terriajs/test/Map/LegendUrlSpec.js

Geospatial data visualization platform.

"use strict";

var LegendUrl = require('../../lib/Map/LegendUrl');

describe('LegendUrl', function() {
    describe('isImage', function() {
        it('should be true for a png mime type', function() {
            var legend = new LegendUrl('http://example.com', 'image/png');
            expect(legend.isImage()).toBe(true);
        });

        it('should be false for no mime type', function() {
            var legend = new LegendUrl('http://example.com');
            expect(legend.isImage()).toBe(false);
        });

        it('should be false for non-image mime type', function() {
            var legend = new LegendUrl('http://example.com', 'application/json');
            expect(legend.isImage()).toBe(false);
        });

        it('should be true for no mime type but .png extension', function() {
            var legend = new LegendUrl('http://example.com/image.png');
            expect(legend.isImage()).toBe(true);
        });

        it('should be true for png mime type and extension', function() {
            var legend = new LegendUrl('http://example.com/image.png', 'image/png');
            expect(legend.isImage()).toBe(true);
        });

        it('should be false for non-image mime type but .png extension', function() {
            var legend = new LegendUrl('http://example.com/image.png', 'application/json');
            expect(legend.isImage()).toBe(false);
        });

        it('should be false for non-png extension', function() {
            var legend = new LegendUrl('http://example.com/image.exe');
            expect(legend.isImage()).toBe(false);
        });
    });
});