モックの泥沼から脱却するために、あえてDBにつないでテストしている話

PHPerKaigi2021

1. !LB[VIFJ !LB[VIFJ@@ ϞοΫͷటপ͔Β୤٫͢ΔͨΊʹɺ
   ͋͑ͯ%#ʹͭͳ͍Ͱςετ͍ͯ͠Δ࿩ 1)1FS,BJHJ
   
   
2. ࣗݾ঺հ ߥҪ࿨ฏ
   !LB[VIFJ
   גࣜձࣾ."Ϋϥ΢υ
   $50
   ৽॓ޚԓελʔτΞοϓ
3. ς Ϋ ϊ ϩ δ ʔ ͷ ྗ Ͱ M & A ʹ ྲྀ ௨ ֵ ໋ Λ
4. ."ͷϦΫφϏͷΑ͏ͳαʔϏε ങ͍खاۀ͕ങऩχʔζΛܝࡌ͠ɺ
 ചΓख͕ͦΕʹରͯ͠ਃ͠ࠐΉͱ͍͏ܗͷ
 ৽͍͠.ˍ"ϚονϯάϓϥοτϑΥʔϜ
5. ࢖͍ͬͯΔٕज़ɾπʔϧ GSPOUFOE CBDLFOE NJEEMFXBSF JOGSB UPPMT
7. ໨࣍ w ϞοΫΛ࢖ͬͨϢχοτςετͷ໰୊఺
   w ͋͑ͯɺ%#ʹͭͳ͍Ͱςετ͢Δ
   w ·ͱΊ
8. ϞοΫΛ࢖ͬͨ
   Ϣχοτςετͷ໰୊఺
9. Ϣχοτςετʹ͍ͭͯ Ϣχοτςετ͸ɺϝιου΍ؔ਺ͳͲখ͞ͳϢχοτ୯Ґ ʹߜΓࠐΜͩࣗಈςετɻݱ୅తͳϓϩάϥϛϯάʹ͔ܽͤ ͳ͍
10. ϞοΫ͠ͳ͍Ϣχοτςετ ୯ҰͷΫϥεʹσʔλͱϩδοΫ͕ด͍ͯ͡Δ΋ͷ͸ ؆୯ʹςετग़དྷΔɻ
11. ϞοΫ͠ͳ͍Ϣχοτςετ class CommonTime { 
 public function __construct(int $timestamp) { $this->timestamp = $timestamp; } 
 public static function fromString($string) { return new static(strtotime($string)); } 
 public function getHour(): string { return date('H', $this->timestamp); }
12. ϞοΫ͠ͳ͍Ϣχοτςετ public function testGetHour() { $time = CommonTime::fromString('2017-01-01 10:21:00'); $this->assertEquals('10', $time->getHour()); } จࣈྻ͔Β$PNNPO5JNFΫϥεΛ࡞ͬͯɺHFU)PVS͕࣌ؒ Λฦ͢͜ͱΛςετ
13. ϞοΫΛ࢖ͬͨϢχοτςετ %#ΞΫηε͍ͯ͠Δ౳ɺΫϥε಺ʹσʔλ͕ด͍ͯ͡ ͳ͍৔߹ͷςετ͸ϞοΫΛ࢖ͬͯςετ͢Δ
14. ϞοΫΛ࢖ͬͨϢχοτςετ class MessageDomainService { 
 public function notifyMessage(MessageId $messageId): void { $message = $this->messageRepository->get($messageId); if ($message->needsNotification()) { $this->notificationRepository->add($message->notification()); } } ϝοηʔδΛऔಘͯ͠ɺඞཁͳΒ௨஌΋௥Ճ͢Δͱ͍͏Α͏ ͳॲཧ
