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Checking Launcher internal integrity from tests

Browse Source 
In particular, we check that the stable Launcher state equals its
current state. This can help detect Launcher being in a corrupted state
as in b/133867119.

The check gets called by tests when the Launcher is not transitioning
from state to state.

Bug: 137307838
Change-Id: I3d36edff35e42d14be6b9a52351bd6f709be75e8
This commit is contained in:
vadimt
2019-07-23 17:30:04 -07:00
parent 068f4bde88
commit 0dd1c782f0
2 changed files with 87 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

71
tests/src/com/android/launcher3/ui/AbstractLauncherUiTest.java
View File

@@ -17,6 +17,7 @@ package com.android.launcher3.ui;
import static androidx.test.InstrumentationRegistry.getInstrumentation;
import static com.android.launcher3.tapl.LauncherInstrumentation.ContainerType;
import static com.android.launcher3.ui.TaplTestsLauncher3.getAppPackageName;
import static org.junit.Assert.assertTrue;
@@ -45,6 +46,7 @@ import com.android.launcher3.LauncherAppState;
import com.android.launcher3.LauncherModel;
import com.android.launcher3.LauncherSettings;
import com.android.launcher3.LauncherState;
import com.android.launcher3.LauncherStateManager;
import com.android.launcher3.MainThreadExecutor;
import com.android.launcher3.Utilities;
import com.android.launcher3.compat.LauncherAppsCompat;
@@ -52,6 +54,7 @@ import com.android.launcher3.model.AppLaunchTracker;
import com.android.launcher3.tapl.LauncherInstrumentation;
import com.android.launcher3.tapl.TestHelpers;
import com.android.launcher3.testcomponent.TestCommandReceiver;
import com.android.launcher3.testing.TestProtocol;
import com.android.launcher3.util.PackageManagerHelper;
import com.android.launcher3.util.Wait;
import com.android.launcher3.util.rule.FailureWatcher;
@@ -103,6 +106,10 @@ public abstract class AbstractLauncherUiTest {
Utilities.enableRunningInTestHarnessForTests();
mLauncher.setSystemHealthSupplier(() -> TestCommandReceiver.callCommand(
TestCommandReceiver.GET_SYSTEM_HEALTH_MESSAGE).getString("result"));
mLauncher.setOnSettledStateAction(
containerType -> executeOnLauncher(
launcher ->
checkLauncherIntegrity(launcher, containerType)));
}
}
@@ -379,4 +386,68 @@ public abstract class AbstractLauncherUiTest {
protected int getAllAppsScroll(Launcher launcher) {
return launcher.getAppsView().getActiveRecyclerView().getCurrentScrollY();
}
private static void checkLauncherIntegrity(
Launcher launcher, ContainerType expectedContainerType) {
if (launcher != null) {
final LauncherStateManager stateManager = launcher.getStateManager();
final LauncherState stableState = stateManager.getCurrentStableState();
assertTrue("Stable state != state: " + stableState.getClass().getSimpleName() + ", "
+ stateManager.getState().getClass().getSimpleName(),
stableState == stateManager.getState());
final boolean isResumed = launcher.hasBeenResumed();
assertTrue("hasBeenResumed() != isStarted(), hasBeenResumed(): " + isResumed,
isResumed == launcher.isStarted());
assertTrue("hasBeenResumed() != isUserActive(), hasBeenResumed(): " + isResumed,
isResumed == launcher.isUserActive());
final int ordinal = stableState.ordinal;
switch (expectedContainerType) {
case WORKSPACE:
case WIDGETS: {
assertTrue(
"Launcher is not resumed in state: " + expectedContainerType,
isResumed);
assertTrue(TestProtocol.stateOrdinalToString(ordinal),
ordinal == TestProtocol.NORMAL_STATE_ORDINAL);
break;
}
case ALL_APPS: {
assertTrue(
"Launcher is not resumed in state: " + expectedContainerType,
isResumed);
assertTrue(TestProtocol.stateOrdinalToString(ordinal),
ordinal == TestProtocol.ALL_APPS_STATE_ORDINAL);
break;
}
case OVERVIEW: {
assertTrue(
"Launcher is not resumed in state: " + expectedContainerType,
isResumed);
assertTrue(TestProtocol.stateOrdinalToString(ordinal),
ordinal == TestProtocol.OVERVIEW_STATE_ORDINAL);
break;
}
case BACKGROUND: {
assertTrue("Launcher is resumed in state: " + expectedContainerType,
!isResumed);
assertTrue(TestProtocol.stateOrdinalToString(ordinal),
ordinal == TestProtocol.NORMAL_STATE_ORDINAL);
break;
}
default:
throw new IllegalArgumentException(
"Illegal container: " + expectedContainerType);
}
} else {
assertTrue(
"Container type is not BACKGROUND or FALLBACK_OVERVIEW: "
+ expectedContainerType,
expectedContainerType == ContainerType.BACKGROUND ||
expectedContainerType == ContainerType.FALLBACK_OVERVIEW);
}
}
}