DetailsFragmentTest.java revision 34b46f02a89224481777e7de93d6e22e45e41e96 
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.filters.MediumTest;
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.support.v17.leanback.widget.VerticalGridView;
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 Throwable {
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        final VerticalGridView verticalGridView = mActivity.getDetailsFragment()
70                .getRowsFragment().getVerticalGridView();
71        final int windowHeight = verticalGridView.getHeight();
72        final int windowWidth = verticalGridView.getWidth();
73        // make sure background manager attached to window is same size as VerticalGridView
74        // i.e. no status bar.
75        assertEquals(windowHeight, mActivity.getWindow().getDecorView().getHeight());
76        assertEquals(windowWidth, mActivity.getWindow().getDecorView().getWidth());
77
78        final View detailsFrame = verticalGridView.findViewById(R.id.details_frame);
79
80        assertEquals(windowWidth, bitmapDrawable.getBounds().width());
81
82        final Rect detailsFrameRect = new Rect();
83        detailsFrameRect.set(0, 0, detailsFrame.getWidth(), detailsFrame.getHeight());
84        verticalGridView.offsetDescendantRectToMyCoords(detailsFrame, detailsFrameRect);
85
86        assertEquals(Math.min(windowHeight, detailsFrameRect.top),
87                bitmapDrawable.getBounds().height());
88        assertEquals(0, bitmapDrawable.getVerticalOffset());
89
90        activityTestRule.runOnUiThread(new Runnable() {
91            @Override
92            public void run() {
93                verticalGridView.scrollToPosition(1);
94            }
95        });
96
97        PollingCheck.waitFor(4000, new PollingCheck.PollingCheckCondition() {
98            @Override
99            public boolean canProceed() {
100                return bitmapDrawable.getVerticalOffset() == mDefaultVerticalOffset;
101            }
102        });
103
104        detailsFrameRect.set(0, 0, detailsFrame.getWidth(), detailsFrame.getHeight());
105        verticalGridView.offsetDescendantRectToMyCoords(detailsFrame, detailsFrameRect);
106
107        assertEquals(0, bitmapDrawable.getBounds().top);
108        assertEquals(Math.max(detailsFrameRect.top, 0), bitmapDrawable.getBounds().bottom);
109        assertEquals(windowWidth, bitmapDrawable.getBounds().width());
110
111        ColorDrawable colorDrawable = (ColorDrawable) (drawable.getChildAt(1).getDrawable());
112        assertEquals(windowWidth, colorDrawable.getBounds().width());
113        assertEquals(detailsFrameRect.bottom, colorDrawable.getBounds().top);
114        assertEquals(windowHeight, colorDrawable.getBounds().bottom);
115    }
116}
117