/*
* Copyright 2023 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.baselineprofile.gradle.producer
import androidx.baselineprofile.gradle.configuration.ConfigurationManager
import androidx.baselineprofile.gradle.producer.tasks.CollectBaselineProfileTask
import androidx.baselineprofile.gradle.producer.tasks.InstrumentationTestTaskWrapper
import androidx.baselineprofile.gradle.utils.AgpFeature
import androidx.baselineprofile.gradle.utils.AgpPlugin
import androidx.baselineprofile.gradle.utils.AgpPluginId
import androidx.baselineprofile.gradle.utils.AndroidTestModuleWrapper
import androidx.baselineprofile.gradle.utils.BUILD_TYPE_BASELINE_PROFILE_PREFIX
import androidx.baselineprofile.gradle.utils.BUILD_TYPE_BENCHMARK_PREFIX
import androidx.baselineprofile.gradle.utils.CONFIGURATION_ARTIFACT_TYPE
import androidx.baselineprofile.gradle.utils.CONFIGURATION_NAME_BASELINE_PROFILES
import androidx.baselineprofile.gradle.utils.MAX_AGP_VERSION_REQUIRED
import androidx.baselineprofile.gradle.utils.MIN_AGP_VERSION_REQUIRED
import androidx.baselineprofile.gradle.utils.RELEASE
import androidx.baselineprofile.gradle.utils.camelCase
import androidx.baselineprofile.gradle.utils.createBuildTypeIfNotExists
import androidx.baselineprofile.gradle.utils.createExtendedBuildTypes
import com.android.build.api.dsl.TestBuildType
import com.android.build.api.dsl.TestExtension
import com.android.build.api.variant.TestVariant
import com.android.build.api.variant.TestVariantBuilder
import com.android.build.api.variant.Variant
import org.gradle.api.GradleException
import org.gradle.api.Plugin
import org.gradle.api.Project
/**
* This is the producer plugin for baseline profile generation. In order to generate baseline
* profiles three plugins are needed: one is applied to the app or the library that should consume
* the baseline profile when building (consumer), one is applied to the module that should supply
* the under test app (app target) and the last one is applied to a test module containing the ui
* test that generate the baseline profile on the device (producer).
*/
class BaselineProfileProducerPlugin : Plugin<Project> {
override fun apply(project: Project) = BaselineProfileProducerAgpPlugin(project).onApply()
}
private class BaselineProfileProducerAgpPlugin(private val project: Project) : AgpPlugin(
project = project,
supportedAgpPlugins = setOf(AgpPluginId.ID_ANDROID_TEST_PLUGIN),
minAgpVersion = MIN_AGP_VERSION_REQUIRED,
maxAgpVersion = MAX_AGP_VERSION_REQUIRED
) {
private val baselineProfileExtension = BaselineProfileProducerExtension.register(project)
private val configurationManager = ConfigurationManager(project)
// This maps all the extended build types to the original ones. Note that release does not
// exist by default so we need to create nonMinifiedRelease and map it manually to `release`.
private val nonObfuscatedReleaseName =
camelCase(BUILD_TYPE_BASELINE_PROFILE_PREFIX, RELEASE)
private val baselineProfileExtendedToOriginalTypeMap =
mutableMapOf(nonObfuscatedReleaseName to RELEASE)
private val benchmarkReleaseName =
camelCase(BUILD_TYPE_BENCHMARK_PREFIX, RELEASE)
private val benchmarkExtendedToOriginalTypeMap =
mutableMapOf(benchmarkReleaseName to RELEASE)
override fun onAgpPluginFound(pluginIds: Set<AgpPluginId>) {
project
.logger
.debug("[BaselineProfileProducerPlugin] afterEvaluate check: app plugin was applied")
}
override fun onAgpPluginNotFound(pluginIds: Set<AgpPluginId>) {
throw IllegalStateException(
"""
The module ${project.name} does not have the `com.android.test` plugin applied. Currently,
the `androidx.baselineprofile.producer` plugin supports only android test modules. In future this
plugin will also support library modules (https://issuetracker.google.com/issue?id=259737450).
Please review your build.gradle to ensure this plugin is applied to the correct module.
""".trimIndent()
)
}
override fun onBeforeFinalizeDsl() {
// We need the instrumentation apk to run as a separate process
AndroidTestModuleWrapper(project).setSelfInstrumenting(true)
}
override fun onTestFinalizeDsl(extension: TestExtension) {
// Creates the new build types to match the app target. All the existing build types beside
// `debug`, that is the default one, are added manually in the configuration so we can
// assume they've been added for the purpose of generating baseline profiles. We don't
// need to create a nonMinified build type from `debug` since there will be no matching
// configuration with the app target module.
// The test build types need to be debuggable and have the same singing config key to
// be installed. We also disable the test coverage tracking since it's not important
// here.
val configureBlock: TestBuildType.() -> (Unit) = {
isDebuggable = true
enableAndroidTestCoverage = false
enableUnitTestCoverage = false
signingConfig = extension.buildTypes.getByName("debug").signingConfig
// TODO: The matching fallback is causing a circular dependency when app target plugin
// is not applied. Normally this is not used, but if an app defines only the consumer
// plugin the `nonMinified` build won't exist. If the provider points to it, the
// matching fallback will kick in and will use the `release` build instead of the
// `nonMinifiedRelease`. When this happens, since we depend on
// `mergeArtReleaseProfile` to ensure that a profile is copied is the baseline profile
// src sets before the build is complete, it will trigger a circular task dependency:
// collectNonMinifiedReleaseBaselineProfile ->
// connectedNonMinifiedReleaseAndroidTest ->
// packageRelease ->
// compileReleaseArtProfile ->
// mergeReleaseArtProfile ->
// copyReleaseBaselineProfileIntoSrc ->
// mergeReleaseBaselineProfile ->
// collectNonMinifiedReleaseBaselineProfile
// Note that the error is expected but we should handle it gracefully with proper
// explanation. (b/272851616)
matchingFallbacks += listOf(RELEASE)
}
// The variant names are used by the test module to request a specific apk artifact to
// the under test app module (using configuration attributes). This is all handled by
// the com.android.test plugin, as long as both modules have the same variants.
