HelpViewerTest.java

package de.blau.android;

import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.runner.RunWith;

import com.orhanobut.mockwebserverplus.MockWebServerPlus;

import android.app.Activity;
import android.app.Instrumentation;
import android.app.Instrumentation.ActivityMonitor;
import android.content.Context;
import android.support.test.InstrumentationRegistry;
import android.support.test.rule.ActivityTestRule;
import android.support.test.runner.AndroidJUnit4;
import android.test.suitebuilder.annotation.LargeTest;
import de.blau.android.prefs.AdvancedPrefDatabase;
import de.blau.android.prefs.Preferences;
import de.blau.android.resources.TileLayerServer;

@RunWith(AndroidJUnit4.class)
@LargeTest
public class HelpViewerTest {
	
	MockWebServerPlus mockServer = null;
	Context context = null;
	ActivityMonitor monitor = null;
	AdvancedPrefDatabase prefDB = null;
	Instrumentation instrumentation = null;
	Main main = null;
	
    @Rule
    public ActivityTestRule<Main> mActivityRule = new ActivityTestRule<>(Main.class);

    @Before
    public void setup() {
    	instrumentation = InstrumentationRegistry.getInstrumentation();
		context = instrumentation.getTargetContext();
		monitor = instrumentation.addMonitor(HelpViewer.class.getName(), null, false);
		main = (Main)mActivityRule.getActivity(); 
		Preferences prefs = new Preferences(context);
		prefs.setBackGroundLayer(TileLayerServer.LAYER_NONE); // try to avoid downloading tiles
		main.getMap().setPrefs(main, prefs);
    }
    
    @After
    public void teardown() {
    	instrumentation.removeMonitor(monitor);
    }
    
    @Test
	public void startHelp() {
    	HelpViewer.start(main, R.string.help_main);
    	Activity helpViewer = instrumentation.waitForMonitorWithTimeout(monitor, 30000);
    	Assert.assertTrue(helpViewer instanceof HelpViewer);
    }
}