Unit testing (#32)

* add testing lib

* remove coverage folder from git

* finished basic test setup

* fix tests typescript and import paths

* add first snapshot

* testing utils

* rename test files; update script flags; ++tests

* testing utils functions

* testing downloadAndResize wip

* remove download test

* specify unwanted coverage paths;
remove update snapshots flag

* fix strings tests

* testing downloadAndResize method

* increasing testing

* fixing snapshots wip

* fixed shell mobile snapshot

* adding snapshots for the screens

* fix onboard snapshot

* fix typescript issues

* fix TabsSelector snapshot

* Account for testing device's locale in ago() tests

* Remove platform detection on regex

Co-authored-by: Paul Frazee <pfrazee@gmail.com>
This commit is contained in:
João Ferreiro 2022-12-22 15:32:39 +00:00 committed by GitHub
parent 4913a07e33
commit 7517b65dcd
60 changed files with 10409 additions and 34 deletions

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import {downloadAndResize, DownloadAndResizeOpts} from '../../src/lib/download'
import ImageResizer from '@bam.tech/react-native-image-resizer'
import RNFetchBlob from 'rn-fetch-blob'
jest.mock('rn-fetch-blob', () => ({
config: jest.fn().mockReturnThis(),
cancel: jest.fn(),
fetch: jest.fn(),
}))
jest.mock('@bam.tech/react-native-image-resizer', () => ({
createResizedImage: jest.fn(),
}))
describe('downloadAndResize', () => {
const errorSpy = jest.spyOn(global.console, 'error')
const mockResizedImage = {
path: jest.fn().mockReturnValue('file://resized-image.jpg'),
}
beforeEach(() => {
jest.clearAllMocks()
const mockedCreateResizedImage =
ImageResizer.createResizedImage as jest.Mock
mockedCreateResizedImage.mockResolvedValue(mockResizedImage)
})
it('should return resized image for valid URI and options', async () => {
const mockedFetch = RNFetchBlob.fetch as jest.Mock
mockedFetch.mockResolvedValueOnce({
path: jest.fn().mockReturnValue('file://downloaded-image.jpg'),
flush: jest.fn(),
})
const opts: DownloadAndResizeOpts = {
uri: 'https://example.com/image.jpg',
width: 100,
height: 100,
mode: 'cover',
timeout: 10000,
}
const result = await downloadAndResize(opts)
expect(result).toEqual(mockResizedImage)
expect(RNFetchBlob.config).toHaveBeenCalledWith({
fileCache: true,
appendExt: 'jpeg',
})
expect(RNFetchBlob.fetch).toHaveBeenCalledWith(
'GET',
'https://example.com/image.jpg',
)
expect(ImageResizer.createResizedImage).toHaveBeenCalledWith(
'file://downloaded-image.jpg',
100,
100,
'JPEG',
0.7,
undefined,
undefined,
undefined,
{mode: 'cover'},
)
})
it('should return undefined for invalid URI', async () => {
const opts: DownloadAndResizeOpts = {
uri: 'invalid-uri',
width: 100,
height: 100,
mode: 'cover',
timeout: 10000,
}
const result = await downloadAndResize(opts)
expect(errorSpy).toHaveBeenCalled()
expect(result).toBeUndefined()
})
it('should return undefined for unsupported file type', async () => {
const opts: DownloadAndResizeOpts = {
uri: 'https://example.com/image.bmp',
width: 100,
height: 100,
mode: 'cover',
timeout: 10000,
}
const result = await downloadAndResize(opts)
expect(result).toBeUndefined()
})
})

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import {isNetworkError} from '../../src/lib/errors'
describe('isNetworkError', () => {
const inputs = [
'TypeError: Network request failed',
'Uncaught TypeError: Cannot read property x of undefined',
'Uncaught RangeError',
'Error: Aborted',
]
const outputs = [true, false, false, true]
it('correctly distinguishes network errors', () => {
for (let i = 0; i < inputs.length; i++) {
const input = inputs[i]
const result = isNetworkError(input)
expect(result).toEqual(outputs[i])
}
})
})