15. ϞοΫΛ࢖ͬͨϢχοτςετ public function testNotifyMessage() { $needsNotifyMessage = new Message(...); $this->mock(MessageRepository::class, function ($mock) use ($needsNotifyMessage) { $mock->shouldReceive('get') ->andReturn($needsNotifyMessage); }); $this->mock(NotificationRepository::class, function ($mock) use ($needsNotifyMessage) { $mock->shouldReceive('add') ->with($needsNotifyMessage->notification()); }); $domainService = app()->make(MessageDomainService::class); $domainService->notifyMessage($needsNotifyMessage->id()); } ҰͭҰͭͷσʔλΞΫηε෦෼ΛϞοΫʹͯ͠ɺؔ਺͕ݺ͹ Ε͍ͯΔ͔Ͳ͏͔Λ֬ೝ͍ͯ͘͠ɻ
16. ϞοΫΛ࢖ͬͨϢχοτςετ public function testNotifyMessage() { $needsNotifyMessage = new Message(...); $this->mock(MessageRepository::class, function ($mock) use ($needsNotifyMessage) { $mock->shouldReceive('get') ->andReturn($needsNotifyMessage); }); $this->mock(NotificationRepository::class, function ($mock) use ($needsNotifyMessage) { $mock->shouldReceive('add') ->with($needsNotifyMessage->notification()); }); $domainService = app()->make(MessageDomainService::class); $domainService->notifyMessage($needsNotifyMessage->id()); } σʔλϕʔε͔Βऔಘͨ͠σʔλΛ࢖ͬͯɺෳ਺ͷςʔϒϧʹॻ͖ ࠐΈΛ͍ͯ͘͠Α͏ͳ৔߹ɺͨ͘͞ΜͷσʔλϕʔεΞΫηεΛ ϞοΫ͢Δඞཁ͕͋Δɻ
17. ϞοΫΛ࢖ͬͨϢχοτςετ ࣮ࡍͷॲཧ͸͜ΕΑΓ΋Կഒ΋ෳࡶʹͳΓɺςετ ίʔυ΋͜ΕΑΓ΋ͣͬͱଟ͘ͳͬͯ͠·͏ɻ
    ίʔυΛॻ͍͍ͯΔͷ͔ςετΛॻ͍͍ͯΔͷ͔෼͔ Βͳ͍ঢ়ଶɻ
18. ϞοΫΛ࢖ͬͨϢχοτςετ
19. Կ͕ѱ͍ͷ͔ʁ
