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1 | var async = require('async');
var checker = require('./checker');
var child = require('child_process');
var colors = require('colors');
var fs = require('fs');
var fsx = require('fs-extra');
var mkdirp = require('mkdirp');
var ncp = require('ncp');
var os = require('os');
var p = require('path');
var reporter = require('./reporters/console');
var rimraf = require('rimraf');
var test = require('./test');
var util = require('util');
/**
* class Cmdt
*/
function Cmdt(opts) {
this.opts = opts || {};
this.opts.baseDir = this.opts.baseDir || os.tmpdir();
this.opts.debug = this.opts.debug || false;
this.runId = 'cmdt-' + new Date().getTime() + '-' + process.pid;
this._execData = {};
}
/**
* Create example cmdt test files.
*
* @param {Function} cb: standard cb(err, result) callback
*/
Cmdt.prototype.init = function (cb) {
ncp.ncp(p.join(__dirname, '../examples'), '.', cb);
};
/**
* Parse .cmdt test files and run all tests.
*
* @param {Array} files: test files to run
* @param {Function} cb: standard cb(err, result) callback
*/
Cmdt.prototype.run = function (files, cb) {
var runDir = p.join(this.opts.baseDir, this.runId);
var self = this;
reporter.emit('dir', this.opts.debug, runDir);
mkdirp.sync(runDir);
function copyFixture(testDir) {
return function (fixturePath, cb) {
var destPath = fs.lstatSync(fixturePath).isDirectory() ? testDir : p.join(testDir, p.basename(fixturePath));
fsx.copy(fixturePath, destPath, cb);
};
}
function execTests(tests, testDir, cb) {
return function (err) {
if (err) {
cb(err);
} else {
self._exec(tests, testDir, cb);
}
};
}
function iter(file, cb) {
reporter.emit('segment', file);
test.load(file, function (err, tests, fixtures) {
if (err) {
cb(err);
} else {
var testDir = p.join(self.opts.baseDir, self.runId, file);
mkdirp.sync(testDir);
async.each(fixtures, copyFixture(testDir), execTests(tests, testDir, cb));
}
});
}
async.eachSeries(files, iter, function (err) {
if (!err) {
reporter.emit('end', self.opts.debug);
if (!self.opts.debug) {
rimraf.sync(runDir);
}
}
cb(err, { successes: reporter.successes, failures: reporter.failures });
});
};
/**
* Execute test command and validate output of each test.
* Commands will be executed in a sandbox directory.
*
* @param {Array} tests: test settings
* @param {String} testDir: test execution directory
* @param {Function} cb: standard cb(err, result) callback
*/
Cmdt.prototype._exec = function (tests, testDir, cb) {
this._execData = {};
var self = this;
var testId = 0; // unique ID for each test within the file
function processTest(test, cb) {
test.dir = testDir;
test.execId = util.format('%d-%s', testId++, test.file);
self._execData[test.execId] = {
exitcode: undefined,
output : '',
stdout : '',
stderr : ''
};
var _exec = child.exec(test.command, { cwd: test.dir }, self._testCb(test, cb));
_exec.on('exit', function (code) {
self._execData[test.execId].exitcode = code;
});
_exec.stdout.on('data', function (data) {
self._execData[test.execId].output += data;
self._execData[test.execId].stdout += data;
});
_exec.stderr.on('data', function (data) {
self._execData[test.execId].output += data;
self._execData[test.execId].stderr += data;
});
}
async.eachSeries(tests, processTest, cb);
};
/**
* Create a callback function for processing each test.
* This callback emits event to reporter depending on the existence of check error(s) .
*
* @param {Object} test: test setting
* @param {Function} cb: standard cb(err, result) callback
*/
Cmdt.prototype._testCb = function (test, cb) {
var self = this;
return function (err) {
var result = self._execData[test.execId];
var errors = checker.check(result, test);
if (errors.length === 0) {
reporter.emit('success', test, result);
} else {
reporter.emit('failure', errors, test, result);
}
cb();
};
};
module.exports = Cmdt; |