%PDF-
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Mini Shell
Mini Shell
$(document).ready(function () {
"use strict";
var a, c, b, models, comparator;
module("Backbone.PageableCollection - Client", {
setup: function () {
a = new Backbone.Model({"name": "a"});
c = new Backbone.Model({"name": "c"});
b = new Backbone.Model({"name": "b"});
models = [
{"name": "a"},
{"name": "c"},
{"name": "b"}
];
comparator = function (model) {
return model.get("name");
};
}
});
test("_makeFullCollection", function () {
var sync = function () {};
var col = new (Backbone.PageableCollection.extend({
url: "test/makeFullCollection",
model: Backbone.Model
}))();
col.sync = sync;
var fullCol = col._makeFullCollection(models,
{comparator: comparator});
ok(!_.isUndefined(fullCol));
ok(_.isUndefined(fullCol.constructor.prototype.comparator));
strictEqual(fullCol.comparator, comparator);
strictEqual(fullCol.sync, sync);
strictEqual(fullCol.constructor.prototype.model, Backbone.Model);
strictEqual(fullCol.model, Backbone.Model);
strictEqual(fullCol.constructor.prototype.url, "test/makeFullCollection");
strictEqual(fullCol.url, "test/makeFullCollection");
strictEqual(fullCol.at(0).get("name"), "a");
strictEqual(fullCol.at(1).get("name"), "b");
strictEqual(fullCol.at(2).get("name"), "c");
a.collection = col;
c.collection = col;
b.collection = col;
fullCol = col._makeFullCollection([
a, c, b
]);
strictEqual(fullCol.at(0).get("name"), "a");
strictEqual(fullCol.at(1).get("name"), "c");
strictEqual(fullCol.at(2).get("name"), "b");
strictEqual(fullCol.at(0).collection, col);
strictEqual(fullCol.at(1).collection, col);
strictEqual(fullCol.at(2).collection, col);
});
test("constructor", 28, function () {
// TODO: test options.full attaches comparator to fullcollection only
var col = new Backbone.PageableCollection(null, {
mode: "client"
});
ok(col);
ok(col.fullCollection);
var mods = models.slice();
col = new Backbone.PageableCollection(mods[0], {
mode: "client"
});
strictEqual(col.state.totalRecords, 1);
strictEqual(col.fullCollection.size(), 1);
strictEqual(col.fullCollection.at(0).get("name"), "a");
col = new Backbone.PageableCollection(mods, {
comparator: comparator,
state: {
pageSize: 2
},
mode: "client"
});
strictEqual(col.state.totalRecords, 3);
strictEqual(col.comparator, comparator);
strictEqual(col.size(), 2);
strictEqual(col.at(0).get("name"), "a");
strictEqual(col.at(1).get("name"), "b");
strictEqual(col.fullCollection.size(), 3);
strictEqual(col.at(0), col.fullCollection.at(0));
strictEqual(col.fullCollection.at(0).get("name"), "a");
strictEqual(col.fullCollection.at(1).get("name"), "b");
strictEqual(col.fullCollection.at(2).get("name"), "c");
mods = models.slice();
col = new Backbone.PageableCollection(mods, {
state: {
pageSize: 2,
sortKey: "name"
},
full: true,
mode: "client"
});
strictEqual(col.state.totalRecords, 3);
ok(col.fullCollection.comparator);
ok(!col.comparator);
strictEqual(col.size(), 2);
strictEqual(col.at(0).get("name"), "a");
strictEqual(col.at(1).get("name"), "b");
strictEqual(col.fullCollection.size(), 3);
strictEqual(col.fullCollection.at(0).get("name"), "a");
strictEqual(col.fullCollection.at(1).get("name"), "b");
strictEqual(col.fullCollection.at(2).get("name"), "c");
// make sure the given models are copied
col = new Backbone.PageableCollection(mods, {
state: {
pageSize: 2
},
mode: "client"
});
notStrictEqual(mods.length, col.models.length);
notDeepEqual(mods, col.models);
