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Start Kotlin with Test
ςετ͔Β࢝ΊΔKotlinಋೖ
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About me
4FOJPS&OHJOFFS4DSVN.BTUFSBUFVSFLB
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+BWB
,PUMJO
(PMBOH
5ZQF4DSJQU
"OHVMBS+4
'BOUBTZ&BSUI;FSP
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ɹɹɹೋ ོߒʢTakahiro Futagawaʣ
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About eureka
ैۀһ
໊ʢฏۉྸࡀʣ
ࣄۀ༰
ࣗࣾαʔϏεاըɾ։ൃɾӡӦ
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$PVQMFT
ձࣾ֓ཁ
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'BDFCPPLΛར༻ͨ͠
࿀Ѫɾࠗ׆ϚονϯάαʔϏε
ྦྷܭձһ
500ສ
ਓ
ಥഁ͠·ͨ͠
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ΧοϓϧͷͨΊͷΞϓϦ
ࠃ࠷େڃ
400ສ
μϯϩʔυ
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6
Pairs
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#VUUFS,OJGF
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Android JP
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Couples
+BWB
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Android
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Pairs Androidͷྺ࢙
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େੲͷPairsAndroid
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ݱࡏͷPairsAndroid
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࠷ۙϦχϡʔΞϧͨ͠Global൛
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–R. Kulawiec
“ेʹൃୡͨ͠όάͲΕɺػೳͱݟ͚͕͔ͭͳ͍”
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No content
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ʊਓਓਓਓਓਓਓਓਓਓਓਓਓਓʊ
ʼɹॏཁͳػೳ͕͑ͳ͍όάɹʻ
ʉ̮̮̮̮̮̮̮̮̮̮̮̮̮̮ʉ
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ςετ͕ॻ͍ͯ͋Ε͛ͨ
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ςετ͕ॻ͚Δঢ়ଶͰͳ͔ͬͨ
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ςετ͕ॻ͖͍͢ߏʹมߋ͢Δ
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͍͔ͭͷPairsAndroid
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Before
&OUJUZ%BP
%BUBCBTF "1*
$MJFOU
"DUJWJUZ'SBHNFOU
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After
Dao
%BUBCBTF API
Client
Repository
UseCase
Presenter
Activity / Fragment
Service
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ৄࡉ
https://speakerdeck.com/lvla/activitywogai-shan-sitahua
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Kotlinಋೖ
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AndroidStudio
Preferences > Plugins > Browse Repositories
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build.gradle
buildscript {
dependencies {
classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:1.1.3-2"
}
}
allprojects {
repositories {
maven { url 'http://dl.bintray.com/ngsw-taro/maven' }
maven { url 'https://jitpack.io' }
}
}
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app/build.gradle
apply plugin: 'kotlin-android'
dependencies {
testCompile 'junit:junit:4.12'
testCompile 'org.jetbrains.kotlin:kotlin-stdlib:1.1.3-2'
testCompile 'com.taroid.knit:knit:0.1.2'
testCompile 'com.github.sys1yagi:kmockito:0.1.2'
}
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KotlinͰςετΛॻ͍͍ͯ͘
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Client
Dao
%BUBCBTF API
Client
Repository
UseCase
Presenter
Activity / Fragment
Service
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Client
class UserClient (private val service: UserService) {
fun fetchSearchUsers(): Observable> {
return service.fetchSearchUsers()
.map { response -> UserConverter.convert(response) }
}
}
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Client
val userService = mock()
val client = UserClient(userService)
@Test fun testFetchSearchUsers() {
val expected = Array(10) { MockUser.newInstance(it) }.toList()
userService.getUsers().invoked.thenReturn(expected.toObservable())
client.fetchUsers().test().run {
assertNoErrors()
assertValue(expected)
assertCompleted()
}
}
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Client
val userService = mock()
val client = UserClient(userService)
@Test fun testFetchSearchUsers() {
val expected = Array(10) { MockUser.newInstance(it) }.toList()
