bower/test/commands/lookup.js

var expect = require('expect.js');
var helpers = require('../helpers');

var lookup = helpers.command('lookup');

describe('bower lookup', function () {

    var lookupWithResult = function (response) {
        return helpers.command('lookup', {
            '../core/PackageRepository': function () {
                return {
                    getRegistryClient: function () {
                        return {
                            lookup: function (query, callback) {
                                if (query in response) {
                                    callback(null, response[query]);
                                } else {
                                    callback();
                                }
                            }
                        };
                    }
                }
            }
        });
    };

    it('correctly reads arguments', function () {
        expect(lookup.readOptions(['jquery']))
        .to.eql(['jquery']);
    });

    it('lookups package by name', function () {
        var lookup = lookupWithResult({ jquery: { url: 'http://jquery.org' } });

        return helpers.run(lookup, ['jquery']).spread(function (result) {
            expect(result).to.eql({
                name: 'jquery',
                url: 'http://jquery.org'
            });
        });
    });

    it('returns null if no package is found', function () {
        var lookup = lookupWithResult({ jquery: { url: 'http://jquery.org' } });

        return helpers.run(lookup, ['foobar']).spread(function (result) {
            expect(result).to.eql(null);
        });
    });

    it('returns null if called without argument', function () {
        var lookup = lookupWithResult({ jquery: { url: 'http://jquery.org' } });

        return helpers.run(lookup, []).spread(function (result) {
            expect(result).to.eql(null);
        });
    });
});