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1年間単体テストを書き続けた現場から送る Vue Component のテスト / Vue C...
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Kazuyoshi Tsuchiya
November 03, 2018
Technology
27
25k
1年間単体テストを書き続けた現場から送る Vue Component のテスト / Vue Component Test
Vue Fes Japan 2018 の 1年間単体テストを書き続けた現場から送る Vue Component のテスト
https://vuefes.jp/
Kazuyoshi Tsuchiya
November 03, 2018
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Transcript
ྑ(.01FQBCP *OD 7VF'FT+BQBO ؒ୯ମςετΛ ॻ͖ଓ͚ͨݱ͔ΒૹΔ 7VF$PNQPOFOUͷςετ
IUUQTUTVDIJLB[VOFU (.0ϖύϘ&$ࣄۀ෦ςΫχΧϧϦʔυ ྑ!UTVDIJLB[V ୲αʔϏεΧϥʔϛʔϦϐʔτ
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$PNQPOFOUͷςετ ॻ͍͍ͯΔਓ
Α͘ฉ͘ 6*ͷςετมߋ͕ൃੜ͘͢͠ ίετʹݟ߹Θͳ͍ΜͩΑͶ େࣄͳϩδοΫ$PNQPOFOUͷ ֎ʹग़ͯ͠ςετ͍ͯ͠Δ͔Β ͍Βͳ͍͔ͳͱ
ͦ͏ݴͬͯ ͔ͩΒ͔ͬ͠Γͱ ಈ࡞֬ೝ͠Α͏ ςετ͕ͳ͍ͱ ҙਤ͠ͳ͍มߋ͕ى͖ͳ͍͔ෆ҆ʜ
ָͰ͖Δͱ͜Ζָͯ͠ ෆ҆ղফ͍͖͍ͯͨ͠
ͦͷͨΊʹ ݱͰ͍ͬͯΔ͜ͱ
w$PNQPOFOUͷԿΛςετ͢Δͷ͔ʁ wͲ͏ͬͯςετ͢Δʁ w-JGFDZDMFฤ w1SPQT7VFY4UBUFฤ w6TFS*OUFSBDUJPOฤ "HFOEB
ԿΛςετ͢Δʁ
֎෦͔ΒݟͨৼΔ͍Λ ςετ͢Δ
DPNQPOFOUͷςετ ͦ͏Ͱͳ͍ςετͱ ߟ͑ํҰॹ
!UXBEB 2ϓϥΠϕʔτϝιουͷϢχοτςετ ॻ͔ͳ͍ͷʁ ϓϥΠϕʔτϝιουͷϢχοτςετॻ͔ͳ͍ͷʁ2"!*5 IUUQTRBBUNBSLJUDPKQR "͘·ͱΊΔͱɺϓϥΠϕʔτͳϝιο υͷςετΛॻ͘ඞཁແ͍ͱߟ͍͑ͯ· ͢ɻ தུ ϓϥΠϕʔτϝιου࣮ͷৄࡉͰ
͋ΓɺࣗಈςετͷλʔήοτͱͳΔʮ֎ ෦͔ΒݟͨৼΔ͍ʯͰ͋Γ·ͤΜɻ
৫ʹςετΛॻ͘จԽΛ͔ࠜͤΔઓུͱઓज़IUUQTTQFBLFSEFDLDPNUXBEB TUSBUFHZBOEUBDUJDTPGCVJMEJOHBVUPNBUFEUFTUJOHDVMUVSFJOUPPSHBOJ[BUJPO TMJEF
$PNQPOFOUͰ͍͏ͱʁ
1VCMJD*OUFSGBDF $PNQPOFOU -JGFDZDMF 7VFY 4UBUF 1SPQT 6TFS *OUFSBDUJPO
0VUQVU 7VFY "DUJPO &WFOU )5.- $44 $PNQPOFOU
7VFY "DUJPO &WFOU )5.- $44 $PNQPOFOU -JGFDZDMF 7VFY 4UBUF 1SPQT
6TFS *OUFSBDUJPO 7VF/:$$PNQPOFOU5FTUTXJUI7VFKT.BUU0$POOFMM:PV5VCFIUUQTXXXZPVUVCFDPNXBUDI W0*QG855IS, ςετλʔήοτ
NPVOUPSTIBMMPXNPVOU $PNQPOFOU NPVOU $IJME $PNQPOFOU $PNQPOFOU $IJME $PNQPOFOU TIBMMPXNPVOU <template>
<div> <h1>Parent</h1> <child/> </div> </template> <template> <div> <h1>Parent</h1> <!-- <child/> --> </div> </template>
wجຊతʹNPVOU wʮ֎෦͔ΒΈͨৼΔ͍ʯ wʮઃܭͷՄಈҬΛ֬อʯ wରDPNQPOFOU wSPVUFS͔ΒಡΈࠐΉ͍ΘΏΔ1BHF $PNQPOFOU wෳࡶͳPSڞ௨Ͱ༻͢Δ$PNQPOFOU w1BHF$PNQPOFOUͰΧόʔ͕໘ ࠓͷϓϩδΣΫτͰ