20. ςετͷີ݁߹ ϝιου ଞΫϥεͷݺͼग़͠ ଞΫϥεͷݺͼग़͠ ଞΫϥεͷݺͼग़͠ ˡϞοΫ ˡϞοΫ ˡϞοΫ ςετͷີ݁߹͕ى͖͍ͯΔɻϞοΫΛ࢖ͬͨςετ͸ςετ ͕ϝιουͷத਎·Ͱৄ͘͠஌ͬͯ͠·͍ͬͯΔͱ͍͏͜ͱɻ
21. ςετͷີ݁߹ ϝιου ଞΫϥεͷݺͼग़͠ ଞΫϥεͷݺͼग़͠ ଞΫϥεͷݺͼग़͠ ˡϞοΫ ˡϞοΫ ˡϞοΫ ςετ͸ϓϩμΫτίʔυͱີ݁߹͢Ε͹͢Δ΄ͲյΕ ΍͘͢ͳΔɻଞΫϥεͷมߋͰςετ͕յΕͯ͠·͏
22. ςετͷີ݁߹ ϝιου ଞΫϥεͷݺͼग़͠ ଞΫϥεͷݺͼग़͠ ଞΫϥεͷݺͼग़͠ ˡϞοΫ ˡϞοΫ ˡϞοΫ ϞοΫΛ͗ͯ͢͠ϓϩμΫτίʔυ͕ςετͱ෼཭ͯ͠ มߋग़དྷͳ͍ঢ়ଶΛϞοΫͷటপͱ͍͏
23. ϞοΫͷటপ
24. ςετͷີ݁߹ ϝιου "HFU "VQEBUF #VQEBUF ˡςετ ˡςετ ˡςετ ࣮ࡍɺϞοΫ͠·͘Δͱɺϝιου͕ݺ͹ΕͯΔॱ൪͘Β͍͔͠ ςετग़དྷͳ͍ͷͰ͸ʁͪΌΜͱಈ͍͍ͯΔͱอূͰ͖Δͷ͔ʁ
25. ςετͷछྨ ϞοΫΛ࢖͑͹࢖͏΄Ͳɺςετ͸ϗϫΠτϘοΫε ςετʹ͍͍ۙͮͯ͘ɻ
    શͯͷ৚݅Λ௨ͯ͠ɺΧόϨοδΛ্͍͛ͨ౳ͷ৔߹ ʹ͸༗༻͕ͩɺγϯϓϧʹڍಈΛ֬ೝ͍ͨ͠ͱ͖ʹ͸ ϒϥοΫϘοΫεςετʹ͍ͨ͠ɻ
26. ϗϫΠτϘοΫεςετ ϝιου "HFU "VQEBUF #VQEBUF ˡςετ ˡςετ ˡςετ ͦΕͧΕͷؔ਺͕ͪΌΜͱݺ͹Ε͍ͯͯɺਖ਼͍͠෼ذ ʹೖ͍ͬͯΔ͜ͱΛςετ͢Δ
27. ϒϥοΫϘοΫεςετ ϝιου த਎͸Θ͔Βͳ͍͕ɺΠϯϓοτͱΞ΢τϓοτ͕อ ূ͞Ε͍ͯΔঢ়ଶ ˢ
    ςετ Πϯϓοτ Ξ΢τϓοτ
28. ϒϥοΫϘοΫεςετ ϝιου ͜ΕʹΑͬͯɺϓϩμΫτίʔυͱςετ͕ಠཱ͠ɺς ετΛ͍͡ΒͣʹίʔυΛมߋ͢Δ͜ͱ͕ग़དྷΔ ˢ
    ςετ Πϯϓοτ Ξ΢τϓοτ
29. ςετͷछྨ ϒϥοΫϘοΫεςετʹ͍ͨ͠ʂ😆
30. ͋͑ͯɺ%#ʹͭͳ͙
31. ͋͑ͯɺ%#ʹͭͳ͙ ϝιου ΠϯϓοτͱΞ΢τϓοτΛ%#͔Βऔಘ͢Ε͹ɺϒ ϥοΫϘοΫεςετ͕࣮ݱͰ͖Δ ˢ
    ςετ %# %#
32. ͋͑ͯɺ%#ʹͭͳ͙ public function testNotifyMessage() { $needsNotifyMessage = new Message(...); $domainService = app()->make(MessageDomainService::class); $domainService->notifyMessage($needsNotifyMessage->id());
 
 $notification = $this->notificationRepository->first(); $this->assertEquals($needsNotifyMessage->notification(), $notification) } ࣮ࡍͷ%#ʹॻ͖ࠐΜͰɺͦΕΛऔΓग़ͯ͠Ұக͍ͯ͠ Δ͔֬ೝ͢Δ͚ͩɻͱͯ΋γϯϓϧ
33. %#ʹͭͳ͍Ͱςετ͢Δͱ͖ͷ໰୊఺ ɾςετޙͷ෭࡞༻ΛͲ͏΍ͬͯରॲ͢Δ͔
    ɾ࣮ߦ࣌ؒΛͲ͏͢Δ͔
