テストから始めるKotlin導入

Transcript

1. Start Kotlin with Test ςετ͔Β࢝ΊΔKotlinಋೖ

2. 2 About me  4FOJPS
   &OHJOFFS
   
   4DSVN
   .BTUFS
   BU
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   5ZQF4DSJQU
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    'BOUBTZ&BSUI
   ;FSP
   T$3:FE
    GVUBCPPP
   ɹɹɹೋ઒ ོߒʢTakahiro Futagawaʣ

3. 3 About eureka  ैۀһ਺
    ໊ʢฏۉ೥ྸࡀʣ
    ࣄۀ಺༰
   

   ࣗࣾαʔϏεاըɾ։ൃɾӡӦ
    1BJST
    $PVQMFT ձࣾ֓ཁ

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

5. ΧοϓϧͷͨΊͷΞϓϦ ࠃ಺࠷େڃ 400ສ μ΢ϯϩʔυ

6. 6 Pairs  +BWB
   ,PUMJO
    %BHHFS
    0SNB
   

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

7. 7 Couples  +BWB
    "DUJWF"OESPJE
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   3FUSPpU

   
   4PDLFU*0
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    FUD Android

8. Pairs Androidͷྺ࢙ 8

9. 9 େੲͷPairsAndroid

10. 10 ݱࡏͷPairsAndroid

11. 11 ࠷ۙϦχϡʔΞϧͨ͠Global൛

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

13. None

14. ʊਓਓਓਓਓਓਓਓਓਓਓਓਓਓʊ ʼɹॏཁͳػೳ͕࢖͑ͳ͍όάɹʻ ʉ̮̮̮̮̮̮̮̮̮̮̮̮̮̮ʉ

15. ςετ͕ॻ͍ͯ͋Ε͹๷͛ͨ

16. ςετ͕ॻ͚Δঢ়ଶͰ͸ͳ͔ͬͨ

17. ςετ͕ॻ͖΍͍͢ߏ੒ʹมߋ͢Δ 17

18. 18 ͍͔ͭͷPairsAndroid

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

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

    / Fragment Service

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

22. Kotlinಋೖ 22

23. 23 AndroidStudio Preferences > Plugins > Browse Repositories

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' } } }

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' }

26. KotlinͰςετΛॻ͍͍ͯ͘ 26

27. 27 Client Dao %BUBCBTF API Client Repository UseCase Presenter Activity

    / Fragment Service  3FUSPpUͷ*OUFSGBDFΛར༻ͯ͠"1*௨৴ Λߦ͏
     "1*ͷϨεϙϯεΛΞϓϦ಺Ͱར༻͠΍ ͍͢ܗʹม׵͢Δ

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


    fun fetchSearchUsers(): Observable<List<User>> {
 return service.fetchSearchUsers()
 .map { response -> UserConverter.convert(response) }
 }
 }

29. 29 Client val userService = mock<UserService>()
 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()
 }
 }

30. 30 Client val userService = mock<UserService>()
 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()
 }
 }

31. 31 Client val userService = mock<UserService>()
 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()
 }
 }

32. 32 Client val userService = mock<UserService>()
 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()
 }
 }

33. 33 Client val userService = mock<UserService>()
 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()
 }
 }

34. 34 Client val userService = mock<UserService>()
 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()
 }
 }

35. 35 Client val userService = mock<UserService>()
 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()
 }
 }

36. 36 Dao Dao %BUBCBTF API Client Repository UseCase Presenter Activity

    / Fragment Service  %BUBCBTFͷ$36%ॲཧΛߦ͏

37. 37 Dao class UserDao (private val orma: OrmaDatabase) {
 fun

    save(users: List<User>) {
 orma.transactionSync {
 orma.prepareInsertIntoUser(OnConflict.REPLACE)
 .executeAll(users)
 }
 }
 
 fun findAll(): Observable<List<User>> {
 return orma.selectFromUser()
 .executeAsObservable().toList()
 }
 }

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
 }
 }

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
 }
 }

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
 }
 }

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
 }
 }

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
 }
 }

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
 }
 }

44. 44 Repository Dao %BUBCBTF API Client Repository UseCase Presenter Activity

    / Fragment Service  σʔλͷऔಘɾอଘΛߦ͏

45. 45 Repository class UserRepository ( private val dao: UserDao, private

    val client: UserClient) { 
 fun searchUsers(): Observable<List<User>> {
 return client.searchUsers() .doOnNext { users -> dao.save(users) } .onErrorResumeNext { dao.findAll() }
 }
 }

