Robolectric with PowerMock for Android Studio

「【第9回】potatotips（iOS/Android開発Tips共有会）」の発表資料です。
Android Studio / Gradle で、RobolectricとPowerMockを併用する方法を説明しています。
設定さえしてしまえば、Android StudioでサクサクTDDできますので、ぜひお試しください!

Transcript

1. ʙϨΨγʔίʔυͱಆ͏ͨΊʹʙ   RobolectricͰ΋PowerMockΛ࢖͏
   2014.09.24   @sumio_tym  (TOYAMA  Sumio)
   potatotips  (iOS/Android։ൃTipsڞ༗ձ)  ୈ9ճ
   
2. ࣗݾ঺հ
   •  ࢯ໊:  ֎ࢁ
   ७ੜ
   (TOYAMA  Sumio)   @sumio_tym  (twitter),  @sumio  (github)   •  ॴଐ:  NTTιϑτ΢ΣΞגࣜձࣾ   •  ۀ຿಺༰:   – ࣾ಺Androidؔ࿈ϓϩδΣΫτٕज़ࢧԉ   – Androidؔ࿈ࣾ಺ݚमߨࢣ   •  ϓϥΠϕʔτ:   – STAR  (ςετࣗಈԽݚڀձ)   – Androidͷࣗಈςετ༻ͷIMEΛެ։ͯ͠·͢   https://github.com/sumio/uiautomator-­‐unicode-­‐input-­‐helper   2  
3. •  Androidͷ୯ମςετɺͲ͏ͯ͠·͔͢?   – Robolectric  +  Mockito   •  AndroidͰϨΨγʔίʔυͱಆΘͳ͖Ό͍ ͚ͳ͍͜ͱɺͳ͍Ͱ͔͢?   •  staticϝιου΍finalϝιουΛࠩ͠ସ͑ ͨ͘ͳΔ͜ͱɺͳ͍Ͱ͔͢?
   3   ͸͡Ίʹ
   
4. ঺հ͢ΔTips
   RobolectricͰPowerMockΛ࢖͏ํ๏ Λ঺հ͠·͢(Android  Studioฤ)
   4   ҙ֎ͱ໘౗!
   
5. Robolectric
   •  JVM্ͰAndroidͷ୯ମςετ͕Ͱ͖Δ!   •  http://robolectric.org/
   5   ग़య:  http://robolectric.org/
   
6. PowerMock  with  Mockito
   •  https://code.google.com/p/powermock/   •  staticɾfinalϝιου΋ࠩ͠ସ͑ΒΕΔ   6   ग़య:  https://code.google.com/p/powermock/wiki/MockitoUsage13
   
7. ΞδΣϯμ
   •  Robolectric+PowerMock:  ซ༻͕೉͍͠ཧ༝   •  ղܾํ਑   •  ϙΠϯτ   •  ϑΝΠϧͷ഑ஔ   •  gradleରԠ   •  Android  Studioઃఆ   •  ·ͱΊ   7  
8. Robolectric+PowerMock:   ซ༻͕೉͍͠ཧ༝
   •  ྆ํͱ΋@RunWithࢦఆ͕ඞཁ   – Robolectric     – PowerMock
   8   @RunWith(RobolectricTestRunner.class) public class MyActivityTest { ... @RunWith(PowerMockRunner.class) public class YourTestCase { .... @RunWithͰࢦఆͰ͖Δςετϥϯφʔ͸1͚ͭͩ!  
9. ղܾํ਑
   •  @RunWith:  RobolectricTestRunnerΛࢦఆ   •  PowerMock:  PowerMockAgent   https://code.google.com/p/powermock/wiki/ PowerMockAgent
   9   @RunWith(RobolectricTestRunner.class) @PrepareForTest(X.class) public class MyActivityPowerMockTest extends { static { PowerMockAgent.initializeIfNeeded(); } ...
10. ϙΠϯτ
    •  JDK1.6ඞਢ
    (JDK1.7Ҏ߱Ͱ͸ಈ࡞͠ͳ͍)   •  robolectric-­‐gradle-­‐pluginΛ࢖͏   – https://github.com/robolectric/robolectric-­‐gradle-­‐ plugin  (masterϒϥϯνͷઌ୺͕ඞཁ)   •  ςετ࣮ߦ࣌ʹ޻෉͕ඞཁ   – Ϋϥεύε:  junit-­‐4.11Λandroid.jarΑΓલʹ!   – ىಈ࣌Ҿ਺:  -­‐javaagentΦϓγϣϯ͕ඞཁ   10   -javaagent:/path/to/powermock-module-javaagent-1.5.5.jar
11. ϑΝΠϧͷ഑ஔ
    11   src/test/javaʹςετίʔυΛ഑ஔ
    src/test/resʹ   RobolectricͷConfigϑΝΠϧΛ഑ஔ
    
