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switch localStorage mock to mock-local-storage,

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fix unit tests to work with ES6 import syntax,
remove testenv module
This commit is contained in:
Arthur Lu 2022-11-11 02:39:40 +00:00
parent 23c29e80bc
commit 8b2ae89bd2
7 changed files with 10 additions and 166 deletions
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6
package.json
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@ -1,13 +1,15 @@
{
"name": "food-journal",
"version": "1.0.0",
"type": "module",
"scripts": {
"test": "mocha --recursive './{,!(node_modules)/**}/*.test.js'",
"test": "mocha --recursive --require mock-local-storage './{,!(node_modules)/**}/*.test.js'",
"lint": "eslint **/*.js",
"fix-style": "eslint --fix '**/*.js'"
},
"devDependencies": {
"eslint": "^8.27.0",
"mocha": "10"
"mocha": "10",
"mock-local-storage": "^1.1.23"
}
}

3
source/assets/scripts/localStorage.js
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@ -1,6 +1,3 @@
//
//module.exports = {getReviewsFromStorage, saveReviewsToStorage};
/**
* @returns {Array<Object>} An array of reviews found in localStorage
*/

13
source/assets/scripts/localStorage.test.js
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@ -1,11 +1,9 @@
const {getReviewsFromStorage, saveReviewsToStorage} = require("./localStorage");
const {environment} = require("./testenv");
const assert = require("assert");
const {describe, it, beforeEach} = require("mocha");
import {strict as assert} from "node:assert"
import {describe, it, beforeEach} from "mocha";
import {saveReviewsToStorage, getReviewsFromStorage} from "./localStorage.js";
beforeEach(() => {
window = environment();
localStorage = window.localStorage;
localStorage.clear();
});
describe("test app localStorage interaction", () => {
@ -26,7 +24,8 @@ describe("test app localStorage interaction", () => {
assert.deepEqual(getReviewsFromStorage(), reviews);
});
it("repeated store one more and get", () => {
saveReviewsToStorage(reviews);
let reviews = [];
assert.deepEqual(getReviewsFromStorage(), reviews);
for(let i = 0; i < 1000; i++){

28
source/assets/scripts/testenv.js
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@ -1,28 +0,0 @@
module.exports = {environment};
function environment () {
const localStorageMock = (function () {
let store = {};
return {
getItem(key) {
return store[key];
},
setItem(key, value) {
store[key] = value;
},
clear() {
store = {};
},
removeItem(key) {
delete store[key];
},
getAll() {
return store;
},
};
})();
let window = {};
Object.defineProperty(window, "localStorage", { value: localStorageMock });
return window;
}

28
testenv/testenv.js
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@ -1,28 +0,0 @@
module.exports = {environment};
function environment () {
const localStorageMock = (function () {
let store = {};
return {
getItem(key) {
return store[key];
},
setItem(key, value) {
store[key] = value;
},
clear() {
store = {};
},
removeItem(key) {
delete store[key];
},
getAll() {
return store;
},
};
})();
let window = {};
Object.defineProperty(window, "localStorage", { value: localStorageMock });
return window;
}

81
testenv/testenv.test.js
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@ -1,81 +0,0 @@
const {environment} = require("./testenv.js");
var assert = require("assert");
var {describe, it, beforeEach} = require("mocha");
var {saveToLocal, getFromLocal, removeFromLocal, clearLocal} = require("./testenv_helpers");
beforeEach(() => {
window = environment();
});
describe("test localStorage mock", () => {
it("test save and fetch", () => {
saveToLocal("testkey1", "testvalue1");
saveToLocal("testkey2", "testvalue2");
saveToLocal("testkey3", "testvalue3");
saveToLocal("testkey4", "testvalue4");
assert.equal(getFromLocal("testkey1"), "testvalue1");
assert.equal(getFromLocal("testkey2"), "testvalue2");
assert.equal(getFromLocal("testkey3"), "testvalue3");
assert.equal(getFromLocal("testkey4"), "testvalue4");
saveToLocal("testkey6", "testvalue5");
assert.equal(getFromLocal("testkey6"), "testvalue5");
});
it("test window locality", () => {
assert.equal(getFromLocal("testkey1"), null);
assert.equal(getFromLocal("testkey2"), null);
assert.equal(getFromLocal("testkey3"), null);
assert.equal(getFromLocal("testkey4"), null);
});
it("test delete and fetch", () => {
saveToLocal("testkey1", "testvalue1");
saveToLocal("testkey2", "testvalue2");
saveToLocal("testkey3", "testvalue3");
saveToLocal("testkey4", "testvalue4");
removeFromLocal("testkey3");
assert.equal(getFromLocal("testkey1"), "testvalue1");
assert.equal(getFromLocal("testkey2"), "testvalue2");
assert.equal(getFromLocal("testkey3"), null);
assert.equal(getFromLocal("testkey4"), "testvalue4");
removeFromLocal("testkey1");
assert.equal(getFromLocal("testkey1"), null);
assert.equal(getFromLocal("testkey2"), "testvalue2");
assert.equal(getFromLocal("testkey3"), null);
assert.equal(getFromLocal("testkey4"), "testvalue4");
removeFromLocal("testkey4");
assert.equal(getFromLocal("testkey1"), null);
assert.equal(getFromLocal("testkey2"), "testvalue2");
assert.equal(getFromLocal("testkey3"), null);
assert.equal(getFromLocal("testkey4"), null);
removeFromLocal("testkey2");
assert.equal(getFromLocal("testkey1"), null);
assert.equal(getFromLocal("testkey2"), null);
assert.equal(getFromLocal("testkey3"), null);
assert.equal(getFromLocal("testkey4"), null);
});
it("test clear and fetch", () => {
saveToLocal("testkey1", "testvalue1");
saveToLocal("testkey2", "testvalue2");
saveToLocal("testkey3", "testvalue3");
saveToLocal("testkey4", "testvalue4");
clearLocal();
assert.equal(getFromLocal("testkey1"), null);
assert.equal(getFromLocal("testkey2"), null);
assert.equal(getFromLocal("testkey3"), null);
assert.equal(getFromLocal("testkey4"), null);
});
});

17
testenv/testenv_helpers.js
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@ -1,17 +0,0 @@
module.exports = {saveToLocal, getFromLocal, removeFromLocal, clearLocal};
function saveToLocal (k, v) {
window.localStorage.setItem(k, v);
}
function getFromLocal (k) {
return window.localStorage.getItem(k);
}
function removeFromLocal (k) {
window.localStorage.removeItem(k);
}
function clearLocal () {
window.localStorage.clear();
}