Phakeで簡単 モックオブジェクト作成

2012.03.27 PHP勉強会@東京 #58

Transcript

1. PhakeͰ؆୯
   ϞοΫΦϒδΣΫτ࡞੒
   Katsuhiro OGAWA @fivestr
   2012.03.27 - PHPษڧձ@౦ژ #58
   

   View Slide

2. About Me
   খ઒ ༤େ - OGAWA Katsuhiro @fivestr
   גࣜձࣾΫϩίε
   ձࣾͰ͸ߴڮͬͯݺ͹Εͯ·͢
   ύʔϑΣΫτPHPॻ͖·ͨ͠
   5݄ʹ΋PHPͷຊग़͢Έ͍ͨͰ͢ (৭ʑະఆ)
   OOPɺMVCɺDDD
   2
   

   View Slide

3. Agenda
   ελϒͱϞοΫ
   Phakeͱ͸
   Phake API
   PhakeͷΠϯετʔϧ
   3
   

   View Slide

4. ςετ͕஗͍ʁ
   DB΍IOɺWeb APIͳͲ΁ͷΞΫηεΛ൐͏ॲཧͷςε
   τͬͯͲ͏ͯ͠·͔͢ʁ
   DBΞΫηεͯͨ͠Βςετ͕஗͘ͳͬͨΓ͢Δ͠ɺWeb
   APIͩͱωοτϫʔΫʹͭͳ͕ͬͯͳ͍ͱςετͰ͖ͳ͍
   Ͱ͢ΑͶ
   ͦΜͳͱ͖͸ελϒͷग़൪Ͱ͢
   4
   

   View Slide

5. ελϒͱ͸
   લड़ͷΑ͏ͳ֎෦ͷԿ͔΁ͷΞΫηεͷ୅ΘΓʹఆ਺Λ
   ฦ͢Α͏ʹͨ͠΋ͷ͕ελϒ
   stub out - ΋Έফ͢
   ैདྷ:ɹɹreturn $webservice->api($id);
   ελϒ:ɹreturn [‘id’ => ‘1’, ‘name’ => ‘takahashi’];
   ఆ਺ʹஔ͖׵͑Δ
   5
   

   View Slide

6. αϯϓϧ
   FacebookΫϥε͸
   Facebook͕ఏڙ͢Δ
   PHP SDKɻ
   api()ϝιουͰAPI΁
   ΞΫηε
   ClientΫϥε͸
   FacebookΦϒδΣΫ
   τΛ࢖ͬͯσʔλΞΫ
   ηε
   6
   

   View Slide

7. ελϒͰࠩ͠ସ͑
   FacebookΫϥεͷ
   api()ϝιουΛ্ॻ͖
   ͯ͠ఆ਺Λฦ͢Α͏ʹ
   ͢Ε͹ɺWeb API΁ͷ
   ΞΫηεΛͳͤ͘Δ
   ্ҐϞδϡʔϧ
   ԼҐϞδϡʔϧ
   7
   

   View Slide

8. ελϒͷ׆༻
   ελϒΛ࢖͏ͱɺDB΍Web APIͱ͍ͬͨɺ֎෦ͷԿ͔΁
   ͷґଘΛ੾Γ཭͢͜ͱ͕Մೳ
   ֎෦ͷԿ͔΁ͷΞΫηε͕Ͱ͖ͳ͍ঢ়ଶͰ΋ɺΞΫηε
   ॲཧΛελϒʹஔ͖׵͑Δ͜ͱͰ্ҐϞδϡʔϧͷςε
   τ͕Մೳ
   8
   

   View Slide

9. ϞοΫΦϒδΣΫτͱ͸
   ϞοΫΦϒδΣΫτ͸ελϒͷҰछ
   ελϒ͕ԿΒ͔ͷಈ࡞ͷ୅༻඼Ͱ͔͠ͳ͍ͷʹରͯ͠ɺ
   ϞοΫΦϒδΣΫτ͸্ҐϞδϡʔϧ͕ԼҐϞδϡʔϧ
   Λਖ਼͘͠࢖༻͍ͯ͠Δ͔Λςετ͢ΔͨΊͷ΋ͷ
   9
   

   View Slide

10. ϞοΫΦϒδΣΫτͷ׆༻
    DBʹอଘ͢ΔΑ͏ͳ໭Γ஋Λ൐Θͳ͍ϝιουΛελϒ
    Խ͍ͨ͠ͱ͖͸ɺ໭Γ஋͕ԿͰ͋Δ͔Ͱ͸ͳ͘ɺϝιο
    υࣗମ͕ݺͼग़͞Ε͍ͯΔ͜ͱΛ֬ೝ͢Δ
    10
    

    View Slide

11. ϞοΫΦϒδΣΫτͷ࡞Γํ
    ୯ͳΔελϒͱҧͬͯɺϞοΫΦϒδΣΫτ͸ϝιου
    ͕ݺͼग़͞Εͨ͜ͱΛςετ͠ͳ͚Ε͹ͳΒͳ͍
    ϞοΫΦϒδΣΫτϑϨʔϜϫʔΫΛ࢖ͬͯϞοΫΦϒ
    δΣΫτΛ࡞੒͢Δͷ͕Ұൠత
    ୅දతͳ΋ͷ͕PHPUnitඪ४ͷPHPUnit_MockObject
    ࠓճ঺հ͢ΔPhake΋ϑϨʔϜϫʔΫͷ1ͭ
    11
    

