michael@0: /* Any copyright is dedicated to the Public Domain.
michael@0:    http://creativecommons.org/publicdomain/zero/1.0/ */
michael@0: 
michael@0: package org.mozilla.gecko.background.helpers;
michael@0: 
michael@0: import java.io.File;
michael@0: 
michael@0: import android.app.Activity;
michael@0: import android.content.Context;
michael@0: import android.content.SharedPreferences;
michael@0: import android.test.ActivityInstrumentationTestCase2;
michael@0: import java.util.UUID;
michael@0: 
michael@0: import org.mozilla.gecko.background.common.GlobalConstants;
michael@0: 
michael@0: import org.mozilla.gecko.background.common.TestUtils;
michael@0: 
michael@0: public abstract class FakeProfileTestCase extends ActivityInstrumentationTestCase2<Activity> {
michael@0: 
michael@0:   protected Context context;
michael@0:   protected File fakeProfileDirectory;
michael@0:   private String sharedPrefsName;
michael@0: 
michael@0:   public FakeProfileTestCase() {
michael@0:     super(Activity.class);
michael@0:   }
michael@0: 
michael@0:   /**
michael@0:    * Returns the profile cache suffix. This is computed once for each test function (in setUp()).
michael@0:    * Note that the return value is not cached.
michael@0:    */
michael@0:   protected String getCacheSuffix() {
michael@0:     return this.getClass().getName() + "-" + System.currentTimeMillis();
michael@0:   }
michael@0: 
michael@0:   @Override
michael@0:   protected void setUp() throws Exception {
michael@0:     super.setUp();
michael@0:     context = getInstrumentation().getTargetContext();
michael@0:     File cache = context.getCacheDir();
michael@0:     fakeProfileDirectory = new File(cache.getAbsolutePath() + getCacheSuffix());
michael@0:     if (fakeProfileDirectory.exists()) {
michael@0:       TestUtils.deleteDirectoryRecursively(fakeProfileDirectory);
michael@0:     }
michael@0:     if (!fakeProfileDirectory.mkdir()) {
michael@0:       throw new IllegalStateException("Could not create temporary directory.");
michael@0:     }
michael@0:     // Class name of the form: ActivityInstrumentationTestCase2$FakeProfileTestCase$extendingClass.
michael@0:     sharedPrefsName = this.getClass().getName() + "-" + UUID.randomUUID();
michael@0:   }
michael@0: 
michael@0:   @Override
michael@0:   protected void tearDown() throws Exception {
michael@0:     TestUtils.deleteDirectoryRecursively(fakeProfileDirectory);
michael@0:     super.tearDown();
michael@0:   }
michael@0: 
michael@0:   public SharedPreferences getSharedPreferences() {
michael@0:     return context.getSharedPreferences(sharedPrefsName, GlobalConstants.SHARED_PREFERENCES_MODE);
michael@0:   }
michael@0: }