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
   

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2. ࣗݾ঺հ
   •  ࢯ໊:  ֎ࢁ७ੜ(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  
   

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3. •  Androidͷ୯ମςετɺͲ͏ͯ͠·͔͢?  
   – Robolectric  +  Mockito  
   •  AndroidͰϨΨγʔίʔυͱಆΘͳ͖Ό͍
   ͚ͳ͍͜ͱɺͳ͍Ͱ͔͢?  
   •  staticϝιου΍finalϝιουΛࠩ͠ସ͑
   ͨ͘ͳΔ͜ͱɺͳ͍Ͱ͔͢?
   3  
   ͸͡Ίʹ
   

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4. ঺հ͢ΔTips
   RobolectricͰPowerMockΛ࢖͏ํ๏
   Λ঺հ͠·͢(Android  Studioฤ)
   4  
   ҙ֎ͱ໘౗!
   

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5. Robolectric
   •  JVM্ͰAndroidͷ୯ମςετ͕Ͱ͖Δ!  
   •  http://robolectric.org/
   5  
   ग़య:  http://robolectric.org/
   

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6. PowerMock  with  Mockito
   •  https://code.google.com/p/powermock/  
   •  staticɾfinalϝιου΋ࠩ͠ସ͑ΒΕΔ  
   6  
   ग़య:  https://code.google.com/p/powermock/wiki/MockitoUsage13
   

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7. ΞδΣϯμ
   •  Robolectric+PowerMock:  ซ༻͕೉͍͠ཧ༝  
   •  ղܾํ਑  
   •  ϙΠϯτ  
   •  ϑΝΠϧͷ഑ஔ  
   •  gradleରԠ  
   •  Android  Studioઃఆ  
   •  ·ͱΊ  
   7  
   

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8. Robolectric+PowerMock:  
   ซ༻͕೉͍͠ཧ༝
   •  ྆ํͱ΋@RunWithࢦఆ͕ඞཁ  
   – Robolectric  
    
   – PowerMock
   8  
   @RunWith(RobolectricTestRunner.class)
   public class MyActivityTest {
   ...
   @RunWith(PowerMockRunner.class)
   public class YourTestCase {
   ....
   @RunWithͰࢦఆͰ͖Δςετϥϯφʔ͸1͚ͭͩ!  
   

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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();
   }
   ...
   

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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
    

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11. ϑΝΠϧͷ഑ஔ
    11  
    src/test/javaʹςετίʔυΛ഑ஔ
    src/test/resʹ  
    RobolectricͷConfigϑΝΠϧΛ഑ஔ
    

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12. GradleରԠ(४උ)
    •  robolectric-­‐gradle-­‐pluginͷmasterઌ୺ΛϏ
    ϧυ͢Δ  
    – όʔδϣϯએݴมߋ  
     
    – gradle  install  
    12  
    ...
    group = 'org.robolectric'
    version = '0.13.0-SNAPSHOT'
    ...
    

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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༻
    

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14. GradleରԠ(build.gradle  2/4)
    14  
    android {
    ...
    sourceSets {
    androidTest {
    setRoot('src/test')
    }
    ...
    }
    }
    // ...ଓ͘...
    src/testʹςετίʔυΛஔ͘
    

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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
    

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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
    

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17. Android  Studioઃఆ(1/3)
    17  
    •  Android͡Όͳ͍[All    Test]Λ૸Βࣦͤͯഊ͞
    ͤΔ  
    •  ΤϥʔͱҰॹʹग़ྗ͞ΕΔίϚϯυϥΠϯ͔
    ΒΫϥεύεΛద౰ͳΤσΟλʹίϐʔ  
     
    

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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
    

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19. Android  Studioઃఆ(2/3)
    19  
    •  [Run]＞[Edit  Configurations...]ͷ[JUnit]σϑΥ
    ϧτ஋Λมߋ  
    ฤूͨ͠΋ͷΛషΓ෇͚Δ
    ςετ࣮ߦલʹ  
    gradle  testDebugClasses  
    Λςετ࣮ߦ͢ΔΑ͏ʹઃఆ͢Δ
    

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20. Android  Studioઃఆ(3/3)
    •  ςετ͍ͨ͠ϝιου΍ΫϥεͰҎԼͷૢ
    ࡞Λ͢Ε͹ςετ͕࣮ߦͰ͖Δ  
    – ӈΫϦοΫˠRunˠAndroidͰ͸ͳ͍ํͷςετ
    20  
    ͜ͷΞΠίϯͷํΛબͿ
    

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21. ·ͱΊ
    •  AndroidStudioͰɺRobolectricͱPowerMockΛซ༻͢
    Δํ๏Λ঺հ͠·ͨ͠ɻ  
    •  PowerMockΛ࢖Θ͟ΔΛಘͳ͍ϨΨγʔίʔυʹ
    ૺ۰ͨ͠ͱ͖ʹ͓࢖͍͍ͩ͘͞ɻ  
    •  ॳظઃఆ͑͞ऴΘΕ͹ɺշదʹ࢖͑·͢!  
    21  
    ͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠
    

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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  
    

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