34. ςετޙͷ෭࡞༻ΛͲ͏΍ͬͯରॲ͢Δ͔ ςετҰͭҰ͕ͭऴΘΔ౓ʹσʔλϕʔεͷঢ়ଶΛ໭͠ ͍ͨɻ
    ςετΛ࣮ߦ͢Δ౓ʹσʔλϕʔεʹॳظσʔλΛ༻ҙ ͍ͯͨ͠Βɺςετͷ࣮ߦ࣌ؒͷຆͲ͕σʔλͷ༻ҙ ʹͳͬͯ͠·͏😅
35. ςετޙͷ෭࡞༻ΛͲ͏΍ͬͯରॲ͢Δ͔ %#ͷτϥϯβΫγϣϯΛ׆༻͢Δ👏
36. ςετޙͷ෭࡞༻ΛͲ͏΍ͬͯରॲ͢Δ͔ αϯϓϧίʔυ͸-BSBWFMΛ࢖ͬͨ΋ͷɻTFUVQ ࣌ʹ USBOTBDUJPOΛுΓɺUFBS%PXO ࣌ʹSPMMCBDL͍ͯ͠Δ <?php declare(strict_types=1); namespace Tests; use Illuminate\Foundation\Testing\DatabaseTransactions; abstract class BaseDbIntegrationTest extends TestCase { use DatabaseTransactions; }
37. ࣮ߦ࣌ؒΛͲ͏͢Δ͔ Ϣχοτςετ͸଎໋͕͞ɻσʔλϕʔεʹͭͳ͍Ͱ͍ ͨΒςετ͕஗͘ͳͬͯ͠·͏😅
38. ࣮ߦ࣌ؒΛͲ͏͢Δ͔ %#ʹͭͳ͙ํ͕ܨ͕ͳ͍ΑΓ஗͍ͷ͸࢓ํͳ͍ͱׂΓ ੾Δ😅࣮ߦͷ࢓ํΛ޻෉ͯ͠ରॲ
39. ࣮ߦ࣌ؒΛͲ͏͢Δ͔ 1)16OJUͷઃఆͰςετΛ෼ׂ͠ɺ࣮ߦλΠϛϯάΛௐ੔͢ Δ͜ͱͰରॲ <testsuites> <testsuite name="Feature"> <directory suffix="Test.php">./tests/Feature</directory> </testsuite> <testsuite name="DbIntegration"> <directory suffix="Test.php">./tests/DbIntegration</directory> </testsuite> <testsuite name="Unit"> <directory suffix="Test.php">./tests/Unit</directory> </testsuite> </testsuites>
40. ࣮ߦ࣌ؒΛͲ͏͢Δ͔ $*্Ͱ͸ଞͷछྨͷςετͱฒྻ࣮ߦͰ͖ΔΑ͏ʹઃఆ͠ɺ શମͰͷ࣮ߦ࣌ؒʹ͸ӨڹΛ༩͑ͳ͍Α͏ʹ
41. ·ͱΊ
42. ·ͱΊ ɾϞοΫΛͨ͘͞Μ࢖͏ςετ͸ɺϓϩμΫτίʔυͱςετ ͕ີ݁߹ͯ͠ϞοΫͷటপʹϋϚͬͯ͠·͏ɻ
    ɾ͋͑ͯ%#ʹͭͳ͙͜ͱͰϓϩμΫτίʔυͱςετ͕ಠཱ ͠ɺΠϯϓοτͱΞ΢τϓοτΛ֬ೝ͢Δ͚ͩͷγϯϓϧͳς ετʹͳΔ
    ɾ%#ʹͭͳ͍Ͱςετ͢ΔͨΊͷػೳ౳΋ҙ֎ͱ༻ҙ͞Εͯ ͓Γɺ΍Ε͹ग़དྷΔ
43. ஫ҙॻ͖ ϞοΫΛ࢖͏ͷΛৗʹ΍Ίͨ΄͏͕ྑ͍ͱ͍͏͜ͱͰ͸͋Γ ·ͤΜɻ࣮ࡍʹϞοΫΛ࢖ͬͨํ͕ྑ͍έʔε΋ͱͯ΋ଟ͍Ͱ ͢ɻ
    ͨͩɺϞοΫΛ࢖Θͳ͍Ͱςετ͢Δํ๏΋͋ΔΑɺͱ͍͏ ࿩Ͱͨ͠ɻ
44. ࢀߟॻ੶ ॳΊͯͷࣗಈςετ
    
    03FJMMZ
    +BQBO
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