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Makes it possible to robo-test Settings app fragments.

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This adds bunch of shadow/placeholder classes and logic to handle
references to Android internal resources or newly added classes/methods
that Robolectric hasn't yet picked up.

Developers can follow ManageApplicationsTest example to use the shadow
classes and the utility method to start ther fragment in their
robolectric tests.

Bug: 33431346
Test: This is a test improvement CL. RunSettingsRoboTests still passes.
Change-Id: I943ab871631cb8c368d9f9db481c00558c5c4d1f
This commit is contained in:
Jaewoong Jung
2016-11-30 15:45:53 -08:00
parent 276e3b7a5e
commit bccd652503
7 changed files with 261 additions and 2 deletions
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21
tests/robotests/src/com/android/settings/SettingsRobolectricTestRunner.java
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@@ -15,15 +15,23 @@
*/
package com.android.settings;
import android.app.Activity;
import android.app.Fragment;
import android.content.Intent;
import org.junit.runners.model.InitializationError;
import org.robolectric.RobolectricTestRunner;
import org.robolectric.annotation.Config;
import org.robolectric.manifest.AndroidManifest;
import org.robolectric.res.Fs;
import org.robolectric.res.ResourcePath;
import org.robolectric.util.ActivityController;
import org.robolectric.util.ReflectionHelpers;
import java.util.List;
import static com.android.settings.SettingsActivity.EXTRA_SHOW_FRAGMENT;
import static org.robolectric.Robolectric.getShadowsAdapter;
/**
* Custom test runner for the testing of BluetoothPairingDialogs. This is needed because the
* default behavior for robolectric is just to grab the resource directory in the target package.
@@ -77,4 +85,15 @@ public class SettingsRobolectricTestRunner extends RobolectricTestRunner {
manifest.setPackageName("com.android.settings");
return manifest;
}
}
// A simple utility class to start a Settings fragment with an intent. The code here is almost
// the same as FragmentTestUtil.startFragment except that it starts an activity with an intent.
public static void startSettingsFragment(
Fragment fragment, Class<? extends SettingsActivity> activityClass) {
Intent intent = new Intent().putExtra(EXTRA_SHOW_FRAGMENT, fragment.getClass().getName());
SettingsActivity activity = ActivityController.of(
getShadowsAdapter(), ReflectionHelpers.callConstructor(activityClass), intent)
.setup().get();
activity.getFragmentManager().beginTransaction().add(fragment, null).commit();
}
}