| /* |
| * Copyright (C) 2019 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.server.om |
| |
| import android.content.pm.parsing.AndroidPackage |
| import android.net.Uri |
| import com.google.common.truth.Truth.assertThat |
| import org.junit.Before |
| import org.junit.Test |
| import org.junit.runner.RunWith |
| import org.junit.runners.Parameterized |
| import org.testng.Assert.assertThrows |
| |
| @RunWith(Parameterized::class) |
| class OverlayReferenceMapperTests { |
| |
| companion object { |
| private const val TARGET_PACKAGE_NAME = "com.test.target" |
| private const val OVERLAY_PACKAGE_NAME = "com.test.overlay" |
| private const val ACTOR_PACKAGE_NAME = "com.test.actor" |
| private const val ACTOR_NAME = "overlay://test/actorName" |
| |
| @JvmStatic |
| @Parameterized.Parameters(name = "deferRebuild {0}") |
| fun parameters() = arrayOf(true, false) |
| } |
| |
| private lateinit var mapper: OverlayReferenceMapper |
| |
| @JvmField |
| @Parameterized.Parameter(0) |
| var deferRebuild = false |
| |
| @Before |
| fun initMapper() { |
| mapper = mapper() |
| } |
| |
| @Test |
| fun targetWithOverlay() { |
| val target = mockTarget() |
| val overlay = mockOverlay() |
| val existing = mapper.addInOrder(overlay) |
| assertEmpty() |
| mapper.addInOrder(target, existing = existing) |
| assertMapping(ACTOR_PACKAGE_NAME to setOf(target, overlay)) |
| mapper.remove(target) |
| assertEmpty() |
| } |
| |
| @Test |
| fun targetWithMultipleOverlays() { |
| val target = mockTarget() |
| val overlay0 = mockOverlay(0) |
| val overlay1 = mockOverlay(1) |
| mapper = mapper( |
| overlayToTargetToOverlayables = mapOf( |
| overlay0.packageName to mapOf( |
| target.packageName to target.overlayables.keys |
| ), |
| overlay1.packageName to mapOf( |
| target.packageName to target.overlayables.keys |
| ) |
| ) |
| ) |
| val existing = mapper.addInOrder(overlay0, overlay1) |
| assertEmpty() |
| mapper.addInOrder(target, existing = existing) |
| assertMapping(ACTOR_PACKAGE_NAME to setOf(target, overlay0, overlay1)) |
| mapper.remove(overlay0) |
| assertMapping(ACTOR_PACKAGE_NAME to setOf(target, overlay1)) |
| mapper.remove(target) |
| assertEmpty() |
| } |
| |
| @Test |
| fun targetWithoutOverlay() { |
| val target = mockTarget() |
| mapper.addInOrder(target) |
| assertMapping(ACTOR_PACKAGE_NAME to setOf(target)) |
| mapper.remove(target) |
| assertEmpty() |
| } |
| |
| @Test |
| fun overlayWithTarget() { |
| val target = mockTarget() |
| val overlay = mockOverlay() |
| val existing = mapper.addInOrder(target) |
| assertMapping(ACTOR_PACKAGE_NAME to setOf(target)) |
| mapper.addInOrder(overlay, existing = existing) |
| assertMapping(ACTOR_PACKAGE_NAME to setOf(target, overlay)) |
| mapper.remove(overlay) |
| assertMapping(ACTOR_PACKAGE_NAME to setOf(target)) |
| } |
| |
| @Test |
| fun overlayWithMultipleTargets() { |
| val target0 = mockTarget(0) |
| val target1 = mockTarget(1) |
| val overlay = mockOverlay() |
| mapper = mapper( |
| overlayToTargetToOverlayables = mapOf( |
| overlay.packageName to mapOf( |
| target0.packageName to target0.overlayables.keys, |
| target1.packageName to target1.overlayables.keys |
| ) |
| ) |
| ) |
| mapper.addInOrder(target0, target1, overlay) |
| assertMapping(ACTOR_PACKAGE_NAME to setOf(target0, target1, overlay)) |
| mapper.remove(target0) |
| assertMapping(ACTOR_PACKAGE_NAME to setOf(target1, overlay)) |
| mapper.remove(target1) |
| assertEmpty() |
| } |
| |
| @Test |
| fun overlayWithoutTarget() { |
| val overlay = mockOverlay() |
| mapper.addInOrder(overlay) |
| // An overlay can only have visibility exposed through its target |
| assertEmpty() |
| mapper.remove(overlay) |
| assertEmpty() |
| } |
| |
| private fun OverlayReferenceMapper.addInOrder( |
| vararg pkgs: AndroidPackage, |
| existing: MutableMap<String, AndroidPackage> = mutableMapOf() |
| ) = pkgs.fold(existing) { map, pkg -> |
| addPkg(pkg, map) |
| map[pkg.packageName] = pkg |
| return@fold map |
| } |
| |
| private fun OverlayReferenceMapper.remove(pkg: AndroidPackage) = removePkg(pkg.packageName) |
| |
| private fun assertMapping(vararg pairs: Pair<String, Set<AndroidPackage>>) { |
| val expected = pairs.associate { it } |
| .mapValues { pair -> pair.value.map { it.packageName }.toSet() } |
| |
| // This validates the API exposed for querying the relationships |
| expected.forEach { (actorPkgName, expectedPkgNames) -> |
| expectedPkgNames.forEach { expectedPkgName -> |
| if (deferRebuild) { |
| assertThrows(IllegalStateException::class.java) { |
| mapper.isValidActor(expectedPkgName, actorPkgName) |
| } |
| mapper.rebuildIfDeferred() |
| deferRebuild = false |
| } |
| |
| assertThat(mapper.isValidActor(expectedPkgName, actorPkgName)).isTrue() |
| } |
| } |
| |
| // This asserts no other relationships are defined besides those tested above |
| assertThat(mapper.actorPkgToPkgs).containsExactlyEntriesIn(expected) |
| } |
| |
| private fun assertEmpty() = assertMapping() |
| |
| private fun mapper( |
| namedActors: Map<String, Map<String, String>> = Uri.parse(ACTOR_NAME).run { |
| mapOf(authority!! to mapOf(pathSegments.first() to ACTOR_PACKAGE_NAME)) |
| }, |
| overlayToTargetToOverlayables: Map<String, Map<String, Set<String>>> = mapOf( |
| mockOverlay().packageName to mapOf( |
| mockTarget().run { packageName to overlayables.keys } |
| ) |
| ) |
| ) = OverlayReferenceMapper(deferRebuild, object : OverlayReferenceMapper.Provider { |
| override fun getActorPkg(actor: String?) = |
| OverlayActorEnforcer.getPackageNameForActor(actor, namedActors).first |
| |
| override fun getTargetToOverlayables(pkg: AndroidPackage) = |
| overlayToTargetToOverlayables[pkg.packageName] ?: emptyMap() |
| }) |
| |
| private fun mockTarget(increment: Int = 0) = mockThrowOnUnmocked<AndroidPackage> { |
| whenever(packageName) { "$TARGET_PACKAGE_NAME$increment" } |
| whenever(overlayables) { mapOf("overlayableName$increment" to ACTOR_NAME) } |
| whenever(toString()) { "Package{$packageName}" } |
| } |
| |
| private fun mockOverlay(increment: Int = 0) = mockThrowOnUnmocked<AndroidPackage> { |
| whenever(packageName) { "$OVERLAY_PACKAGE_NAME$increment" } |
| whenever(overlayables) { emptyMap<String, String>() } |
| whenever(toString()) { "Package{$packageName}" } |
| } |
| } |