Android example source code file (TestBrowserActivityTest.java)

This example Android source code file (TestBrowserActivityTest.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Android by Example" ^TM.

Java - Android tags/keywords

alltests, android, app, application, exception, faketestcase, google, intent, listview, onetestintestsuite, os, override, remoteexception, string, stubtestbrowsercontroller, testbrowseractivity, testcase, testsuite, ui, unexpected

The TestBrowserActivityTest.java Android example source code

/*
 * Copyright (C) 2007 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.app.Instrumentation;
import android.content.Intent;
import android.net.Uri;
import android.os.RemoteException;
import android.os.ServiceManager;
import android.view.IWindowManager;
import android.widget.ListView;

import com.google.android.collect.Lists;

import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;

import java.util.List;

public class TestBrowserActivityTest extends InstrumentationTestCase {

    private TestBrowserActivity mTestBrowserActivity;
    private StubTestBrowserController mTestBrowserController;

    @Override
    protected void setUp() throws Exception {
        super.setUp();
        StubTestBrowserActivity.setTopTestSuite(null);
        mTestBrowserController = new StubTestBrowserController();
        ServiceLocator.setTestBrowserController(mTestBrowserController);
    }

    @Override
    protected void tearDown() throws Exception {
        if (mTestBrowserActivity != null) {
            mTestBrowserActivity.finish();
        }
        mTestBrowserActivity = null;
        super.tearDown();
    }

    public void testEmptyListContent() throws Exception {
        StubTestBrowserActivity.setTopTestSuite(new TestSuite());

        mTestBrowserActivity = createActivity();

        ListView listView = getListView();
        // There is always an item on the list for running all tests.
        assertEquals("Unexpected number of items on list view.", 1, listView.getCount());

        assertEquals("Stubbed Test Browser", mTestBrowserActivity.getTitle().toString());
    }

    public void testOneListContent() throws Exception {
        List<String> testCaseNames = Lists.newArrayList("AllTests");
        StubTestBrowserActivity.setTopTestSuite(createTestSuite(testCaseNames));

        mTestBrowserActivity = createActivity();

        ListView listView = getListView();
        assertListViewContents(testCaseNames, listView);
    }

    public void testListWithTestCases() throws Exception {
        List<String> testCaseNames = Lists.newArrayList("AllTests", "Apples", "Bananas", "Oranges");
        StubTestBrowserActivity.setTopTestSuite(createTestSuite(testCaseNames));

        mTestBrowserActivity = createActivity();

        ListView listView = getListView();
        assertListViewContents(testCaseNames, listView);
    }

    public void testListWithTestSuite() throws Exception {
        List<String> testCaseNames = Lists.newArrayList(OneTestTestCase.class.getSimpleName());
        StubTestBrowserActivity.setTopTestSuite(new OneTestInTestSuite());

        mTestBrowserActivity = createActivity();

        ListView listView = getListView();
        assertListViewContents(testCaseNames, listView);
    }

    public void testSelectATestCase() throws Exception {
        List<String> testCaseNames = Lists.newArrayList("AllTests");
        TestSuite testSuite = createTestSuite(testCaseNames);
        StubTestBrowserActivity.setTopTestSuite(testSuite);

        mTestBrowserController.setTestCase(OneTestTestCase.class);
        mTestBrowserActivity = createActivity();

        Instrumentation.ActivityMonitor activityMonitor = getInstrumentation().addMonitor(
                TestBrowserControllerImpl.TEST_RUNNER_ACTIVITY_CLASS_NAME, null, false);
        try {
            assertEquals(0, activityMonitor.getHits());

            ListView listView = getListView();
            int invokedTestCaseIndex = 0;
            listView.performItemClick(listView, invokedTestCaseIndex, 0);

            Activity activity = activityMonitor.waitForActivityWithTimeout(2000);
            assertNotNull(activity);
            try {
                assertEquals(1, activityMonitor.getHits());
                assertEquals(invokedTestCaseIndex, mTestBrowserController.getLastPosition());
            } finally {
                activity.finish();
            }
        } finally {
            getInstrumentation().removeMonitor(activityMonitor);
        }
    }

    public void testCreateFromIntentWithOneTest() throws Exception {
        List<String> testCaseNames = Lists.newArrayList("testOne");

        mTestBrowserActivity = launchTestBrowserActivity(new TestSuite(OneTestTestCase.class));

