ScriptTestCase.java

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 * this work for additional information regarding copyright
 * ownership. Elasticsearch licenses this file to you 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
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package org.elasticsearch.plan.a;

import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.script.CompiledScript;
import org.elasticsearch.script.ScriptService;
import org.elasticsearch.test.ESTestCase;
import org.junit.Before;

import java.util.Map;

/**
 * Base test case for scripting unit tests.
 * <p>
 * Typically just asserts the output of {@code exec()}
 */
public abstract class ScriptTestCase extends ESTestCase {
    protected PlanAScriptEngineService scriptEngine;

    @Before
    public void setup() {
        scriptEngine = new PlanAScriptEngineService(Settings.Builder.EMPTY_SETTINGS);
    }

    /** Compiles and returns the result of {@code script} */
    public Object exec(String script) {
        return exec(script, null);
    }

    /** Compiles and returns the result of {@code script} with access to {@code vars} */
    public Object exec(String script, Map<String, Object> vars) {
        Object object = scriptEngine.compile(script);
        CompiledScript compiled = new CompiledScript(ScriptService.ScriptType.INLINE, getTestName(), "plan-a", object);
        return scriptEngine.executable(compiled, vars).run();
    }
}