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Prototyper/test/test.helpers.js
2015-07-01 17:04:10 +02:00

363 lines
9.9 KiB
JavaScript

'use strict';
//noinspection JSUnresolvedVariable
var libpath = process.env.PROTOTYPER_COV ? '../lib-cov' : '../lib';
var helpers = require(libpath + '/helpers.js');
var markers = require(libpath + '/markers.js');
var chai = require('chai');
chai.config.includeStack = true; // defaults to false
chai.config.showDiff = false; // defaults to false
var expect = chai.expect;
var when = require('when');
describe('Helpers', function () {
var config = {
debug: function () {
//console.log(arguments);
},
error: function () {
//console.error(arguments);
}
};
var markersInstance = markers(config);
var marker_prefix = '<!--\\s*@@';
var marker_postfix = '\\s*-->';
var helper = helpers({
prefix: marker_prefix,
postfix: marker_postfix
});
describe('replace', function () {
describe('non matching text input', function () {
function testText(text) {
return function testText(done) {
function onSuccess(result) {
try {
expect(result).to.be.an('object');
expect(result).to.be.empty;
} catch (e) {
return done(e);
}
done();
}
function onFailure(err) {
done(err);
}
var promise = helper.replace(text, null, null, true);
expect(when.isPromise(promise)).to.be.ok;
promise.then(onSuccess, onFailure);
};
}
var i, values = [null, undefined, '', 'hello', {}, []];
for (i = 0; i < values.length; i += 1) {
it('should ignore non text input ' + values[i], testText(values[i]));
}
});
describe('check getReplacement', function () {
it('should call getReplacement fail on error', function (done) {
var marker = '<!-- @@null -->';
var text = 'hello' + marker + 'world';
function getReplacement(result, callback) {
expect(result).to.be.equal(marker);
expect(callback).to.be.a('function');
callback('replacementError');
}
var promise = helper.replace(text, null, getReplacement, true);
expect(when.isPromise(promise)).to.be.ok;
promise.then(
function onSuccess(result) {
done(new Error(JSON.stringify(result)));
}, function onFailure(err) {
expect(err).to.equal('replacementError');
done();
}
);
});
it('should call getReplacement (once)', function (done) {
var marker = '<!-- @@null -->';
var text = 'Hello' + marker + 'World' + marker + '!!';
function getReplacement(result, callback) {
expect(result).to.be.equal(marker);
expect(callback).to.be.a('function');
callback(null, {});
}
var once = true;
var promise = helper.replace(text, null, getReplacement, once);
expect(when.isPromise(promise)).to.be.ok;
promise.then(
function onSuccess(result) {
try {
expect(result).to.be.instanceof(Array);
expect(result).to.have.length(1); // due to once == true
expect(result[0]).to.be.ok;
expect(result[0].replacement).to.not.be.ok;
expect(result[0]).to.have.property('regExp');
expect(result[0].regExp.source).to.equal('<!--\\s*@@null\\s*-->');
} catch (e) {
// work around 'when eating exceptions'
return done(e);
}
done();
}, function onFailure(err) {
done(new Error(JSON.stringify(err)));
}
);
});
it('should call getReplacement', function (done) {
var marker = '<!-- @@null -->';
var text = 'Hello' + marker + 'World' + marker + '!!';
function getReplacement(result, callback) {
expect(result).to.be.equal(marker);
expect(callback).to.be.a('function');
callback(null, {
regExp: new RegExp('What?'),
value: '#'
});
}
var once = false;
var promise = helper.replace(text, null, getReplacement, once);
expect(when.isPromise(promise)).to.be.ok;
promise.then(
function onSuccess(result) {
try {
expect(result).to.be.instanceof(Array);
expect(result).to.have.length(2); // due to 'once' being false
var i;
for (i = 0; i < result.length; i += 1) {
expect(result[i]).to.be.ok;
expect(result[i]).to.have.property('replacement', '#');
expect(result[i]).to.have.property('regExp');
expect(result[i].regExp.source).to.equal('What?');
}
} catch (e) {
// work around 'when eating exceptions'
return done(e);
}
done();
}, function onFailure(err) {
done(new Error(JSON.stringify(err)));
}
);
});
});
describe('complex regexp', function () {
it('should handle variable tags', function (done) {
var marker_tag = 'test__([A-Za-z0-9]+)';
var marker1 = '<!-- @@test__A -->';
var marker2 = '<!-- @@test__B -->';
var text = 'Hello' + marker1 + 'World' + marker2 + '!!';
var called = 0;
function getReplacement(result, callback) {
if (called) {
expect(result).to.be.equal(marker2);
} else {
called += 1;