userService.getUsers().invoked.thenReturn(expected.toObservable())
client.fetchUsers().test().run {
assertNoErrors()
assertValue(expected)
assertCompleted()
}
}
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Client
val userService = mock()
val client = UserClient(userService)
@Test fun testFetchSearchUsers() {
val expected = Array(10) { MockUser.newInstance(it) }.toList()
userService.getUsers().invoked.thenReturn(expected.toObservable())
client.fetchUsers().test().run {
assertNoErrors()
assertValue(expected)
assertCompleted()
}
}
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Client
val userService = mock()
val client = UserClient(userService)
@Test fun testFetchSearchUsers() {
val expected = Array(10) { MockUser.newInstance(it) }.toList()
userService.getUsers().invoked.thenReturn(expected.toObservable())
client.fetchUsers().test().run {
assertNoErrors()
assertValue(expected)
assertCompleted()
}
}
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Client
val userService = mock()
val client = UserClient(userService)
@Test fun testFetchSearchUsers() {
val expected = Array(10) { MockUser.newInstance(it) }.toList()
userService.getUsers().invoked.thenReturn(expected.toObservable())
client.fetchUsers().test().run {
assertNoErrors()
assertValue(expected)
assertCompleted()
}
}
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Client
val userService = mock()
val client = UserClient(userService)
@Test fun testFetchSearchUsers() {
val expected = Array(10) { MockUser.newInstance(it) }.toList()
userService.getUsers().invoked.thenReturn(expected.toObservable())
client.fetchUsers().test().run {
assertNoErrors()
assertValue(expected)
assertCompleted()
}
}
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Client
val userService = mock()
val client = UserClient(userService)
@Test fun testFetchSearchUsers() {
val expected = Array(10) { MockUser.newInstance(it) }.toList()
userService.getUsers().invoked.thenReturn(expected.toObservable())
client.fetchUsers().test().run {
assertNoErrors()
assertValue(expected)
assertCompleted()
}
}
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Dao
Dao
%BUBCBTF API
Client
Repository
UseCase
Presenter
Activity / Fragment
Service
%BUBCBTFͷ$36%ॲཧΛߦ͏
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Dao
class UserDao (private val orma: OrmaDatabase) {
fun save(users: List) {
orma.transactionSync {
orma.prepareInsertIntoUser(OnConflict.REPLACE)
.executeAll(users)
}
}
fun findAll(): Observable> {
return orma.selectFromUser()
.executeAsObservable().toList()
}
}
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Dao
val orma = OrmaDatabase.builder(context).name(null).build()
val dao = UserDao(orma)
@Test fun testSave() {
val dummyUsers = Array(10) { MockUser.newInstance(it) }
dao.transactionSync { dummyUsers.forEach { dao.save(it) } }
dummyUsers.forEach {
val found = orma.selectFromUser().userRandIdEq(it.userId).get(0)
found.rshould be it
}
}
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Dao
val orma = OrmaDatabase.builder(context).name(null).build()
val dao = UserDao(orma)
@Test fun testSave() {
val dummyUsers = Array(10) { MockUser.newInstance(it) }
dao.transactionSync { dummyUsers.forEach { dao.save(it) } }
dummyUsers.forEach {
val found = orma.selectFromUser().userRandIdEq(it.userId).get(0)
found.rshould be it
}
}
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Dao
val orma = OrmaDatabase.builder(context).name(null).build()
val dao = UserDao(orma)
@Test fun testSave() {
val dummyUsers = Array(10) { MockUser.newInstance(it) }
dao.transactionSync { dummyUsers.forEach { dao.save(it) } }
dummyUsers.forEach {
val found = orma.selectFromUser().userRandIdEq(it.userId).get(0)
found.rshould be it
}
}
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Dao
val orma = OrmaDatabase.builder(context).name(null).build()
val dao = UserDao(orma)
@Test fun testSave() {
val dummyUsers = Array(10) { MockUser.newInstance(it) }
dao.transactionSync { dummyUsers.forEach { dao.save(it) } }
dummyUsers.forEach {
