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// 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,
// this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
const chai = require('chai'),
chaiAsPromised = require("chai-as-promised"),
exec = require('../lib/exec');
chai.use(chaiAsPromised);
chai.should();
function testExecOutput(x) {
// Work around chai not being able to deepEquals with a function
x.filenameTransform.should.be.a('function');
delete x.filenameTransform;
return x;
}
if (process.platform !== 'win32') { // POSIX
describe('Executes external commands', () => {
it('supports output', () => {
return exec.execute('echo', ['hello', 'world'], {})
.then(testExecOutput)
.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})
.then(testExecOutput)
.should.eventually.deep.equals(
{
code: 0,
okToCache: true,
stderr: "",
stdout: "A very ver\n[Truncated]"
});
});
it('handles failing commands', () => {
return exec.execute('false', [], {})
.then(testExecOutput)
.should.eventually.deep.equals(
{
code: 1,
okToCache: true,
stderr: "",
stdout: ""
});
});
it('handles timouts', () => {
return exec.execute('sleep', ['5'], {timeoutMs: 10})
.then(testExecOutput)
.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"})
.then(testExecOutput)
.should.eventually.deep.equals(
{
code: 0,
okToCache: true,
stderr: "",
stdout: "this is stdin"
});
});
});
} else { // win32
describe('Executes external commands', () => {
// note: we use powershell, since echo is a builtin, and false doesn't exist
it('supports output', () => {
return exec.execute('powershell', ['-Command', 'echo "hello world"'], {})
.then(testExecOutput)
.should.eventually.deep.equals(
{
code: 0,
okToCache: true,
stderr: "",
stdout: "hello world\r\n"
});
});
it('limits output', () => {
return exec.execute('powershell', ['-Command', 'echo "A very very very very very long string"'], {maxOutput: 10})
.then(testExecOutput)
.should.eventually.deep.equals(
{
code: 0,
okToCache: true,
stderr: "",
stdout: "A very ver\n[Truncated]"
});
});
it('handles failing commands', () => {
return exec.execute('powershell', ['-Command', 'function Fail { exit 1 }; Fail'], {})
.then(testExecOutput)
.should.eventually.deep.equals(
{
code: 1,
okToCache: true,
stderr: "",
stdout: ""
});
});
it('handles timouts', () => {
return exec.execute('powershell', ['-Command', '"sleep 5"'], {timeoutMs: 10})
.then(testExecOutput)
.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");
});
});
}