iD/test/spec/core/context.js

describe('iD.Context', function() {
    var assets = {
        'iD/img/loader.gif': '/assets/iD/img/loader-b66184b5c4afbccc25f.gif'
    };

    describe('#assetPath', function() {
        it('sets and gets assetPath', function() {
            var context = iD.Context();
            expect(context.assetPath()).to.eql('');

            context.assetPath('iD/');
            expect(context.assetPath()).to.eql('iD/');
        });
    });

    describe('#assetMap', function() {
        it('sets and gets assetMap', function() {
            var context = iD.Context();
            expect(context.assetMap()).to.eql({});

            context.assetMap(assets);
            expect(context.assetMap()).to.eql(assets);
        });
    });

    describe('#asset', function() {
        var context;
        beforeEach(function() {
            context = iD.Context().assetPath('iD/').assetMap(assets);
        });

        it('looks first in assetMap', function() {
            expect(context.asset('img/loader.gif')).to.eql('/assets/iD/img/loader-b66184b5c4afbccc25f.gif');
        });
        it('falls back to prepending assetPath', function() {
            expect(context.asset('img/spinner.gif')).to.eql('iD/img/spinner.gif');
        });
    });

    describe('#imagePath', function() {
        var context;
        beforeEach(function() {
            context = iD.Context().assetPath('iD/').assetMap(assets);
        });

        it('looks first in assetMap', function() {
            expect(context.imagePath('loader.gif')).to.eql('/assets/iD/img/loader-b66184b5c4afbccc25f.gif');
        });
        it('falls back to prepending assetPath', function() {
            expect(context.imagePath('spinner.gif')).to.eql('iD/img/spinner.gif');
        });
    });

    describe('#debug', function() {
        it('sets and gets debug flags', function() {
            var context = iD.Context(),
                flags = {
                    tile: false,
                    collision: false,
                    imagery: false,
                    imperial: false,
                    driveLeft: false,
                    target: false
                };

            expect(context.debugFlags()).to.eql(flags);

            context.setDebug('tile', true);
            expect(context.getDebug('tile')).to.be.true;

            context.setDebug('collision');
            expect(context.getDebug('collision')).to.be.true;

            context.setDebug('tile', false);
            expect(context.getDebug('tile')).to.be.false;
        });
    });

});