Improve: Increase testing coverage (#21015)
Kevin Aleman
5 years ago
committed by
GitHub
parent
73ea7a1124
commit
04c008e882
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/* eslint-env mocha */ |
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import chai, { expect } from 'chai'; |
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import spies from 'chai-spies'; |
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import rewire from 'rewire'; |
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chai.use(spies); |
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describe('Raw Settings', () => { |
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let rawModule; |
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const cache = new Map(); |
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before('rewire deps', () => { |
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const spy = chai.spy(async (id) => { |
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if (id === '1') { return 'some-setting-value'; } |
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return null; |
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}); |
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rawModule = rewire('./raw'); |
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rawModule.__set__('setFromDB', spy); |
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rawModule.__set__('cache', cache); |
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}); |
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it('should get the value from database when it isnt in cache', async () => { |
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const setting = await rawModule.getValue('1'); |
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expect(setting).to.be.equal('some-setting-value'); |
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}); |
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it('should get the value from cache when its available', async () => { |
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cache.set('2', 'supeer-setting'); |
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const setting = await rawModule.getValue('2'); |
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expect(setting).to.be.equal('supeer-setting'); |
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}); |
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it('should update the value in cache', async () => { |
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await rawModule.updateValue('2', { value: 'not-super-setting' }); |
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expect(cache.get('2')).to.be.equal('not-super-setting'); |
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}); |
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it('should not update the setting if the new value is undefined', async () => { |
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await rawModule.updateValue('2', {}); |
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expect(cache.get('2')).to.be.equal('not-super-setting'); |
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}); |
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}); |
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@ -0,0 +1,130 @@ |
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import chai from 'chai'; |
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import { describe, it } from 'mocha'; |
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import { equals, isObject, flatSome, some, isEmptyArray } from './comparisons'; |
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describe('Comparisons service', () => { |
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describe('equals', () => { |
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it('should return true if two numbers are equal', () => { |
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chai.expect(equals(1, 1)).to.be.equal(true); |
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}); |
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it('should return false if arguments are null or undefined', () => { |
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chai.expect(equals(undefined, null)).to.be.equal(false); |
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chai.expect(equals(null, undefined)).to.be.equal(false); |
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}); |
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it('should return false if arguments arent objects and they are not the same', () => { |
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chai.expect(equals('not', 'thesame')).to.be.equal(false); |
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}); |
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it('should return true if date objects provided have the same value', () => { |
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const currentDate = new Date(); |
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chai.expect(equals(currentDate, currentDate)).to.be.equal(true); |
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}); |
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it('should return true if 2 equal UInt8Array are provided', () => { |
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const arr1 = new Uint8Array([1, 2]); |
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const arr2 = new Uint8Array([1, 2]); |
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chai.expect(equals(arr1, arr2)).to.be.equal(true); |
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}); |
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it('should return true if 2 equal arrays are provided', () => { |
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const arr1 = [1, 2, 4]; |
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const arr2 = [1, 2, 4]; |
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chai.expect(equals(arr1, arr2)).to.be.equal(true); |
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}); |
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it('should return false if 2 arrays with different length are provided', () => { |
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const arr1 = [1, 4, 5]; |
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const arr2 = [1, 4, 5, 7]; |
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chai.expect(equals(arr1, arr2)).to.be.equal(false); |
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}); |
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it('should return true if the objects provided are "equal"', () => { |
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const obj = { a: 1 }; |
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const obj2 = obj; |
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chai.expect(equals(obj, obj2)).to.be.equal(true); |
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}); |
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it('should return true if both objects have the same keys', () => { |
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const obj = { a: 1 }; |
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const obj2 = { a: 1 }; |
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chai.expect(equals(obj, obj2)).to.be.equal(true); |
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}); |
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}); |
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describe('isObject', () => { |
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it('should return true if value is an object or function', () => { |
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const obj = {}; |
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const func = (a: any): any => a; |
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chai.expect(isObject(obj)).to.be.equal(true); |
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chai.expect(isObject(func)).to.be.equal(true); |
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}); |
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it('should return false for other data types', () => { |
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chai.expect(isObject(1)).to.be.equal(false); |
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chai.expect(isObject(true)).to.be.equal(false); |
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chai.expect(isObject('212')).to.be.equal(false); |
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}); |
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}); |
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describe('flatSome', () => { |
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it('should run .some on array', () => { |
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const arr = [1, 2, 4, 6, 9]; |
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const isEven = (v: number): boolean => v % 2 === 0; |
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chai.expect(flatSome(arr, isEven)).to.be.equal(true); |
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}); |
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it('should run the function on the value when its not an array', () => { |
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const val = 1; |
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const isEven = (v: number): boolean => v % 2 === 0; |
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chai.expect(flatSome(val, isEven)).to.be.equal(false); |
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}); |
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}); |
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describe('some', () => { |
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it('should run .some on array', () => { |
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const arr = [1, 2, 4, 6, 9]; |
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const isEven = (v: number | number[]): boolean => { |
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if (Array.isArray(v)) { return false; } |
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return v % 2 === 0; |
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}; |
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chai.expect(some(arr, isEven)).to.be.equal(true); |
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}); |
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it('should run the function on the value when its not an array', () => { |
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const val = 1; |
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const isEven = (v: number | number[]): boolean => { |
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if (Array.isArray(v)) { return false; } |
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return v % 2 === 0; |
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}; |
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chai.expect(some(val, isEven)).to.be.equal(false); |
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}); |
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}); |
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describe('isEmptyArray', () => { |
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it('should return true if array is empty', () => { |
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chai.expect(isEmptyArray([])).to.be.equal(true); |
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}); |
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it('should return false if value is not an array', () => { |
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chai.expect(isEmptyArray(1)).to.be.equal(false); |
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}); |
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it('should return false if array is not empty', () => { |
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chai.expect(isEmptyArray([1, 2])).to.be.equal(false); |
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}); |
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}); |
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}); |
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