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package com.xtremelabs.robolectric.shadows;
import android.app.Activity;
import android.content.res.Configuration;
import android.content.res.Resources;
import android.content.res.XmlResourceParser;
import android.graphics.drawable.AnimationDrawable;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.ColorDrawable;
import android.graphics.drawable.NinePatchDrawable;
import com.xtremelabs.robolectric.R;
import com.xtremelabs.robolectric.Robolectric;
import com.xtremelabs.robolectric.TestRunners;
import com.xtremelabs.robolectric.annotation.Values;
import com.xtremelabs.robolectric.util.TestR;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.xmlpull.v1.XmlPullParser;
import static com.xtremelabs.robolectric.Robolectric.shadowOf;
import static org.hamcrest.CoreMatchers.equalTo;
import static org.hamcrest.CoreMatchers.instanceOf;
import static org.hamcrest.CoreMatchers.is;
import static org.hamcrest.CoreMatchers.notNullValue;
import static org.junit.Assert.assertThat;
import static org.junit.Assert.fail;
@RunWith(TestRunners.WithDefaults.class)
public class ResourcesTest {
private Resources resources;
private ShadowContextWrapper shadowApp;
@Before
public void setup() {
resources = new Activity().getResources();
shadowApp = shadowOf( Robolectric.application );
}
@Test(expected = Resources.NotFoundException.class)
public void getStringArray_shouldThrowExceptionIfNotFound() throws Exception {
resources.getStringArray(-1);
}
@Test
public void testConfiguration() {
Configuration configuration = resources.getConfiguration();
assertThat(configuration, notNullValue());
assertThat(configuration.locale, notNullValue());
}
@Test
public void testConfigurationReturnsTheSameInstance() {
assertThat(resources.getConfiguration(), is(resources.getConfiguration()));
}
@Test
public void testNewTheme() {
assertThat(resources.newTheme(), notNullValue());
}
/**
* a missing R.class will result in an BitmapDrawable getting returned
* by default
*/
@Test
public void testGetDrawableNullRClass() {
shadowApp.getResourceLoader().setLocalRClass( null );
assertThat( resources.getDrawable( TestR.anim.test_anim_1 ), instanceOf( BitmapDrawable.class ) );
}
/**
* given an R.anim.id value, will return an AnimationDrawable
*/
@Test
public void testGetAnimationDrawable() {
shadowApp.getResourceLoader().setLocalRClass( TestR.class );
assertThat( resources.getDrawable( TestR.anim.test_anim_1 ), instanceOf( AnimationDrawable.class ) );
}
@Test
@Values( qualifiers="fr" )
public void testGetValuesResFromSpecifiecQualifiers(){
String hello=resources.getString( R.string.hello );
assertThat( hello, equalTo( "Bonjour" ) );
}
/**
* given an R.color.id value, will return a ColorDrawable
*/
@Test
public void testGetColorDrawable() {
shadowApp.getResourceLoader().setLocalRClass( TestR.class );
assertThat( resources.getDrawable( TestR.color.test_color_1 ), instanceOf( ColorDrawable.class ) );
}
/**
* given an R.drawable.id value, will return a BitmapDrawable
*/
@Test
public void testGetBitmapDrawable() {
shadowApp.getResourceLoader().setLocalRClass( TestR.class );
assertThat( resources.getDrawable( TestR.drawable.test_drawable_1 ), instanceOf( BitmapDrawable.class ) );
}
/**
* given an R.drawable.id value, will return a NinePatchDrawable for .9.png file
*/
@Test
public void testGetNinePatchDrawable() {
assertThat(resources.getDrawable(R.drawable.nine_patch_drawable ), instanceOf(NinePatchDrawable.class ) );
}
/**
* given a value that doesn't in one of R's inner classes, will return a BitmapDrawable
*/
@Test
public void testGetBitmapDrawableForUnknownId() {
shadowApp.getResourceLoader().setLocalRClass( TestR.class );
assertThat(resources.getDrawable( Integer.MAX_VALUE ), instanceOf( BitmapDrawable.class ));
}
@Test
public void testDensity() {
Activity activity = new Activity();
assertThat(activity.getResources().getDisplayMetrics().density, equalTo(1f));
shadowOf(activity.getResources()).setDensity(1.5f);
assertThat(activity.getResources().getDisplayMetrics().density, equalTo(1.5f));
Activity anotherActivity = new Activity();
assertThat(anotherActivity.getResources().getDisplayMetrics().density, equalTo(1.5f));
}
@Test
public void displayMetricsShouldNotHaveLotsOfZeros() throws Exception {
Activity activity = new Activity();
assertThat(activity.getResources().getDisplayMetrics().heightPixels, equalTo(800));
assertThat(activity.getResources().getDisplayMetrics().widthPixels, equalTo(480));
}
@Test
public void testGetXml() throws Exception {
int resId = R.xml.preferences;
XmlResourceParser parser = resources.getXml(resId);
// Assert that a resource file is returned
assertThat(parser, notNullValue());
// Assert that the resource file is the preference screen
int event = -1;
do {
event = parser.next();
} while (event != XmlPullParser.START_TAG);
assertThat(parser.getName(), equalTo("PreferenceScreen"));
}
@Test
public void testGetXml_unexistentResource() {
try {
resources.getXml(0);
fail("Attempting to load a non existent resource should have raised an exception");
} catch (Resources.NotFoundException ex) {
// pass
}
}
}
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