/* * Copyright (C) 2014 Tanner Perrien * * 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.picassotransformations; import static org.fest.assertions.api.ANDROID.assertThat; import static org.fest.assertions.api.Assertions.assertThat; import java.io.IOException; import java.io.InputStream; import java.net.HttpURLConnection; import java.net.URL; import org.junit.Test; import org.junit.runner.RunWith; import org.robolectric.RobolectricTestRunner; import org.robolectric.annotation.Config; import org.robolectric.shadows.ShadowBitmapFactory; import android.graphics.Bitmap; import com.squareup.picasso.Transformation; @RunWith(RobolectricTestRunner.class) @Config(manifest = Config.NONE) public abstract class BaseTransformationTest { private static final String TULIP_IMG_URL = "http://upload.wikimedia.org/wikipedia/commons/4/44/Tulip_-_floriade_canberra.jpg"; private static Bitmap sBitmap; protected Bitmap getCopyOfBitmap() { if (sBitmap == null) { try { URL url = new URL(TULIP_IMG_URL); HttpURLConnection connection = (HttpURLConnection) url.openConnection(); connection.setDoInput(true); connection.connect(); InputStream input = connection.getInputStream(); sBitmap = ShadowBitmapFactory.decodeStream(input); } catch (IOException e) { } } return sBitmap.copy(Bitmap.Config.ARGB_8888, false); } @Test public void checkTransform() throws Exception { Transformation t = getTransformation(); Bitmap copy = getCopyOfBitmap(); Bitmap bm = t.transform(copy); assertThat(bm).isNotNull(); assertThat(bm).isNotEqualTo(sBitmap); assertThat(copy).isRecycled(); } @Test public void checkKey() { assertThat(getTransformation().key()).isNotNull(); } protected abstract Transformation getTransformation(); }