strictEqual(mods.length, col.fullCollection.length);
});
test("add", 49, function () {
var col = new Backbone.PageableCollection(models, {
state: {
pageSize: 2
},
mode: "client"
});
var lastTotalRecords = col.state.totalRecords;
var onAdd = function () {
strictEqual(col.state.totalRecords, lastTotalRecords + 1);
};
col.fullCollection.on("add", onAdd);
col.on("add", onAdd);
var d = new Backbone.Model({name: "d"});
col.add(d);
strictEqual(col.state.totalRecords, 4);
strictEqual(col.state.totalPages, 2);
strictEqual(col.fullCollection.size(), 4);
strictEqual(col.size(), 2);
strictEqual(col.at(0).get("name"), "a");
strictEqual(col.at(1).get("name"), "c");
strictEqual(col.fullCollection.at(0).get("name"), "a");
strictEqual(col.fullCollection.at(1).get("name"), "c");
strictEqual(col.fullCollection.at(2).get("name"), "d");
strictEqual(col.fullCollection.at(3).get("name"), "b");
lastTotalRecords = col.state.totalRecords;
var e = new Backbone.Model({name: "e"});
col.fullCollection.push(e);
strictEqual(col.state.totalRecords, 5);
strictEqual(col.state.totalPages, 3);
strictEqual(col.fullCollection.size(), 5);
strictEqual(col.size(), 2);
strictEqual(col.at(0).get("name"), "a");
strictEqual(col.at(1).get("name"), "c");
strictEqual(col.fullCollection.at(4).get("name"), "e");
strictEqual(col.indexOf(e.cid), -1);
lastTotalRecords = col.state.totalRecords;
var f = new Backbone.Model({name: "f"});
col.fullCollection.unshift(f);
strictEqual(col.state.totalRecords, 6);
strictEqual(col.state.totalPages, 3);
strictEqual(col.fullCollection.size(), 6);
strictEqual(col.size(), 2);
strictEqual(col.at(0).get("name"), "f");
strictEqual(col.at(1).get("name"), "a");
// test add at page col on page 2
col.getPage(2);
lastTotalRecords = col.state.totalRecords;
var g = new Backbone.Model({name: "g"});
col.add(g, {at: 1});
strictEqual(col.size(), 2);
strictEqual(col.fullCollection.size(), 7);
strictEqual(col.state.totalRecords, 7);
strictEqual(col.state.totalPages, 4);
strictEqual(col.state.lastPage, 4);
strictEqual(col.state.currentPage, 2);
strictEqual(col.last().get("name"), "g");
strictEqual(col.fullCollection.at(3).get("name"), "g");
// test ability to add to empty collection
col.fullCollection.reset();
lastTotalRecords = col.state.totalRecords;
col.add(new Backbone.Model({name: "a"}));
// test ability to add an array of models
col.off("add", onAdd);
col.fullCollection.off("add", onAdd);
col.fullCollection.reset();
col.add([{name: "a"}, {name: "c"}, {name: "b"}]);
strictEqual(col.size(), 2);
strictEqual(col.fullCollection.size(), 3);
deepEqual(col.toJSON(), [{name: "a"}, {name: "c"}]);
deepEqual(col.fullCollection.toJSON(), [{name: "a"}, {name: "c"}, {name: "b"}]);
col.fullCollection.reset();
col.fullCollection.add([{name: "a"}, {name: "c"}, {name: "b"}]);
strictEqual(col.size(), 2);
strictEqual(col.fullCollection.size(), 3);
deepEqual(col.toJSON(), [{name: "a"}, {name: "c"}]);
deepEqual(col.fullCollection.toJSON(), [{name: "a"}, {name: "c"}, {name: "b"}]);
});
test("remove", 84, function () {
var col = new Backbone.PageableCollection([
{"name": "a"},
{"name": "c"},
{"name": "b"},
{"name": "d"}
], {
state: {
pageSize: 2
},
mode: "client"
});
var lastTotalRecords = col.state.totalRecords;
var lastTotalPages = col.state.totalPages;
var onRemove = function () {
ok(true);
strictEqual(col.state.totalRecords, lastTotalRecords - 1);
strictEqual(col.state.totalPages, Math.ceil(col.state.totalRecords / col.state.pageSize));