46. 46 Repository val dao = mock<UserDao>(); val client = mock<UserClient>()

    val repository = UserRepository(dao, client) 
 fun testSearchUsers() { val expected = Array(10) { MockUser.newInstance(it) }.toList() client.fetchUsers().invoked.thenReturn(expected.toObservable()) val subscriber = TestSubscriver<User>() repository.searchUsers().subscribe(subscriber) with(subscriber){ assertNoErrors() onNextEvents.size.should be 1 assertCompleted() } }

47. 47 Repository val dao = mock<UserDao>(); val client = mock<UserClient>()

    val repository = UserRepository(dao, client) 
 fun testSearchUsers() { val expected = Array(10) { MockUser.newInstance(it) }.toList() client.fetchUsers().invoked.thenReturn(expected.toObservable()) val subscriber = TestSubscriver<User>() repository.searchUsers().subscribe(subscriber) with(subscriber){ assertNoErrors() onNextEvents.size.should be 1 assertCompleted() } }

48. 48 Repository val dao = mock<UserDao>(); val client = mock<UserClient>()

    val repository = UserRepository(dao, client) 
 fun testSearchUsers() { val expected = Array(10) { MockUser.newInstance(it) }.toList() client.fetchUsers().invoked.thenReturn(expected.toObservable()) val subscriber = TestSubscriver<User>() repository.searchUsers().subscribe(subscriber) with(subscriber){ assertNoErrors() onNextEvents.size.should be 1 assertCompleted() } }

49. 49 Repository val dao = mock<UserDao>(); val client = mock<UserClient>()

    val repository = UserRepository(dao, client) 
 fun testSearchUsers() { val expected = Array(10) { MockUser.newInstance(it) }.toList() client.fetchUsers().invoked.thenReturn(expected.toObservable()) val subscriber = TestSubscriver<User>() repository.searchUsers().subscribe(subscriber) with(subscriber){ assertNoErrors() onNextEvents.size.should be 1 assertCompleted() } }

50. 50 Repository val dao = mock<UserDao>(); val client = mock<UserClient>()

    val repository = UserRepository(dao, client) 
 fun testSearchUsers() { val expected = Array(10) { MockUser.newInstance(it) }.toList() client.fetchUsers().invoked.thenReturn(expected.toObservable()) val subscriber = TestSubscriver<User>() repository.searchUsers().subscribe(subscriber) with(subscriber){ assertNoErrors() onNextEvents.size.should be 1 assertCompleted() } }

51. 51 Repository val dao = mock<UserDao>(); val client = mock<UserClient>()

    val repository = UserRepository(dao, client) 
 fun testSearchUsers() { val expected = Array(10) { MockUser.newInstance(it) }.toList() client.fetchUsers().invoked.thenReturn(expected.toObservable()) val subscriber = TestSubscriver<User>() repository.searchUsers().subscribe(subscriber) with(subscriber){ assertNoErrors() onNextEvents.size.should be 1 assertCompleted() } }

52. 52 Repository val dao = mock<UserDao>(); val client = mock<UserClient>()

    val repository = UserRepository(dao, client) 
 fun testSearchUsers() { val expected = Array(10) { MockUser.newInstance(it) }.toList() client.fetchUsers().invoked.thenReturn(expected.toObservable()) val subscriber = TestSubscriver<User>() repository.searchUsers().subscribe(subscriber) with(subscriber){ assertNoErrors() onNextEvents.size.should be 1 assertCompleted() } }

53. 53 Repository val dao = mock<UserDao>(); val client = mock<UserClient>()

    val repository = UserRepository(dao, client) 
 fun testSearchUsers() { val expected = Array(10) { MockUser.newInstance(it) }.toList() client.fetchUsers().invoked.thenReturn(expected.toObservable()) val subscriber = TestSubscriver<User>() repository.searchUsers().subscribe(subscriber) with(subscriber){ assertNoErrors() onNextEvents.size.should be 1 assertCompleted() } }

54. 54 UseCase Dao %BUBCBTF API Client Repository UseCase Presenter Activity

    / Fragment Service  ϏδωεϩδοΫΛදݱ͢Δ

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

    Observable<List<User>> searchUsers() {
 return repository.searchUsers();
 } public Observable<List<User>> fetchRecommendLikeUsers() {
 return repository.fetchRecommendLikeUsers();
 } }

56. 56 UseCase val repository = mock<UserRepositry> 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()
 }
 }

57. 57 UseCase val repository = mock<UserRepositry> 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()
 }
 }

58. 58 UseCase val repository = mock<UserRepositry> 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()
 }
 }

59. 59 UseCase val repository = mock<UserRepositry> 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()
 }
 }

60. 60 UseCase val repository = mock<UserRepositry> 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()
 }
 }

61. 61 UseCase val repository = mock<UserRepositry> 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()
 }
 }

62. ·ͱΊ 62

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

    ΕͯΈΔͱΑ͍

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