    View Slide

12. Phake
    ௚ײతʹ࢖͑ΔϞοΫΦϒδΣΫτϑϨʔϜϫʔΫ
    JavaͷMockito͕ϕʔε
    PHPUnitʹ΋ରԠ
    12
    

    View Slide

13. PHPUnit_MockObject
    13
    ;
    

    View Slide

14. Phake
    14
    ;
    

    View Slide

15. Phake
    Phake::mock
    ϞοΫΦϒδΣΫτͷ࡞੒
    Phake::when
    ελϒϝιουͷ࡞੒
    Phake::verify
    ϝιου͕ਖ਼͘͠ݺͼग़͞Ε͔ͨ
    15
    

    View Slide

16. Phake::mock
    Phake::mock( $classname [, $arg1[, $... ]] )
    ࢦఆͨ͠Ϋϥε໊ΛݩʹϞοΫΦϒδΣΫτΛ࡞੒
    ୈ2Ҿ਺Ҏ͕߱ίϯετϥΫλͷҾ਺
    16
    

    View Slide

17. Phake::when
    Phake::when( $mock )
    ->ελϒԽ͍ͨ͠ϝιου(ظ଴͢ΔҾ਺)
    ->ݺͼग़͞ΕͨΒͲ͏ͳΔ͔()
    ελϒԽ͍ͨ͠ϝιουͱҾ਺Λͦͷ··هड़
    Phake::when($mock)->foo(Phake::anyParameters())
    foo()ϝιου͕Ҿ਺໰Θͣݺͼग़͞ΕΔ
    17
    

    View Slide

18. Phake::when - Answers
    thenReturn( $value )
    $value Λฦ͢
    thenThrow( $exception )
    $exception Λεϩʔ
    thenCallParent()
    parentݺͼग़͠
    18
    

    View Slide

19. Phake::verify
    Phake::verify( $mock [, $mode ] )
    ->ݕূ͢Δϝιου(ظ଴͢ΔҾ਺)
    Phake::verify($mock, Phake::times($n))->foo()
    foo()ϝιου͕$nճݺͼग़͞Εͨ͜ͱΛݕূ
    Phake::verifyNoIntaraction($mock)
    $mockΦϒδΣΫτͷελϒϝιου͕Կ΋ݺͼग़͞
    Εͳ͔ͬͨ͜ͱΛݕূ
    19
    

    View Slide

20. Partial Mocks
    ௨ৗ Phake::mock() ͰϞοΫΦϒδΣΫτΛ࡞੒͢Δ
    ͱɺ͢΂ͯͷϝιου͕ελϒԽ͞ΕΔ
    Ұ෦ͷϝιουͷΈελϒԽ͍ͨ͠৔߹͸ύʔγϟϧ
    ϞοΫͱͯ͠࡞੒͢Δ
    ύʔγϟϧϞοΫΦϒδΣΫτ͸جຊతʹ͸ϝιου͕
    ͦͷ··ݺͼग़͞ΕΔ͕ɺPhake::when()Ͱ෦෼తʹελ
    ϒϝιουʹஔ͖׵͑Δ͜ͱ͕Մೳ
    20
    

    View Slide

21. View Slide

22. View Slide

23. Partial Mocks
    ύʔγϟϧϞοΫ͕ඞཁʹͳΔΑ͏Ͱ͋Ε͹ɺ෦෼తઃ
    ܭΛݟ௚͍͍͢ػձ͔΋
    ύʔγϟϧϞοΫͰελϒԽͨ͠෦෼ΛผͷΫϥεͱ͠
    ͯநग़ͯ͠ɺϞοΫΦϒδΣΫτͰஔ͖׵͑Δํ͕ͨͿ
    Μૉ௚ͰΘ͔Γ΍͍͢ͱࢥ͍·͢
    23
    

    View Slide

24. Installation
    pear config-set auto_discover 1
    pear install pear.digitalsandwich.com/phake
    include_pathΛઃఆͯ͠Phake.phpΛಡΈࠐΉ͚ͩ
    24
    

    View Slide

25. ·ͱΊ
    PhakeΛ࢖͏ͱ௚ײతʹϞοΫΦϒδΣΫτΛ࡞ΕΔ
    ࢥߟͷྲྀΕʹԊͬͯεϜʔζʹϞοΫΦϒδΣΫτ͕
    ࡞ΕΔͨΊςετ͕ḿΔ
    PHPUnitͷMockObjectͰे෼ͳΒແཧʹ࢖Θͳ͍͍ͯ͘
    Μ͡Όͳ͍Ͱ͔͢Ͷ……
    25
    

    View Slide

26. Links
    http://phake.digitalsandwich.com/
    https://github.com/mlively/Phake
    http://fivestar.hatenablog.com/
    ͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠
    26
    

    View Slide