};
col.on("remove", onRemove);
col.fullCollection.on("remove", onRemove);
col.fullCollection.remove(col.fullCollection.last());
strictEqual(col.state.totalRecords, 3);
strictEqual(col.state.totalPages, 2);
strictEqual(col.size(), 2);
strictEqual(col.at(0).get("name"), "a");
strictEqual(col.at(1).get("name"), "c");
strictEqual(col.fullCollection.size(), 3);
strictEqual(col.fullCollection.at(0).get("name"), "a");
strictEqual(col.fullCollection.at(1).get("name"), "c");
strictEqual(col.fullCollection.at(2).get("name"), "b");
lastTotalRecords = col.state.totalRecords;
lastTotalPages = col.state.totalPages;
col.fullCollection.remove(col.fullCollection.first());
strictEqual(col.state.totalRecords, 2);
strictEqual(col.state.totalPages, 1);
strictEqual(col.size(), 2);
strictEqual(col.at(0).get("name"), "c");
strictEqual(col.at(1).get("name"), "b");
strictEqual(col.fullCollection.size(), 2);
strictEqual(col.fullCollection.at(0).get("name"), "c");
strictEqual(col.fullCollection.at(1).get("name"), "b");
lastTotalRecords = col.state.totalRecords;
lastTotalPages = col.state.totalPages;
col.remove(col.first());
strictEqual(col.state.totalRecords, 1);
strictEqual(col.state.totalPages, 1);
strictEqual(col.size(), 1);
strictEqual(col.at(0).get("name"), "b");
strictEqual(col.fullCollection.size(), 1);
strictEqual(col.fullCollection.at(0).get("name"), "b");
col.off("remove", onRemove);
col.fullCollection.off("remove", onRemove);
onRemove = function () {
ok(true);
strictEqual(col.state.totalRecords, null);
strictEqual(col.state.totalPages, null);
};
col.on("remove", onRemove);
col.fullCollection.on("remove", onRemove);
col.remove(col.fullCollection.first());
strictEqual(col.state.totalRecords, null);
strictEqual(col.state.totalPages, null);
strictEqual(col.size(), 0);
strictEqual(col.fullCollection.size(), 0);
col = new Backbone.PageableCollection([
{"name": "a"},
{"name": "c"},
{"name": "b"},
{"name": "d"},
{"name": "f"},
], {
state: {
pageSize: 2
},
mode: "client"
});
// tests for insertion into current page by removing from fullCollection
col.fullCollection.remove(col.fullCollection.at(0));
strictEqual(col.at(0).get("name"), "c");
strictEqual(col.at(1).get("name"), "b");
col.fullCollection.remove(col.fullCollection.at(2));
strictEqual(col.at(0).get("name"), "c");
strictEqual(col.at(1).get("name"), "b");
col.fullCollection.remove(col.fullCollection.at(1));
strictEqual(col.at(0).get("name"), "c");
strictEqual(col.at(1).get("name"), "f");
col.fullCollection.remove(col.fullCollection.at(0));
strictEqual(col.at(0).get("name"), "f");
col.fullCollection.remove(col.fullCollection.at(0));
strictEqual(col.length, 0);
// issue 129 and 132, insertion into current page by removing from the current page
col = new Backbone.PageableCollection([
{"name": "a"},
{"name": "c"},
{"name": "b"},
{"name": "e"},
{"name": "f"},
{"name": "d"},
{"name": "g"}
], {
state: {
pageSize: 3
},
mode: "client"
});
col.remove(col.first());
strictEqual(col.state.totalRecords, 6);
strictEqual(col.size(), 3);
strictEqual(col.fullCollection.size(), 6);
deepEqual(col.toJSON(), [
{"name": "c"},
{"name": "b"},
{"name": "e"}
]);
col.remove(col.at(1));
strictEqual(col.state.totalRecords, 5);
strictEqual(col.size(), 3);
strictEqual(col.fullCollection.size(), 5);
deepEqual(col.toJSON(), [
{"name": "c"},
{"name": "e"},
{"name": "f"}
]);
col.remove(col.last());
strictEqual(col.state.totalRecords, 4);
