test/exec-tests.js

// Copyright (c) 2017, Matt Godbolt
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
//     * Redistributions of source code must retain the above copyright notice,
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//     * Redistributions in binary form must reproduce the above copyright
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//       documentation and/or other materials provided with the distribution.
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// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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var chai = require('chai'),
    chaiAsPromised = require("chai-as-promised"),
    exec = require('../lib/exec');

chai.use(chaiAsPromised);
chai.should();

describe('Executes external commands', () => {
    it('supports output', () => {
        return exec.execute('echo', ['hello', 'world'], {}).should.eventually.deep.equals(
            {
                code: 0,
                okToCache: true,
                stderr: "",
                stdout: "hello world\n"
            });
    });
    it('limits output', () => {
        return exec.execute('echo', ['A very very very very very long string'], {maxOutput: 10})
            .should.eventually.deep.equals(
                {
                    code: 0,
                    okToCache: true,
                    stderr: "",
                    stdout: "A very ver\n[Truncated]"
                });
    });
    it('handles failing commands', () => {
        return exec.execute('false', [], {})
            .should.eventually.deep.equals(
                {
                    code: 1,
                    okToCache: true,
                    stderr: "",
                    stdout: ""
                });
    });
    it('handles timouts', () => {
        return exec.execute('sleep', ['5'], {timeoutMs: 10})
            .should.eventually.deep.equals(
                {
                    code: -1,
                    okToCache: false,
                    stderr: "\nKilled - processing time exceeded",
                    stdout: ""
                });
    });
    it('handles missing executables', () => {
        return exec.execute('__not_a_command__', [], {})
            .should.be.rejectedWith("ENOENT");
    });
    it('handles input', () => {
        return exec.execute('cat', [], {input: "this is stdin"}).should.eventually.deep.equals(
            {
                code: 0,
                okToCache: true,
                stderr: "",
                stdout: "this is stdin"
            });
    });
});