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import {LikelyType, getLinkMeta, getLikelyType} from '../../src/lib/link-meta'
const exampleComHtml = `<!doctype html>
<html>
<head>
<title>Example Domain</title>
<meta name="description" content="An example website">
<meta charset="utf-8" />
<meta http-equiv="Content-type" content="text/html; charset=utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<style type="text/css">
body {
background-color: #f0f0f2;
margin: 0;
padding: 0;
font-family: -apple-system, system-ui, BlinkMacSystemFont, "Segoe UI", "Open Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
}
div {
width: 600px;
margin: 5em auto;
padding: 2em;
background-color: #fdfdff;
border-radius: 0.5em;
box-shadow: 2px 3px 7px 2px rgba(0,0,0,0.02);
}
a:link, a:visited {
color: #38488f;
text-decoration: none;
}
@media (max-width: 700px) {
div {
margin: 0 auto;
width: auto;
}
}
</style>
</head>
<body>
<div>
<h1>Example Domain</h1>
<p>This domain is for use in illustrative examples in documents. You may use this
domain in literature without prior coordination or asking for permission.</p>
<p><a href="https://www.iana.org/domains/example">More information...</a></p>
</div>
</body>
</html>`
describe('getLinkMeta', () => {
const inputs = [
'',
'httpbadurl',
'https://example.com',
'https://example.com/index.html',
'https://example.com/image.png',
'https://example.com/video.avi',
'https://example.com/audio.ogg',
'https://example.com/text.txt',
'https://example.com/javascript.js',
'https://bsky.app/index.html',
]
const outputs = [
{
error: 'Invalid URL',
likelyType: LikelyType.Other,
url: '',
},
{
error: 'Invalid URL',
likelyType: LikelyType.Other,
url: 'httpbadurl',
},
{
likelyType: LikelyType.HTML,
url: 'https://example.com',
title: 'Example Domain',
description: 'An example website',
},
{
likelyType: LikelyType.HTML,
url: 'https://example.com/index.html',
title: 'Example Domain',
description: 'An example website',
},
{
likelyType: LikelyType.Image,
url: 'https://example.com/image.png',
},
{
likelyType: LikelyType.Video,
url: 'https://example.com/video.avi',
},
{
likelyType: LikelyType.Audio,
url: 'https://example.com/audio.ogg',
},
{
likelyType: LikelyType.Text,
url: 'https://example.com/text.txt',
},
{
likelyType: LikelyType.Other,
url: 'https://example.com/javascript.js',
},
{
likelyType: LikelyType.AtpData,
url: '/index.html',
title: 'Not found',
},
{
likelyType: LikelyType.Other,
url: '',
title: '',
},
]
it('correctly handles a set of text inputs', async () => {
for (let i = 0; i < inputs.length; i++) {
global.fetch = jest.fn().mockImplementationOnce(() => {
return new Promise((resolve, _reject) => {
resolve({
ok: true,
status: 200,
text: () => exampleComHtml,
})
})
})
const input = inputs[i]
const output = await getLinkMeta(input)
expect(output).toEqual(outputs[i])
}
})
})
describe('getLikelyType', () => {
it('correctly handles non-parsed url', async () => {
const output = await getLikelyType('https://example.com')
expect(output).toEqual(LikelyType.HTML)
})
it('handles non-string urls without crashing', async () => {
const output = await getLikelyType('123')
expect(output).toEqual(LikelyType.Other)
})
})

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import {clamp} from '../../src/lib/numbers'
describe('clamp', () => {
const inputs: [number, number, number][] = [
[100, 0, 200],
[100, 0, 100],
[0, 0, 100],
[100, 0, -1],
[4, 1, 1],
[100, -100, 0],
[400, 100, -100],
[70, -1, 1],
[Infinity, Infinity, Infinity],
]
const outputs = [100, 100, 0, -1, 1, 0, -100, 1, Infinity]
it('correctly clamps any given number and range', () => {
for (let i = 0; i < inputs.length; i++) {
const input = inputs[i]
const result = clamp(...input)
expect(result).toEqual(outputs[i])
}
})
})

