From b1eaaa3609052e6ac8b8fe716d2872e73089d371 Mon Sep 17 00:00:00 2001 From: Kip Robinson Date: Sun, 9 Jan 2022 21:30:49 -0500 Subject: [PATCH] add unit testing --- app/lib/util.ts | 6 +- package.json | 6 +- pnpm-lock.yaml | 419 ++++++++++++++++++++++++++++++++++++++++++ test/lib/util.spec.ts | 89 +++++++++ 4 files changed, 516 insertions(+), 4 deletions(-) create mode 100644 test/lib/util.spec.ts diff --git a/app/lib/util.ts b/app/lib/util.ts index 7236b75..b3e8a52 100644 --- a/app/lib/util.ts +++ b/app/lib/util.ts @@ -23,10 +23,10 @@ export const arrayUnion = (a:T[], b:T[]):T[] => { * Returns the intersection of two arrays. */ export const arrayIntersection = (a:T[], b:T[]):T[] => { - const aSet = new Set([...a]); + const bSet = new Set([...b]); const res = new Set(); - for(let el of b) { - if(aSet.has(el)) { + for(let el of a) { + if(bSet.has(el)) { res.add(el); } } diff --git a/package.json b/package.json index d16c05f..37e3b50 100644 --- a/package.json +++ b/package.json @@ -5,7 +5,7 @@ "main": "index.ts", "scripts": { "start": "ts-node index.ts", - "test": "echo \"Error: no test specified\" && exit 1" + "test": "mocha -r ts-node/register ./test/**/*.spec.ts" }, "repository": { "type": "git", @@ -18,8 +18,12 @@ }, "homepage": "https://github.com/kiprobinson/wordle-solver#readme", "devDependencies": { + "@types/chai": "^4.3.0", + "@types/mocha": "^9.0.0", "@types/node": "^17.0.8", + "chai": "^4.3.4", "eslint": "^8.6.0", + "mocha": "^9.1.3", "ts-node": "^10.4.0", "typescript": "^4.5.4" } diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml index a6149e2..55300b9 100644 --- a/pnpm-lock.yaml +++ b/pnpm-lock.yaml @@ -1,14 +1,22 @@ lockfileVersion: 5.3 specifiers: + '@types/chai': ^4.3.0 + '@types/mocha': ^9.0.0 '@types/node': ^17.0.8 + chai: ^4.3.4 eslint: ^8.6.0 + mocha: ^9.1.3 ts-node: ^10.4.0 typescript: ^4.5.4 devDependencies: + '@types/chai': 4.3.0 + '@types/mocha': 9.0.0 '@types/node': 17.0.8 + chai: 4.3.4 eslint: 8.6.0 + mocha: 9.1.3 ts-node: 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sha512-Ux4ygGWsu2c7isFWe8Yu1YluJmqVhxqK2cLXNQA5AcC3QfbGNpM7fu0Y8b/z16pXLnFxZYvWhd3fhBY9DLmC6Q==} engines: {node: '>=6'} dev: true + + /yocto-queue/0.1.0: + resolution: {integrity: sha512-rVksvsnNCdJ/ohGc6xgPwyN8eheCxsiLM8mxuE/t/mOVqJewPuO1miLpTHQiRgTKCLexL4MeAFVagts7HmNZ2Q==} + engines: {node: '>=10'} + dev: true diff --git a/test/lib/util.spec.ts b/test/lib/util.spec.ts new file mode 100644 index 0000000..d3b948b --- /dev/null +++ b/test/lib/util.spec.ts @@ -0,0 +1,89 @@ +import { expect } from "chai"; +import { arrayCount, arrayIntersection, arrayRemoveValue, arrayUnion, JsonStringifySets } from "../../app/lib/util"; + + +describe('test util.ts methods', () => { + it('arrayRemoveValue', () => { + expect(arrayRemoveValue(['a', 'b', 'c'], 'a')).to.deep.equal(['b', 'c']); + expect(arrayRemoveValue(['a', 'b', 'c'], 'b')).to.deep.equal(['a', 'c']); + expect(arrayRemoveValue(['a', 'b', 'c'], 'x')).to.deep.equal(['a', 'b', 'c']); + expect(arrayRemoveValue(['a', 'a', 'a'], 'a')).to.deep.equal(['a', 'a']); + expect(arrayRemoveValue(['a', 'b', 'a'], 'a')).to.deep.equal(['b', 'a']); + expect(arrayRemoveValue(['a'], 'a')).to.deep.equal([]); + expect(arrayRemoveValue([], 'a')).to.deep.equal([]); + + + expect(arrayRemoveValue(['1', '2', '3'], '1')).to.deep.equal(['2', '3']); + expect(arrayRemoveValue(['1', '2', '3'], 