w$PNQPOFOUͷԿΛςετ͢Δͷ͔ʁ wͲ͏ͬͯςετ͢Δʁ w-JGFDZDMFฤ w1SPQT7VFY4UBUFฤ w6TFS*OUFSBDUJPOฤ "HFOEB
Ͳ͏ͬͯςετ͢Δʁ
+FTU .PDIB ,BSNB 7VF5FTU6UJMT *TUBOCVM $IBJ QPXFSBTTFSU 4JOPO Α͘͏ςετπʔϧͷ ׂΛཧ͠Α͏
NPDLϥΠϒϥϦ ςεςΟϯά ϑϨʔϜϫʔΫ ςετϥϯφʔ ࣮ߦڥ "TTFSUJPO ࣮ϒϥβ KTEPN ,BSNB .PDIB
+FTU $PWFSBHF 4JOPO *TUBOCVM $PNQPOFOU 5FTU6UJMJUZ 7VF5FTU6UJMT $IBJQPXFSBTTFSU
NPDLϥΠϒϥϦ ςεςΟϯά ϑϨʔϜϫʔΫ ςετϥϯφʔ ࣮ߦڥ "TTFSUJPO ࣮ϒϥβ KTEPN ,BSNB .PDIB
+FTU $PWFSBHF 4JOPO $IBJQPXFSBTTFSU *TUBOCVM $PNQPOFOU 5FTU6UJMJUZ 7VF5FTU6UJMT ࣮ϒϥβ͕ ඞཁͳͱ͖ ࣮ϒϥβ͕ ෆཁͳͱ͖
-JGFDZDMF ʹର͢Δςετίʔυ
-JGFDZDMFͷςετ 7VFY "DUJPO &WFOU )5.- $44 $PNQPOFOU -JGFDZDMF
wΑ͘ॲཧ͕ॻ͔ΕΔMJGFDZDMFIPPL wDSFBUFE wNPVOUFE w/VYUͳͲ443͍ͯ͠Δ߹ wBTZOD%BUB wGFUDI -JGFDZDMFͷςετ
࣮ྫ -JGFDZDMF created () { this.loadPosts() }, methods: { ...mapActions(['fetchPosts']),
async loadPosts () { this.message = 'ಡΈࠐΈத...' try { await this.fetchPosts() } finally { this.message = ‘' } } }, .FUIPE ݺͼग़͠
࣮ྫ -JGFDZDMF created () { this.loadPosts() }, methods: { ...mapActions(['fetchPosts']),
async loadPosts () { this.message = 'ಡΈࠐΈத...' try { await this.fetchPosts() } finally { this.message = ‘' } } }, දࣔมߋ
࣮ྫ -JGFDZDMF created () { this.loadPosts() }, methods: { ...mapActions(['fetchPosts']),
async loadPosts () { this.message = 'ಡΈࠐΈத...' try { await this.fetchPosts() } finally { this.message = ‘' } } }, "DUJPO EJTQBUDI
ςετྫ -JGFDZDMF // ϩʔΧϧͳVueίϯετϥΫλʹVuexΛΠϯετʔϧ const localVue = createLocalVue() localVue.use(Vuex) beforeEach(()
=> { // fetchPostsΞΫγϣϯͷಈ࡞֬ೝͷͨΊͷVuexपΓͷઃఆ actions = { fetchPosts: sinon.stub() // fetchPostsΞΫγϣϯͷϞοΫ } store = new Vuex.Store({ actions }) wrapper = mount(Posts, {store, localVue }) }) ͓ܾ·Γ
ςετྫ -JGFDZDMF // ϩʔΧϧͳVueίϯετϥΫλʹVuexΛΠϯετʔϧ const localVue = createLocalVue() localVue.use(Vuex) beforeEach(()
=> { // fetchPostsΞΫγϣϯͷಈ࡞֬ೝͷͨΊͷVuexपΓͷઃఆ actions = { fetchPosts: sinon.stub() // fetchPostsΞΫγϣϯͷϞοΫ } store = new Vuex.Store({ actions }) wrapper = mount(Posts, {store, localVue }) }) TUPSFͷϞοΫΛ ࡞
