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Jeffrey PosnickandGitHub
7d4c4434a4
* Deps and config * Prettier output * Update hardcoded file sizes * More file size updates
42 lines
1.4 KiB
JavaScript
42 lines
1.4 KiB
JavaScript
/*
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Copyright 2018 Google LLC
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Use of this source code is governed by an MIT-style
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license that can be found in the LICENSE file or at
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https://opensource.org/licenses/MIT.
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*/
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/**
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* @callback VariantCallback
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* @param {Object} variant
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*/
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/**
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* This is a helper function that will auto-generate mocha unit tests
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* for various inputs.
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*
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* @param {string} itTitle This is the title that will be passed to the it()
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* function. The variant will be added to the end of this title to help
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* idenfity the failing test.
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* @param {Array<Object>} variants This should be all the variations of the
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* test you wish to generate.
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* @param {VariantCallback} func This is the function that will be called, with a
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* variant as the only argument. This function should perform the desired test.
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*/
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const generateVariantTests = (itTitle, variants, func) => {
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variants.forEach((variant) => {
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// We are using function() {} here and NOT ARROW FUNCTIONS
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// to work with Mocha's binding for tests.
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it(`${itTitle}. Variant: '${JSON.stringify(variant)}'`, function () {
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// Use .call to get the correct `this` binding needed by mocha.
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// eslint-disable-next-line no-invalid-this
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return func.call(this, variant);
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});
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});
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};
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if (module.exports) {
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module.exports = generateVariantTests;
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} else {
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self.__workbox.generateVariantTests = generateVariantTests;
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}
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