Merge "[Test Week] Add unit tests for UserCache" into main

src/com/android/launcher3/pm/UserCache.java

@@ -183,6 +183,11 @@ public class UserCache implements SafeCloseable {
         mUserToSerialMap.put(userHandle, info);
     }
 
+    @VisibleForTesting
+    public void putToPreInstallCache(UserHandle userHandle, List<String> preInstalledApps) {
+        mUserToPreInstallAppMap.put(userHandle, preInstalledApps);
+    }
+
     /**
      * @see UserManager#getUserProfiles()
      */

tests/src/com/android/launcher3/pm/UserCacheTest.kt

@@ -0,0 +1,140 @@
+/*
+ * Copyright (C) 2024 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 com.android.launcher3.pm
+
+import android.os.Process.myUserHandle
+import android.os.UserHandle
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import androidx.test.platform.app.InstrumentationRegistry
+import com.android.launcher3.util.Executors.MODEL_EXECUTOR
+import com.android.launcher3.util.LauncherModelHelper
+import com.android.launcher3.util.TestUtil
+import com.android.launcher3.util.UserIconInfo
+import com.google.common.truth.Truth.assertThat
+import org.junit.After
+import org.junit.Before
+import org.junit.Test
+import org.junit.runner.RunWith
+
+@RunWith(AndroidJUnit4::class)
+class UserCacheTest {
+    private val launcherModelHelper = LauncherModelHelper()
+    private val sandboxContext = launcherModelHelper.sandboxContext
+    private lateinit var userCache: UserCache
+
+    @Before
+    fun setup() {
+        userCache = UserCache.getInstance(sandboxContext)
+    }
+
+    @After
+    fun teardown() {
+        launcherModelHelper.destroy()
+    }
+
+    @Test
+    fun `getBadgeDrawable only returns a UserBadgeDrawable given a user in the cache`() {
+        // Given
+        val expectedIconInfo = UserIconInfo(myUserHandle(), UserIconInfo.TYPE_WORK)
+        TestUtil.runOnExecutorSync(MODEL_EXECUTOR) {
+            userCache.putToCache(myUserHandle(), expectedIconInfo)
+        }
+        InstrumentationRegistry.getInstrumentation().waitForIdleSync()
+        // When
+        val actualDrawable = UserCache.getBadgeDrawable(sandboxContext, myUserHandle())
+        val unexpectedDrawable = UserCache.getBadgeDrawable(sandboxContext, UserHandle(66))
+        // Then
+        assertThat(actualDrawable).isNotNull()
+        assertThat(unexpectedDrawable).isNull()
+    }
+
+    @Test
+    fun `getPreInstallApps returns list of pre installed apps given a user`() {
+        // Given
+        val expectedApps = listOf("Google")
+        TestUtil.runOnExecutorSync(MODEL_EXECUTOR) {
+            userCache.putToPreInstallCache(myUserHandle(), expectedApps)
+        }
+        InstrumentationRegistry.getInstrumentation().waitForIdleSync()
+        // When
+        val actualApps = userCache.getPreInstallApps(myUserHandle())
+        // Then
+        assertThat(actualApps).isEqualTo(expectedApps)
+    }
+
+    @Test
+    fun `getUserProfiles returns copy of UserCache profiles`() {
+        // Given
+        val expectedProfiles = listOf(myUserHandle())
+        val expectedIconInfo = UserIconInfo(myUserHandle(), UserIconInfo.TYPE_MAIN)
+        TestUtil.runOnExecutorSync(MODEL_EXECUTOR) {
+            userCache.putToCache(myUserHandle(), expectedIconInfo)
+        }
+        InstrumentationRegistry.getInstrumentation().waitForIdleSync()
+        // When
+        val actualProfiles = userCache.userProfiles
+        // Then
+        assertThat(actualProfiles).isEqualTo(expectedProfiles)
+    }
+
+    @Test
+    fun `getUserForSerialNumber returns user key matching given entry serial number`() {
+        // Given
+        val expectedSerial = 42L
+        val expectedProfile = UserHandle(42)
+        val expectedIconInfo = UserIconInfo(myUserHandle(), UserIconInfo.TYPE_MAIN, expectedSerial)
+        TestUtil.runOnExecutorSync(MODEL_EXECUTOR) {
+            userCache.putToCache(expectedProfile, expectedIconInfo)
+        }
+        InstrumentationRegistry.getInstrumentation().waitForIdleSync()
+        // When
+        val actualProfile = userCache.getUserForSerialNumber(expectedSerial)
+        // Then
+        assertThat(actualProfile).isEqualTo(expectedProfile)
+    }
+
+    @Test
+    fun `getUserInfo returns cached UserIconInfo given user key`() {
+        // Given
+        val expectedProfile = UserHandle(1)
+        val expectedIconInfo = UserIconInfo(myUserHandle(), UserIconInfo.TYPE_WORK)
+        TestUtil.runOnExecutorSync(MODEL_EXECUTOR) {
+            userCache.putToCache(expectedProfile, expectedIconInfo)
+        }
+        InstrumentationRegistry.getInstrumentation().waitForIdleSync()
+        // When
+        val actualIconInfo = userCache.getUserInfo(expectedProfile)
+        // Then
+        assertThat(actualIconInfo).isEqualTo(expectedIconInfo)
+    }
+
+    @Test
+    fun `getSerialNumberForUser returns cached UserIconInfo serial number given user key`() {
+        // Given
+        val expectedSerial = 42L
+        val expectedProfile = UserHandle(1)
+        val expectedIconInfo = UserIconInfo(myUserHandle(), UserIconInfo.TYPE_WORK, expectedSerial)
+        TestUtil.runOnExecutorSync(MODEL_EXECUTOR) {
+            userCache.putToCache(expectedProfile, expectedIconInfo)
+        }
+        InstrumentationRegistry.getInstrumentation().waitForIdleSync()
+        // When
+        val actualSerial = userCache.getSerialNumberForUser(expectedProfile)
+        // Then
+        assertThat(actualSerial).isEqualTo(expectedSerial)
+    }
+}