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Give the tests the ability to emulate other devices screens

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This code contains utility clases that can change the display
of a device and make it look like another device.
The function DisplayEmulator#emulate receives a DeviceEmulationData
a certain grid to emulate and a callback, everyting that happens
inside of the callback will happen when the device is being emulated
and can be used by other tests.

Example test:
package com.android.launcher3.deviceemulator;
import androidx.test.ext.junit.runners.AndroidJUnit4;
import androidx.test.filters.MediumTest;
import com.android.launcher3.deviceemulator.models.DeviceEmulationData;
import com.android.launcher3.ui.AbstractLauncherUiTest;
import org.junit.Test;
import org.junit.runner.RunWith;
import java.util.concurrent.TimeUnit;

@MediumTest
@RunWith(AndroidJUnit4.class)
public class TestTest extends AbstractLauncherUiTest {
    @Test
    public void testEmulation() throws Exception {
        String deviceCode = "pixel6pro";
        DeviceEmulationData deviceData = DeviceEmulationData.getDevice(deviceCode);
        String grid = "normal";
        DisplayEmulator displayEmulator = new DisplayEmulator(mTargetContext);

        displayEmulator.emulate(deviceData, grid, () ->{
            TimeUnit.SECONDS.sleep(10);
            return true;
        });
    }
}

Test: You could use the test above to make your device look like a
Pixel6 pro for 10 secons.
Fix: 229028257

Change-Id: Icd79be405a2e14dda0bc5f555b0e46149e16f912
This commit is contained in:
Sebastian Franco
2022-03-25 13:49:59 -07:00
parent 795a9a8cee
commit 00aff95ac0
6 changed files with 390 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
src/com/android/launcher3/util/DisplayController.java
View File

@@ -242,7 +242,9 @@ public class DisplayController implements ComponentCallbacks, SafeCloseable {
change |= CHANGE_SUPPORTED_BOUNDS;
Point currentS = newInfo.currentSize;
Point expectedS = oldInfo.mPerDisplayBounds.get(newInfo.displayId).first.size;
Pair<CachedDisplayInfo, WindowBounds[]> cachedBounds =
oldInfo.mPerDisplayBounds.get(newInfo.displayId);
Point expectedS = cachedBounds == null ? null : cachedBounds.first.size;
if (newInfo.supportedBounds.size() != oldInfo.supportedBounds.size()) {
Log.e("b/198965093",
"Inconsistent number of displays"
@@ -250,10 +252,12 @@ public class DisplayController implements ComponentCallbacks, SafeCloseable {
+ "\noldInfo.supportedBounds: " + oldInfo.supportedBounds
+ "\nnewInfo.supportedBounds: " + newInfo.supportedBounds);
}
if ((Math.min(currentS.x, currentS.y) != Math.min(expectedS.x, expectedS.y)
if (expectedS != null
&& (Math.min(currentS.x, currentS.y) != Math.min(expectedS.x, expectedS.y)
|| Math.max(currentS.x, currentS.y) != Math.max(expectedS.x, expectedS.y))
&& display.getState() == Display.STATE_OFF) {
Log.e("b/198965093", "Display size changed while display is off, ignoring change");
Log.e("b/198965093",
"Display size changed while display is off, ignoring change");
return;
}
}