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