strictEqual(col.size(), 3);
strictEqual(col.fullCollection.size(), 4);
deepEqual(col.toJSON(), [
{"name": "c"},
{"name": "e"},
{"name": "d"}
]);
col.remove(col.first());
strictEqual(col.state.totalRecords, 3);
strictEqual(col.size(), 3);
strictEqual(col.fullCollection.size(), 3);
deepEqual(col.toJSON(), [
{"name": "e"},
{"name": "d"},
{"name": "g"}
]);
col.remove(col.at(1));
strictEqual(col.state.totalRecords, 2);
strictEqual(col.size(), 2);
strictEqual(col.fullCollection.size(), 2);
deepEqual(col.toJSON(), [
{"name": "e"},
{"name": "g"}
]);
col.remove(col.last());
strictEqual(col.state.totalRecords, 1);
strictEqual(col.size(), 1);
strictEqual(col.fullCollection.size(), 1);
deepEqual(col.toJSON(), [
{"name": "e"}
]);
col.remove(col.first());
strictEqual(col.state.totalRecords, null);
strictEqual(col.size(), 0);
strictEqual(col.fullCollection.size(), 0);
deepEqual(col.toJSON(), []);
});
test("add handlers on pageCol are run before remove handlers", 2, function () {
var col = new Backbone.PageableCollection(models, {
state: {
pageSize: 1
},
mode: "client"
});
var queue = [];
col.on("add", function () {
queue.push("add");
});
col.on("remove", function () {
queue.push("remove");
});
col.unshift(new Backbone.Model({name: "d"}));
deepEqual(queue, ["add", "remove"]);
queue = [];
col.fullCollection.unshift(new Backbone.Model({name: "e"}));
deepEqual(queue, ["add", "remove"]);
});
test("remove handlers on pageCol are run before add handlers", 2, function () {
var col = new Backbone.PageableCollection(models, {
state: {
pageSize: 1
},
mode: "client"
});
var queue = [];
col.on("add", function () {
queue.push("add");
});
col.on("remove", function () {
queue.push("remove");
});
col.remove(col.at(0));
deepEqual(queue, ["remove", "add"]);
queue = [];
col.fullCollection.remove(col.at(0));
deepEqual(queue, ["remove", "add"]);
});
test("change", 6, function () {
var col = new Backbone.PageableCollection(models, {
state: {
pageSize: 1
},
mode: "client"
});
var onChange = function () {
ok(true);
};
col.on("change", onChange);
col.fullCollection.on("change", onChange);
col.at(0).set("name", "e");
strictEqual(col.fullCollection.at(0).get("name"), "e");
col.fullCollection.at(1).set("name", "f");
col.fullCollection.at(0).set("name", "g");
});
test("sync", 5, function () {
var col = new (Backbone.PageableCollection.extend({
url: "test-client-sync"
}))(models, {
state: {
pageSize: 1
},
mode: "client"
});
var onSync = function () {
ok(true);
};
col.on("sync", onSync);
col.fullCollection.on("sync", onSync);
col.at(0).save();
this.ajaxSettings.success();
col.fullCollection.at(0).save();
this.ajaxSettings.success();
col.fullCollection.at(1).save();
this.ajaxSettings.success();
});
test("reset and sort", 76, function () {
var mods = models.slice();
var col = new Backbone.PageableCollection(mods, {
state: {
pageSize: 2
},
mode: "client"
});
var onReset = function () {
ok(true);
strictEqual(col.state.totalRecords, 4);
strictEqual(col.state.totalPages, 2);
strictEqual(col.state.lastPage, 2);
};
col.on("reset", onReset);
col.fullCollection.on("reset", onReset);
col.fullCollection.reset([
{name: "e"},
{name: "f"},
{name: "d"},
{name: "g"}
]);
strictEqual(col.size(), 2);
strictEqual(col.fullCollection.size(), 4);
strictEqual(col.at(0).get("name"), "e");
strictEqual(col.at(1).get("name"), "f");
strictEqual(col.fullCollection.at(0).get("name"), "e");
strictEqual(col.fullCollection.at(1).get("name"), "f");
