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[Common UI] Spec for ViewSwitcherController

Browse Source 
Fill in spec for the controller which maintains a set of
applicable and selected view options to populate the
view switcher. Part of Browse mode and, in turn, part
of the common user interface elements that are being
transitioned for WTD-574.
This commit is contained in:
Victor Woeltjen 2014-11-25 19:46:56 -08:00
parent 9bc05f27a5
commit 528f6bdf56
2 changed files with 78 additions and 4 deletions
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10
platform/commonUI/browse/src/ViewSwitcherController.js
View File

@ -31,8 +31,8 @@ define(
}
// Get list of views, read from capability
$scope.$watch("view", function () {
var options = $scope.view || [ {} ];
function updateOptions(views) {
var options = views || [];
$scope.switcher = {
options: options,
@ -41,7 +41,11 @@ define(
($scope.switcher || {}).selected
)
};
});
}
// Update view options when the in-scope results of using the
// view capability change.
$scope.$watch("view", updateOptions);
}
return ViewSwitcherController;

72
platform/commonUI/browse/test/ViewSwitcherControllerSpec.js
View File

@ -5,11 +5,81 @@
*/
define(
["../src/ViewSwitcherController"],
function (BrowseController) {
function (ViewSwitcherController) {
"use strict";
describe("The view switcher controller", function () {
var mockScope,
controller;
beforeEach(function () {
mockScope = jasmine.createSpyObj("$scope", [ "$watch" ]);
controller = new ViewSwitcherController(mockScope);
});
it("watches for changes in applicable views", function () {
// The view capability is used by associated
// representations, so "view" in scope should always
// be the list of applicable views. The view switcher
// controller should be watching this.
expect(mockScope.$watch).toHaveBeenCalledWith(
"view",
jasmine.any(Function)
);
});
it("updates available options to reflect views", function () {
var views = [
{ key: "a", name: "View A" },
{ key: "b", name: "View B" },
{ key: "c", name: "View C" },
{ key: "d", name: "View D" }
];
mockScope.$watch.mostRecentCall.args[1](views);
expect(mockScope.switcher.options).toEqual(views);
});
it("maintains the current selection when views change", function () {
var views = [
{ key: "a", name: "View A" },
{ key: "b", name: "View B" },
{ key: "c", name: "View C" },
{ key: "d", name: "View D" }
];
mockScope.$watch.mostRecentCall.args[1](views);
mockScope.switcher.selected = views[1];
// Change the set of applicable views
mockScope.$watch.mostRecentCall.args[1]([
{ key: "a", name: "View A" },
{ key: "b", name: "View B" },
{ key: "x", name: "View X" }
]);
// "b" is still in there, should remain selected
expect(mockScope.switcher.selected).toEqual(views[1]);
});
it("chooses a default if a selected view becomes inapplicable", function () {
var views = [
{ key: "a", name: "View A" },
{ key: "b", name: "View B" },
{ key: "c", name: "View C" },
{ key: "d", name: "View D" }
];
mockScope.$watch.mostRecentCall.args[1](views);
mockScope.switcher.selected = views[1];
// Change the set of applicable views
mockScope.$watch.mostRecentCall.args[1]([
{ key: "a", name: "View A" },
{ key: "c", name: "View C" },
{ key: "x", name: "View X" }
]);
// "b" is still in there, should remain selected
expect(mockScope.switcher.selected).not.toEqual(views[1]);
});
});
}