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import {
extractEntities,
detectLinkables,
extractHtmlMeta,
pluralize,
makeRecordUri,
ago,
makeValidHandle,
createFullHandle,
enforceLen,
cleanError,
toNiceDomain,
toShortUrl,
toShareUrl,
} from '../../src/lib/strings'
describe('extractEntities', () => {
const knownHandles = new Set(['handle.com', 'full123.test-of-chars'])
const inputs = [
'no mention',
'@handle.com middle end',
'start @handle.com end',
'start middle @handle.com',
'@handle.com @handle.com @handle.com',
'@full123.test-of-chars',
'not@right',
'@handle.com!@#$chars',
'@handle.com\n@handle.com',
'parenthetical (@handle.com)',
'start https://middle.com end',
'start https://middle.com/foo/bar end',
'start https://middle.com/foo/bar?baz=bux end',
'start https://middle.com/foo/bar?baz=bux#hash end',
'https://start.com/foo/bar?baz=bux#hash middle end',
'start middle https://end.com/foo/bar?baz=bux#hash',
'https://newline1.com\nhttps://newline2.com',
'start middle.com end',
'start middle.com/foo/bar end',
'start middle.com/foo/bar?baz=bux end',
'start middle.com/foo/bar?baz=bux#hash end',
'start.com/foo/bar?baz=bux#hash middle end',
'start middle end.com/foo/bar?baz=bux#hash',
'newline1.com\nnewline2.com',
'not.. a..url ..here',
'e.g.',
'something-cool.jpg',
'website.com.jpg',
'e.g./foo',
'website.com.jpg/foo',
'Classic article https://socket3.wordpress.com/2018/02/03/designing-windows-95s-user-interface/',
'Classic article https://socket3.wordpress.com/2018/02/03/designing-windows-95s-user-interface/ ',
'https://foo.com https://bar.com/whatever https://baz.com',
'punctuation https://foo.com, https://bar.com/whatever; https://baz.com.',
'parenthentical (https://foo.com)',
'except for https://foo.com/thing_(cool)',
]
interface Output {
type: string
value: string
noScheme?: boolean
}
const outputs: Output[][] = [
[],
[{type: 'mention', value: 'handle.com'}],
[{type: 'mention', value: 'handle.com'}],
[{type: 'mention', value: 'handle.com'}],
[
{type: 'mention', value: 'handle.com'},
{type: 'mention', value: 'handle.com'},
{type: 'mention', value: 'handle.com'},
],
[
{
type: 'mention',
value: 'full123.test-of-chars',
},
],
[],
[{type: 'mention', value: 'handle.com'}],
[
{type: 'mention', value: 'handle.com'},
{type: 'mention', value: 'handle.com'},
],
[{type: 'mention', value: 'handle.com'}],
[{type: 'link', value: 'https://middle.com'}],
[{type: 'link', value: 'https://middle.com/foo/bar'}],
[{type: 'link', value: 'https://middle.com/foo/bar?baz=bux'}],
[{type: 'link', value: 'https://middle.com/foo/bar?baz=bux#hash'}],
[{type: 'link', value: 'https://start.com/foo/bar?baz=bux#hash'}],
[{type: 'link', value: 'https://end.com/foo/bar?baz=bux#hash'}],
[
{type: 'link', value: 'https://newline1.com'},
{type: 'link', value: 'https://newline2.com'},
],
[{type: 'link', value: 'middle.com', noScheme: true}],
[{type: 'link', value: 'middle.com/foo/bar', noScheme: true}],
[{type: 'link', value: 'middle.com/foo/bar?baz=bux', noScheme: true}],
[{type: 'link', value: 'middle.com/foo/bar?baz=bux#hash', noScheme: true}],
[{type: 'link', value: 'start.com/foo/bar?baz=bux#hash', noScheme: true}],
[{type: 'link', value: 'end.com/foo/bar?baz=bux#hash', noScheme: true}],
[
{type: 'link', value: 'newline1.com', noScheme: true},
{type: 'link', value: 'newline2.com', noScheme: true},
],
[],
[],
[],
[],
[],
[],
[
{
type: 'link',
value:
'https://socket3.wordpress.com/2018/02/03/designing-windows-95s-user-interface/',
},
],
[
{
type: 'link',
value:
'https://socket3.wordpress.com/2018/02/03/designing-windows-95s-user-interface/',
},
],
[
