DetailsFragmentTest.java revision 180dc4030628425a8081fe058bdc1d529c505ae8 
1/*
2 * Copyright (C) 2016 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 */
16package android.support.v17.leanback.app;
17
18import static org.junit.Assert.assertEquals;
19
20import android.content.Intent;
21import android.graphics.Rect;
22import android.graphics.drawable.ColorDrawable;
23import android.support.test.InstrumentationRegistry;
24import android.support.test.rule.ActivityTestRule;
25import android.support.v17.leanback.R;
26import android.support.v17.leanback.graphics.CompositeDrawable;
27import android.support.v17.leanback.graphics.FitWidthBitmapDrawable;
28import android.support.v17.leanback.testutils.PollingCheck;
29import android.test.suitebuilder.annotation.MediumTest;
30import android.view.View;
31
32import org.junit.Rule;
33import org.junit.Test;
34import org.junit.runner.RunWith;
35import org.junit.runners.JUnit4;
36
37/**
38 * Unit tests for {@link DetailsTestFragment}.
39 */
40@RunWith(JUnit4.class)
41@MediumTest
42public class DetailsFragmentTest {
43
44    @Rule
45    public ActivityTestRule<DetailsFragmentTestActivity> activityTestRule =
46            new ActivityTestRule<>(DetailsFragmentTestActivity.class, false, false);
47    private DetailsFragmentTestActivity mActivity;
48
49    @Test
50    public void parallaxTest() throws InterruptedException {
51        final int mDefaultVerticalOffset = -300;
52        Intent intent = new Intent();
53        intent.putExtra(DetailsTestFragment.VERTICAL_OFFSET, mDefaultVerticalOffset);
54        mActivity = activityTestRule.launchActivity(intent);
55
56        final DetailsTestFragment detailsFragment = mActivity.getDetailsFragment();
57        DetailsBackgroundParallaxHelper parallaxHelper = detailsFragment.getParallaxHelper();
58        final CompositeDrawable drawable = (CompositeDrawable) parallaxHelper.getDrawable();
59        final FitWidthBitmapDrawable bitmapDrawable = (FitWidthBitmapDrawable)
60                (drawable.getChildAt(0).getDrawable());
61
62        PollingCheck.waitFor(4000, new PollingCheck.PollingCheckCondition() {
63            @Override
64            public boolean canProceed() {
65                return mActivity.getDetailsFragment().getRowsFragment().getAdapter().size() > 1;
66            }
67        });
68
69        int windowHeight = mActivity.getWindow().getDecorView().getHeight();
70        int windowWidth = mActivity.getWindow().getDecorView().getWidth();
71
72        Rect bounds = drawable.getChildAt(0).getDrawable().getBounds();
73        assertEquals(windowWidth, bounds.width());
74        assertEquals(windowHeight / 2, bounds.height());
75        assertEquals(0, bitmapDrawable.getVerticalOffset());
76
77        InstrumentationRegistry.getInstrumentation().runOnMainSync(new Runnable() {
78            @Override
79            public void run() {
80                detailsFragment.getRowsFragment().getVerticalGridView().scrollToPosition(1);
81            }
82        });
83
84        PollingCheck.waitFor(4000, new PollingCheck.PollingCheckCondition() {
85            @Override
86            public boolean canProceed() {
87                return bitmapDrawable.getVerticalOffset() == mDefaultVerticalOffset;
88            }
89        });
90
91        bounds = drawable.getChildAt(0).getDrawable().getBounds();
92        assertEquals(0, bounds.height());
93        assertEquals(windowWidth, bounds.width());
94
95        View detailsFrame = mActivity.findViewById(R.id.details_frame);
96        int [] loc = new int[2];
97        detailsFrame.getLocationOnScreen(loc);
98        ColorDrawable colorDrawable = (ColorDrawable) (drawable.getChildAt(1).getDrawable());
99
100        assertEquals(windowWidth, colorDrawable.getBounds().width());
101        assertEquals(windowHeight - (loc[1] + detailsFrame.getHeight()),
102                colorDrawable.getBounds().height());
103    }
104}
105