ςετྫ -JGFDZDMF it('loadingදࣔ͞ΕΔ͜ͱ', async () => { expect(wrapper.text()).to.contain('ಡΈࠐΈத...') }) it('fetchPosts͕dispatch͞ΕΔ͜ͱ',
() => { sinon.assert.calledOnce(actions.fetchPosts) }) it('dispatchޭ͢Δͱɺloadingද͕ࣔফ͑Δ͜ͱ', async () => { actions.fetchPosts.resolves() await flushPromises() expect(wrapper.text()).not.to.contain('ಡΈࠐΈத...') })
w࣮ࡍʹɺදࣔʹඞཁͳσʔλऔಘͷͨΊʹ EJTQBUDI͢Δ͙Β͍ w͜ΕΛςετͯ͠ಘΒΕΔ҆৺ײ͍ wଞͷςετΛॻ͍ͨ΄͏͕Α͍ w-JGFDZDMFIPPLNPDLԽͯ͠ɺଞͷςετ ͷअຐʹͳΒͳ͍Α͏ʹ͢Δͷͭͷख -JGFDZDMFͷςετΛͯ͠Έͯ
w$PNQPOFOUͷԿΛςετ͢Δͷ͔ʁ wͲ͏ͬͯςετ͢Δʁ w-JGFDZDMFฤ w1SPQT7VFY4UBUFฤ w6TFS*OUFSBDUJPOฤ "HFOEB
1SPQT7VFY4UBUF ʹର͢Δςετίʔυ
1SPQT7VFY4UBUFͷςετ )5.- $44 $PNQPOFOU 7VFY 4UBUF 1SPQT
࣮ྫ දࣔ <template> <div v-if="posts.length === 0">·ͩߘ͋Γ·ͤΜ</div> <table v-else> <thead>
<tr> <td>λΠτϧ</td> <td>༰</td> </tr> </thead> <tbody> <tr v-for="post in posts" :key="post.id"> <td>{{post.title}}</td> <td>{{post.body}}</td> </tr> </tbody> </table> </template> ݅ͷͱ͖ දࣔΛม͑Δ
ςετྫ ୯७ͳBTTFSU describe('ߘ͕0݅ͷ߹', () => { beforeEach(() => wrapper.setProps({posts: []})
it('0݅ͷද͕ࣔ͞Ε͍ͯΔ͜ͱ', () => { expect(wrapper.text()).to.contain('·ͩߘ͋Γ·ͤΜ') }) }) describe('ߘ͕1݅Ҏ্ͷ߹', () => { const post = {id: 1, title: ‘λΠτϧ’, body: ‘body’} beforeEach(() => wrapper.setProps({posts: [post]}) it('ߘͷ༰͕දࣔ͞Ε͍ͯΔ͜ͱ', () => { expect(wrapper.text()).to.contain(post.title) }) })
w FYQFDU XSBQQFSUFYU UPDPOUBJO b·ͩߘ ͋Γ·ͤΜ` wදࣔมΘͬͨΒɺςετ͢ w FYQFDU
XSBQQFSUFYU UPDPOUBJO QPTUYY w Ͳ͜ʹදࣔ͞Ε͍ͯΔʁͬ͘͟Γ͗͢͠ wࡉ͔ͨ͘͠Βϝϯςେม ୯७ͳBTTFSUͷͭΒ͞ ˠ͜ΕΒΛ͍͍ײ͡ʹΓ͍ͨ
4OBQTIPU5FTUJOH
NPDLϥΠϒϥϦ ςεςΟϯά ϑϨʔϜϫʔΫ ςετϥϯφʔ ࣮ߦڥ "TTFSUJPO ࣮ϒϥβ KTEPN ,BSNB .PDIB
+FTU $PWFSBHF 4JOPO $IBJQPXFSBTTFSU *TUBOCVM $PNQPOFOU 5FTU6UJMJUZ 7VF5FTU6UJMT ͜Εͩͱ Մೳ
w DPNQPOFOUͷ%0.ʢTOBQTIPUʣΛൺֱ͢Δ w ίʔυमਖ਼લͷ%0.Λظͱͯ͠ɺࠓͷ%0. ͱൺֱ 4OBQTIPU5FTUJOH
w ͕ࠩͳ͚ΕTVDDFTT w ͕ࠩ͋ΕҰGBJM w ։ൃऀ͕ࠩΛ֬ೝ w ҙਤతͳมߋͰ͋Ε มߋޙͷ%0.Λ࣍ͷظʹ͏Α͏ʹ VQEBUF͢Δ
