Files
elasticsearch-js/test/integration/yaml-suite/index.js

593 lines
15 KiB
JavaScript

var path = require('path'),
fs = require('fs'),
async = require('async'),
jsYaml = require('js-yaml'),
expect = require('expect.js'),
server = require('./server'),
_ = require('../../../src/lib/utils'),
es = require('../../../src/elasticsearch'),
Minimatch = require('minimatch').Minimatch;
var argv = require('optimist')
.default('executable', path.join(process.env.ES_HOME, './bin/elasticsearch'))
.default('clusterName', 'yaml-test-runner')
.default('dataPath', '/tmp/yaml-test-runner')
.default('hostname', 'localhost')
.default('port', '9200')
.default('match', '**')
.boolean('createServer')
.argv;
Error.stackTraceLimit = Infinity;
// Where do the tests live?
var TEST_DIR = path.resolve(__dirname, '../../../es_api_spec/test/');
var doPattern = new Minimatch(argv.match);
// a reference to a personal instance of ES Server
var esServer = null;
// the client
var client = null;
// location that the logger will write to
var logFile = path.resolve(__dirname, './log');
// empty all of the indices in ES please
function clearIndices(done) {
client.indices.delete({
index: '*',
ignore: 404
}, done);
}
function createClient() {
if (client) {
client.close();
}
client = new es.Client({
hosts: [
{
hostname: esServer ? esServer.__hostname : argv.hostname,
port: esServer ? esServer.__port : argv.port
}
],
// log: null
log: {
type: 'file',
level: 'trace',
path: logFile
}
});
}
function createServer(done) {
server.start(argv, function (err, server) {
esServer = server;
done(err);
});
}
// before running any tests...
before(function (done) {
// start our personal ES Server
this.timeout(null);
if (argv.createServer) {
createServer(done);
} else {
createClient();
client.ping(function (err) {
if (err) {
createServer(done);
} else {
done();
}
})
}
});
before(function (done) {
// delete the integration log
fs.unlink(logFile, function (err) {
if (err && ~err.message.indexOf('ENOENT')) {
done();
} else {
done(err);
}
});
});
before(function () {
createClient();
});
before(clearIndices);
/**
* recursively crawl the directory, looking for yaml files which will be passed to loadFile
* @param {String} dir - The directory to crawl
* @return {undefined}
*/
function loadDir(dir) {
fs.readdirSync(dir).forEach(function (fileName) {
describe(fileName, function () {
var location = path.join(dir, fileName),
stat = fs.statSync(location);
if (stat.isFile() && fileName.match(/\.yaml$/) && doPattern.match(path.relative(TEST_DIR, location))) {
loadFile(location);
}
else if (stat.isDirectory()) {
loadDir(location);
}
});
});
}
/**
* The version that ES is running, in comparable string form XXX-XXX-XXX, fetched when needed
* @type {String}
*/
var ES_VERSION = null;
// core expression for finding a version
var versionExp = '([\\d\\.]*\\d)(?:\\.\\w+)?';
/**
* Regular Expression to extract a version number from a string
* @type {RegExp}
*/
var versionRE = new RegExp(versionExp);
/**
* Regular Expression to extract a version range from a string
* @type {RegExp}
*/
var versionRangeRE = new RegExp(versionExp + '\\s*\\-\\s*' + versionExp);
/**
* Fetches the client.info, and parses out the version number to a comparable string
* @param done {Function} - callback
*/
function getVersionFromES(done) {
client.info({}, function (err, resp) {
if (err) {
throw new Error('unable to get info about ES');
}
expect(resp.version.number).to.match(versionRE);
ES_VERSION = versionToComparableString(versionRE.exec(resp.version.number)[1]);
done();
});
}
/**
* Transform x.x.x into xxx.xxx.xxx, striping off any text at the end like beta or pre-alpha35
*
* @param {String} version - Version number represented as a string
* @return {String} - Version number represented as three numbers, seperated by -, all numbers are
* padded with 0 and will be three characters long so the strings can be compared.
*/
function versionToComparableString(version) {
var parts = _.map(version.split('.'), function (part) {
part = '' + _.parseInt(part);
return (new Array(4 - part.length)).join('0') + part;
});
while (parts.length < 3) {
parts.push('000');
}
return parts.join('-');
}
/**
* Compare a version range to the ES_VERSION, determining if the current version
* falls within the range.
