2013-10-17 67 views
1

我使用Robolectric來測試活性(FooActivity) FooActivity.java延伸BaseActivity.javaNullPointerExcepcion具有延伸BaseActivity和BaseActivity被延伸活性,但我發現了在Activity.onCreate()一個NullPointerException</p> <p>Robolectric上Activity.onCreate()

@Override 
public void onCreate(Bundle icicle) { 
    super.onCreate(icicle); 
} 

BaseActivity.java延伸活動

@Override 
public void onCreate(Bundle icicle) { 
    super.onCreate(icicle); 
    this.mActivityCreated = true; 
    mFragmentMgr = getFragmentManager(); 
    this.setContentView(R.layout.main); 
} 

測試:FooActivityTest

@Before 
public void setUp() { 
    mActivity = new FooActivity(); 
} 


@Test 
public void test() { 

    Intent i = new Intent(); 
    i.putExtra("isTesting", true); 
    mActivity.setIntent(i); 
    mActivity.onCreate(null); 
} 

錯誤

java.lang.NullPointerException 
at android.app.Activity.onCreate(Activity.java:874) 
at com.pdi.enjoy.activities.BaseActivity.onCreate(BaseActivity.java:129) 
at com.pdi.enjoy.activities.FooActivityTest.onCreate(FooActivity.java:107) 
at com.pdi.enjoy.activities.FooActivityTest.test(FooActivity.java:32) 
at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:45) 
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15) 
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:42) 
at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20) 
at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28) 
at org.robolectric.RobolectricTestRunner$2.evaluate(RobolectricTestRunner.java:234) 
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:263) 
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:68) 
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:47) 
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:231) 
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:60) 
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:229) 
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:50) 
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:222) 
at org.robolectric.RobolectricTestRunner$1.evaluate(RobolectricTestRunner.java:175) 
at org.junit.runners.ParentRunner.run(ParentRunner.java:300) 
at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50) 
at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38) 
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467) 
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683) 
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390) 
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197) 
+0

我們真的可以在代碼片段中使用行號,這樣我們可以將它與錯誤進行比較 –

回答

6
Intent i= new Intent(Robolectric.application, FooActivity.class); 
i.putExtra("isTesting", true); 

FooActivity activity = Robolectric.buildActivity(FooActivity.class).withIntent(i).create().get(); 

不要手動調用的onCreate上的活動。 Robolectric會照顧那個..

從這裏你可以做任何其他測試使用你需要的活動對象。

+0

它的工作原理!謝謝! – adgllorente

1

貌似Robolectric的早期版本,你需要顯式調用生命週期方法,但後來者都能夠處理生命週期要求自己。

此外,一個不得不使用activity.getApplication()中獲得了應用,但它看起來像直接現已Robolectric.application

@dophie:謝謝你的回答。