GroovyCommandTest.java

/*
 * The MIT License
 *
 * Copyright (c) 2014 Red Hat, Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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package com.github.olivergondza.dumpling.cli;

import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.equalTo;
import static org.hamcrest.Matchers.not;

import java.io.File;
import java.io.PrintWriter;

import org.junit.Test;

import com.github.olivergondza.dumpling.Util;

public class GroovyCommandTest extends AbstractCliTest {

    @Test
    public void runScriptThatDoesNotExist() {
        run("groovy", "--script", "no_such_file");
        assertThat(out.toString(), equalToString(""));
        assertThat(err.toString(), containsString("no_such_file")); // Error message platform dependant
        assertThat(exitValue, not(equalTo(0)));
    }

    @Test
    public void runScriptThatDoesExist() throws Exception {
        File file = File.createTempFile("dumpling-GroovyCommandTest", "script");
        try {
            PrintWriter writer = new PrintWriter(file);
            writer.println("println 'groovy out'; return 42;");
            writer.close();

            run("groovy", "--script", file.getAbsolutePath());
            assertThat(out.toString(), equalToString("groovy out%n42%n"));
            assertThat(err.toString(), equalToString(""));
            assertThat(exitValue, equalTo(42));
        } finally {
            file.delete();
        }
    }

    @Test
    public void porcelain() throws Exception {
        final String log = Util.asFile(Util.resource("jstack/producer-consumer.log")).getAbsolutePath();

        stdin("D.runtime.threads%n");
        run("groovy", "--in", "threaddump", log);
        assertThat(this, succeeded());
        assertThat(out.toString(), containsString("\"blocked_thread\" prio=10 tid=0x2ad39c16b800 nid=32297"));
        assertThat(out.toString(), containsString("- waiting to lock <0x4063a9378> (a hudson.model.Queue)"));

        stdin("D.runtime.threads%n");
        run("groovy", "--in", "threaddump", log, "--porcelain");
        assertThat(this, succeeded());
        assertThat(out.toString(), containsString("\"blocked_thread\" prio=10 tid=0x00002ad39c16b800 nid=0x7e29"));
        assertThat(out.toString(), containsString("- waiting to lock <0x00000004063a9378> (a hudson.model.Queue)"));
    }

    @Test
    public void scriptFromStdinExplicit() throws Exception {
        stdin("7*6%n");
        run("groovy", "--script", "-");
        assertThat(exitValue, equalTo(42));
        assertThat(out.toString(), containsString("42"));
    }

    @Test
    public void verbatimScript() throws Exception {
        run("groovy", "--expression", "7*6");
        assertThat(exitValue, equalTo(42));
        assertThat(out.toString(), containsString("42"));
    }

    @Test
    public void groovyNativeArgsVar() {
        run("groovy", "-e", "assert args[0] == D.args[0] && args[1] != D.args[0]", "1", "2");
        assertThat(exitValue, equalTo(0));
    }

    @Test
    public void  hasHelp() {
        run("help", "groovy");
        assertThat(out.toString(), containsString("All Dumpling DSL classes and methods are imported"));
    }
}