strictEqual(col.fullCollection.at(2).get("name"), "d");
strictEqual(col.fullCollection.at(3).get("name"), "g");
col.fullCollection.comparator = comparator;
col.fullCollection.sort();
strictEqual(col.size(), 2);
strictEqual(col.at(0).get("name"), "d");
strictEqual(col.at(1).get("name"), "e");
mods = models.slice();
col = new Backbone.PageableCollection(mods, {
state: {
pageSize: 2
},
mode: "client"
});
onReset = function () {
ok(true);
strictEqual(col.state.totalRecords, 3);
strictEqual(col.state.totalPages, 2);
strictEqual(col.state.lastPage, 2);
};
col.on("reset", onReset);
col.fullCollection.on("reset", onReset);
col.comparator = comparator;
col.sort();
strictEqual(col.at(0).get("name"), "a");
strictEqual(col.at(1).get("name"), "c");
strictEqual(col.fullCollection.at(0).get("name"), "a");
strictEqual(col.fullCollection.at(1).get("name"), "c");
strictEqual(col.fullCollection.at(2).get("name"), "b");
col.comparator = null;
col.off("reset", onReset);
col.fullCollection.off("reset", onReset);
onReset = function () {
ok(true);
strictEqual(col.state.totalRecords, 3);
strictEqual(col.state.totalPages, 2);
strictEqual(col.state.lastPage, 2);
};
col.on("reset", onReset);
col.fullCollection.on("reset", onReset);
mods = [new Backbone.Model({name: "g"}), col.at(0)];
col.reset(mods);
strictEqual(col.size(), 2);
strictEqual(col.fullCollection.size(), 3);
strictEqual(col.at(0).get("name"), "g");
strictEqual(col.at(1).get("name"), "a");
strictEqual(col.fullCollection.at(0).get("name"), "g");
strictEqual(col.fullCollection.at(1).get("name"), "a");
strictEqual(col.fullCollection.at(2).get("name"), "b");
col.off("reset", onReset);
col.fullCollection.off("reset", onReset);
onReset = function () {
ok(true);
strictEqual(col.state.totalRecords, 4);
strictEqual(col.state.totalPages, 2);
strictEqual(col.state.lastPage, 2);
};
col.on("reset", onReset);
col.fullCollection.on("reset", onReset);
col.fullCollection.reset([
{name: "j"},
{name: "h"},
{name: "i"},
{name: "k"}
]);
strictEqual(col.size(), 2);
strictEqual(col.fullCollection.size(), 4);
strictEqual(col.at(0).get("name"), "j");
strictEqual(col.at(1).get("name"), "h");
strictEqual(col.fullCollection.at(0).get("name"), "j");
strictEqual(col.fullCollection.at(1).get("name"), "h");
strictEqual(col.fullCollection.at(2).get("name"), "i");
strictEqual(col.fullCollection.at(3).get("name"), "k");
strictEqual(col.state.totalRecords, 4);
strictEqual(col.state.lastPage, 2);
strictEqual(col.state.totalPages, 2);
col.off("reset", onReset);
col.fullCollection.off("reset", onReset);
onReset = function () {
ok(true);
ok(col.state.totalRecords === null);
ok(col.state.totalPages === null);
ok(col.state.lastPage === col.state.firstPage);
ok(col.state.currentPage === col.state.firstPage);
ok(col.length === 0);
ok(col.fullCollection.length === 0);
};
col.on("reset", onReset);
col.fullCollection.on("reset", onReset);
col.fullCollection.reset();
});
test("fetch", 14, function () {
var col = new (Backbone.PageableCollection.extend({
url: "test-client-fetch"
}))(models, {
state: {
pageSize: 2,
sortKey: "name",
order: 1
},
mode: "client"
});
var resetCount = 0;
var onReset = function () {
resetCount++;
ok(true);
};
var fullResetCount = 0;
var onFullReset = function () {
fullResetCount++;
ok(true);
};
col.on("reset", onReset);
col.fullCollection.on("reset", onFullReset);
var parseCount = 0;
var oldParse = col.parse;
col.parse = function () {
parseCount++;
ok(true);
