Android Open Source - watchme Tabs Adapter Test

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License

The source code is released under:

Copyright (c) 2012 Johan Brook, Robin Andersson, Lisa Stenberg, Mattias Henriksson Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documen...

Java Source Code

package se.chalmers.watchmetest.activity;
//from   w  w  w.j  a va2  s  . c  o m
import android.support.v4.view.ViewPager;
import android.test.ActivityInstrumentationTestCase2;
import android.test.UiThreadTest;
import se.chalmers.watchme.activity.MainActivity;
import se.chalmers.watchme.activity.TabsAdapter;
import se.chalmers.watchme.ui.MovieListFragment;
import android.annotation.TargetApi;
import android.app.ActionBar;
import android.app.ActionBar.Tab;

/**
 * Class that tests functionality implemented in the TabsAdapter class.
 * 
 * @author mattiashenriksson
 * 
 */
public class TabsAdapterTest extends
    ActivityInstrumentationTestCase2<MainActivity> {

  public TabsAdapterTest() {
    super(MainActivity.class);
  }

  @Override
  protected void setUp() throws Exception {
    super.setUp();
  }

  // TODO fix api level
  /**
   * Test if it's possible to add to the tabs adapter
   */
  @TargetApi(11)
  @UiThreadTest
  public void testAddTab() {
    MainActivity mainActivity = this.getActivity();
    ActionBar actionBar = mainActivity.getActionBar();
    TabsAdapter tabsAdapter = new TabsAdapter(mainActivity, new ViewPager(
        mainActivity));

    // TODO: Smelly test?
    // better getting empty action bar or clearing action bar from
    // mainactivity?
    // actionBar.removeAllTabs() generated exception
    // Some tabs might have been added already, for example in
    // mainActivity.onCreate()
    int initialNrOfTabs = actionBar.getTabCount();

    int randomNr = (int) (Math.random() * 10 + 1);

    // Create and add random number of tabs
    for (int i = 1; i <= randomNr; i++) {
      Tab tab = actionBar.newTab().setText("tab" + i);
      tabsAdapter.addTab(tab, MovieListFragment.class, null);
    }
    // TODO: test tab.getTag()...
    // Returns inner class, how to do?

    // Test if tab was added in the TabsAdapter's internal list
    assertTrue(tabsAdapter.getCount() == randomNr);

    // Test if tab was added in the action bar
    assertTrue(actionBar.getTabCount() == randomNr + initialNrOfTabs);

  }

  // TODO: fix api level
  /**
   * Test if method changes the currently viewed tab
   */
  @TargetApi(11)
  @UiThreadTest
  public void testOnTabSelected() {
    MainActivity mainActivity = this.getActivity();
    ActionBar actionBar = mainActivity.getActionBar();
    ViewPager viewPager = new ViewPager(mainActivity);
    TabsAdapter tabsAdapter = new TabsAdapter(mainActivity, viewPager);

    // Create and add two tabs
    Tab tab1 = actionBar.newTab().setText("tab1");
    tabsAdapter.addTab(tab1, MovieListFragment.class, null);

    Tab tab2 = actionBar.newTab().setText("tab2");
    tabsAdapter.addTab(tab2, MovieListFragment.class, null);

    // TODO: possible change if less smelly: add getTabs() in TabsAdapter
    // and
    // use assertTrue(viewPager.getCurrentItem() ==
    // tabsAdapter.getTabs().indexOf(tab2))

    // Check that the view pager is changing viewed tab and viewing the
    // correct one
    tabsAdapter.onTabSelected(tab2, null);
    assertTrue(viewPager.getCurrentItem() == 1);

    tabsAdapter.onTabSelected(tab1, null);
    assertTrue(viewPager.getCurrentItem() == 0);

  }

  // TODO: fix api level
  /**
   * Test that getItem() returns correct values
   */
  @TargetApi(11)
  @UiThreadTest
  public void testGetItem() {
    MainActivity mainActivity = this.getActivity();
    ActionBar actionBar = mainActivity.getActionBar();
    TabsAdapter tabsAdapter = new TabsAdapter(mainActivity, new ViewPager(
        mainActivity));

    // Create and add tab
    Tab tab = actionBar.newTab().setText("tab");
    tabsAdapter.addTab(tab, MovieListFragment.class, null);

    assertTrue(tabsAdapter.getItem(0).getClass() == MovieListFragment.class);
  }

  // TODO: fix api level
  /**
   * Test that getCount() is returning the current number of tabs added to the
   * TabsAdapter
   */
  @TargetApi(11)
  @UiThreadTest
  public void testGetCount() {
    MainActivity mainActivity = this.getActivity();
    ActionBar actionBar = mainActivity.getActionBar();
    TabsAdapter tabsAdapter = new TabsAdapter(mainActivity, new ViewPager(
        mainActivity));

    int randomNr = (int) (Math.random() * 10 + 1);

    // Add random number of tabs
    for (int i = 0; i < randomNr; i++) {
      Tab tab = actionBar.newTab().setText("tab");
      tabsAdapter.addTab(tab, MovieListFragment.class, null);
    }

    assertTrue(tabsAdapter.getCount() == randomNr);

  }

}

Java Source Code List

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