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jest-puppeteerで e2eテストをやったら こうなった
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Tyankatsu
August 17, 2018
Technology
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jest-puppeteerで e2eテストをやったら こうなった
ベガコーポレーション
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https://vega-tech.connpass.com/event/96784/
Tyankatsu
August 17, 2018
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Transcript
jest-puppeteerͰ e2eςετΛͬͨΒ ͜͏ͳͬͨ
ࣗݾհ • νϟϯΧπ(@tyankatsu5) • 7݄͔ΒϕΨʹ • લɿXFCσβΠφʔ ࠓɿϑϩϯτΤϯυΤϯδχΞ • ۀͰWVF৮ͬͯΔ
݁ʂ
Puppeteer ͠ΜͲ͍ʂʂʂ
ͷͰʂʂʂ
Cypress ͓͏ʂʂʂ
࣍ • ݁ɹˡ͏ऴΘͬͨ • e2eςετΛΔҙຯ • PuppeteerͬͯͳΜ͚ͩͬʁ • JestͬͯͳΜ͚ͩͬʁ •
JestͷPuppeteerϓϦηοτΛ༻͢Δ • Θ͔ͬͨ͜ͱ • CypressΛ༻͢Δ • Θ͔ͬͨ͜ͱ • ࢥͬͨ͜ͱ • ͏Ұճ
e2eςετΛΔҙຯ
– E2Eςετʹ͍ͭͯߟ͑ͯΈͨ | MMMϒϩά “ҰൠతʹɺϑϨʔϜϫʔΫΛར༻ͯ͠ ࣮ࡍͷϒϥβͰͷಈ͖ΛγϛϡϨʔγϣ ϯ͢ΔΑ͏ͳςετʢதུʣϢʔβ͕࣮ ࡍʹͲ͏ૢ࡞͢Δ͔ɺͱ͍͏ࢹ”
ίϯϙʔωϯτͷػೳΛ อূ͢ΔͨΊʹ Ϣχοτςετॻ͘ import { shallowMount } from '@vue/test-utils'; import
HelloWorld from '@/components/HelloWorld.vue'; describe('HelloWorld.vue', () => { it('renders props.msg when passed', () => { const msg = 'new message'; const wrapper = shallowMount(HelloWorld, { propsData: { msg } }); expect(wrapper.text()).toMatch(msg); }); });
ͦͷίϯϙʔωϯτΛ ϒϥβͰ࣮ࡍʹૢ࡞ͯ͠ɺ Ϣʔβʔ͕։ൃऀͷظ௨Γͷ ૢ࡞͕Մೳͳͷ͔ςετ͢Δ
PuppeteerͬͯͳΜ͚ͩͬʁ
What’s Puppeteer •Node.jsͰHeadless ChromeΛ؆୯ʹѻ͑Δ ʢchromium͕Ұॹʹ͍ͭͯ͘Δʣ •chromiumΛDev Tools ProtocolͰ੍ޚ͢ΔAPI͕๛ •Chrome
Dev Tools։ൃνʔϜϝϯόʔ͕ϝϯςφϯ εͯ͠Δ https://github.com/GoogleChrome/puppeteer#q-who-maintains- puppeteer •εΫϨΠϐϯά͕ՄೳʢͦͷԆͰςετՄೳʣ
Ұݟʹ͔ͣ https://try-puppeteer.appspot.com/
JestͬͯͳΜ͚ͩͬʁ
What’s Jest Delightful JavaScript Testing •ΦʔϧΠϯϫϯͰςετڥ༻ҙͯ͘͠ΕΔ͍͢͝ ͭhttps://postd.cc/a-complete-guide-to-testing-javascript-in-2017/ •Facebook •vue-cli@3ͷϢχοτςετͷબࢶʹೖͬͯΔ
PASS ./sum.test.js ✓ adds 1 + 2 to equal 3
(5ms) // sum.js function sum(a, b) { return a + b; } module.exports = sum; // sum.test.js const sum = require('./sum'); test('adds 1 + 2 to equal 3', () => { expect(sum(1, 2)).toBe(3); });
JestͷPuppeteerϓϦηοτ Λ༻͢Δ
JestʹͰ͖ͳ͍͜ͱ •ϒϥβɺ·ͨٙࣅϒϥβͷڥ͕༻ҙͰ͖ͳ͍ •ނʹ+FTU͚ͩͰFFςετͰ͖ͳ͍
ެࣜͰϓϦηοτग़ͯ͠Δ Using with puppeteer
vue-cli@3※Ͱ jest-puppeteerͬͯ e2eςετͬͯΈ͍ͨ ※vue-cli@3ͰNightwatch.js,CypressΛαϙʔτ͍ͯ͠Δ
ͬͨ ࣮ફλΠϜ
None
Θ͔ͬͨ͜ͱ
͕͜͜ •ςετಉ࣮࣌ߦڧ͍ʢૣ͍ʣ •ϔουϨεϞʔυͷΓସ͕͑Ͱ͖ͯศར
͕͜͜ •ςετҰॠ͗ͯ͢Θ͔ΒΜʢ࣮ߦม͑ΒΕΔ͚Ͳ ͦ͏͡Όͳ͍ʣ •ςετॻ͍ͯΔ్தͷσόοάͮ͠Β͍ •ઃఆΊΜͲ͗͘͢͞ʢΘ͔Γʹ͍͘ʣ •εΫϨΠϐϯάπʔϧΛແཧΓςετπʔϧʹঢ՚ ͤ͞Α͏ͱͨ͠ҹ •ͬͱৄࡉͳใཉ͍͠
None
͞Α͏ͳΒͨ͠
CypressΛ༻͢Δ
What’s Cypress Fast, easy and reliable testing for anything that
runs in a browser. •Cypress.io͕։ൃ •جຊແྉʢศརͳػೳ༗ྉʣ •ڈͷ݄͔Β044 •ςετʹಛԽͨ͠πʔϧ
ͬͨ ࣮ફλΠϜ
None
Θ͔ͬͨ͜ͱ
͕͜͜ •GUI͕͍͍͢ •ઃఆ͕؆୯ʢWVFDMJ͕ઃఆͯ͘͠ΕͯΔͱ͍͑ͦΕΛൈ͔ͯ͠؆୯ʣ •݁Ռ͕Θ͔Γ͍͢ •σόοά͍͢͠ •CUIͰΒͤΔͱvideoࡱͬͯ͘ΕΔʢΦϑՄೳʣ
͕͜͜ •͍ʢJGSBNFͬͯΔ͔Βෳ࣮ߦͰ͖ͳ͍ʣ
ࢥͬͨ͜ͱ
ςετͬͯ ࣮֬ʹόάͷݩΛΩϟονͯ͠ ௵ͨ͢Ίʹ͏ͷͰʁ
ͬͯ͜ͱৄࡉͳςετ݁Ռ ͕େࣄͳͷͰʁ
͏Ұճ
Puppeteer ͠ΜͲ͍ʂʂʂ
ͷͰʂʂʂ
Cypress ͓͏ʂʂʂ
͓ΘΓ