{type: 'link', value: 'https://foo.com'},
{type: 'link', value: 'https://bar.com/whatever'},
{type: 'link', value: 'https://baz.com'},
],
[
{type: 'link', value: 'https://foo.com'},
{type: 'link', value: 'https://bar.com/whatever'},
{type: 'link', value: 'https://baz.com'},
],
[{type: 'link', value: 'https://foo.com'}],
[{type: 'link', value: 'https://foo.com/thing_(cool)'}],
]
it('correctly handles a set of text inputs', () => {
for (let i = 0; i < inputs.length; i++) {
const input = inputs[i]
const result = extractEntities(input, knownHandles)
if (!outputs[i].length) {
expect(result).toBeFalsy()
} else if (outputs[i].length && !result) {
expect(result).toBeTruthy()
} else if (result) {
expect(result.length).toBe(outputs[i].length)
for (let j = 0; j < outputs[i].length; j++) {
expect(result[j].type).toEqual(outputs[i][j].type)
if (outputs[i][j].noScheme) {
expect(result[j].value).toEqual(`https://${outputs[i][j].value}`)
} else {
expect(result[j].value).toEqual(outputs[i][j].value)
}
if (outputs[i]?.[j].type === 'mention') {
expect(
input.slice(result[j].index.start, result[j].index.end),
).toBe(`@${result[j].value}`)
} else {
if (!outputs[i]?.[j].noScheme) {
expect(
input.slice(result[j].index.start, result[j].index.end),
).toBe(result[j].value)
} else {
expect(
input.slice(result[j].index.start, result[j].index.end),
).toBe(result[j].value.slice('https://'.length))
}
}
}
}
}
})
})
describe('detectLinkables', () => {
const inputs = [
'no linkable',
'@start middle end',
'start @middle end',
'start middle @end',
'@start @middle @end',
'@full123.test-of-chars',
'not@right',
'@bad!@#$chars',
'@newline1\n@newline2',
'parenthetical (@handle)',
'start https://middle.com end',
'start https://middle.com/foo/bar end',
'start https://middle.com/foo/bar?baz=bux end',
'start https://middle.com/foo/bar?baz=bux#hash end',
'https://start.com/foo/bar?baz=bux#hash middle end',
'start middle https://end.com/foo/bar?baz=bux#hash',
'https://newline1.com\nhttps://newline2.com',
'start middle.com end',
'start middle.com/foo/bar end',
'start middle.com/foo/bar?baz=bux end',
'start middle.com/foo/bar?baz=bux#hash end',
'start.com/foo/bar?baz=bux#hash middle end',
'start middle end.com/foo/bar?baz=bux#hash',
'newline1.com\nnewline2.com',
'not.. a..url ..here',
'e.g.',
'e.g. real.com fake.notreal',
'something-cool.jpg',
'website.com.jpg',
'e.g./foo',
'website.com.jpg/foo',
'Classic article https://socket3.wordpress.com/2018/02/03/designing-windows-95s-user-interface/',
'Classic article https://socket3.wordpress.com/2018/02/03/designing-windows-95s-user-interface/ ',
'https://foo.com https://bar.com/whatever https://baz.com',
'punctuation https://foo.com, https://bar.com/whatever; https://baz.com.',
'parenthentical (https://foo.com)',
'except for https://foo.com/thing_(cool)',
]
const outputs = [
['no linkable'],
[{link: '@start'}, ' middle end'],
['start ', {link: '@middle'}, ' end'],
['start middle ', {link: '@end'}],
[{link: '@start'}, ' ', {link: '@middle'}, ' ', {link: '@end'}],
[{link: '@full123.test-of-chars'}],
['not@right'],
[{link: '@bad'}, '!@#$chars'],
[{link: '@newline1'}, '\n', {link: '@newline2'}],
['parenthetical (', {link: '@handle'}, ')'],
['start ', {link: 'https://middle.com'}, ' end'],
['start ', {link: 'https://middle.com/foo/bar'}, ' end'],
['start ', {link: 'https://middle.com/foo/bar?baz=bux'}, ' end'],
['start ', {link: 'https://middle.com/foo/bar?baz=bux#hash'}, ' end'],
[{link: 'https://start.com/foo/bar?baz=bux#hash'}, ' middle end'],
['start middle ', {link: 'https://end.com/foo/bar?baz=bux#hash'}],
[{link: 'https://newline1.com'}, '\n', {link: 'https://newline2.com'}],