4OBQTIPU5FTUJOH
w %0.ͷมߋ͍͍ײ͡ʹςετͰ͖ΔΑ͏ʹ ͳΔ w DPNQPOFOUɺ)5.- $44 w $44ͷςετ͍ͨ͠ 4OBQTIPU5FTUJOHͷͭΒ͞
7JTVBM5FTUJOH
w 4OBQTIPU5FTUJOHͷը૾൛ w ը૾ͷࠩݕग़πʔϧ͕ผʹඞཁ w ৭ʑͳํ๏͕͋Δ 7JTVBM5FTUJOH
ࢲ͕࠾༻ͨ͠ ࠷ߴͷ7JTVBM5FTUJOHͷํ๏ ʙ1SPQT7VFY4UBUFฤʙ
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w QSPQT7VFYTUBUFΛ༩͑ͯදࣔύλʔϯΛ֬ೝͰ͖Δ w DPNQPOFOU୯ҐͳͷͰΤοδέʔεʹରԠԽ w ؆୯ʹTDSFFOTIPU͕ͱΕΔ w ࠓ[JTVJΛ͍ͬͯΔ 4UPSZCPPLͱ IUUQTTUPSZCPPLTWVFOFUMJGZDPN
4UPSZCPPLͰQSPQTΛ͢ storiesOf('propsΛड͚औΔcomponent', module) .add('ۭͷͱ͖', () => ({ components: { PostsByProps
}, template: '<posts-by-props :posts=posts/>', data: () => ({ posts: [] }) })) .add('ߘ͕͋Δͱ͖', () => ({ components: { PostsByProps }, template: '<posts-by-props :posts=posts/>', data: () => ({ posts: [{id: 1, title: ‘title', body: 'ϘσΟ'}] }) }))
4UPSZCPPLͰ7VFY4UBUFΛ͢ storiesOf('vuex storeΛड͚औΔcomponentྫ', module) .add('ۭͷͱ͖', () => ({ components: {
PostsByStore }, template: '<posts-by-store />', store: new Vuex({ state: () => ({ posts: [] }) }) })) .add('ߘ͕͋Δͱ͖', () => ({ components: { PostsByStore }, template: '<posts-by-store />', store: new Vuex({ state: () => ({ posts: [{id: 1, title: 'λΠτϧ1', body: 'ϘσΟ'}] }) }) }))
w7VFYʹґଘ͍ͯ͠ΔDPNQPOFOUTUPSFΛ४උ͢ Δͷ͕໘ w͚ͩͲɺ7JTVBM5FTU͍ͨ͠$PNQPOFOU w1SFTFOUBUJPOBMͱ$POUBJOFS$PNQPOFOUʹ ͚Δ w൚༻తͳϞοΫTUPSFΛ४උͯ͠ɺશͯͷ DPNQPOFOUͰ͍ճ͢ wࠓͷॴɺͬͪ͜ͰͬͯΔ 4UPSZCPPLॻ͍ͯΈͯ
ݱͷίʔυ import { state, getters, mutations, actions } from ‘@/store'
function createStubStore () { const store = new Vuex.Store({state, getters, mutations, actions}) sinon.stub(store, 'dispatch').resolves() store.state.posts = [{id: 1, title: 'λΠτϧ1', body: 'ϘσΟ'}] // ࣮ࡍ͜͜ͷstate४උ͕͍ͬͺ͍͋Δ return store } const emptyPostsStore = createStubStore() emptyPostsStore.state.posts = [] storiesOf('Posts', module) .add('ۭͷͱ͖', () => ({ components: { Posts }, template: '<posts/>', store: emptyPostsStore, })) ຊͷTUPSFΛϕʔεʹ EJTQBUDINFUIPEͱ TUBUFΛϞοΫԽ͢Δ