expect(result).to.be.equal(marker1);
}
expect(callback).to.be.a('function');
callback(null, {
regExp: new RegExp('What?'),
value: '#'
});
}
var once = false;
var promise = helper.replace(text, marker_tag, getReplacement, once);
expect(when.isPromise(promise)).to.be.ok;
promise.then(
function onSuccess(result) {
try {
expect(result).to.be.instanceof(Array);
expect(result).to.have.length(2); // due to 'once' being false
var i;
for (i = 0; i < result.length; i += 1) {
expect(result[i]).to.be.ok;
expect(result[i]).to.have.property('replacement', '#');
expect(result[i]).to.have.property('regExp');
expect(result[i].regExp.source).to.equal('What?');
}
} catch (e) {
// work around 'when eating exceptions'
return done(e);
}
done();
}, function onFailure(err) {
done(new Error(JSON.stringify(err)));
}
);
});
it('should handle tags in tags', function (done) {
var marker_tag = 'test_([A-Za-z0-9]+)__([\\w\\W]*?)__\\1_test';
var marker1 = '<!-- @@test_A__ -->';
var marker2 = '<!-- @@__A_test -->';
var marker3 = '<!-- @@test_B____B_test -->';
var text = 'Hello' + marker1 + 'World' + marker2 + '!!' + marker3 +
'Greetings' + marker1 + 'Earthlings' + marker3 + '!!' + marker2;
var called = 0;
function getReplacement(result, callback) {
//console.log('result',called,result);
if (called === 2) {
expect(result).to.be.equal('<!-- @@test_A__ -->Earthlings<!-- @@test_B____B_test -->!!<!-- @@__A_test -->');
} else if (called === 1) {
expect(result).to.be.equal('<!-- @@test_B____B_test -->');
} else {
expect(result).to.be.equal('<!-- @@test_A__ -->World<!-- @@__A_test -->');
}
called += 1;
expect(callback).to.be.a('function');
callback(null, {
regExp: new RegExp('What?'),
value: '#'
});
}
var once = false;
var promise = helper.replace(text, marker_tag, getReplacement, once);
expect(when.isPromise(promise)).to.be.ok;
promise.then(
function onSuccess(result) {
try {
expect(result).to.be.instanceof(Array);
expect(result).to.have.length(3); // due to 'once' being false
var i;
for (i = 0; i < result.length; i += 1) {
expect(result[i]).to.be.ok;
expect(result[i]).to.have.property('replacement', '#');
expect(result[i]).to.have.property('regExp');
expect(result[i].regExp.source).to.equal('What?');
}
} catch (e) {
// work around 'when eating exceptions'
return done(e);
}
done();
}, function onFailure(err) {
done(new Error(JSON.stringify(err)));
}
);
});
});
});
describe('handTextManipulation', function () {
function testText(text) {
return function (done) {
helper.handTextManipulation(text, [], null, function (err, handledText) {
try {
expect(text).to.equal(handledText);
} catch (e) {
return done(e);
}
done();
});
};
}
var i, values = [null, undefined, '', 'hello', {}, []];
for (i = 0; i < values.length; i += 1) {
it('should return input when there are no promisses ' + values[i], testText(values[i]));
}
it('should callback with an error when one of the promises fails', function (done) {
var d1 = when.defer();
var p1 = d1.promise;
d1.resolve('good');
var d2 = when.defer();
var p2 = d2.promise;
d2.reject('fail');
helper.handTextManipulation(null, [p1, p2], null, function (err, handledText) {
try {
expect(err).to.equal('fail');
} catch (e) {
return done(e);
}
done();
});
});
it('should callback with an error when handler is missing', function (done) {
var d1 = when.defer();
var p1 = d1.promise;
d1.resolve('good');
var d2 = when.defer();
var p2 = d2.promise;
d2.resolve('fine');
helper.handTextManipulation(null, [p1, p2], null, function (err, handledText) {
try {
expect(err).to.be.an.instanceof(Error);
expect(handledText).to.not.be.ok;
} catch (e) {
return done(e);
}
done();
});
});
it('should callback with an error when handler is missing', function (done) {
var d1 = when.defer();
var p1 = d1.promise;
d1.resolve(['good', 'better', 'best']);
var d2 = when.defer();
var p2 = d2.promise;
d2.resolve(['fine', 'finer']);
function handler(text, result) {
return text.replace(result, '---');
}
var text = 'better than fine';
helper.handTextManipulation(text, [p1, p2], handler, function (err, handledText) {
try {
expect(err).to.not.be.ok;
expect(handledText).to.be.eql('--- than ---');
} catch (e) {
return done(e);
}
done();
});
});
});
describe('createTag', function () {
it('should create a simple tag', function () {
expect(markersInstance.createTag('type', 'collection', 'name', 'attribute')).
to.be.equal('<!-- @@type__collection_name_attribute -->');
});
});
});