['start ', {link: 'middle.com'}, ' end'],
['start ', {link: 'middle.com/foo/bar'}, ' end'],
['start ', {link: 'middle.com/foo/bar?baz=bux'}, ' end'],
['start ', {link: 'middle.com/foo/bar?baz=bux#hash'}, ' end'],
[{link: 'start.com/foo/bar?baz=bux#hash'}, ' middle end'],
['start middle ', {link: 'end.com/foo/bar?baz=bux#hash'}],
[{link: 'newline1.com'}, '\n', {link: 'newline2.com'}],
['not.. a..url ..here'],
['e.g.'],
['e.g. ', {link: 'real.com'}, ' fake.notreal'],
['something-cool.jpg'],
['website.com.jpg'],
['e.g./foo'],
['website.com.jpg/foo'],
[
'Classic article ',
{
link: 'https://socket3.wordpress.com/2018/02/03/designing-windows-95s-user-interface/',
},
],
[
'Classic article ',
{
link: 'https://socket3.wordpress.com/2018/02/03/designing-windows-95s-user-interface/',
},
' ',
],
[
{link: 'https://foo.com'},
' ',
{link: 'https://bar.com/whatever'},
' ',
{link: 'https://baz.com'},
],
[
'punctuation ',
{link: 'https://foo.com'},
', ',
{link: 'https://bar.com/whatever'},
'; ',
{link: 'https://baz.com'},
'.',
],
['parenthentical (', {link: 'https://foo.com'}, ')'],
['except for ', {link: 'https://foo.com/thing_(cool)'}],
]
it('correctly handles a set of text inputs', () => {
for (let i = 0; i < inputs.length; i++) {
const input = inputs[i]
const output = detectLinkables(input)
expect(output).toEqual(outputs[i])
}
})
})
describe('extractHtmlMeta', () => {
const inputs = [
'',
'nothing',
'<title>title</title>',
'<title> aSd!@#AC </title>',
'<title>\n title\n </title>',
'<meta name="title" content="meta title">',
'<meta name="description" content="meta description">',
'<meta property="og:title" content="og title">',
'<meta property="og:description" content="og description">',
'<meta property="og:image" content="https://ogimage.com/foo.png">',
'<meta property="twitter:title" content="twitter title">',
'<meta property="twitter:description" content="twitter description">',
'<meta property="twitter:image" content="https://twitterimage.com/foo.png">',
'<meta\n name="title"\n content="meta title"\n>',
]
const outputs = [
{},
{},
{title: 'title'},
{title: 'aSd!@#AC'},
{title: 'title'},
{title: 'meta title'},
{description: 'meta description'},
{title: 'og title'},
{description: 'og description'},
{image: 'https://ogimage.com/foo.png'},
{title: 'twitter title'},
{description: 'twitter description'},
{image: 'https://twitterimage.com/foo.png'},
{title: 'meta title'},
]
it('correctly handles a set of text inputs', () => {
for (let i = 0; i < inputs.length; i++) {
const input = inputs[i]
const output = extractHtmlMeta(input)
expect(output).toEqual(outputs[i])
}
})
})
describe('pluralize', () => {
const inputs: [number, string, string?][] = [
[1, 'follower'],
[1, 'member'],
[100, 'post'],
[1000, 'repost'],
[10000, 'upvote'],
[100000, 'other'],
[2, 'man', 'men'],
]
const outputs = [
'follower',
'member',
'posts',
'reposts',
'upvotes',
'others',
'men',
]
it('correctly pluralizes a set of words', () => {
for (let i = 0; i < inputs.length; i++) {
const input = inputs[i]
const output = pluralize(...input)
expect(output).toEqual(outputs[i])
}
})
})
describe('makeRecordUri', () => {
const inputs: [string, string, string][] = [
['alice.test', 'app.bsky.feed.post', '3jk7x4irgv52r'],
]
const outputs = ['at://alice.test/app.bsky.feed.post/3jk7x4irgv52r']
it('correctly builds a record URI', () => {
for (let i = 0; i < inputs.length; i++) {
const input = inputs[i]
const result = makeRecordUri(...input)
expect(result).toEqual(outputs[i])
}
})
})
describe('ago', () => {
const inputs = [
1671461038,
'04 Dec 1995 00:12:00 GMT',
new Date(),
