175 lines
6.4 KiB
JavaScript
175 lines
6.4 KiB
JavaScript
/*\
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title: test-utils.js
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type: application/javascript
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tags: [[$:/tags/test-spec]]
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Tests various utility functions.
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\*/
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(function(){
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/*jslint node: true, browser: true */
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/*global $tw: false */
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"use strict";
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describe("Utility tests", function() {
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it("should handle parsing a string array", function() {
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var psa = $tw.utils.parseStringArray;
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expect(psa("Tiddler8")).toEqual(["Tiddler8"]);
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expect(psa(" Tiddler8")).toEqual(["Tiddler8"]);
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expect(psa("Tiddler8 ")).toEqual(["Tiddler8"]);
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expect(psa("Tiddler8 two")).toEqual(["Tiddler8","two"]);
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expect(psa(" Tiddler8 two ")).toEqual(["Tiddler8","two"]);
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expect(psa(" Tidd\u00a0ler8 two ")).toEqual(["Tidd\u00a0ler8","two"]);
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expect(psa(" [[Tidd\u00a0ler8]] two ")).toEqual(["Tidd\u00a0ler8","two"]);
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});
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it("should handle parsing a date", function() {
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var pd = function(v) {
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return $tw.utils.parseDate(v).toString();
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};
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expect(pd("20150428204930183")).toEqual("Tue Apr 28 2015 21:49:30 GMT+0100 (British Summer Time)");
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expect(pd("-20150428204930183")).toEqual("Sun Apr 28 -2015 20:48:15 GMT-0001 (British Summer Time)");
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expect(pd("00730428204930183")).toEqual("Fri Apr 28 0073 20:48:15 GMT-0001 (British Summer Time)");
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expect(pd("-00730428204930183")).toEqual("Thu Apr 28 -0073 20:48:15 GMT-0001 (British Summer Time)");
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});
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it("should handle base64 encoding emojis", function() {
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var booksEmoji = "📚";
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expect(booksEmoji).toBe(booksEmoji);
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// 📚 is U+1F4DA BOOKS, which is represented by surrogate pair 0xD83D 0xDCDA in Javascript
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expect(booksEmoji.length).toBe(2);
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expect(booksEmoji.charCodeAt(0)).toBe(55357); // 0xD83D
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expect(booksEmoji.charCodeAt(1)).toBe(56538); // 0xDCDA
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expect($tw.utils.base64Encode(booksEmoji)).not.toBe("7aC97bOa", "if base64 is 7aC97bOa then surrogate pairs were incorrectly treated as codepoints");
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expect($tw.utils.base64Encode(booksEmoji)).toBe("8J+Tmg==", "if surrogate pairs are correctly treated as a single code unit then base64 should be 8J+Tmg==");
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expect($tw.utils.base64Decode("8J+Tmg==")).toBe(booksEmoji);
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expect($tw.utils.base64Decode($tw.utils.base64Encode(booksEmoji))).toBe(booksEmoji, "should round-trip correctly");
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});
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it("should handle stringifying a string array", function() {
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var str = $tw.utils.stringifyList;
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expect(str([])).toEqual("");
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expect(str(["Tiddler8"])).toEqual("Tiddler8");
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expect(str(["Tiddler8 "])).toEqual("[[Tiddler8 ]]");
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expect(str(["A+B", "A-B", "A=B"])).toEqual("A+B A-B A=B");
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expect(str(["A B"])).toEqual("[[A B]]");
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// Starting special characters aren't treated specially,
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// even though this makes a list incompatible with a filter parser.
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expect(str(["+T", "-T", "~T", "=T", "$T"])).toEqual("+T -T ~T =T $T");
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expect(str(["A", "", "B"])).toEqual("A B");
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});
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it("stringifyList shouldn't interfere with setting variables to negative numbers", function() {
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var wiki = new $tw.Wiki();
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wiki.addTiddler({title: "test", text: "<$set name=X filter='\"-7\"'>{{{ [<X>add[2]] }}}</$set>"});
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// X shouldn't be wrapped in brackets. If it is, math filters will treat it as zero.
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expect(wiki.renderTiddler("text/plain","test")).toBe("-5");
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});
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it("should handle formatting a date string", function() {
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var fds = $tw.utils.formatDateString,
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// nov is month: 10!
