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      1 /*
      2  * Copyright (C) 2017 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.setupwizardlib.items;
     18 
     19 import static org.junit.Assert.assertTrue;
     20 
     21 import android.support.test.annotation.UiThreadTest;
     22 import android.support.test.filters.SmallTest;
     23 import android.support.test.rule.UiThreadTestRule;
     24 import android.support.test.runner.AndroidJUnit4;
     25 import android.view.ViewGroup;
     26 import android.widget.Button;
     27 import android.widget.LinearLayout;
     28 
     29 import com.android.setupwizardlib.R;
     30 import com.android.setupwizardlib.test.util.DrawingTestHelper;
     31 
     32 import org.junit.Before;
     33 import org.junit.Rule;
     34 import org.junit.Test;
     35 import org.junit.runner.RunWith;
     36 
     37 @SmallTest
     38 @RunWith(AndroidJUnit4.class)
     39 public class ButtonItemDrawingTest {
     40 
     41     private static final int GOOGLE_BLUE = 0xff4285f4;
     42 
     43     // These tests need to be run on UI thread because button uses ValueAnimator
     44     @Rule
     45     public UiThreadTestRule mUiThreadTestRule = new UiThreadTestRule();
     46 
     47     private ViewGroup mParent;
     48 
     49     @Before
     50     public void setUp() throws Exception {
     51         mParent = new LinearLayout(
     52                 DrawingTestHelper.createCanvasActivity(R.style.SuwThemeGlif_Light));
     53     }
     54 
     55     @Test
     56     @UiThreadTest
     57     public void testColoredButtonTheme() {
     58         TestButtonItem item = new TestButtonItem();
     59         item.setTheme(R.style.SuwButtonItem_Colored);
     60         item.setText("foobar");
     61 
     62         final Button button = item.createButton(mParent);
     63 
     64         DrawingTestHelper drawingTestHelper = new DrawingTestHelper(50, 50);
     65         drawingTestHelper.drawView(button);
     66 
     67         int googleBluePixelCount = 0;
     68         for (int pixel : drawingTestHelper.getPixels()) {
     69             if (pixel == GOOGLE_BLUE) {
     70                 googleBluePixelCount++;
     71             }
     72         }
     73         assertTrue("> 10 pixels should be Google blue. Found " + googleBluePixelCount,
     74                 googleBluePixelCount > 10);
     75     }
     76 
     77     private static class TestButtonItem extends ButtonItem {
     78 
     79         @Override
     80         public Button createButton(ViewGroup parent) {
     81             // Make this method public for testing
     82             return super.createButton(parent);
     83         }
     84     }
     85 }
     86