new Date().setMinutes(new Date().getMinutes() - 10),
new Date().setHours(new Date().getHours() - 1),
new Date().setDate(new Date().getDate() - 1),
new Date().setMonth(new Date().getMonth() - 1),
]
const outputs = [
new Date(1671461038).toLocaleDateString(),
new Date('04 Dec 1995 00:12:00 GMT').toLocaleDateString(),
'0s',
'10m',
'1h',
'1d',
'1mo',
]
it('correctly calculates how much time passed, in a string', () => {
for (let i = 0; i < inputs.length; i++) {
const result = ago(inputs[i])
expect(result).toEqual(outputs[i])
}
})
})
describe('makeValidHandle', () => {
const inputs = [
'test-handle-123',
'test!"#$%&/()=?_',
'this-handle-should-be-too-big',
]
const outputs = ['test-handle-123', 'test', 'this-handle-should-b']
it('correctly parses and corrects handles', () => {
for (let i = 0; i < inputs.length; i++) {
const result = makeValidHandle(inputs[i])
expect(result).toEqual(outputs[i])
}
})
})
describe('createFullHandle', () => {
const inputs: [string, string][] = [
['test-handle-123', 'test'],
['.test.handle', 'test.test.'],
['test.handle.', '.test.test'],
]
const outputs = [
'test-handle-123.test',
'.test.handle.test.test.',
'test.handle.test.test',
]
it('correctly parses and corrects handles', () => {
for (let i = 0; i < inputs.length; i++) {
const input = inputs[i]
const result = createFullHandle(...input)
expect(result).toEqual(outputs[i])
}
})
})
describe('enforceLen', () => {
const inputs: [string, number][] = [
['Hello World!', 5],
['Hello World!', 20],
['', 5],
]
const outputs = ['Hello', 'Hello World!', '']
it('correctly enforces defined length on a given string', () => {
for (let i = 0; i < inputs.length; i++) {
const input = inputs[i]
const result = enforceLen(...input)
expect(result).toEqual(outputs[i])
}
})
})
describe('cleanError', () => {
const inputs = [
'TypeError: Network request failed',
'Error: Aborted',
'Error: TypeError "x" is not a function',
'Error: SyntaxError unexpected token "export"',
'Some other error',
]
const outputs = [
'Unable to connect. Please check your internet connection and try again.',
'Unable to connect. Please check your internet connection and try again.',
'TypeError "x" is not a function',
'SyntaxError unexpected token "export"',
'Some other error',
]
it('removes extra content from error message', () => {
for (let i = 0; i < inputs.length; i++) {
const result = cleanError(inputs[i])
expect(result).toEqual(outputs[i])
}
})
})
describe('toNiceDomain', () => {
const inputs = [
'https://example.com/index.html',
'https://bsky.app',
'https://bsky.social',
'#123123123',
]
const outputs = ['example.com', 'bsky.app', 'Bluesky Social', '#123123123']
it("displays the url's host in a easily readable manner", () => {
for (let i = 0; i < inputs.length; i++) {
const result = toNiceDomain(inputs[i])
expect(result).toEqual(outputs[i])
}
})
})
describe('toShortUrl', () => {
const inputs = [
'https://bsky.app',
'https://bsky.app/3jk7x4irgv52r',
'https://bsky.app/3jk7x4irgv52r2313y182h9',
]
const outputs = [
'bsky.app',
'bsky.app/3jk7x4irgv52r',
'bsky.app/3jk7x4irgv52r2313y...',
]
it('shortens the url', () => {
for (let i = 0; i < inputs.length; i++) {
const result = toShortUrl(inputs[i])
expect(result).toEqual(outputs[i])
}
})
})
describe('toShareUrl', () => {
const inputs = ['https://bsky.app', '/3jk7x4irgv52r', 'item/test/123']
const outputs = [
'https://bsky.app',
'https://bsky.app/3jk7x4irgv52r',
'https://bsky.app/item/test/123',
]
it('appends https, when not present', () => {
for (let i = 0; i < inputs.length; i++) {
const result = toShareUrl(inputs[i])
expect(result).toEqual(outputs[i])
}
})
})