12. GradleରԠ(४උ)
    •  robolectric-­‐gradle-­‐pluginͷmasterઌ୺ΛϏ ϧυ͢Δ   – όʔδϣϯએݴมߋ     – gradle  install   12   ... group = 'org.robolectric' version = '0.13.0-SNAPSHOT' ...
13. GradleରԠ(build.gradle  1/4)
    13   buildscript { repositories { mavenCentral() mavenLocal() } dependencies { classpath 'com.android.tools.build:gradle:0.12.+' classpath 'org.robolectric:robolectric-gradle-plugin:0.13.+' } } apply plugin: 'android' apply plugin: 'robolectric' // ...ଓ͘... robolectric-­‐gradle-­‐plugin͸   ϩʔΧϧʹΠϯετʔϧͨ͠΋ͷΛ࢖͏
    'robolectric'ϓϥάΠϯΛద༻
    
14. GradleରԠ(build.gradle  2/4)
    14   android { ... sourceSets { androidTest { setRoot('src/test') } ... } } // ...ଓ͘... src/testʹςετίʔυΛஔ͘
    
15. GradleରԠ(build.gradle  3/4)
    15   dependencies { repositories { mavenCentral() } androidTestCompile 'org.powermock:powermock-module-junit4:1.5.5' androidTestCompile 'org.powermock:powermock-api-mockito:1.5.5' androidTestCompile 'org.powermock:powermock-module-junit4-rule-agent: 1.5.5' androidTestCompile('org.robolectric:robolectric:2.3') { exclude module: 'commons-logging' exclude module: 'httpclient' exclude module: 'support-v4' } } // ...ଓ͘... PowerMockAgentΛ௥Ճ
    
16. GradleରԠ(build.gradle  4/4)
    16   robolectric { ignoreFailures true def agentJar = configurations.androidTestCompile.files { dep -> (dep.group == 'org.powermock') && (dep.name == 'powermock-module-junit4-rule-agent') }.find { it.name.startsWith 'powermock-module-javaagent' } jvmArgs "-javaagent:${agentJar.absolutePath}" } powermock-­‐module-­‐javaagentͷjarϑΝΠϧͷॴࡏΛ୳ ͯ͠ɺjvmArgsʹηοτ͢Δ
    robolectric  {  ...  }͸dependencies  {  ...  }ΑΓ΋ޙʹએݴ͢Δ
    
17. Android  Studioઃఆ(1/3)
    17   •  Android͡Όͳ͍[All    Test]Λ૸Βࣦͤͯഊ͞ ͤΔ   •  ΤϥʔͱҰॹʹग़ྗ͞ΕΔίϚϯυϥΠϯ͔ ΒΫϥεύεΛద౰ͳΤσΟλʹίϐʔ    
18. 18   •  -­‐classpathͷฤू   •  junit-­‐4.11.jarΛઌ಄ʹҠಈ   •  build/test-­‐classes΁ͷύεΛ຤ඌʹ௥Ճ   •  powermock-­‐module-­‐javaagent-­‐1.5.5.jarΛ-­‐javaagentΦϓ γϣϯͱͯ͠௥Ճ   •  -­‐javaagent:/path/to/powermock-­‐module-­‐ javaagent-­‐1.5.5.jar
    
19. Android  Studioઃఆ(2/3)
    19   •  [Run]＞[Edit  Configurations...]ͷ[JUnit]σϑΥ ϧτ஋Λมߋ   ฤूͨ͠΋ͷΛషΓ෇͚Δ
    ςετ࣮ߦલʹ   gradle  testDebugClasses   Λςετ࣮ߦ͢ΔΑ͏ʹઃఆ͢Δ
    
20. Android  Studioઃఆ(3/3)
    •  ςετ͍ͨ͠ϝιου΍ΫϥεͰҎԼͷૢ ࡞Λ͢Ε͹ςετ͕࣮ߦͰ͖Δ   – ӈΫϦοΫˠRunˠAndroidͰ͸ͳ͍ํͷςετ
    20   ͜ͷΞΠίϯͷํΛબͿ
    
21. ·ͱΊ
    •  AndroidStudioͰɺRobolectricͱPowerMockΛซ༻͢ Δํ๏Λ঺հ͠·ͨ͠ɻ   •  PowerMockΛ࢖Θ͟ΔΛಘͳ͍ϨΨγʔίʔυʹ ૺ۰ͨ͠ͱ͖ʹ͓࢖͍͍ͩ͘͞ɻ   •  ॳظઃఆ͑͞ऴΘΕ͹ɺշదʹ࢖͑·͢!   21   ͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠
    
22. ࢀߟURL
    •  robolectric-­‐gradle-­‐plugin   –  https://github.com/robolectric/robolectric-­‐gradle-­‐plugin   •  Robolectricར༻࣌ͷbuild.gradleͷαϯϓϧ   –  https://github.com/robolectric/deckard-­‐gradle   •  Android  StudioͰRobolectricͷςετΛ࣮ߦ͢Δ ํ๏Λղઆͨ͠ϒϩάهࣄ   –  ʮAndroid  Studio͔ΒRobolectricͷςετΛ௚઀࣮ߦ͢ Δ
    -­‐  ΄͛΄͛ʢԾʣʯhttp://starzero.hatenablog.com/ entry/2014/05/13/194422
    22