ݱͷίʔυ import { state, getters, mutations, actions } from ‘@/store'
function createStubStore () { const store = new Vuex.Store({state, getters, mutations, actions}) sinon.stub(store, 'dispatch').resolves() store.state.posts = [{id: 1, title: 'λΠτϧ1', body: 'ϘσΟ'}] // ࣮ࡍ͜͜ͷstate४උ͕͍ͬͺ͍͋Δ return store } const emptyPostsStore = createStubStore() emptyPostsStore.state.posts = [] storiesOf('Posts', module) .add('ۭͷͱ͖', () => ({ components: { Posts }, template: '<posts/>', store: emptyPostsStore, })) ൚༻తͳ TUPSFΛඍௐͯ͠ TUPSZ
w7JTVBM5FTUJOHΛ։ൃϑϩʔʹࡌͤΔͷʹඞཁ ͳػೳΛඋ͍͑ͯΔπʔϧ wը૾ͷࠩநग़ wࠩͷSFQPSUΛIUNMʹग़ྗͯ͠ɺTΞοϓ ϩʔυ w(JUIVCͷ௨ SFHTVJUͱ
w$PNQPOFOUΛमਖ਼ͯ͠GFBUVSFCSBODIQVTI TUPSZCPPLSFHTVJUͷ։ൃϑϩʔ IPPL QVTI
JO$* TUPSZCPPLSFHTVJUͷ։ൃϑϩʔ TDSFFOTIPU CZ[JTVJ ذݩͷը૾ DPNQBSF GFBUVSFCSBODIը૾ DPNNFOU SFHTVJU
TUPSZCPPLSFHTVJUͷ։ൃϑϩʔ
TUPSZCPPLSFHTVJUͷ։ൃϑϩʔ #FGPSF "GUFS ࠩ 13"QQSPWF
wDPNQPOFOU୯ҐͰͷςετ͕Մೳ w։ൃϑϩʔ͕ීஈͷ։ൃͱҰॹ wTUPSZCPPL͕؆୯ wσβΠφ͞Μฤूͯ͘͠ΕΔ wແྉ w༗ঈπʔϧ͍ͬͺ͍͋Δ ࠷ߴϙΠϯτ
wϦϑΝΫλ࣌ػೳՃ࣌ɺͱͯ҆৺ wϨϏϡʔґཔϨϏϡʔͷෛՙ͕Լ͕Δ w7JTVBM5FTUͷ݁Ռ͚ͩͰͳ͘ɺͦΕͱผʹ $*Ͱ13͝ͱʹTUPSZCPPLσϓϩΠ wϨϏϡʔ࣌ʹຖճDIFDLPVUɺಈ࡞֬ೝ༻ ͷڥ͕ෆཁ 7JTVBM5FTUͬͯΈͯ
wΫϩεϒϥβରԠ wTUPSZCPPLͷTDSFFOTIPUQVQQFUFFS w༗ྉαʔϏεݕ౼ ͜Ε͔ΒͷվળϙΠϯτ
w$PNQPOFOUͷԿΛςετ͢Δͷ͔ʁ wͲ͏ͬͯςετ͢Δʁ w-JGFDZDMFฤ w1SPQT7VFY4UBUFฤ w6TFS*OUFSBDUJPOฤ "HFOEB
6TFS*OUFSBDUJPO ʹର͢Δςετίʔυ
6TFS*OUFSBDUJPO 7VFY "DUJPO &WFOU )5.- $44 $PNQPOFOU 6TFS *OUFSBDUJPO
wϑΥʔϜೖྗ wϘλϯΫϦοΫ wεΫϩʔϧ w%% wεϫΠϓ wϐϯνΠϯɺΞτ wFUD 6TFS*OUFSBDUJPOͱ
wϑΥʔϜೖྗ wϘλϯΫϦοΫ wεΫϩʔϧ w%% wεϫΠϓ wϐϯνΠϯɺΞτ wFUD 6TFS*OUFSBDUJPOͱ ςετқ ςετқߴ
ͬͪ͜ͷΈΛςετ͍ͯ͠Δ
࣮ྫ 6TFS*OUFSBDUJPO <template> <div> <h1>৽ن࡞</h1> <form class="form" novalidate > <div
class="form-item"> <label for="title">λΠτϧ</label> <input type=“text" id="title" name="title" v-model="post.title" v-validate="'required'"> <span v-show=“errors.has('title')"> {{ errors.first('title') }} </span> </div> <div class="form-item"> <label for="body">༰</label> <input type=“text" id="body" name="body" v-model="post.body" v-validate="'required'"> <span v-show="errors.has('body')">{{ errors.first('body') }}</span> </div> <button type="button" id=“create-button" @click="save">อଘ</button> </form> </div> </template> JOQVUUFYUY #VUUPOY γϯϓϧͳGPSN