*
* @param {String} rangeString - a string representing two version numbers seperated by a "-"
* @return {Boolean} - is the current version within the range (inclusive)
*/
function rangeMatchesCurrentVersion(rangeString, done) {
function doWork() {
expect(rangeString).to.match(versionRangeRE);
var range = versionRangeRE.exec(rangeString);
range = _.map(_.last(range, 2), versionToComparableString);
done(ES_VERSION >= range[0] && ES_VERSION <= range[1]);
}
if (!ES_VERSION) {
getVersionFromES(doWork);
} else {
doWork();
}
}
/**
* read the file's contents, parse the yaml, pass to makeTestFromYamlDoc
*
* @param {String} path - Full path to yaml file
* @return {undefined}
*/
function loadFile(location) {
jsYaml.loadAll(
fs.readFileSync(location, { encoding: 'utf8' }),
function (doc) {
makeTestFromYamlDoc(doc);
},
{
filename: location
}
);
}
/**
* Read the test descriptions from a yaml document (usually only one test, per doc but
* sometimes multiple docs per file, and because of the layout there COULD be
* multiple test per test...)
*
* @param {Object} testConfigs - The yaml document
* @return {undefined}
*/
function makeTestFromYamlDoc(yamlDoc, count) {
var setup;
if (_.has(yamlDoc, 'setup')) {
(new ActionRunner(yamlDoc.setup)).each(function (action, name) {
before(action);
});
delete yamlDoc.setup;
}
_.forOwn(yamlDoc, function (test, description) {
describe(description, function () {
var actions = new ActionRunner(test);
actions.each(function (action, name) {
it(name, action);
});
});
});
// after running the tests, remove all indices
after(clearIndices);
}
/**
* Class to wrap a single document from a yaml test file
*
* @constructor
* @class ActionRunner
* @param actions {Array} - The array of actions directly from the Yaml file
*/
function ActionRunner(actions) {
this._actions = [];
this._stash = {};
this._last_requests_response = null;
// setup the actions, creating a bound and testable method for each
_.each(this.flattenTestActions(actions), function (action, i) {
// get the method that will do the action
var method = this['do_' + action.name];
var runner = this;
// check that it's a function
expect(method).to.be.a('function');
if (typeof action.args === 'object') {
action.name += ' ' + Object.keys(action.args).join(', ');
} else {
action.name += ' ' + action.args;
}
// wrap in a check for skipping
action.bound = _.bind(method, this, action.args);
// create a function that can be passed to
action.testable = function (done) {
if (runner.skipping) {
return done();
}
if (method.length > 1) {
action.bound(done);
} else {
action.bound();
done();
}
};
this._actions.push(action);
}, this);
}
ActionRunner.prototype = {
/**
* convert tests actions
* from: [ {name:args, name:args}, {name:args}, ... ]
* to: [ {name:'', args:'' }, {name:'', args:''} ]
* so it's easier to work with
* @param {ArrayOfObjects} config - Actions to be taken as defined in the yaml specs
*/
flattenTestActions: function (config) {
// creates [ [ {name:"", args:"" }, ... ], ... ]
// from [ {name:args, name:args}, {name:args} ]
var actionSets = _.map(config, function (set) {
return _.map(_.pairs(set), function (pair) {
return { name: pair[0], args: pair[1] };
});
});
// do a single level flatten, merge=ing the nested arrays from step one
// into a master array, creating an array of action objects
return _.reduce(actionSets, function (note, set) {
return note.concat(set);
}, []);
},
/**
* Itterate over each of the actions, provides the testable function, and a name/description.
* return a litteral false to stop itterating
* @param {Function} ittr - The function to call for each action.
* @return {undefined}
*/
each: function (ittr) {
var action;
while (action = this._actions.shift()) {
if (ittr(action.testable, action.name) === false) {
break;
}
}
},
/**
* Get a value from the last response, using dot-notation
*
* Example
* ===
*
* get '_source.tags.1'
*
* from {
* _source: {
* tags: [
* 'one',
* 'two'
* ]
* }
* }
*
* returns 'two'
*
* @param {string} path - The dot-notation path to the value needed.
