87 lines
2.3 KiB
TypeScript
87 lines
2.3 KiB
TypeScript
/**
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* @author Martin Karkowski
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* @email m.karkowski@zema.de
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* @create date 2021-11-13 08:17:19
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* @modify date 2021-11-13 09:44:51
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* @desc [description]
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*/
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import { assert } from "chai";
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import "chai/register-should";
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import { describe, it } from "mocha";
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import { extractUniqueValues } from "./mapMethods";
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import { MergeData } from "./mergedData";
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describe("mergedData", function () {
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// Describe the required Test:
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it("data subscription", function (done) {
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const m = new Map<string, string>();
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const d = new MergeData(m, (m) => extractUniqueValues(m));
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m.set("a", "b");
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m.set("b", "b");
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d.update();
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d.data.subscribe((result) => {
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assert.isTrue(
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result.length === 1,
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"Elements have the same identity, but should be differend"
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);
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assert.isTrue([...result][0] === "b", "Element is element");
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done();
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});
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});
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it("data subscription. Update called twice", function (done) {
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const m = new Map<string, string>();
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const d = new MergeData(m, (m) => extractUniqueValues(m));
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m.set("a", "b");
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m.set("b", "b");
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d.update(m);
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d.data.subscribe((result) => {
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assert.isTrue(
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result.length === 1,
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"Elements have the same identity, but should be differend"
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);
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assert.isTrue([...result][0] === "b", "Element is element");
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done();
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});
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d.update(m);
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});
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it("onchange subscription: added", function (done) {
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const m = new Map<string, string>();
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const d = new MergeData(m, (m) => extractUniqueValues(m));
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m.set("a", "b");
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m.set("b", "b");
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d.onChange.subscribe((result) => {
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assert.isTrue(
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result.added.length === 1,
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"Elements have the same identity, but should be differend"
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);
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assert.isTrue([...result.added][0] === "b", "Element is element");
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done();
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});
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d.update(m);
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});
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it("onchange subscription: removed", function (done) {
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const m = new Map<string, string>();
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const d = new MergeData(m, (m) => extractUniqueValues(m));
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m.set("a", "b");
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m.set("b", "b");
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d.onChange.subscribe((result) => {
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assert.isTrue(
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result.removed.length === 0,
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"Elements have the same identity, but should be differend"
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);
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done();
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});
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d.update(m);
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});
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});
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