/*
* Copyright (C) 2012 uPhyca Inc. http://www.uphyca.com/
*
* 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 com.uphyca.testing.junit3.support.v4;
import java.lang.reflect.Field;
import java.lang.reflect.Modifier;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.test.InstrumentationTestCase;
import com.uphyca.testing.support.v4.FragmentInstrumentation;
/**
* This is common code used to support Fragment test cases. For more useful
* classes, please see
* {@link com.uphyca.testing.junit3.support.v4.v4.FragmentUnitTestCase} and
* {@link com.uphyca.testing.junit3.support.v4.v4.FragmentInstrumentationTestCase}
* .
*/
public class FragmentTestCase extends InstrumentationTestCase {
private FragmentInstrumentation mFragmentInstrumentation;
private FragmentManager mFragmentManager;
public FragmentTestCase() {
mFragmentInstrumentation = new FragmentInstrumentation();
}
public FragmentInstrumentation getFragmentInstrumentation() {
return mFragmentInstrumentation;
}
public void injectSupportInstrumentation(FragmentInstrumentation instrumentation) {
mFragmentInstrumentation = instrumentation;
}
/**
* The fragment that will be set up for use in each test method.
*/
private Fragment mFragment;
/**
* @return Returns the fragment under test.
*/
protected Fragment getFragment() {
return mFragment;
}
/**
* Set the fragment under test.
*
* @param testFragment
* The fragment under test
*/
protected void setFragment(Fragment testFragment) {
if (testFragment != null) {
mFragmentInstrumentation.setFragmentManager(testFragment.getFragmentManager());
}
mFragment = testFragment;
}
/**
* @return Returns the fragment manager associated the fragment under test.
*/
protected FragmentManager getFragmentManager() {
throw new UnsupportedOperationException();
}
/**
* This function is called by various TestCase implementations, at
* tearDown() time, in order to scrub out any class variables. This protects
* against memory leaks in the case where a test case creates a non-static
* inner class (thus referencing the test case) and gives it to someone else
* to hold onto.
*
* @param testCaseClass
* The class of the derived TestCase implementation.
*
* @throws IllegalAccessException
*/
protected void scrubClass(final Class<?> testCaseClass) throws IllegalAccessException {
final Field[] fields = getClass().getDeclaredFields();
for (Field field : fields) {
final Class<?> fieldClass = field.getDeclaringClass();
if (testCaseClass.isAssignableFrom(fieldClass) && !field.getType()
.isPrimitive() && (field.getModifiers() & Modifier.FINAL) == 0) {
try {
field.setAccessible(true);
field.set(this, null);
} catch (Exception e) {
android.util.Log.d("TestCase", "Error: Could not nullify field!");
}
if (field.get(this) != null) {
android.util.Log.d("TestCase", "Error: Could not nullify field!");
}
}
}
}
}