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d = new Date(2014,10,9,17,41,28,542);
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expect(fds(d,"{era:bce||ce}")).toBe("ce");
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expect(fds(d,"YYYY")).toBe("2014");
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expect(fds(d,"DDD DD MMM YYYY")).toBe("Sunday 9 November 2014");
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expect(fds(d,"ddd hh mm ssss")).toBe("Sun 17 41 2828");
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expect(fds(d,"MM0DD")).toBe("1109");
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expect(fds(d,"MM0\\D\\D")).toBe("110DD");
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// test some edge cases found at: https://en.wikipedia.org/wiki/ISO_week_date
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// 2016-11-13 is Week 45 and it's a Sunday (month nr: 10)
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d = new Date(2016,10,12,23,59,59);
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expect(fds(d,"WW")).toBe("45");
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d = new Date(2016,10,13,23,59,59,999);
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expect(fds(d,"WW")).toBe("45");
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d = new Date(2016,10,13,23,59,60); // see 60 seconds. so it's week 46
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expect(fds(d,"WW")).toBe("46");
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// 2006 Dez. 31 is end of week 52 (month nr: 11)
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d = new Date(2006,11,31,23,59,59);
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expect(fds(d,"WW")).toBe("52");
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d = new Date(2006,11,31,23,59,60);
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expect(fds(d,"WW")).toBe("1");
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// 2010 Jan 03 is in week 53 (month nr: 0)
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d = new Date(2010,0,3,23,59,59);
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expect(fds(d,"WW")).toBe("53");
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d = new Date(2010,0,3,23,59,60);
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expect(fds(d,"WW")).toBe("1");
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// 2014 12 29 is in week 1 of 2015 (month nr. 11)
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d = new Date(2014,11,29,23,59,59);
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expect(fds(d,"WW")).toBe("1");
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expect(fds(d,"wYYYY")).toBe("2015");
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// Negative years
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d = new Date(-2014,10,9,17,41,28,542);
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expect(fds(d,"YYYY")).toBe("-2014");
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expect(fds(d,"aYYYY")).toBe("2014");
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expect(fds(d,"{era:bce||ce}")).toBe("bce");
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// Zero years
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d = new Date(0,10,9,17,41,28,542);
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d.setUTCFullYear(0); // See https://stackoverflow.com/a/5870822
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expect(fds(d,"YYYY")).toBe("0000");
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expect(fds(d,"aYYYY")).toBe("0000");
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expect(fds(d,"{era:bce|z|ce}")).toBe("z");
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});
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it("should parse text references", function() {
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var ptr = $tw.utils.parseTextReference;
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expect(ptr("title")).toEqual(
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{ title : 'title' }
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);
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expect(ptr("ti#tle")).toEqual(
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{ title : 'ti#tle' }
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);
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expect(ptr("ti!tle")).toEqual(
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{ title : 'ti!tle' }
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);
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expect(ptr("ti#tle##index")).toEqual(
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{ title : 'ti#tle', index : 'index' }
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);
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expect(ptr("ti!tle!!field")).toEqual(
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{ title : 'ti!tle', field : 'field' }
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);
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expect(ptr("title##index!!field")).toEqual(
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{ title : 'title##index', field : 'field' }
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);
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expect(ptr("title!!field##index")).toEqual(
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{ title : 'title', field : 'field##index' }
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);
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});
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it("should compare versions", function() {
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var cv = $tw.utils.compareVersions;
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expect(cv("v0.0.0","v0.0.0")).toEqual(0);
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expect(cv("0.0.0","v0.0.0")).toEqual(0);
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expect(cv("v0.0.0","0.0.0")).toEqual(0);
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expect(cv("v0.0.0","not a version")).toEqual(0);
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expect(cv("v0.0.0",undefined)).toEqual(0);
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expect(cv("not a version","v0.0.0")).toEqual(0);
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expect(cv(undefined,"v0.0.0")).toEqual(0);
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expect(cv("v1.0.0","v1.0.0")).toEqual(0);
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expect(cv("v1.0.0","1.0.0")).toEqual(0);
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expect(cv("v1.0.1",undefined)).toEqual(+1);
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expect(cv("v1.0.1","v1.0.0")).toEqual(+1);
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expect(cv("v1.1.1","v1.1.0")).toEqual(+1);
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expect(cv("v1.1.2","v1.1.1")).toEqual(+1);
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expect(cv("1.1.2","v1.1.1")).toEqual(+1);
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expect(cv("v1.0.0","v1.0.1")).toEqual(-1);
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expect(cv("v1.1.0","v1.1.1")).toEqual(-1);
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expect(cv("v1.1.1","v1.1.2")).toEqual(-1);
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expect(cv("1.1.1","1.1.2")).toEqual(-1);
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});
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});
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})();
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