openmct/platform/representation/test/TemplatePrefetcherSpec.js

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 * as represented by the Administrator of the National Aeronautics and Space
 * Administration. All rights reserved.
 *
 * Open MCT is licensed under the Apache License, Version 2.0 (the
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 * License for the specific language governing permissions and limitations
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define(
    ["../src/TemplatePrefetcher"],
    function (TemplatePrefetcher) {

        describe("TemplatePrefetcher", function () {
            var mockTemplateLinker,
                testExtensions,
                testPathPrefix,
                prefetcher;

            beforeEach(function () {
                testPathPrefix = "some/path/";

                mockTemplateLinker = jasmine.createSpyObj(
                    'templateLinker',
                    ['getPath', 'load']
                );

                mockTemplateLinker.getPath.andCallFake(function (ext) {
                    return testPathPrefix + ext.templateUrl;
                });

                testExtensions = ['a', 'b', 'c'].map(function (category) {
                    return ['x', 'y', 'z'].map(function (ext) {
                        return {
                            templateUrl: category + '/' + ext + '.html'
                        };
                    });
                });

                prefetcher = new TemplatePrefetcher(
                    mockTemplateLinker,
                    testExtensions[0],
                    testExtensions[1],
                    testExtensions[2]
                );
            });

            it("loads all templates when run", function () {
                testExtensions.forEach(function (category) {
                    category.forEach(function (extension) {
                        expect(mockTemplateLinker.load).toHaveBeenCalledWith(
                            mockTemplateLinker.getPath(extension)
                        );
                    });
                });
            });

        });
    }
);