| /* |
| * Copyright 2022 The Android Open Source Project |
| * |
| * 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 androidx.wear.tiles.material.layouts; |
| |
| import static androidx.test.core.app.ApplicationProvider.getApplicationContext; |
| import static androidx.wear.tiles.material.RunnerUtils.SCREEN_HEIGHT; |
| import static androidx.wear.tiles.material.RunnerUtils.SCREEN_WIDTH; |
| import static androidx.wear.tiles.material.RunnerUtils.runSingleScreenshotTest; |
| import static androidx.wear.tiles.material.layouts.TestCasesGenerator.XXXL_SCALE_SUFFIX; |
| import static androidx.wear.tiles.material.layouts.TestCasesGenerator.generateTestCases; |
| |
| import android.content.Context; |
| import android.util.DisplayMetrics; |
| |
| import androidx.annotation.Dimension; |
| import androidx.test.filters.LargeTest; |
| import androidx.test.filters.SdkSuppress; |
| import androidx.test.platform.app.InstrumentationRegistry; |
| import androidx.test.screenshot.AndroidXScreenshotTestRule; |
| |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| |
| import java.util.Collection; |
| import java.util.Map; |
| import java.util.stream.Collectors; |
| |
| @RunWith(Parameterized.class) |
| @LargeTest |
| @SuppressWarnings("deprecation") |
| public class LayoutsGoldenXLTest { |
| /* We set DisplayMetrics in the data() method for creating test cases. However, when running all |
| tests together, first all parametrization (data()) methods are called, and then individual |
| tests, causing that actual DisplayMetrics will be different. So we need to restore it before |
| each test. */ |
| private static final DisplayMetrics DISPLAY_METRICS_FOR_TEST = new DisplayMetrics(); |
| private static final DisplayMetrics OLD_DISPLAY_METRICS = new DisplayMetrics(); |
| |
| private static final float FONT_SCALE_XXXL = 1.24f; |
| |
| private final androidx.wear.tiles.LayoutElementBuilders.LayoutElement mLayoutElement; |
| private final String mExpected; |
| |
| @Rule |
| public AndroidXScreenshotTestRule mScreenshotRule = |
| new AndroidXScreenshotTestRule("wear/wear-tiles-material"); |
| |
| public LayoutsGoldenXLTest( |
| String expected, |
| androidx.wear.tiles.LayoutElementBuilders.LayoutElement layoutElement) { |
| mLayoutElement = layoutElement; |
| mExpected = expected; |
| } |
| |
| @Dimension(unit = Dimension.DP) |
| static int pxToDp(int px, float scale) { |
| return (int) ((px - 0.5f) / scale); |
| } |
| |
| @Parameterized.Parameters(name = "{0}") |
| // TODO(b/267744228): Remove the warning suppression. |
| @SuppressWarnings("deprecation") |
| public static Collection<Object[]> data() { |
| Context context = InstrumentationRegistry.getInstrumentation().getTargetContext(); |
| DisplayMetrics currentDisplayMetrics = new DisplayMetrics(); |
| DisplayMetrics displayMetrics = context.getResources().getDisplayMetrics(); |
| currentDisplayMetrics.setTo(displayMetrics); |
| displayMetrics.scaledDensity *= FONT_SCALE_XXXL; |
| |
| InstrumentationRegistry.getInstrumentation() |
| .getContext() |
| .getResources() |
| .getDisplayMetrics() |
| .setTo(displayMetrics); |
| InstrumentationRegistry.getInstrumentation() |
| .getTargetContext() |
| .getResources() |
| .getDisplayMetrics() |
| .setTo(displayMetrics); |
| |
| DISPLAY_METRICS_FOR_TEST.setTo(displayMetrics); |
| |
| float scale = displayMetrics.density; |
| androidx.wear.tiles.DeviceParametersBuilders.DeviceParameters deviceParameters = |
| new androidx.wear.tiles.DeviceParametersBuilders.DeviceParameters.Builder() |
| .setScreenWidthDp(pxToDp(SCREEN_WIDTH, scale)) |
| .setScreenHeightDp(pxToDp(SCREEN_HEIGHT, scale)) |
| .setScreenDensity(displayMetrics.density) |
| // TODO(b/231543947): Add test cases for round screen. |
| .setScreenShape( |
| androidx.wear.tiles.DeviceParametersBuilders.SCREEN_SHAPE_RECT) |
| .build(); |
| |
| Map<String, androidx.wear.tiles.LayoutElementBuilders.LayoutElement> testCases = |
| generateTestCases(context, deviceParameters, XXXL_SCALE_SUFFIX); |
| |
| // Restore state before this method, so other test have correct context. This is needed here |
| // too, besides in restoreBefore and restoreAfter as the test cases builder uses the context |
| // to apply font scaling, so we need that display metrics passed in. However, after |
| // generating cases we need to restore the state as other data() methods in this package can |
| // work correctly with the default state, as when the tests are run, first all data() static |
| // methods are called, and then parameterized test cases. |
| InstrumentationRegistry.getInstrumentation() |
| .getContext() |
| .getResources() |
| .getDisplayMetrics() |
| .setTo(currentDisplayMetrics); |
| InstrumentationRegistry.getInstrumentation() |
| .getTargetContext() |
| .getResources() |
| .getDisplayMetrics() |
| .setTo(currentDisplayMetrics); |
| |
| return testCases.entrySet().stream() |
| .map(test -> new Object[] {test.getKey(), test.getValue()}) |
| .collect(Collectors.toList()); |
| } |
| |
| @Parameterized.BeforeParam |
| public static void restoreBefore() { |
| // Set the state as it was in data() method when we generated test cases. This was |
| // overridden by other static data() methods, so we need to restore it. |
| OLD_DISPLAY_METRICS.setTo(getApplicationContext().getResources().getDisplayMetrics()); |
| getApplicationContext().getResources().getDisplayMetrics().setTo(DISPLAY_METRICS_FOR_TEST); |
| } |
| |
| @Parameterized.AfterParam |
| public static void restoreAfter() { |
| // Restore the state to default, so the other tests and emulator have the correct starter |
| // state. |
| getApplicationContext().getResources().getDisplayMetrics().setTo(OLD_DISPLAY_METRICS); |
| } |
| |
| @SdkSuppress(maxSdkVersion = 32) // b/271486183 |
| @Test |
| public void test() { |
| runSingleScreenshotTest(mScreenshotRule, mLayoutElement, mExpected); |
| } |
| } |
