SelectionManager_Tests.js

/// <reference path="qunit/qunit.js" />
/// <reference path="../lib/jquery-1.7.js" />
/// <reference path="../lib/knockout-2.0.0.debug.js" />
/// <reference path="../koGrid.debug.js" />

kgTest.getSelectionData = function () {
    return ko.observableArray([
        { 'Sku': ko.observable('C-2820164'), 'Vendor': 'NEWB', 'SeasonCode': '542', 'Mfg_Id': ko.observable('573-9880954'), 'UPC': '822860449228' },
        { 'Sku': ko.observable('J-8555462'), 'Vendor': 'NIKE', 'SeasonCode': '3935', 'Mfg_Id': ko.observable('780-8855467'), 'UPC': '043208523549' },
        { 'Sku': ko.observable('K-5312708'), 'Vendor': 'REEB', 'SeasonCode': '1293', 'Mfg_Id': ko.observable('355-6906843'), 'UPC': '229487568922' },
        { 'Sku': ko.observable('W-4295255'), 'Vendor': 'REEB', 'SeasonCode': '6283', 'Mfg_Id': ko.observable('861-4929378'), 'UPC': '644134774391' }
    ]);
};

module("Selection Tests");

test("Basic Selection Smoke Test", function () {

    var data = kgTest.getSelectionData();
    var item = ko.observable();
    var items = ko.observableArray([]);
    var index = ko.observable(0);


    var manager = new kg.SelectionManager({
        isMultiSelect: true,
        selectedItem: item,
        selectedItems: items,
        selectedIndex: index,
        data: data
    });

    ok(manager, 'Manager Instantiated!');
    equals(manager.selectedItemCount(), 0, 'Defaults to no selected items!');
});

test("Toggle Select-All is false with no items", function () {

    var data = ko.observableArray([]);
    var item = ko.observable();
    var items = ko.observableArray([]);
    var index = ko.observable(0);


    var manager = new kg.SelectionManager({
        isMultiSelect: true,
        selectedItem: item,
        selectedItems: items,
        selectedIndex: index,
        data: data
    });

    ok(manager, 'Manager Instantiated!');
    equals(manager.selectedItemCount(), 0, 'Defaults to no selected items!');
    ok(!manager.toggleSelectAll(), "Toggle Select All is False when no items are present");
});

test("Toggle Select-All is false with only some items", function () {

    var data = kgTest.getSelectionData();
    var item = ko.observable();
    var items = ko.observableArray([]);
    var index = ko.observable(0);


    var manager = new kg.SelectionManager({
        isMultiSelect: true,
        selectedItem: item,
        selectedItems: items,
        selectedIndex: index,
        data: data,
        lastClickedRow: ko.observable()
    });

    var entity = data()[1];

    entity['__kg_selected__'] = ko.observable(true);
    var row = new kg.Row(entity, {selectWithCheckboxOnly: false, canSelectRows: true, selectedItems: ko.observableArray([])}, manager);
    manager.changeSelection(row, {shiftKey: false, ctrlKey: false});

    ok(manager, 'Manager Instantiated!');
    equals(manager.selectedItemCount(), 1, 'One item is correctly selected');
    equals(manager.toggleSelectAll(), false, "Toggle Select-All is false with only some items");
});


test("Toggle Select-All actually selects all", function () {

    var data = kgTest.getSelectionData();
    var item = ko.observable();
    var items = ko.observableArray([]);
    var index = ko.observable(0);


    var manager = new kg.SelectionManager({
        isMultiSelect: true,
        selectedItem: item,
        selectedItems: items,
        selectedIndex: index,
        data: data,
        lastClickedRow: ko.observable()
    });

    manager.toggleSelectAll(true);

    equals(manager.selectedItemCount(), 4, 'All items are counted as selected');
    equals(manager.toggleSelectAll(), true, "Toggle Select All indicates all items are selected");
});

test("Toggle Select-All actually de-selects all", function () {

    var data = kgTest.getSelectionData();
    var item = ko.observable();
    var items = ko.observableArray([]);
    var index = ko.observable(0);


    var manager = new kg.SelectionManager({
        isMultiSelect: true,
        selectedItem: item,
        selectedItems: items,
        selectedIndex: index,
        data: data,
        lastClickedRow: ko.observable()
    });

    manager.toggleSelectAll(true);

    equals(manager.selectedItemCount(), 4, 'All items are counted as selected');
    equals(manager.toggleSelectAll(), true, "Toggle Select All indicates all items are selected");

    manager.toggleSelectAll(false);
    equals(manager.selectedItemCount(), 0, 'No items are counted as selected');
    equals(manager.toggleSelectAll(), false, "Toggle Select All indicates no items are selected");

});

test("De-select some items, then select-all should re-select all", function () {

    var data = kgTest.getSelectionData();
    var item = ko.observable();
    var items = ko.observableArray([]);
    var index = ko.observable(0);


    var manager = new kg.SelectionManager({
        isMultiSelect: true,
        selectedItem: item,
        selectedItems: items,
        selectedIndex: index,
        data: data,
        lastClickedRow: ko.observable()
    });

    // select everything
    manager.toggleSelectAll(true);

    // de-select one item
    var entity = data()[1];
    entity.__kg_selected__(false);
    var row = new kg.Row(entity, {selectWithCheckboxOnly: false, canSelectRows: true, selectedItems: ko.observableArray([])}, manager);
    manager.changeSelection(row, {shiftKey: false, ctrlKey: false});

    // make sure that was handled correctly
    equals(manager.selectedItemCount(), 3, 'Only 3 items are counted as selected');
    equals(manager.toggleSelectAll(), false, "Toggle Select All indicates not all items are selected");

    // now re-select all
    manager.toggleSelectAll(true);

    equals(manager.selectedItemCount(), 4, 'All items are counted as selected');
    equals(manager.toggleSelectAll(), true, "Toggle Select All indicates all items are selected");
});