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finish initial tests (close #9) #13

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Nov 28, 2021
Merged

finish initial tests (close #9) #13

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2 changes: 1 addition & 1 deletion extension/__snapshots__/advanzia-assistant.spec.ts.snap
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Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
// Jest Snapshot v1, https://goo.gl/fbAQLP

exports[`Content Script when on transactions page to insert correct dom modifications 1`] = `
exports[`Content Script when run on mein.gebuhrenfrei.com somewhere when on transactions page to insert correct dom modifications 1`] = `
<body>
<div
class="card"
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84 changes: 46 additions & 38 deletions extension/advanzia-assistant.spec.ts
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Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
import * as fs from 'fs';
import * as chromeMock from 'jest-chrome';
import { Response } from 'cross-fetch';
import { ContentScript, Script } from './advanzia-assistant';
import { Script } from './advanzia-assistant';

describe('Content Script', () => {
const eventsRaised: { [key: string]: boolean } = {
Expand All @@ -15,57 +15,65 @@ describe('Content Script', () => {
const resetRaised = (eventName: string) => { eventsRaised[eventName] = false };
const resetAllRaised = () => Object.keys(eventsRaised).forEach(resetRaised);

let script: ContentScript;
let script: Script;

beforeAll(() => Object.assign(global, chromeMock));
beforeEach(resetAllRaised);
beforeEach(() => {
script = new Script()
.on('noop', setRaised('noop'))
.on('ready', setRaised('ready'))
.on('done', setRaised('done'))
script = new Script();
});
beforeEach(() => Object.keys(eventsRaised).forEach(eventName => script.on(eventName, setRaised(eventName))));
beforeEach(jest.resetAllMocks);
beforeEach(jest.restoreAllMocks);
describe('when not on transactions page', () => {
it('should not do anything', async () => {
await script.execute();

expect(chrome.runtime.getURL).toBeCalledTimes(0);
expect(eventsRaised.noop).toBe(true);
expect(eventsRaised.ready).toBe(false);
expect(eventsRaised.done).toBe(false);
expect(eventsRaised.error).toBe(false);
});
});

describe('when on transactions page', () => {
const simulateAdvanziaAppDoingStuff = () => setTimeout(() => {
const div = document.createElement('div');
div.className = 'card';
document.body.appendChild(div);
}, 2000);

describe('when run on mein.gebuhrenfrei.com somewhere', () => {
beforeEach(() => {
jest.spyOn(window, "location", "get").mockReturnValue({
...window.location,
...{ pathname: '/retail-app-de' },
...{ host: 'mein.gebuhrenfrei.com' },
});
global.fetch = async () => new Response(fs.readFileSync('../dist/advanzia-assistant.wasm'));
});
describe('when not on transactions page', () => {
it('should not do anything', async () => {
await script.execute();

beforeEach(simulateAdvanziaAppDoingStuff);
beforeEach(() => script.execute());
it('should indicate ready status', async () => {
expect(chrome.runtime.getURL).toBeCalledTimes(1);
expect(eventsRaised.noop).toBe(false);
expect(eventsRaised.ready).toBe(true);
expect(eventsRaised.done).toBe(false);
expect(eventsRaised.error).toBe(false);
expect(eventsRaised.noop).toBe(true);
});
});

it('to insert correct dom modifications', async () => {
expect(document.body).toMatchSnapshot();
describe('when on transactions page', () => {
const simulateAdvanziaAppDoingStuff = () => setTimeout(() => {
const div = document.createElement('div');
div.className = 'card';
document.body.appendChild(div);
}, 2000);

beforeEach(() => {
jest.spyOn(window, "location", "get").mockReturnValue({
...window.location,
...{ pathname: '/retail-app-de' },
});
global.fetch = async () => new Response(fs.readFileSync('../dist/advanzia-assistant.wasm'));
});

beforeEach(simulateAdvanziaAppDoingStuff);
beforeEach(() => script.execute());
it('should indicate ready status', async () => {
expect(eventsRaised.ready).toBe(true);
});

it('to insert correct dom modifications', async () => {
expect(document.body).toMatchSnapshot();
});
});
})
});

describe('otherwise', () => {
it('should raise error event and create script error indicating that the script cannot be run if not on mein.gebuhrenfrei.com', async () => {
await script.execute();

expect(eventsRaised.error).toBe(true);
expect(script.errors.length).toBe(1);
expect(script.errors[0]).toEqual(new Error('this script can only be run on mein.gebuhrenfrei.com'));
});
});
});
5 changes: 5 additions & 0 deletions extension/advanzia-assistant.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -79,6 +79,11 @@ export class Script extends EventTarget implements ContentScript, EventListenerO
}

async execute() {
if (location.host !== 'mein.gebuhrenfrei.com') {
this.error(new Error('this script can only be run on mein.gebuhrenfrei.com'));
return;
}

if (location.pathname.indexOf('retail-app') === -1) {
this.dispatchEvent(this.events.noop);
return;
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