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/*
* Copyright 2022 Google LLC
* Copyright 2010-2022 JetBrains s.r.o. and Kotlin Programming Language contributors.
*
* 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.google.devtools.ksp.impl.test
import com.google.devtools.ksp.KspOptions
import com.google.devtools.ksp.impl.CommandLineKSPLogger
import com.google.devtools.ksp.impl.KotlinSymbolProcessing
import com.google.devtools.ksp.processor.AbstractTestProcessor
import com.google.devtools.ksp.testutils.AbstractKSPTest
import org.jetbrains.kotlin.analysis.api.standalone.buildStandaloneAnalysisAPISession
import org.jetbrains.kotlin.cli.common.config.addKotlinSourceRoot
import org.jetbrains.kotlin.cli.common.config.addKotlinSourceRoots
import org.jetbrains.kotlin.cli.jvm.K2JVMCompiler
import org.jetbrains.kotlin.cli.jvm.config.addJavaSourceRoot
import org.jetbrains.kotlin.config.CommonConfigurationKeys
import org.jetbrains.kotlin.test.compileJavaFiles
import org.jetbrains.kotlin.test.kotlinPathsForDistDirectoryForTests
import org.jetbrains.kotlin.test.model.FrontendKinds
import org.jetbrains.kotlin.test.model.TestModule
import org.jetbrains.kotlin.test.services.JUnit5Assertions
import org.jetbrains.kotlin.test.services.TestServices
import org.jetbrains.kotlin.test.services.compilerConfigurationProvider
import org.jetbrains.kotlin.test.services.isKtFile
import org.jetbrains.kotlin.test.services.javaFiles
import org.jetbrains.kotlin.test.util.KtTestUtil
import org.jetbrains.kotlin.utils.PathUtil
import java.io.ByteArrayOutputStream
import java.io.File
import java.io.PrintStream
import java.net.URLClassLoader
import java.nio.file.Files
abstract class AbstractKSPAATest : AbstractKSPTest(FrontendKinds.FIR) {
val TestModule.kotlinSrc
get() = File(testRoot, "kotlinSrc")
fun TestModule.writeKtFiles() {
kotlinSrc.mkdirs()
files.filter { it.isKtFile }.forEach { file ->
File(kotlinSrc, file.relativePath).let {
it.parentFile.mkdirs()
it.writeText(file.originalContent)
}
}
}
private fun compileKotlin(dependencies: List<File>, sourcesPath: String, javaSourcePath: String, outDir: File) {
val classpath = mutableListOf<String>()
classpath.addAll(dependencies.map { it.canonicalPath })
if (File(sourcesPath).isDirectory) {
classpath += sourcesPath
}
classpath += PathUtil.kotlinPathsForDistDirectoryForTests.stdlibPath.path
val args = mutableListOf(
sourcesPath,
javaSourcePath,
"-d", outDir.absolutePath,
"-no-stdlib",
"-classpath", classpath.joinToString(File.pathSeparator)
)
runJvmCompiler(args)
}
private fun runJvmCompiler(args: List<String>) {
val outStream = ByteArrayOutputStream()
val compilerClass = URLClassLoader(arrayOf(), javaClass.classLoader).loadClass(K2JVMCompiler::class.java.name)
val compiler = compilerClass.newInstance()
val execMethod = compilerClass.getMethod("exec", PrintStream::class.java, Array<String>::class.java)
execMethod.invoke(compiler, PrintStream(outStream), args.toTypedArray())
}
override fun compileModule(module: TestModule, testServices: TestServices) {
module.writeKtFiles()
val javaFiles = module.writeJavaFiles()
val dependencies = module.allDependencies.map { outDirForModule(it.moduleName) }
compileKotlin(dependencies, module.kotlinSrc.path, module.javaDir.path, module.outDir)
val classpath = (dependencies + KtTestUtil.getAnnotationsJar() + module.outDir)
.joinToString(File.pathSeparator) { it.absolutePath }
val options = listOf(
"-classpath", classpath,
"-d", module.outDir.path
)
if (javaFiles.isNotEmpty()) {
compileJavaFiles(javaFiles, options, assertions = JUnit5Assertions)
}
}
override fun runTest(
testServices: TestServices,
mainModule: TestModule,
libModules: List<TestModule>,
testProcessor: AbstractTestProcessor
): List<String> {
val compilerConfiguration = testServices.compilerConfigurationProvider.getCompilerConfiguration(mainModule)
compilerConfiguration.put(CommonConfigurationKeys.MODULE_NAME, mainModule.name)
compilerConfiguration.addKotlinSourceRoot(mainModule.kotlinSrc.absolutePath)
mainModule.kotlinSrc.mkdirs()
if (!mainModule.javaFiles.isEmpty()) {
mainModule.writeJavaFiles()
compilerConfiguration.addJavaSourceRoot(mainModule.javaDir)
}
// Some underlying service needs files backed by local fs.
// Therefore, this doesn't work:
// val ktFiles = mainModule.loadKtFiles(kotlinCoreEnvironment.project)
mainModule.writeKtFiles()
val kotlinSourceFiles = mainModule.files.filter { it.isKtFile }.map {
File(mainModule.kotlinSrc, it.relativePath)
}
val ktSourceRoots = kotlinSourceFiles
.sortedBy { Files.isSymbolicLink(it.toPath()) } // Get non-symbolic paths first
.distinctBy { it.canonicalPath }
compilerConfiguration.addKotlinSourceRoots(ktSourceRoots.map { it.absolutePath })
val testRoot = mainModule.testRoot
val kspOptions = KspOptions.Builder().apply {
if (!mainModule.javaFiles.isEmpty()) {
javaSourceRoots.add(mainModule.javaDir)
}
classOutputDir = File(testRoot, "kspTest/classes/main")
javaOutputDir = File(testRoot, "kspTest/src/main/java")
kotlinOutputDir = File(testRoot, "kspTest/src/main/kotlin")
resourceOutputDir = File(testRoot, "kspTest/src/main/resources")
projectBaseDir = testRoot
cachesDir = File(testRoot, "kspTest/kspCaches")
kspOutputDir = File(testRoot, "kspTest")
}.build()
val analysisSession = buildStandaloneAnalysisAPISession {
buildKtModuleProviderByCompilerConfiguration(compilerConfiguration)
}
val ksp = KotlinSymbolProcessing(
compilerConfiguration,
kspOptions,
CommandLineKSPLogger(),
analysisSession,
listOf(testProcessor)
)
ksp.prepare()
ksp.execute()
return testProcessor.toResult()
}
}
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