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/*
* Copyright (C) 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 com.android.build.gradle.integration.multiplatform.v2
import com.android.build.gradle.integration.common.fixture.BaseGradleExecutor
import com.android.build.gradle.integration.common.fixture.GradleTestProject
import com.android.build.gradle.integration.common.fixture.GradleTestProjectBuilder
import com.android.build.gradle.integration.common.utils.TestFileUtils
import com.android.testutils.apk.Aar
import com.android.utils.FileUtils
import com.google.common.truth.Truth
import org.junit.Before
import org.junit.Rule
import org.junit.Test
import kotlin.io.path.pathString
class KotlinMultiplatformAndroidMinificationTest {
@Suppress("DEPRECATION") // kmp doesn't support configuration caching for now (b/276472789)
@get:Rule
val project = GradleTestProjectBuilder()
.fromTestProject("kotlinMultiplatform")
.withConfigurationCaching(BaseGradleExecutor.ConfigurationCaching.OFF)
.create()
@Before
fun setUp() {
TestFileUtils.appendToFile(
project.getSubproject("kmpFirstLib").ktsBuildFile,
"""
android.isMinifyEnabled = true
android.consumerProguardFiles.add(
File(project.projectDir, "consumer-proguard-rules.pro")
)
android.proguardFiles.add(
File(project.projectDir, "proguard-rules.pro")
)
""".trimIndent()
)
TestFileUtils.appendToFile(
project.getSubproject("app").ktsBuildFile,
"""
android {
buildTypes {
getByName("debug") {
isMinifyEnabled = true
isShrinkResources = true
proguardFiles(
getDefaultProguardFile("proguard-android-optimize.txt"),
"proguard-rules.pro"
)
}
}
}
""".trimIndent()
)
}
@Test
fun testKmpLibClassesAreMinified() {
project.executor().run(":kmpFirstLib:assemble")
Aar(
project.getSubproject("kmpFirstLib").getOutputFile(
"aar",
"kmpFirstLib.aar"
)
).use { aar ->
aar.getEntryAsZip("classes.jar").use { classesJar ->
Truth.assertThat(classesJar.entries.map { it.pathString })
.containsExactly(
"/kmp_resource.txt",
"/com/example/kmpfirstlib/KmpAndroidActivity.class"
)
}
}
}
@Test
fun testAppClassesAreMinified() {
project.executor().run(":app:assembleDebug")
project.getSubproject("app").getApk(GradleTestProject.ApkType.DEBUG).use { apk ->
// only the main activity is left
Truth.assertThat(apk.mainDexFile.get().classes.keys).containsExactly(
"Lcom/example/kmpfirstlib/KmpAndroidActivity;"
)
}
}
@Test
fun testProguardRulesInKmpLib() {
FileUtils.writeToFile(
project.getSubproject("kmpFirstLib").file("proguard-rules.pro"),
"""
-keep public class com.example.kmpfirstlib.KmpAndroidFirstLibClass {
java.lang.String callCommonLibClass();
java.lang.String callAndroidLibClass();
}
""".trimIndent()
)
project.executor().run(":kmpFirstLib:assemble")
Aar(
project.getSubproject("kmpFirstLib").getOutputFile(
"aar",
"kmpFirstLib.aar"
)
).use { aar ->
aar.getEntryAsZip("classes.jar").use { classesJar ->
Truth.assertThat(classesJar.entries.map { it.pathString })
// code is optimized by default, and so the invocations to classes from common
// and androidLib are replaced by a literal string and removed.
.containsExactly(
"/kmp_resource.txt",
"/com/example/kmpfirstlib/KmpAndroidActivity.class",
"/com/example/kmpfirstlib/KmpAndroidFirstLibClass.class",
)
}
}
}
@Test
fun testProguardRulesInApp() {
FileUtils.writeToFile(
project.getSubproject("app").file("proguard-rules.pro"),
"""
-keep public class com.example.app.AndroidApp { *; }
""".trimIndent()
)
project.executor().run(":app:assembleDebug")
project.getSubproject("app").getApk(GradleTestProject.ApkType.DEBUG).use { apk ->
Truth.assertThat(apk.mainDexFile.get().classes.keys).containsExactly(
"Lcom/example/androidlib/AndroidLib;",
"Lcom/example/app/AndroidApp;",
"Lcom/example/kmpfirstlib/KmpAndroidActivity;",
"Lcom/example/kmpfirstlib/KmpAndroidFirstLibClass;",
"Lcom/example/kmpfirstlib/KmpCommonFirstLibClass;",
"Lcom/example/kmpsecondlib/KmpAndroidSecondLibClass;",
"Lcom/example/kmpsecondlib/KmpCommonSecondLibClass;",
"Lkotlin/jvm/internal/Intrinsics;"
)
}
}
@Test
fun testConsumerProguardRulesFromKmpLib() {
FileUtils.writeToFile(
project.getSubproject("kmpFirstLib").file("consumer-proguard-rules.pro"),
"""
-keep public class com.example.kmpfirstlib.KmpAndroidFirstLibClass {
java.lang.String callCommonLibClass();
java.lang.String callKmpSecondLibClass();
}
""".trimIndent()
)
project.executor().run(":app:assembleDebug")
project.getSubproject("app").getApk(GradleTestProject.ApkType.DEBUG).use { apk ->
Truth.assertThat(apk.mainDexFile.get().classes.keys).containsExactly(
"Lcom/example/kmpfirstlib/KmpAndroidActivity;",
"Lcom/example/kmpfirstlib/KmpAndroidFirstLibClass;",
"Lcom/example/kmpfirstlib/KmpCommonFirstLibClass;",
"Lcom/example/kmpsecondlib/KmpAndroidSecondLibClass;",
"Lcom/example/kmpsecondlib/KmpCommonSecondLibClass;"
)
}
}
}
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