
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