        ListView listView = getListView();
        assertListViewContents(testCaseNames, listView);
    }

    public void testUpdateListOnStart() throws Exception {
        StubTestBrowserActivity.setTopTestSuite(new TestSuite());

        mTestBrowserActivity = createActivity();

        ListView listView = getListView();
        assertEquals("Unexpected number of items on list view.", 1, listView.getCount());

        List<String> testCaseNames = Lists.newArrayList("AllTests");
        StubTestBrowserActivity.setTopTestSuite(createTestSuite(testCaseNames));

        getInstrumentation().runOnMainSync(new Runnable() {
            public void run() {
                ((StubTestBrowserActivity) mTestBrowserActivity).onStart();
            }
        });

        listView = getListView();
        assertListViewContents(testCaseNames, listView);
    }

    public void testTitleHasTestSuiteName() throws Exception {
        final String testSuiteName = "com.android.TestSuite";
        StubTestBrowserActivity.setTopTestSuite(new TestSuite(testSuiteName));

        mTestBrowserActivity = createActivity();

        assertEquals("TestSuite", mTestBrowserActivity.getTitle().toString());
    }
    
    private TestSuite createTestSuite(List<String> testCaseNames) {
        return createTestSuite(testCaseNames.toArray(new String[testCaseNames.size()]));
    }

    private TestSuite createTestSuite(String... testCaseNames) {
        TestSuite testSuite = new TestSuite();
        for (String testCaseName : testCaseNames) {
            testSuite.addTest(new FakeTestCase(testCaseName));
        }

        return testSuite;
    }

    public static class FakeTestCase extends TestCase {
        public FakeTestCase(String name) {
            super(name);
        }
    }

    public static class OneTestTestCase extends TestCase {
        public void testOne() throws Exception {
        }
    }

    public static class OneTestInTestSuite extends TestSuite {
        public static Test suite() {
            TestSuite suite = new TestSuite(OneTestInTestSuite.class.getName());
            suite.addTestSuite(OneTestTestCase.class);
            return suite;
        }
    }

    private void assertListViewContents(List<String> expectedTestCaseNames, ListView listView) {
        assertEquals("Run All", listView.getItemAtPosition(0).toString());
        assertEquals("Unexpected number of items on list view.",
                expectedTestCaseNames.size() + 1, listView.getCount());
        for (int i = 0; i < expectedTestCaseNames.size(); i++) {
            String expectedTestCaseName = expectedTestCaseNames.get(i);
            String actualTestCaseName = listView.getItemAtPosition(i + 1).toString();
            assertEquals("Unexpected test case name. Index: " + i,
                    expectedTestCaseName, actualTestCaseName);
        }
    }

    private ListView getListView() {
        return mTestBrowserActivity.getListView();
    }

    private TestBrowserActivity createActivity() throws RemoteException {
        return launchActivity(getAndroidPackageName(), StubTestBrowserActivity.class, null);
    }

    private Intent createIntent(TestSuite testSuite) {
        Intent intent = new Intent(Intent.ACTION_RUN);
        intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
        String className = StubTestBrowserActivity.class.getName();
        String packageName = getAndroidPackageName();
        intent.setClassName(packageName, className);
        intent.setData(Uri.parse(testSuite.getName()));
        return intent;
    }

    private String getAndroidPackageName() {
        String packageName = getInstrumentation().getTargetContext().getPackageName();
        return packageName;
    }

    private TestBrowserActivity launchTestBrowserActivity(TestSuite testSuite)
            throws RemoteException {
        getInstrumentation().setInTouchMode(false);

        TestBrowserActivity activity =
                (TestBrowserActivity) getInstrumentation().startActivitySync(
                        createIntent(testSuite));
        getInstrumentation().waitForIdleSync();
        return activity;
    }

    private static class StubTestBrowserController extends TestBrowserControllerImpl {
        private int mPosition;
        private Class<? extends TestCase> mTestCaseClass;

        public Intent getIntentForTestAt(int position) {
            mPosition = position;

            Intent intent = new Intent();
            intent.setAction(Intent.ACTION_RUN);

            String className = TestBrowserControllerImpl.TEST_RUNNER_ACTIVITY_CLASS_NAME;
            String testName = mTestCaseClass.getClass().getName();

            String packageName = className.substring(0, className.lastIndexOf("."));
            intent.setClassName(packageName, className);
            intent.setData(Uri.parse(testName));

            return intent;
        }

        public void setTestCase(Class<? extends TestCase> testCaseClass) {
            mTestCaseClass = testCaseClass;
        }

        public int getLastPosition() {
            return mPosition;
        }
    }
}