1)).to.deep.equal(['1', '2', '3']); + expect(arrayRemoveValue([1, 2, 3], '1')).to.deep.equal([1, 2, 3]); + }); + + it('arrayRemoveValue modifies array in place and also returns a reference to the same array', () => { + let arrIn = ['a', 'b', 'c']; + let arrOut = arrayRemoveValue(arrIn, 'a'); + + //original array should be modified also + expect(arrOut).to.deep.equal(['b', 'c']); + expect(arrIn).to.deep.equal(['b', 'c']); + + //ensure that both arrays are actually the same reference + expect(arrIn).to.equal(arrOut); + }); + + it('arrayUnion', () => { + expect(arrayUnion(['a', 'b', 'c'], ['d', 'e', 'f'])).to.deep.equal(['a', 'b', 'c', 'd', 'e', 'f']); + expect(arrayUnion(['a', 'b', 'c'], [])).to.deep.equal(['a', 'b', 'c']); + expect(arrayUnion([], ['d', 'e', 'f'])).to.deep.equal(['d', 'e', 'f']); + expect(arrayUnion([], [])).to.deep.equal([]); + expect(arrayUnion(['a', 'b', 'c'], ['a', 'b', 'c'])).to.deep.equal(['a', 'b', 'c']); + expect(arrayUnion(['a', 'a', 'a'], ['a', 'a', 'a'])).to.deep.equal(['a']); + expect(arrayUnion(['a', 'a', 'a'], ['b', 'b', 'b'])).to.deep.equal(['a', 'b']); + expect(arrayUnion(['a', 'a', 'a'], [])).to.deep.equal(['a']); + expect(arrayUnion([], ['b', 'b', 'b'])).to.deep.equal(['b']); + expect(arrayUnion(['a', 'b', 'a'], ['b', 'c', 'a'])).to.deep.equal(['a', 'b', 'c']); + + expect(arrayUnion(['1', '2', '3'], ['5', '4', '3'])).to.deep.equal(['1', '2', '3', '5', '4']); + expect(arrayUnion(['1', '2', '3'], [5, 4, 3])).to.deep.equal(['1', '2', '3', 5, 4, 3]); + }); + + it('arrayIntersection', () => { + expect(arrayIntersection(['a', 'b', 'c'], ['d', 'e', 'f'])).to.deep.equal([]); + expect(arrayIntersection(['a', 'b', 'c'], [])).to.deep.equal([]); + expect(arrayIntersection([], ['d', 'e', 'f'])).to.deep.equal([]); + expect(arrayIntersection([], [])).to.deep.equal([]); + expect(arrayIntersection(['a', 'b', 'c'], ['c', 'b', 'a'])).to.deep.equal(['a', 'b', 'c']); + expect(arrayIntersection(['a', 'b', 'c'], ['e', 'd', 'c'])).to.deep.equal(['c']); + expect(arrayIntersection(['1', '2', '3'], [5, 4, 3])).to.deep.equal([]); + }); + + it('arrayCount', () => { + expect(arrayCount(['a', 'b', 'c'], 'a')).to.equal(1); + expect(arrayCount(['a', 'b', 'a'], 'a')).to.equal(2); + expect(arrayCount(['a', 'a', 'a'], 'a')).to.equal(3); + expect(arrayCount(['a', 'b', 'c'], 'x')).to.equal(0); + expect(arrayCount([1, 2, 3], 3)).to.equal(1); + expect(arrayCount([3, 2, 3], 3)).to.equal(2); + expect(arrayCount([3, 3, 3], 3)).to.equal(3); + expect(arrayCount(['1', '2', '3'], 1)).to.equal(0); + expect(arrayCount([1, 2, 3], '1')).to.equal(0); + }); + + it('JsonStringifySets', () => { + const o = { + a: 'b', + c: ['d', 'e', 'f'], + g: new Set(['h', 'i', 'j']), + k: true, + l: { + m: new Set(['n', 0, 'p']), + q: ['r', 's', 't'], + }, + }; + + const expectedNoSpace = '{"a":"b","c":["d","e","f"],"g":["h","i","j"],"k":true,"l":{"m":["n",0,"p"],"q":["r","s","t"]}}'; + const expectedThreeSpace = '{\n "a": "b",\n "c": [\n "d",\n "e",\n "f"\n ],\n "g": [\n "h",\n "i",\n "j"\n ],\n "k": true,\n "l": {\n "m": [\n "n",\n 0,\n "p"\n ],\n "q": [\n "r",\n "s",\n "t"\n ]\n }\n}'; + + expect(JsonStringifySets(o)).to.equal(expectedNoSpace); + expect(JsonStringifySets(o, 3)).to.equal(expectedThreeSpace); + }); +});