テストから始めるKotlin導入

Transcript

1. Start Kotlin with Test
   ςετ͔Β࢝ΊΔKotlinಋೖ
   

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2. 2
   About me
   4FOJPS&OHJOFFS4DSVN.BTUFSBUFVSFLB *OD
   +BWB ,PUMJO (PMBOH 5ZQF4DSJQU "OHVMBS+4
   'BOUBTZ&BSUI;FSP T$3:FE
   GVUBCPPP
   ɹɹɹೋ઒ ོߒʢTakahiro Futagawaʣ
   

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3. 3
   About eureka
   ैۀһ਺
   ໊ʢฏۉ೥ྸࡀʣ
   ࣄۀ಺༰
   ࣗࣾαʔϏεاըɾ։ൃɾӡӦ
   1BJST
   $PVQMFT
   ձࣾ֓ཁ
   

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4. 'BDFCPPLΛར༻ͨ͠
   ࿀Ѫɾࠗ׆ϚονϯάαʔϏε
   ྦྷܭձһ਺
   500ສ
   ਓ
   ಥഁ͠·ͨ͠
   

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5. ΧοϓϧͷͨΊͷΞϓϦ
   ࠃ಺࠷େڃ
   400ສ
   μ΢ϯϩʔυ
   

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6. 6
   Pairs
   +BWB ,PUMJO
   %BHHFS
   0SNB
   0L)UUQ 3FUSPpU
   #VUUFS,OJGF %BUB#JOEJOH
   3Y+BWB 3Y,PUMJO FUD
   Android JP
   

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7. 7
   Couples
   +BWB
   "DUJWF"OESPJE
   7PMMFZ 0L)UUQ 3FUSPpU 4PDLFU*0
   3Y+BWB
   FUD
   Android
   

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8. Pairs Androidͷྺ࢙
   8
   

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9. 9
   େੲͷPairsAndroid
   

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10. 10
    ݱࡏͷPairsAndroid
    

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11. 11
    ࠷ۙϦχϡʔΞϧͨ͠Global൛
    

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12. 12
    –R. Kulawiec
    “े෼ʹൃୡͨ͠όά͸ͲΕ΋ɺػೳͱݟ෼͚͕͔ͭͳ͍”
    

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14. ʊਓਓਓਓਓਓਓਓਓਓਓਓਓਓʊ
    ʼɹॏཁͳػೳ͕࢖͑ͳ͍όάɹʻ
    ʉ̮̮̮̮̮̮̮̮̮̮̮̮̮̮ʉ
    

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15. ςετ͕ॻ͍ͯ͋Ε͹๷͛ͨ
    

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16. ςετ͕ॻ͚Δঢ়ଶͰ͸ͳ͔ͬͨ
    

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17. ςετ͕ॻ͖΍͍͢ߏ੒ʹมߋ͢Δ
    17
    

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18. 18
    ͍͔ͭͷPairsAndroid
    

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19. 19
    Before
    &OUJUZ%BP
    %BUBCBTF "1*
    $MJFOU
    "DUJWJUZ'SBHNFOU
    

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20. 20
    After
    Dao
    %BUBCBTF API
    Client
    Repository
    UseCase
    Presenter
    Activity / Fragment
    Service
    

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21. 21
    ৄࡉ
    https://speakerdeck.com/lvla/activitywogai-shan-sitahua
    

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22. Kotlinಋೖ
    22
    

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23. 23
    AndroidStudio
    Preferences > Plugins > Browse Repositories
    

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24. 24
    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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25. 25
    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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26. KotlinͰςετΛॻ͍͍ͯ͘
    26
    

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27. 27
    Client
    Dao
    %BUBCBTF API
    Client
    Repository
    UseCase
    Presenter
    Activity / Fragment
    Service
    3FUSPpUͷ*OUFSGBDFΛར༻ͯ͠"1*௨৴
    Λߦ͏
    "1*ͷϨεϙϯεΛΞϓϦ಺Ͱར༻͠΍
    ͍͢ܗʹม׵͢Δ
    

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28. 28
    Client
    class UserClient (private val service: UserService) {

    

    fun fetchSearchUsers(): Observable> {

    return service.fetchSearchUsers()

    .map { response -> UserConverter.convert(response) }

    }

    }
    

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29. 29
    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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30. 30
    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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31. 31
    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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32. 32
    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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33. 33
    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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34. 34
    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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35. 35
    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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36. 36
    Dao
    Dao
    %BUBCBTF API
    Client
    Repository
    UseCase
    Presenter
    Activity / Fragment
    Service
    %BUBCBTFͷ$36%ॲཧΛߦ͏
    

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37. 37
    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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38. 38
    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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39. 39
    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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40. 40
    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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41. 41
    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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42. 42
    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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43. 43
    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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44. 44
    Repository
    Dao
    %BUBCBTF API
    Client
    Repository
    UseCase
    Presenter
    Activity / Fragment
    Service
    σʔλͷऔಘɾอଘΛߦ͏
    

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45. 45
    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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46. 46
    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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47. 47
    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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48. 48
    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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49. 49
    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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50. 50
    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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51. 51
    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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52. 52
    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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53. 53
    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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54. 54
    UseCase
    Dao
    %BUBCBTF API
    Client
    Repository
    UseCase
    Presenter
    Activity / Fragment
    Service
    ϏδωεϩδοΫΛදݱ͢Δ
    

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55. 55
    UseCase
    class UserUseCase (private val repository: UserRepository) {
    public Observable> searchUsers() {

    return repository.searchUsers();

    }
    public Observable> fetchRecommendLikeUsers() {

    return repository.fetchRecommendLikeUsers();

    }
    }
    

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56. 56
    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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57. 57
    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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58. 58
    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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59. 59
    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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60. 60
    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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61. 61
    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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62. ·ͱΊ
    62
    

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63. 63
    ·ͱΊ
    Τ΢ϨΧ͸ώτΛͭͳ͙αʔϏεΛఏڙ͍ͯ͠Δ
    ςετ͕ແ͍ঢ়ଶ͸ࣄނ͕ى͜Γ΍͍͢ঢ়ଶͰ͋Δ
    ,PUMJOಋೖͷલʹมߋɾ௥Ճʹڧ͍ίʔυϕʔεͷํ͕ΠϯύΫτେ͖͍
    ϓϩμΫγϣϯίʔυʹ,PUMJOΛೖΕΔͷ͕ා͍࣌͸ςετίʔυ͔Βೖ
    ΕͯΈΔͱΑ͍
    

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64. Credit: NASA Earth Observatory/NOAA NGDC
    Thank you :)
    

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