Simple test with daemon compilation, minor fixes mostly for easier testing

compiler/tests/org/jetbrains/kotlin/daemon/CompilerDaemonTest.kt

@@ -0,0 +1,76 @@
+/*
+ * 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.daemon
+
+import junit.framework.TestCase
+import org.jetbrains.kotlin.cli.CliBaseTest
+import org.jetbrains.kotlin.integration.KotlinIntegrationTestBase
+import org.jetbrains.kotlin.rmi.CompilerId
+import org.jetbrains.kotlin.rmi.DaemonLaunchingOptions
+import org.jetbrains.kotlin.rmi.DaemonOptions
+import org.jetbrains.kotlin.rmi.kotlinr.KotlinCompilerClient
+import org.jetbrains.kotlin.test.JetTestUtils
+import java.io.ByteArrayOutputStream
+import java.io.File
+
+val KOTLIN_DAEMON_TEST_PORT = 19753
+
+public class CompilerDaemonTest : KotlinIntegrationTestBase() {
+
+    data class CompilerResults(val resultCode: Int, val out: String)
+
+    val daemonOptions = DaemonOptions(port = KOTLIN_DAEMON_TEST_PORT)
+    val daemonLaunchingOptions = DaemonLaunchingOptions()
+    val compilerId by lazy { CompilerId.makeCompilerId( File(KotlinIntegrationTestBase.getCompilerLib(), "kotlin-compiler.jar"),
+                                                        File("dependencies/bootstrap-compiler/Kotlin/kotlinc/lib/kotlin-runtime.jar"),
+                                                        File("dependencies/bootstrap-compiler/Kotlin/kotlinc/lib/kotlin-reflect.jar")) }
+
+    private fun compileOnDaemon(args: Array<out String>): CompilerResults {
+        val daemon = KotlinCompilerClient.connectToCompileService(compilerId, daemonLaunchingOptions, daemonOptions, System.err, autostart = true, checkId = true)
+        TestCase.assertNotNull("failed to connect daemon", daemon)
+        val strm = ByteArrayOutputStream()
+        val code = KotlinCompilerClient.compile(daemon!!, args, strm)
+        return CompilerResults(code, strm.toString())
+    }
+
+    private fun runDaemonCompilerTwice(logName: String, vararg arguments: String): Unit {
+        KotlinCompilerClient.shutdownCompileService(daemonOptions)
+
+        try {
+            val res1 = compileOnDaemon(arguments)
+            TestCase.assertEquals("first compilation failed:\n${res1.out}", 0, res1.resultCode)
+            val res2 = compileOnDaemon(arguments)
+            TestCase.assertEquals("second compilation failed:\n${res2.out}", 0, res2.resultCode)
+            TestCase.assertEquals("build results differ", CliBaseTest.removePerfOutput(res1.out), CliBaseTest.removePerfOutput(res2.out))
+            // TODO: add performance comparison assert
+        }
+        finally {
+            KotlinCompilerClient.shutdownCompileService(daemonOptions)
+        }
+    }
+
+    private fun getTestBaseDir(): String = JetTestUtils.getTestDataPathBase() + "/integration/smoke/" + getTestName(true)
+
+    private fun run(logName: String, vararg args: String): Int = runJava(getTestBaseDir(), logName, *args)
+
+    public fun testHelloApp() {
+        val jar = tmpdir.absolutePath + File.separator + "hello.jar"
+
+        runDaemonCompilerTwice("hello.compile", "-include-runtime", File(getTestBaseDir(), "hello.kt").absolutePath, "-d", jar)
+        run("hello.run", "-cp", jar, "Hello.HelloPackage")
+    }
+}

compiler/tests/org/jetbrains/kotlin/integration/KotlinIntegrationTestBase.java

@@ -133,7 +133,7 @@ public abstract class KotlinIntegrationTestBase extends TestCaseWithTmpdir {
         return runtime;
     }
 
-    protected static File getCompilerLib() {
+    public static File getCompilerLib() {
         File file = PathUtil.getKotlinPathsForDistDirectory().getLibPath().getAbsoluteFile();
         assertTrue("Lib directory doesn't exist. Run 'ant dist'", file.isDirectory());
         return file;