tiddlywiki/editions/test/tiddlers/tests/test-deserialize-operator.js

a non-linear personal web notebook

/*\
title: test-deserialize-operator.js
type: application/javascript
tags: [[$:/tags/test-spec]]

Tests deserialize[] filter operator with various core deserializers

\*/

/* eslint-env node, browser, jasmine */
/* eslint no-mixed-spaces-and-tabs: ["error", "smart-tabs"]*/
"use strict";

	
describe("deserialize operator tests", function() {

	it("should support the deserialize[] operator", function() {
		//Unknown deserializer as operand
		expect($tw.wiki.filterTiddlers("[{dezerializer test data case 4}deserialize[unknown/deserializer]]")).toEqual([$tw.language.getString("Error/DeserializeOperator/UnknownDeserializer")]);

		//Missing operand
		expect($tw.wiki.filterTiddlers("[{dezerializer test data case 4}deserialize[]]")).toEqual([$tw.language.getString("Error/DeserializeOperator/MissingOperand")]);

		//Deserialize TiddlyWiki file
		expect($tw.wiki.filterTiddlers("[{dezerializer test data case 4}deserialize[text/html]]")).toEqual(['[{"type":"text/vnd.tiddlywiki","text":"Abacus","title":"Hello \\"There\\""},{"title":"Hello \\"There\\"","text":"Calculator"}]']);
		expect($tw.wiki.filterTiddlers("[{dezerializer test data case 5}deserialize[text/html]]")).toEqual(['[{"type":"text/vnd.tiddlywiki","text":"Abacus","title":"Hello \\"There\\""},{"title":"Hello \\"There\\"","text":"Calculator"},{"title":"Hello \\"There\\"","text":"Protractor"}]']);

		// Deserialize JSON payload containing tiddlers
		expect($tw.wiki.filterTiddlers("[{dezerializer test data case 6}deserialize[application/json]]")).toEqual( [ "[{\"created\":\"20230601125557184\",\"text\":\"Before you start storing important information in ~TiddlyWiki it is vital to make sure that you can reliably save changes. See https://tiddlywiki.com/#GettingStarted for details\\n\\n\",\"title\":\"GettingStarted\",\"modified\":\"20230601125601619\"},{\"created\":\"20230601125507054\",\"text\":\"Welcome to \\\"TiddlyWiki\\\".\\n\\nThis is a test tiddler.\",\"tags\":\"\",\"title\":\"Hello There \\\"Welcome\\\"\",\"modified\":\"20230601125551144\"},{\"title\":\"TiddlyWiki\",\"created\":\"20130822170700000\",\"modified\":\"20170127221451610\",\"tags\":\"Concepts\",\"type\":\"text/vnd.tiddlywiki\",\"text\":\"~TiddlyWiki is a rich, interactive tool for manipulating complex data with structure that doesn't easily fit into conventional tools like spreadsheets or wordprocessors.\\n\\n~TiddlyWiki is designed to fit around your brain, helping you deal with the things that won't fit.\"}]" ]);
		expect($tw.wiki.filterTiddlers("[{dezerializer test data case 6}deserialize[application/json]jsonindexes[]] :map[{dezerializer test data case 6}jsonget<currentTiddler>,[title]]")).toEqual([ "GettingStarted", 'Hello There "Welcome"', "TiddlyWiki" ]);

		//Deserialize TiddlyWiki file with an mismatched deserializer
		expect($tw.wiki.filterTiddlers("[{dezerializer test data case 5}deserialize[application/json]]")).toEqual([jasmine.stringMatching("JSON error")]);
	});
});