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macros.js
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macros.js
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/*
* macros.js: Test macros hook.io module
*
* (C) 2011 Marak Squires, Charlie Robbins
* MIT LICENCE
*
*/
var assert = require('assert'),
path = require('path'),
spawn = require('child_process').spawn,
eyes = require('eyes'),
request = require('request'),
carapace = require('../../lib/carapace');
var carapaceBin = path.join(__dirname, '..', '..', 'bin', 'carapace');
var macros = exports;
macros.assertListen = function (port, vows) {
var context = {
topic: function () {
carapace.listen({ 'hook-port': port }, this.callback.bind(this, null));
},
"it should fire the `carapace::listening` event": function (_, name) {
assert.isTrue(carapace.listening);
}
};
return extendContext(context, vows);
};
macros.assertUse = function (plugins, vows) {
var context = {
topic: function () {
if (typeof plugins === 'string') {
carapace.use(carapace.plugins[plugins], this.callback.bind(this, null));
return undefined;
}
//
// should be an array
// we have to do this because carapace, preloads these plugins
//
var pg = plugins.map(function (plugin) {
return carapace.plugins[plugin];
});
carapace.use(pg, this.callback.bind(null, null));
},
"should have load the plugin(s)": function () {
if (typeof plugins === 'string') {
assert.isString(plugins);
assert.isFunction(carapace[plugins]);
return;
}
assert.isArray(plugins);
plugins.forEach(function (plugin) {
//
// Remark (drjackal): Hopefully nothing malicious in plugins...
//
assert.isFunction(carapace[plugin]);
});
}
};
return extendContext(context, vows);
};
macros.assertRun = function (script, argv, vows) {
var context = {
topic: function () {
carapace.on('carapace::running', this.callback.bind(this, null));
carapace.run(script, argv || []);
},
"should fire the `carapace::running` event": function (_, name) {
assert.equal(name, 'carapace::running');
},
"should rewrite process.argv transparently": function (_, name) {
assert.equal(process.argv[1], script);
}
};
return extendContext(context, vows);
};
macros.assertSpawn = function (PORT, script, argv, vows) {
argv = argv.slice(0);
argv.push(script);
var context = {
topic: function () {
var that = this,
child = spawn(carapaceBin, ['--hook-port', PORT, script].concat(argv));
child.stdout.once('data', that.callback.bind(null, null, child));
},
"should respond with the proper wrapped script output": function (_, child, data) {
assert.notEqual(data.toString().indexOf(script), -1);
}
}
return extendContext(context, vows);
};
macros.assertParentSpawn = function (PORT, script, argv, cwd, vows) {
argv = argv.slice(0);
argv.push(script);
var context = {
"when spawning a child carapace": {
topic: function () {
var that = this,
child = spawn(carapaceBin, ['--hook-port', PORT].concat(argv));
carapace.on('*::port', function onPort (source, ev, port) {
if (port && port !== carapace['hook-port']) {
that.port = port;
that.callback(null, source, ev, port, child);
carapace.removeListener('*::port', onPort);
}
});
},
"should emit the `*::port` event": {
topic: function (source, ev, port, child) {
this.callback(null, source, ev, port, child);
},
"with the correct port": function (err, source, event, port, child) {
assert.equal(event, '*::port');
assert.equal(port, this.port);
assert.notEqual(port, carapace['hook-port'])
},
"should correctly start the HTTP server": {
topic: function (_,_,_,child) {
request({ uri: 'http://localhost:' + this.port }, this.callback.bind(null, null, child));
},
"that responds with a cwd": function (_, child, err, res, body) {
child.kill();
assert.equal(body, cwd);
},
}
}
}
};
return extendContext(context, vows);
};
function extendContext (context, vows) {
if (vows) {
if (vows.topic) {
console.log('Cannot include topic at top-level of nested vows:');
eyes.inspect(vows, 'vows');
process.exit(1);
}
Object.keys(vows).forEach(function (key) {
context[key] = vows[key];
});
}
return context;
}