࣮ྫ 6TFS*OUFSBDUJPO <template> <div> <h1>৽ن࡞</h1> <form class="form" novalidate > <div
class="form-item"> <label for="title">λΠτϧ</label> <input id="title" name="title" v-model="post.title" type=“text" v-validate="'required'"> <span v-show=“errors.has('title')"> {{ errors.first('title') }} </span> </div> <div class="form-item"> <label for="body">༰</label> <input id="body" name="body" v-model="post.body" type=“text" v-validate="'required'"> <span v-show="errors.has('body')">{{ errors.first('body') }}</span> </div> <button id="create-button" type="button" @click="save">อଘ</button> </form> </div> </template> WFFWBMJEBUF ͰඞਢνΣοΫ
࣮ྫ 6TFS*OUFSBDUJPO export default { data: () => ({ post:
{ title: '', body: '' } }), methods: { async save () { const isValid = await this.$validator.validate() if (isValid) { await this.$store.dispatch( 'createPost', { post: this.post } ) this.$router.push({ path: '/' }) } } } } WBMJEBUFͯ͠ BDUJPOEJTQBUDI
ςετྫ XSBQQFS४උ // ϩʔΧϧͳVueίϯετϥΫλʹVuex/VeeValidateΛΠϯετʔϧ const localVue = createLocalVue() localVue.use(Vuex) localVue.use(VeeValidate)
beforeEach(() => { // Vue RouterͷϞοΫઃఆ $router = { push: sinon.stub() } // createPostΞΫγϣϯͷಈ࡞֬ೝͷͨΊͷVuexपΓͷઃఆ actions = { createPost: sinon.stub() } store = new Vuex.Store({ actions }) wrapper = mount(NewPost, { mocks: { $router }, store, localVue, sync: false }) }) TUPSFͷϞοΫΛ ࡞NPVOU
ςετྫ ೖྗͯ͠DMJDLͨ͠ͱ͖ describe('ೖྗͯ͠อଘϘλϯΛclickͨ͠ͱ͖', () => { beforeEach(async () => {
wrapper.find('#title').setValue('title') wrapper.find('#body').setValue('body') wrapper.find('#create-button').trigger('click') await flushPromises() }) it('ೖྗ͞Εͨ༰Ͱaction͕dispatch͞ΕΔ͜ͱ', () => { sinon.assert.calledWithMatch(actions.createPost, {}, { post: { title: 'title', body: 'body' } }) }) }) ೖྗޙʹϘλϯDMJDLͷͱ͖ EJTQBUDI͞ΕΔ