* @return {*} - The value requested, or undefined if it was not found
*/
get: function (path, from) {
var i
, log = process.env.LOG_GETS && !from ? console.log.bind(console) : function () {};
if (!from) {
if (path[0] === '$') {
from = this._stash;
path = path.substring(1);
} else {
from = this._last_requests_response;
}
}
log('getting', path, 'from', from);
var steps = path ? path.split('.') : []
, remainingSteps;
for (i = 0; from != null && i < steps.length; i++) {
if (typeof from[steps[i]] === 'undefined') {
remainingSteps = steps.slice(i).join('.').replace(/\\\./g, '.');
from = from[remainingSteps];
break;
} else {
from = from[steps[i]];
}
}
log('found', typeof from !== 'function' ? from : 'function');
return from;
},
/**
* Do a skip operation, setting the skipping flag to true if the version matches
* the range defined in args.version
*
* @param args
* @param done
*/
do_skip: function (args, done) {
rangeMatchesCurrentVersion(args.version, _.bind(function (match) {
if (match) {
this.skipping = true;
// console.log('skipping the rest of these actions' + (args.reason ? ' because ' + args.reason : ''));
} else {
this.skipping = false;
}
done();
}, this));
},
/**
* Do a request, as outlined in the args
*
* @param {[type]} args [description]
* @param {Function} done [description]
* @return {[type]} [description]
*/
do_do: function (args, done) {
var catcher;
// resolve the catch arg to a value used for matching once the request is complete
switch (args.catch) {
case void 0:
catcher = null;
break;
case 'missing':
catcher = 404;
break;
case 'conflict':
catcher = 409;
break;
case 'forbidden':
catcher = 403;
break;
case 'request':
catcher = /.*/;
break;
case 'param':
catcher = TypeError;
break;
default:
catcher = args.catch.match(/^\/(.*)\/$/);
if (catcher) {
catcher = new RegExp(catcher[1]);
}
}
delete args.catch;
var action = Object.keys(args).pop()
, clientActionName = _.map(action.split('.'), _.camelCase).join('.')
, clientAction = this.get(clientActionName, client)
, params = _.transform(args[action], function (note, val, name) {
note[name] = (typeof val === 'string' && val[0] === '$') ? this.get(val) : val;
}, {}, this);
expect(clientAction || clientActionName).to.be.a('function');
if (typeof clientAction === 'function') {
if (_.isNumeric(catcher)) {
params.ignore = _.union(params.ignore || [], [catcher]);
catcher = null;
}
clientAction.call(client, params, _.bind(function (error, body, status) {
this._last_requests_response = body;
if (error) {
if (catcher) {
if (catcher instanceof RegExp) {
// error message should match the regexp
expect(error.message).to.match(catcher);
error = null;
} else if (typeof catcher === 'function') {
// error should be an instance of
expect(error).to.be.a(catcher);
error = null;
} else {
return done(new Error('Invalid catcher ' + catcher));
}
} else {
return done(error);
}
}
done(error);
}, this));
} else {
done(new Error('stepped in do_do, did not find a function'));
}
},
/**
* Set a value from the respose into the stash
*
* Example
* ====
* { _id: id } # stash the value of `response._id` as `id`
*
* @param {Object} args - The object set to the "set" key in the test
* @return {undefined}
*/
do_set: function (args) {
_.forOwn(args, function (name, path) {
this._stash[name] = this.get(path);
}, this);
},
/**
* Test that the specified path exists in the response and has a
* true value (eg. not 0, false, undefined, null or the empty string)
*
* @param {string} path - Path to the response value to test
* @return {undefined}
*/
do_is_true: function (path) {
expect(this.get(path)).to.be.ok;
},
/**
* Test that the specified path exists in the response and has a
* false value (eg. 0, false, undefined, null or the empty string)
*
* @param {string} path - Path to the response value to test
* @return {undefined}
*/
do_is_false: function (path) {
expect(this.get(path)).to.not.be.ok;
},
/**
* Test that the response field (arg key) matches the value specified
*
* @param {Object} args - Hash of fields->values that need to be checked
* @return {undefined}
*/
do_match: function (args) {
_.forOwn(args, function (val, path) {
if (val[0] === '$') {
val = this.get(val);
}
expect(this.get(path), path).to.eql(val, path);
}, this);
},
/**
* Test that the response field (arg key) is less than the value specified
*
* @param {Object} args - Hash of fields->values that need to be checked
* @return {undefined}
*/
do_lt: function (args) {
_.forOwn(args, function (num, path) {
expect(this.get(path)).to.be.below(num);
}, this);
},
/**
* Test that the response field (arg key) is greater than the value specified
*
* @param {Object} args - Hash of fields->values that need to be checked
* @return {undefined}
*/
do_gt: function (args) {
_.forOwn(args, function (num, path) {
expect(this.get(path)).to.be.above(num);
}, this);
},
/**
* Test that the response field (arg key) has a length equal to that specified.
* For object values, checks the length of the keys.
*
* @param {Object} args - Hash of fields->values that need to be checked
* @return {undefined}
*/
do_length: function (args) {
_.forOwn(args, function (len, path) {
expect(_.size(this.get(path))).to.be(len);
}, this);
}
};
loadDir(TEST_DIR);