return oldParse.apply(this, arguments);
};
col.fetch();
strictEqual(this.ajaxSettings.url, "test-client-fetch");
deepEqual(this.ajaxSettings.data, {
"sort_by": "name",
"order": "desc"
});
this.ajaxSettings.success([
{name: "a"},
{name: "c"},
{name: "d"},
{name: "b"}
]);
col.parse = oldParse;
equal(resetCount, 1);
equal(fullResetCount, 1);
equal(parseCount, 1);
strictEqual(col.at(0).get("name"), "d");
strictEqual(col.at(1).get("name"), "c");
strictEqual(col.fullCollection.at(0).get("name"), "d");
strictEqual(col.fullCollection.at(1).get("name"), "c");
strictEqual(col.fullCollection.at(2).get("name"), "b");
strictEqual(col.fullCollection.at(3).get("name"), "a");
});
test("getPageByOffset - firstPage is 0", function () {
var manyModels = [
{"name": "a1"},
{"name": "a2"},
{"name": "b1"},
{"name": "b2"},
{"name": "c1"},
{"name": "c2"}
];
var col = new Backbone.PageableCollection(manyModels, {
state: {
pageSize: 2,
firstPage: 0,
currentPage: 0,
},
mode: "client"
});
strictEqual(col.state.currentPage, 0);
col.getPageByOffset(2);
strictEqual(1, col.state.currentPage);
strictEqual("b1", col.at(0).get("name"));
col.getPageByOffset(1);
strictEqual(0, col.state.currentPage);
strictEqual("a1", col.at(0).get("name"));
col.getPageByOffset(col.state.totalRecords - 1);
strictEqual(2, col.state.currentPage);
strictEqual("c1", col.at(0).get("name"));
sinon.stub(col, "getPage");
col.getPageByOffset(0);
ok(col.getPage.calledOnce);
});
test("getPageByOffset - firstPage is 1", function () {
var manyModels = [
{"name": "a1"},
{"name": "a2"},
{"name": "b1"},
{"name": "b2"},
{"name": "c1"},
{"name": "c2"}
];
var col = new Backbone.PageableCollection(manyModels, {
state: {
pageSize: 2,
firstPage: 1,
currentPage: 1
},
mode: "client"
});
strictEqual(1, col.state.currentPage);
col.getPageByOffset(2);
strictEqual(2, col.state.currentPage);
strictEqual("b1", col.at(0).get("name"));
col.getPageByOffset(1);
strictEqual(1, col.state.currentPage);
strictEqual("a1", col.at(0).get("name"));
col.getPageByOffset(col.state.totalRecords - 1);
strictEqual(3, col.state.currentPage);
strictEqual("c1", col.at(0).get("name"));
sinon.stub(col, "getPage");
col.getPageByOffset(0);
ok(col.getPage.calledOnce);
});
test("getPage", function () {
var col = new Backbone.PageableCollection(models, {
state: {
pageSize: 2
},
mode: "client"
});
col.getPage(2);
strictEqual(col.size(), 1);
strictEqual(col.at(0).get("name"), "b");
sinon.stub(col, "fetch");
col.getPage(1, {fetch: true});
ok(col.fetch.calledOnce);
});
test("getFirstPage", function () {
var col = new Backbone.PageableCollection(models, {
state: {
pageSize: 2
},
mode: "client"
});
col.getFirstPage();
strictEqual(col.size(), 2);
strictEqual(col.at(0).get("name"), "a");
strictEqual(col.at(1).get("name"), "c");
sinon.stub(col, "fetch");
col.getFirstPage({fetch: true});
ok(col.fetch.calledOnce);
});
test("getPreviousPage", function () {
var col = new Backbone.PageableCollection(models, {
state: {
pageSize: 2
},
mode: "client"
});
col.getNextPage();
col.getPreviousPage();
strictEqual(col.size(), 2);
strictEqual(col.at(0).get("name"), "a");
strictEqual(col.at(1).get("name"), "c");
sinon.stub(col, "fetch");
col.getNextPage();
col.getPreviousPage({fetch: true});
ok(col.fetch.calledOnce);
});
test("getNextPage", function () {
var col = new Backbone.PageableCollection(models, {
state: {
pageSize: 2
},
mode: "client"
});
col.getNextPage();
strictEqual(col.size(), 1);