// Unfortunately the test module cannot determine which variants are present in the
// under test app module. As a result we need to replicate the same build types and
// flavors, so that the same variant names are created.
createExtendedBuildTypes(
project = project,
extensionBuildTypes = extension.buildTypes,
newBuildTypePrefix = BUILD_TYPE_BASELINE_PROFILE_PREFIX,
extendedBuildTypeToOriginalBuildTypeMapping = baselineProfileExtendedToOriginalTypeMap,
configureBlock = configureBlock,
filterBlock = {
// All the build types that have been added to the test module should be
// extended. This is because we can't know here which ones are actually
// release in the under test module. We can only exclude debug for sure.
it.name != "debug"
}
)
createBuildTypeIfNotExists(
project = project,
extensionBuildTypes = extension.buildTypes,
buildTypeName = nonObfuscatedReleaseName,
configureBlock = configureBlock
)
// Similarly to baseline profile build types we also create benchmark build types if this
// version of AGP has the support for it.
if (supportsFeature(AgpFeature.TEST_MODULE_SUPPORTS_MULTIPLE_BUILD_TYPES)) {
createExtendedBuildTypes(
project = project,
extensionBuildTypes = extension.buildTypes,
newBuildTypePrefix = BUILD_TYPE_BENCHMARK_PREFIX,
extendedBuildTypeToOriginalBuildTypeMapping = benchmarkExtendedToOriginalTypeMap,
configureBlock = configureBlock,
filterBlock = {
// Note that at this point we already have created the baseline profile build
// types that we don't want to extend again.
it.name != "debug" && it.name !in baselineProfileExtendedToOriginalTypeMap
}
)
createBuildTypeIfNotExists(
project = project,
extensionBuildTypes = extension.buildTypes,
buildTypeName = benchmarkReleaseName,
configureBlock = configureBlock
)
}
}
override fun onTestBeforeVariants(variantBuilder: TestVariantBuilder) {
// Makes sure that only the non obfuscated build type variant selected is enabled
val buildType = variantBuilder.buildType
variantBuilder.enable =
buildType in baselineProfileExtendedToOriginalTypeMap.keys ||
buildType in benchmarkExtendedToOriginalTypeMap.keys
}
override fun onTestVariants(variant: TestVariant) {
// Creates all the configurations, one per variant for the newly created build type.
// Note that for this version of the plugin is not possible to rely entirely on the variant
// api so the actual creation of the tasks is postponed to be executed when all the
// agp tasks have been created, using the old api.
// Creating configurations only for the extended build types.
if (variant.buildType !in baselineProfileExtendedToOriginalTypeMap.keys) {
return
}
// Creates the configuration to handle this variant. Note that in the attributes
// to match the configuration we use the original build type without `nonObfuscated`.
val configuration = createConfigurationForVariant(
variant = variant,
originalBuildTypeName = baselineProfileExtendedToOriginalTypeMap[variant.buildType]
?: "",
)
// Prepares a block to execute later that creates the tasks for this variant
afterVariants {
createTasksForVariant(
project = project,
variant = variant,
configurationName = configuration.name,
baselineProfileExtension = baselineProfileExtension
)
}
}
private fun createConfigurationForVariant(variant: Variant, originalBuildTypeName: String) =
configurationManager.maybeCreate(
nameParts = listOf(
variant.flavorName ?: "",
originalBuildTypeName,
CONFIGURATION_NAME_BASELINE_PROFILES
),
canBeConsumed = true,
canBeResolved = false,
buildType = originalBuildTypeName,
productFlavors = variant.productFlavors
)
private fun createTasksForVariant(
project: Project,
variant: TestVariant,
configurationName: String,
baselineProfileExtension: BaselineProfileProducerExtension
) {
// Prepares the devices list to use to generate the baseline profile.
val devices = mutableSetOf<String>()
devices.addAll(baselineProfileExtension.managedDevices)
if (baselineProfileExtension.useConnectedDevices) devices.add("connected")
// The test task runs the ui tests
val testTasks = devices.map { device ->
val task = InstrumentationTestTaskWrapper.getByName(
project = project,
device = device,
variantName = variant.name
)
// The task is null if the managed device name does not exist
if (task == null) {
// If gradle is syncing don't throw any exception and simply stop here. This
// plugin will fail at build time instead. This allows not breaking project
// sync in ide.
if (isGradleSyncRunning()) return
throw GradleException(
"""
It wasn't possible to determine the test task for managed device `$device`.
Please check the managed devices specified in the baseline profile
configuration.
""".trimIndent()
)
}
task
}.onEach { it.setEnableEmulatorDisplay(baselineProfileExtension.enableEmulatorDisplay) }
// The collect task collects the baseline profile files from the ui test results
val collectTaskProvider = CollectBaselineProfileTask.registerForVariant(
project = project,
variant = variant,
testTaskDependencies = testTasks
)
// The artifacts are added to the configuration that exposes the generated baseline profile
addArtifactToConfiguration(
configurationName = configurationName,
taskProvider = collectTaskProvider,
artifactType = CONFIGURATION_ARTIFACT_TYPE
)
}
}