Home | History | Annotate | Download | only in items
      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.annotation.StyleRes;
     22 import android.support.test.annotation.UiThreadTest;
     23 import android.support.test.filters.SmallTest;
     24 import android.support.test.rule.UiThreadTestRule;
     25 import android.support.test.runner.AndroidJUnit4;
     26 import android.view.ViewGroup;
     27 import android.widget.Button;
     28 import android.widget.LinearLayout;
     29 
     30 import com.android.setupwizardlib.R;
     31 import com.android.setupwizardlib.test.util.DrawingTestHelper;
     32 
     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 GLIF_ACCENT_COLOR = 0xff4285f4;
     42     private static final int GLIF_V3_ACCENT_COLOR = 0xff1a73e8;
     43 
     44     // These tests need to be run on UI thread because button uses ValueAnimator
     45     @Rule
     46     public UiThreadTestRule mUiThreadTestRule = new UiThreadTestRule();
     47 
     48     @Test
     49     @UiThreadTest
     50     public void drawButton_glif_shouldHaveAccentColoredButton()
     51             throws InstantiationException, IllegalAccessException {
     52         Button button = createButton(R.style.SuwThemeGlif_Light);
     53 
     54         DrawingTestHelper drawingTestHelper = new DrawingTestHelper(50, 50);
     55         drawingTestHelper.drawView(button);
     56 
     57         int accentPixelCount =
     58                 countPixelsWithColor(drawingTestHelper.getPixels(), GLIF_ACCENT_COLOR);
     59         assertTrue("> 10 pixels should be #4285f4. Found " + accentPixelCount,
     60                 accentPixelCount > 10);
     61     }
     62 
     63     @Test
     64     @UiThreadTest
     65     public void drawButton_glifV3_shouldHaveAccentColoredButton()
     66             throws InstantiationException, IllegalAccessException {
     67         Button button = createButton(R.style.SuwThemeGlifV3_Light);
     68 
     69         DrawingTestHelper drawingTestHelper = new DrawingTestHelper(50, 50);
     70         drawingTestHelper.drawView(button);
     71 
     72         int accentPixelCount =
     73                 countPixelsWithColor(drawingTestHelper.getPixels(), GLIF_V3_ACCENT_COLOR);
     74         assertTrue("> 10 pixels should be #1a73e8. Found " + accentPixelCount,
     75                 accentPixelCount > 10);
     76     }
     77 
     78     private Button createButton(@StyleRes int theme)
     79             throws InstantiationException, IllegalAccessException {
     80         final ViewGroup parent = new LinearLayout(DrawingTestHelper.createCanvasActivity(theme));
     81         TestButtonItem item = new TestButtonItem();
     82         item.setTheme(R.style.SuwButtonItem_Colored);
     83         item.setText("foobar");
     84 
     85         return item.createButton(parent);
     86     }
     87 
     88     private int countPixelsWithColor(int[] pixels, int color) {
     89         int count = 0;
     90         for (int pixel : pixels) {
     91             if (pixel == color) {
     92                 count++;
     93             }
     94         }
     95         return count;
     96     }
     97 
     98     private static class TestButtonItem extends ButtonItem {
     99 
    100         @Override
    101         public Button createButton(ViewGroup parent) {
    102             // Make this method public for testing
    103             return super.createButton(parent);
    104         }
    105     }
    106 }
    107