76 lines
1.9 KiB
JavaScript
76 lines
1.9 KiB
JavaScript
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'use strict';
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const path = require('path');
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const sinon = require('sinon');
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// Set up chai as promised to allow for
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// better testing of promises,
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// set up sinon-chai for better integration
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// of sinon for spies, stubs and mocks
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const chai = require('chai');
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const chaiAsPromised = require('chai-as-promised');
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const sinonChai = require('sinon-chai');
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chai.use(chaiAsPromised);
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chai.use(sinonChai);
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/**
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* Base Object for unit test utilities
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*/
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const testBase = {
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/**
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* Chai expect assertion library
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*/
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expect: chai.expect,
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/**
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* Sinon library for spies, stubs, and mocks
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*/
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sinon: sinon,
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/**
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* Determine the appropriate path to a module relative to the root folder
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*
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* @param {String} modulePath - the raw path to the module
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* @return {String} - the normalized path to the module
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*/
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_normalizeIncludePath(modulePath) {
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const basePath = path.resolve(path.join(__dirname, '../'));
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let includePath = modulePath;
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// Allow referencing local modules without using a ./
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// eg. util/route-loader instead of ./util/route-loader
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if (modulePath.includes('/') && ! modulePath.startsWith('./')) {
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includePath = path.join(basePath, modulePath);
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}
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return includePath;
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},
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/**
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* Load a module relative to the root folder
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*
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* @param {String} modulePath - path to the module, relative to the tests/ folder
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* @return {mixed} - whatever the module returns
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*/
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require(modulePath) {
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const includePath = testBase._normalizeIncludePath(modulePath);
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return require(includePath);
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},
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/**
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* Load a module relative to the root folder, but first delete
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* the module from the require cache
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*
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* @param {String} modulePath - path to the module, relative to the tests/ folder
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* @return {mixed} - whatever the module returns
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*/
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requireNoCache(modulePath) {
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const includePath = testBase._normalizeIncludePath(modulePath);
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delete require.cache[includePath];
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return require(includePath);
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},
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};
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module.exports = testBase;
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