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/*
* Copyright (C) 2008 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package android.test;
import android.app.Activity;
import android.content.Intent;
import java.lang.reflect.Method;
/**
* This class provides functional testing of a single activity. The activity under test will
* be created using the system infrastructure (by calling InstrumentationTestCase.launchActivity())
* and you will then be able to manipulate your Activity directly.
*
* <p>Other options supported by this test case include:
* <ul>
* <li>You can run any test method on the UI thread (see {@link android.test.UiThreadTest}).</li>
* <li>You can inject custom Intents into your Activity (see
* {@link #setActivityIntent(Intent)}).</li>
* </ul>
*
* <p>This class replaces {@link android.test.ActivityInstrumentationTestCase}, which is deprecated.
* New tests should be written using this base class.
*
* <p>If you prefer an isolated unit test, see {@link android.test.ActivityUnitTestCase}.
*/
public abstract class ActivityInstrumentationTestCase2<T extends Activity>
extends ActivityTestCase {
Class<T> mActivityClass;
boolean mInitialTouchMode = false;
Intent mActivityIntent = null;
/**
* Creates an {@link ActivityInstrumentationTestCase2}.
*
* @param pkg ignored - no longer in use.
* @param activityClass The activity to test. This must be a class in the instrumentation
* targetPackage specified in the AndroidManifest.xml
*
* @deprecated use {@link #ActivityInstrumentationTestCase2(Class)} instead
*/
@Deprecated
public ActivityInstrumentationTestCase2(String pkg, Class<T> activityClass) {
this(activityClass);
}
/**
* Creates an {@link ActivityInstrumentationTestCase2}.
*
* @param activityClass The activity to test. This must be a class in the instrumentation
* targetPackage specified in the AndroidManifest.xml
*/
public ActivityInstrumentationTestCase2(Class<T> activityClass) {
mActivityClass = activityClass;
}
/**
* Get the Activity under test, starting it if necessary.
*
* For each test method invocation, the Activity will not actually be created until the first
* time this method is called.
*
* <p>If you wish to provide custom setup values to your Activity, you may call
* {@link #setActivityIntent(Intent)} and/or {@link #setActivityInitialTouchMode(boolean)}
* before your first call to getActivity(). Calling them after your Activity has
* started will have no effect.
*
* <p><b>NOTE:</b> Activities under test may not be started from within the UI thread.
* If your test method is annotated with {@link android.test.UiThreadTest}, then your Activity
* will be started automatically just before your test method is run. You still call this
* method in order to get the Activity under test.
*
* @return the Activity under test
*/
@Override
public T getActivity() {
Activity a = super.getActivity();
if (a == null) {
// set initial touch mode
getInstrumentation().setInTouchMode(mInitialTouchMode);
final String targetPackage = getInstrumentation().getTargetContext().getPackageName();
// inject custom intent, if provided
if (mActivityIntent == null) {
a = launchActivity(targetPackage, mActivityClass, null);
} else {
a = launchActivityWithIntent(targetPackage, mActivityClass, mActivityIntent);
}
setActivity(a);
}
return (T) a;
}
/**
* Call this method before the first call to {@link #getActivity} to inject a customized Intent
* into the Activity under test.
*
* <p>If you do not call this, the default intent will be provided. If you call this after
* your Activity has been started, it will have no effect.
*
* <p><b>NOTE:</b> Activities under test may not be started from within the UI thread.
* If your test method is annotated with {@link android.test.UiThreadTest}, then you must call
* {@link #setActivityIntent(Intent)} from {@link #setUp()}.
*
* <p>The default Intent (if this method is not called) is:
* action = {@link Intent#ACTION_MAIN}
* flags = {@link Intent#FLAG_ACTIVITY_NEW_TASK}
* All other fields are null or empty.
*
* @param i The Intent to start the Activity with, or null to reset to the default Intent.
*/
public void setActivityIntent(Intent i) {
mActivityIntent = i;
}
/**
* Call this method before the first call to {@link #getActivity} to set the initial touch
* mode for the Activity under test.
*
* <p>If you do not call this, the touch mode will be false. If you call this after
* your Activity has been started, it will have no effect.
*
* <p><b>NOTE:</b> Activities under test may not be started from within the UI thread.
* If your test method is annotated with {@link android.test.UiThreadTest}, then you must call
* {@link #setActivityInitialTouchMode(boolean)} from {@link #setUp()}.
*
* @param initialTouchMode true if the Activity should be placed into "touch mode" when started
*/
public void setActivityInitialTouchMode(boolean initialTouchMode) {
mInitialTouchMode = initialTouchMode;
}
@Override
protected void setUp() throws Exception {
super.setUp();
boolean mInitialTouchMode = false;
Intent mActivityIntent = null;
}
@Override
protected void tearDown() throws Exception {
// Finish the Activity off (unless was never launched anyway)
Activity a = super.getActivity();
if (a != null) {
a.finish();
setActivity(null);
}
// Scrub out members - protects against memory leaks in the case where someone
// creates a non-static inner class (thus referencing the test case) and gives it to
// someone else to hold onto
scrubClass(ActivityInstrumentationTestCase2.class);
super.tearDown();
}
/**
* Runs the current unit test. If the unit test is annotated with
* {@link android.test.UiThreadTest}, force the Activity to be created before switching to
* the UI thread.
*/
@Override
protected void runTest() throws Throwable {
try {
Method method = getClass().getMethod(getName(), (Class[]) null);
if (method.isAnnotationPresent(UiThreadTest.class)) {
getActivity();
}
} catch (Exception e) {
// eat the exception here; super.runTest() will catch it again and handle it properly
}
super.runTest();
}
}
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