ςετྫ ೖྗͤͣʹDMJDLͨ͠ͱ͖ describe('ະೖྗͰอଘϘλϯΛclickͨ͠ͱ͖', () => { beforeEach(async () => {
wrapper.find('#create-button').trigger('click') await flushPromises() }) it('validationΤϥʔ͕දࣔ͞ΕΔ͜ͱ', () => { expect(wrapper.text()).to.contain( 'The title field is required.') }) it('action͕dispatch͞Εͳ͍͜ͱ', () => { sinon.assert.notCalled(actions.createPost) }) }) ະೖྗͰϘλϯDMJDLͷͱ͖ WBMJEBUJPOΤϥʔදࣔEJTQBUDI͞Εͳ͍
ςετྫ ೖྗͤͣʹDMJDLͨ͠ͱ͖ describe('ະೖྗͰอଘϘλϯΛclickͨ͠ͱ͖', () => { beforeEach(async () => {
wrapper.find('#create-button').trigger('click') await flushPromises() }) it('validationΤϥʔ͕දࣔ͞ΕΔ͜ͱ', () => { expect(wrapper.text()).to.contain( 'The title field is required.') }) it('action͕dispatch͞Εͳ͍͜ͱ', () => { sinon.assert.notCalled(actions.createPost) }) }) ද͕ࣔมΘͬͨ෦Λ ୯७ͳBTTFSUͯ͠Δ
wྫ͑ WBMJEBUJPOΤϥʔৄࡉΛ։͘ด͡Δ Ϙλϯԡͯ͠Ϟʔμϧ։͘FUD wཁςετͷதͰɺTOBQTIPUΛࡱΓ͍ͨ 6TFS*OUFSBDUJPOޙͷը૾ΛࡱΓ͍ͨ wrapper.find('#create-button').trigger('click') screenshot(‘ະೖྗͰͷclickޙ.png’)
NPDLϥΠϒϥϦ ςεςΟϯά ϑϨʔϜϫʔΫ ςετϥϯφʔ ࣮ߦڥ "TTFSUJPO ࣮ϒϥβ KTEPN ,BSNB .PDIB
+FTU $PWFSBHF 4JOPO $IBJQPXFSBTTFSU *TUBOCVM $PNQPOFOU 5FTU6UJMJUZ 7VF5FTU6UJMT ͜Εͩͱ Մೳ
wLBSNBOJHIUNBSF wLBSNBͰOJHIUNBSF FMFDUSPO ্ͰςετΛ ࣮ߦͰ͖Δͷ wTDSFFOTIPU"1*Λఏڙͯ͘͠ΕΔ wը૾͕ࡱΕͨΒTUPSZCPPLͷը૾ͱҰॹʹ SFHTVJUͷϑϩʔʹࡌͤΔ 5FTUதʹTDSFFOTIPUࡱΔʹ
w؆୯ͳ6TFS*OUFSBDUJPOͷςετେม͡Όͳ͍ wॏཁͳ'PSN͚ͩͰ͓ͬͯ͘ͱ͍͍ wͦΕҎ֎ఘΊ؊৺ w6TFS*OUFSBDUJPOޙͷTDSFFOTIPUͱͬͯɺ7JTVBM 5FTUͬͺΓศར 6TFS*OUFSBDUJPOͷςετͯ͠Έͯ
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7VFY "DUJPO &WFOU )5.- $44 $PNQPOFOU -JGFDZDMF 7VFY 4UBUF 1SPQT
6TFS *OUFSBDUJPO ςετλʔήοτ
͜͜·Ͱհ͖ͯͨ͠ ৭ʑͳςετΛ ݱͰ͖ͯ͠·ͨ͠ ͦͷ݁ՌɺҰ൪࠷ߴͳςετ
)5.- $44 $PNQPOFOU 7VFY 4UBUF 1SPQT 6TFS *OUFSBDUJPO ͜ͷ෦ͷ7JTVBM5FTU
wTUPSZCPPLͰͷʮ1SPQT7VFY4UBUFˠදࣔʯ ͷςετ͚ͩͰ͋Δͱ҆৺ wʮ6TFS*OUFSBDUJPOˠදࣔʯͷςετ͋ Δͱߋʹ҆৺ͷ෯͕͕Δ w෭࡞༻ͱͯ͠ϨϏϡʔͷෛՙܰݮ w͜Ε͕ඇৗʹେ͖͍ 7JTVBM5FTU࠷ߴ
ָͰ͖Δͱ͜Ζָͯ͠ ෆ҆Λղফͭͭ͠ ָ͘͠։ൃ͍͖ͯ͠·͠ΐ͏