kotlin-fork/compiler/tests/org/jetbrains/kotlin/scripts/ScriptTest.kt

/*
 * Copyright 2010-2015 JetBrains s.r.o.
 *
 * 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 org.jetbrains.kotlin.scripts

import com.intellij.openapi.util.Disposer
import org.jetbrains.kotlin.builtins.DefaultBuiltIns
import org.jetbrains.kotlin.cli.common.CLIConfigurationKeys
import org.jetbrains.kotlin.cli.common.messages.*
import org.jetbrains.kotlin.cli.jvm.compiler.EnvironmentConfigFiles
import org.jetbrains.kotlin.cli.jvm.compiler.KotlinCoreEnvironment
import org.jetbrains.kotlin.cli.jvm.compiler.KotlinToJVMBytecodeCompiler
import org.jetbrains.kotlin.cli.jvm.config.addJvmClasspathRoot
import org.jetbrains.kotlin.codegen.CompilationException
import org.jetbrains.kotlin.config.JVMConfigurationKeys
import org.jetbrains.kotlin.config.CompilerConfiguration
import org.jetbrains.kotlin.config.addKotlinSourceRoot
import org.jetbrains.kotlin.name.Name
import org.jetbrains.kotlin.script.KotlinScriptDefinition
import org.jetbrains.kotlin.script.ScriptParameter
import org.jetbrains.kotlin.test.ConfigurationKind
import org.jetbrains.kotlin.test.KotlinTestUtils
import org.jetbrains.kotlin.test.TestJdkKind
import org.jetbrains.kotlin.utils.PathUtil
import org.junit.Assert
import org.junit.Test
import java.io.File

class ScriptTest {
    @Test
    @Throws(Exception::class)
    fun testScript() {
        val aClass = compileScript("fib.kts", SimpleParamsTestScriptDefinition(".kts", numIntParam()))
        Assert.assertNotNull(aClass)
        aClass!!.getConstructor(Integer.TYPE).newInstance(4)
    }

    @Test
    @Throws(Exception::class)
    fun testScriptWithPackage() {
        val aClass = compileScript("fib.pkg.kts", SimpleParamsTestScriptDefinition(".kts", numIntParam()))
        Assert.assertNotNull(aClass)
        aClass!!.getConstructor(Integer.TYPE).newInstance(4)
    }

    @Test
    @Throws(Exception::class)
    fun testScriptWithScriptDefinition() {
        val aClass = compileScript("fib.fib.kt", SimpleParamsTestScriptDefinition(".fib.kt", numIntParam()))
        Assert.assertNotNull(aClass)
        aClass!!.getConstructor(Integer.TYPE).newInstance(4)
    }

    @Test
    fun testScriptWithClassParameter() {
        val cl = TestParamClass::class
        val aClass = compileScript("fib_cp.kts", ReflectedParamClassTestScriptDefinition(".kts", "param", cl), runIsolated = false)
        Assert.assertNotNull(aClass)
        aClass!!.getConstructor(cl.java).newInstance(TestParamClass(4))
    }

    private fun compileScript(
            scriptPath: String,
            scriptDefinition: KotlinScriptDefinition,
            runIsolated: Boolean = true): Class<*>?
    {
        val paths = PathUtil.getKotlinPathsForDistDirectory()
        val messageCollector = PrintingMessageCollector(System.err, MessageRenderer.PLAIN_FULL_PATHS, false)

        val rootDisposable = Disposer.newDisposable()
        try {
            val configuration = KotlinTestUtils.newConfiguration(ConfigurationKind.JDK_ONLY, TestJdkKind.FULL_JDK)
            configuration.put(CLIConfigurationKeys.MESSAGE_COLLECTOR_KEY, messageCollector)
            configuration.addKotlinSourceRoot("compiler/testData/script/" + scriptPath)
            configuration.add(JVMConfigurationKeys.SCRIPT_DEFINITIONS, scriptDefinition)
            if (!runIsolated)
                configuration.addCurrentClasspathAsRoots()

            val environment = KotlinCoreEnvironment.createForProduction(rootDisposable, configuration, EnvironmentConfigFiles.JVM_CONFIG_FILES)

            try {
                return if (runIsolated) KotlinToJVMBytecodeCompiler.compileScript(environment, paths)
                else KotlinToJVMBytecodeCompiler.compileScript(environment, this.javaClass.classLoader)
            }
            catch (e: CompilationException) {
                messageCollector.report(CompilerMessageSeverity.EXCEPTION, OutputMessageUtil.renderException(e),
                                        MessageUtil.psiElementToMessageLocation(e.element))
                return null
            }
            catch (t: Throwable) {
                MessageCollectorUtil.reportException(messageCollector, t)
                return null
            }

        }
        finally {
            Disposer.dispose(rootDisposable)
        }
    }

    private fun CompilerConfiguration.addCurrentClasspathAsRoots() {
        System.getProperty("java.class.path")?.let {
            it.split(String.format("\\%s", File.pathSeparatorChar).toRegex()).dropLastWhile { it.isEmpty() }.toTypedArray()
                    .forEach { addJvmClasspathRoot(File(it)) }
        }
    }

    private fun numIntParam(): List<ScriptParameter> {
        return listOf(ScriptParameter(Name.identifier("num"), DefaultBuiltIns.Instance.intType))
    }
}

class TestParamClass(val memberNum: Int)