strictEqual(col.at(0).get("name"), "b");
sinon.stub(col, "fetch");
col.getPreviousPage();
col.getNextPage({fetch: true});
ok(col.fetch.calledOnce);
});
test("getLastPage", function () {
var col = new Backbone.PageableCollection(models, {
state: {
pageSize: 2
},
mode: "client"
});
col.getLastPage();
strictEqual(col.size(), 1);
strictEqual(col.at(0).get("name"), "b");
sinon.stub(col, "fetch");
col.getLastPage({fetch: true});
ok(col.fetch.calledOnce);
});
test("setPageSize", function () {
var col = new Backbone.PageableCollection(models, {
state: {
pageSize: 2
},
mode: "client"
});
// decrease page size
col.setPageSize(1);
strictEqual(col.state.pageSize, 1);
strictEqual(col.state.totalPages, 3);
strictEqual(col.state.lastPage, 3);
strictEqual(col.state.currentPage, 1);
strictEqual(col.length, 1);
strictEqual(col.fullCollection.length, 3);
// increase page size
col.setPageSize(3);
strictEqual(col.state.pageSize, 3);
strictEqual(col.state.totalPages, 1);
strictEqual(col.state.lastPage, 1);
strictEqual(col.state.currentPage, 1);
strictEqual(col.length, 3);
strictEqual(col.fullCollection.length, 3);
col = new Backbone.PageableCollection(null, {
state: {
pageSize: 2
},
mode: "client"
});
col.setPageSize(1);
strictEqual(col.state.pageSize, 1);
strictEqual(col.state.totalPages, 0);
strictEqual(col.state.lastPage, null);
strictEqual(col.state.currentPage, 1);
col.setPageSize(3);
strictEqual(col.state.pageSize, 3);
strictEqual(col.state.totalPages, 0);
strictEqual(col.state.lastPage, null);
strictEqual(col.state.currentPage, 1);
// test again for 0-base page indices
col = new Backbone.PageableCollection(models, {
state: {
firstPage: 0,
pageSize: 2
},
mode: "client"
});
col.setPageSize(3);
strictEqual(col.state.pageSize, 3);
strictEqual(col.state.totalPages, 1);
strictEqual(col.state.lastPage, 0);
strictEqual(col.state.currentPage, 0);
strictEqual(col.length, 3);
strictEqual(col.fullCollection.length, 3);
col.setPageSize(1);
strictEqual(col.state.pageSize, 1);
strictEqual(col.state.totalPages, 3);
strictEqual(col.state.lastPage, 2);
strictEqual(col.state.currentPage, 0);
strictEqual(col.length, 1);
strictEqual(col.fullCollection.length, 3);
});
test("issue #15", function () {
var col = new Backbone.PageableCollection(models, {
state: {
pageSize: 2,
currentPage: 2
},
mode: "client"
});
col.fullCollection.remove(col.fullCollection.last());
strictEqual(col.state.currentPage, 1);
strictEqual(col.state.totalRecords, 2);
strictEqual(col.state.lastPage, 1);
strictEqual(col.state.totalPages, 1);
});
test("hasNextPage and hasPreviousPage", function () {
var col = new Backbone.PageableCollection(models, {
state: {
pageSize: 1
},
mode: "client"
});
strictEqual(col.hasPreviousPage(), false);
strictEqual(col.hasNextPage(), true);
col.getNextPage();
strictEqual(col.hasPreviousPage(), true);
strictEqual(col.hasNextPage(), true);
col.getLastPage();
strictEqual(col.hasPreviousPage(), true);
strictEqual(col.hasNextPage(), false);
});
test("parsing from constructor #112", function () {
var Model = Backbone.Model.extend({
parse: function (raw) {
return { value: raw };
}
});
var MyCollection = Backbone.PageableCollection.extend({
model: Model,
mode: 'client',
state: {
firstPage: 0,
pageSize: 2
}
});
var col = new MyCollection([1, 2, 3], {parse: true});
deepEqual(col.toJSON(), [{"value": 1}, {"value": 2}]);
deepEqual(col.fullCollection.toJSON(), [{"value": 1}, {"value": 2}, {"value": 3}]);
});
});
Zerion Mini Shell 1.0