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facets.spec.js
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facets.spec.js
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/*global describe, beforeEach, it */
var expect = require('chai-stack').expect,
trilby = require('trilby'),
facets = require('../'),
data = require('./fixtures/nobelprize.json');
describe('facets', function() {
var store, fields;
//fields = ['Year', 'Country', 'Sex', 'Joint?', 'Institution or individual?'];
fields = [
{ name: 'Year', type: 'number' },
'Country',
'Sex',
{ name: 'Joint?', type: 'boolean', map: function(value) { return value === 'Yes'; } },
'Institution or individual?'
];
beforeEach(function() {
store = facets({
fields: fields
}).data(data);
});
describe('collating', function() {
it('should only collate the supplied fields', function() {
expect(store.fields().length).to.equal(fields.length);
});
it('should collate options', function() {
expect(store.field('Country').options().length).to.equal(42);
});
it('should sort options', function() {
expect(store.field('Country').options(0).value).to.equal('Argentina');
});
it('should sort decorate numeric fields', function() {
expect(store.field('Year').min).to.equal(1901);
expect(store.field('Year').max).to.equal(2012);
});
});
describe('sorting', function() {
it('should sort the data', function() {
expect(store.sortsOn('Country').exec().data()[0]['Winner']).to.equal('Carlos Saavedra Lamas');
});
it('should do a complex sort', function() {
var store = facets().data([
{ Year: 2012, Letter: 'A', Value: 1, Winner: 'AB' },
{ Year: 2010, Letter: 'A', Value: 2, Winner: 'BC' },
{ Year: 2010, Letter: 'C', Value: 4, Winner: 'CD' },
{ Year: 2010, Letter: 'C', Value: 3, Winner: 'DE' },
{ Year: 2011, Letter: 'A', Value: 3, Winner: 'EF' }
]);
var sorted = store.sortsOn(['Year', 'Letter', 'Value']).exec();
expect(trilby(sorted.data()).pluck('Winner').join(',')).to.equal('BC,DE,CD,EF,AB');
});
});
describe('filtering', function() {
it('should filter the data and the field options', function() {
// Filter by Switzerland
store
.field('Country')
.filters(facets.filter.equals('Switzerland'));
var filtered = store.exec();
expect(filtered.data().length).to.equal(12);
expect(filtered.field('Country').options().length).to.equal(1);
// Filter the original store by a second field - joint winners
store
.field('Joint?')
.filters(facets.filter.equals(false));
var filtered2 = store.exec();
expect(filtered2.data().length).to.equal(8);
expect(filtered2.field('Joint?').options().length).to.equal(1);
// Filter the first filtered collection by the second field, and
// expect the result to be the same
filtered
.field('Joint?')
.filters(facets.filter.equals(false));
var filtered3 = filtered.exec();
expect(filtered3.data().length).to.equal(8);
expect(filtered3.field('Joint?').options().length).to.equal(1);
});
it('should filter the data using a range filter', function() {
// Filter by range 1980-1984
store
.field('Year')
.filters(facets.filter.range(1980, 1984));
var filtered = store.exec();
expect(filtered.data().length).to.equal(6);
expect(filtered.field('Year').min).to.equal(1980);
expect(filtered.field('Year').max).to.equal(1984);
});
it('should handle multiple filters', function() {
store
.field('Year')
.filters(facets.filter.range(1980, 1984));
store
.field('Country')
.filters(facets.filter.equals('Switzerland'));
var filtered = store.exec();
expect(filtered.data().length).to.equal(1);
expect(filtered.field('Year').min).to.equal(1981);
expect(filtered.field('Year').max).to.equal(1981);
expect(filtered.field('Country').options().length).to.equal(1);
});
});
describe('indexing', function() {
it('should calculate results ahead of time', function() {
expect(store.field('Country').option('Switzerland').results().length).to.equal(12);
});
it('should index an option ahead of time', function() {
expect(store.field('Country').index().option('Sweden').results().length).to.equal(5);
});
});
describe('matchers', function() {
describe('range', function() {
it('should work', function() {
var filter = facets.filter.range(5, 10);
expect(filter(7));
expect(filter(10));
expect(!filter(1));
});
});
describe('equals', function() {
it('should work', function() {
var filter = facets.filter.equals('foo');
expect(filter('foo'));
expect(!filter('bar'));
});
});
describe('greaterThan', function() {
it('should work', function() {
var filter = facets.filter.greaterThan(5);
expect(filter(10));
expect(!filter(1));
});
});
describe('lessThan', function() {
it('should work', function() {
var filter = facets.filter.lessThan(5);
expect(filter(1));
expect(!filter(5));
});
});
describe('contains', function() {
it('should work when case sensitive', function() {
var filter = facets.filter.contains('Foo', true);
expect(filter('Foobar'));
expect(!filter('foobar'));
});
it('should work when case insensitive', function() {
var filter = facets.filter.contains('Foo');
expect(filter('barFoo'));
expect(filter('barfoo'));
expect(!filter('barbaz'));
});
it('should work when an array', function() {
var filter = facets.filter.contains('FoO', true);
expect(filter(['FoO', 'bar']));
expect(!filter(['FoOo', 'bar']));
expect(!filter(['foobar', 'barbaz']));
});
it('should work when an array and case insensitive', function() {
var filter = facets.filter.contains('FoO');
expect(filter(['Foo', 'Bar']));
expect(filter(['Foooo', 'Bar']));
expect(!filter(['Foobar', 'Barbaz']));
});
});
describe('maybe', function() {
it('should work', function() {
var filter = facets.filter.maybe();
expect(filter(true));
expect(filter(1));
expect(!filter(false));
expect(!filter(''));
});
});
});
});