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xml_collection.ts
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xml_collection.ts
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import * as assert from "assert";
import { XmlAttribute, XmlCollection, XmlElement, XmlObject } from "../src";
context("XmlCollection", () => {
@XmlElement({
localName: "child",
namespaceURI: "http://some.com",
})
class Child extends XmlObject {
@XmlAttribute({ localName: "id", defaultValue: 0 })
public Id: number;
constructor(id?: number) {
super();
if (id !== void 0) {
this.Id = id;
}
}
}
@XmlElement({
localName: "children",
namespaceURI: "http://some.com",
parser: Child,
})
class Children extends XmlCollection<Child> {
}
it("Pop", () => {
const col = new Children();
col.Add(new Child(1));
col.Add(new Child(2));
col.Add(new Child(3));
assert.equal(col.Count, 3);
col.Pop();
assert.equal(col.Count, 2);
assert.equal(col.Item(0)!.Id, 1);
assert.equal(col.Item(1)!.Id, 2);
});
it("RemoveAt", () => {
const col = new Children();
col.Add(new Child(1));
col.Add(new Child(2));
col.Add(new Child(3));
assert.equal(col.Count, 3);
col.RemoveAt(0);
assert.equal(col.Count, 2);
assert.equal(col.Item(0)!.Id, 2);
assert.equal(col.Item(1)!.Id, 3);
});
it("Clear", () => {
const col = new Children();
col.Add(new Child(1));
col.Add(new Child(2));
col.Add(new Child(3));
assert.equal(col.Count, 3);
col.Clear();
assert.equal(col.Count, 0);
});
it("IsEmpty", () => {
const col = new Children();
assert.equal(col.IsEmpty(), true);
col.Add(new Child(1));
assert.equal(col.IsEmpty(), false);
});
it("ForEach", () => {
const col = new Children();
col.Add(new Child(1));
col.Add(new Child(2));
col.Add(new Child(3));
let id = 1;
col.ForEach((item) => {
assert.equal(item.Id, id++);
});
});
it("Map", () => {
const col = new Children();
col.Add(new Child(1));
col.Add(new Child(2));
col.Add(new Child(3));
let id = 1;
col
.Map((item) => {
return item.Id;
})
.ForEach((item) => {
assert.equal(item, id++);
});
});
it("Filter", () => {
const col = new Children();
col.Add(new Child(1));
col.Add(new Child(2));
col.Add(new Child(3));
const list = col.Filter((item) => {
return item.Id === 3;
});
assert.equal(list.Count, 1);
assert.equal(list.Item(0)!.Id, 3);
});
it("Sort", () => {
const col = new Children();
col.Add(new Child(1));
col.Add(new Child(3));
col.Add(new Child(2));
const list = col.Sort((a, b) => {
if (a.Id > b.Id) {
return -1;
}
if (a.Id < b.Id) {
return 1;
}
return 0;
});
assert.equal(list.Count, 3);
assert.equal(list.Item(0)!.Id, 3);
assert.equal(list.Item(1)!.Id, 2);
assert.equal(list.Item(2)!.Id, 1);
});
it("Every", () => {
const col = new Children();
col.Add(new Child(1));
col.Add(new Child(1));
col.Add(new Child(1));
assert.equal(col.Every((item) => {
return item.Id === 1;
}), true);
col.Add(new Child(2));
assert.equal(col.Every((item) => {
return item.Id === 1;
}), false);
});
context("HasChanged", () => {
it("Initialized empty collection is not changed", () => {
const col = new Children();
assert.equal(col.HasChanged(), false);
});
it("Update state on item adding", () => {
const col = new Children();
col.Add(new Child());
assert.equal(col.HasChanged(), true);
});
it("Update state on item removing", () => {
const col = new Children();
col.Add(new Child());
col.GetXml();
assert.equal(col.HasChanged(), false);
col.RemoveAt(0);
assert.equal(col.HasChanged(), true);
});
it("Set unchanged state for loaded XML", () => {
const xml = `<children xmlns="http://some.com"><child id="0"/><child id="1"/></children>`;
const col = new Children();
col.LoadXml(xml);
assert.equal(col.HasChanged(), false);
assert.equal(col.Item(0)!.HasChanged(), false);
});
});
});