val found = orma.selectFromUser().userRandIdEq(it.userId).get(0)
found.rshould be it
}
}
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Dao
val orma = OrmaDatabase.builder(context).name(null).build()
val dao = UserDao(orma)
@Test fun testSave() {
val dummyUsers = Array(10) { MockUser.newInstance(it) }
dao.transactionSync { dummyUsers.forEach { dao.save(it) } }
dummyUsers.forEach {
val found = orma.selectFromUser().userRandIdEq(it.userId).get(0)
found.rshould be it
}
}
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Dao
val orma = OrmaDatabase.builder(context).name(null).build()
val dao = UserDao(orma)
@Test fun testSave() {
val dummyUsers = Array(10) { MockUser.newInstance(it) }
dao.transactionSync { dummyUsers.forEach { dao.save(it) } }
dummyUsers.forEach {
val found = orma.selectFromUser().userRandIdEq(it.userId).get(0)
found.rshould be it
}
}
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Repository
Dao
%BUBCBTF API
Client
Repository
UseCase
Presenter
Activity / Fragment
Service
σʔλͷऔಘɾอଘΛߦ͏
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Repository
class UserRepository (
private val dao: UserDao,
private val client: UserClient) {
fun searchUsers(): Observable> {
return client.searchUsers()
.doOnNext { users -> dao.save(users) }
.onErrorResumeNext { dao.findAll() }
}
}
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Repository
val dao = mock(); val client = mock()
val repository = UserRepository(dao, client)
fun testSearchUsers() {
val expected = Array(10) { MockUser.newInstance(it) }.toList()
client.fetchUsers().invoked.thenReturn(expected.toObservable())
val subscriber = TestSubscriver()
repository.searchUsers().subscribe(subscriber)
with(subscriber){
assertNoErrors()
onNextEvents.size.should be 1
assertCompleted()
}
}
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Repository
val dao = mock(); val client = mock()
val repository = UserRepository(dao, client)
fun testSearchUsers() {
val expected = Array(10) { MockUser.newInstance(it) }.toList()
client.fetchUsers().invoked.thenReturn(expected.toObservable())
val subscriber = TestSubscriver()
repository.searchUsers().subscribe(subscriber)
with(subscriber){
assertNoErrors()
onNextEvents.size.should be 1
assertCompleted()
}
}
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Repository
val dao = mock(); val client = mock()
val repository = UserRepository(dao, client)
fun testSearchUsers() {
val expected = Array(10) { MockUser.newInstance(it) }.toList()
client.fetchUsers().invoked.thenReturn(expected.toObservable())
val subscriber = TestSubscriver()
repository.searchUsers().subscribe(subscriber)
with(subscriber){
assertNoErrors()
onNextEvents.size.should be 1
assertCompleted()
}
}
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Repository
val dao = mock(); val client = mock()
val repository = UserRepository(dao, client)
fun testSearchUsers() {
val expected = Array(10) { MockUser.newInstance(it) }.toList()
client.fetchUsers().invoked.thenReturn(expected.toObservable())
val subscriber = TestSubscriver()
repository.searchUsers().subscribe(subscriber)
with(subscriber){
assertNoErrors()
onNextEvents.size.should be 1
assertCompleted()
}
}
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Repository
val dao = mock(); val client = mock()
val repository = UserRepository(dao, client)
fun testSearchUsers() {
val expected = Array(10) { MockUser.newInstance(it) }.toList()
client.fetchUsers().invoked.thenReturn(expected.toObservable())
val subscriber = TestSubscriver()
repository.searchUsers().subscribe(subscriber)
with(subscriber){
assertNoErrors()
onNextEvents.size.should be 1
assertCompleted()
}
}
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Repository
val dao = mock(); val client = mock()
val repository = UserRepository(dao, client)
fun testSearchUsers() {
val expected = Array(10) { MockUser.newInstance(it) }.toList()
client.fetchUsers().invoked.thenReturn(expected.toObservable())
val subscriber = TestSubscriver()
repository.searchUsers().subscribe(subscriber)
with(subscriber){
assertNoErrors()
