cli test template

compiler/testData/cli/simple.kt

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+fun main(args: Array<String>) = println("hello world")

compiler/testData/cli/simple.out

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+OK

compiler/tests/org/jetbrains/jet/cli/jvm/CliTest.java

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+/*
+ * Copyright 2010-2012 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.jet.cli.jvm;
+
+import com.intellij.openapi.util.io.FileUtil;
+import junit.framework.Assert;
+import org.jetbrains.jet.cli.common.ExitCode;
+import org.jetbrains.jet.test.Tmpdir;
+import org.junit.Rule;
+import org.junit.Test;
+
+import java.io.ByteArrayOutputStream;
+import java.io.File;
+import java.io.PrintStream;
+
+/**
+ * @author Stepan Koltsov
+ */
+public class CliTest {
+
+    @Rule
+    public final Tmpdir tmpdir = new Tmpdir();
+
+    @Test
+    public void simple() throws Exception {
+        ByteArrayOutputStream bytes = new ByteArrayOutputStream();
+        ExitCode exitCode = new K2JVMCompiler().exec(new PrintStream(bytes),
+                "-src", "compiler/testData/cli/simple.kt",
+                "-output", tmpdir.getTmpDir().getPath());
+        String actual = bytes.toString("utf-8") + exitCode + "\n";
+
+        String expected = FileUtil.loadFile(new File("compiler/testData/cli/simple.out"));
+
+        Assert.assertEquals(expected, actual);
+
+        Assert.assertTrue(new File(tmpdir.getTmpDir(), "namespace.class").isFile());
+    }
+
+}