onNextEvents.size.should be 1
assertCompleted()
}
}
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Repository
val dao = mock(); val client = mock()
val repository = UserRepository(dao, client)
fun testSearchUsers() {
val expected = Array(10) { MockUser.newInstance(it) }.toList()
client.fetchUsers().invoked.thenReturn(expected.toObservable())
val subscriber = TestSubscriver()
repository.searchUsers().subscribe(subscriber)
with(subscriber){
assertNoErrors()
onNextEvents.size.should be 1
assertCompleted()
}
}
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Repository
val dao = mock(); val client = mock()
val repository = UserRepository(dao, client)
fun testSearchUsers() {
val expected = Array(10) { MockUser.newInstance(it) }.toList()
client.fetchUsers().invoked.thenReturn(expected.toObservable())
val subscriber = TestSubscriver()
repository.searchUsers().subscribe(subscriber)
with(subscriber){
assertNoErrors()
onNextEvents.size.should be 1
assertCompleted()
}
}
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UseCase
Dao
%BUBCBTF API
Client
Repository
UseCase
Presenter
Activity / Fragment
Service
ϏδωεϩδοΫΛදݱ͢Δ
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UseCase
class UserUseCase (private val repository: UserRepository) {
public Observable> searchUsers() {
return repository.searchUsers();
}
public Observable> fetchRecommendLikeUsers() {
return repository.fetchRecommendLikeUsers();
}
}
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UseCase
val repository = mock
val useCase = UserUseCase(repository)
@Test fun fetchStatus() {
val expected = Array(10) { MockUser.newInstance(it) }.toList()
repository.fetchUsers().invoked.thenReturn(expected.toObservable())
useCase.searchUsers().test().run {
assertNoErrors()
assertValues(expected)
assertCompleted()
}
}
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UseCase
val repository = mock
val useCase = UserUseCase(repository)
@Test fun fetchStatus() {
val expected = Array(10) { MockUser.newInstance(it) }.toList()
repository.fetchUsers().invoked.thenReturn(expected.toObservable())
useCase.searchUsers().test().run {
assertNoErrors()
assertValues(expected)
assertCompleted()
}
}
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UseCase
val repository = mock
val useCase = UserUseCase(repository)
@Test fun fetchStatus() {
val expected = Array(10) { MockUser.newInstance(it) }.toList()
repository.fetchUsers().invoked.thenReturn(expected.toObservable())
useCase.searchUsers().test().run {
assertNoErrors()
assertValues(expected)
assertCompleted()
}
}
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UseCase
val repository = mock
val useCase = UserUseCase(repository)
@Test fun fetchStatus() {
val expected = Array(10) { MockUser.newInstance(it) }.toList()
repository.fetchUsers().invoked.thenReturn(expected.toObservable())
useCase.searchUsers().test().run {
assertNoErrors()
assertValues(expected)
assertCompleted()
}
}
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UseCase
val repository = mock
val useCase = UserUseCase(repository)
@Test fun fetchStatus() {
val expected = Array(10) { MockUser.newInstance(it) }.toList()
repository.fetchUsers().invoked.thenReturn(expected.toObservable())
useCase.searchUsers().test().run {
assertNoErrors()
assertValues(expected)
assertCompleted()
}
}
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UseCase
val repository = mock
val useCase = UserUseCase(repository)
@Test fun fetchStatus() {
val expected = Array(10) { MockUser.newInstance(it) }.toList()
repository.fetchUsers().invoked.thenReturn(expected.toObservable())
useCase.searchUsers().test().run {
assertNoErrors()
assertValues(expected)
assertCompleted()
}
}
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·ͱΊ
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·ͱΊ
ΤϨΧώτΛͭͳ͙αʔϏεΛఏڙ͍ͯ͠Δ
ςετ͕ແ͍ঢ়ଶࣄނ͕ى͜Γ͍͢ঢ়ଶͰ͋Δ
,PUMJOಋೖͷલʹมߋɾՃʹڧ͍ίʔυϕʔεͷํ͕ΠϯύΫτେ͖͍
ϓϩμΫγϣϯίʔυʹ,PUMJOΛೖΕΔͷ͕ා͍࣌ςετίʔυ͔Βೖ
ΕͯΈΔͱΑ͍
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Credit: NASA Earth Observatory/NOAA NGDC
Thank you :)