mirror of
https://github.com/Jermolene/TiddlyWiki5
synced 2024-11-01 15:46:18 +00:00
326ae61929
* Fix encodebase64 and decodebase64 filters The documentation for encodebase64 says that the input is treated as binary data, but in fact the input is being treated as text data, with an extra UTF-8 encoding step being performed first. Likewise, the decodebase64 documentation says that it outputs binary data, but in fact it will do a UTF-8 decoding step before producing output, which will in fact garble binary data. This commit changes the behavior of encodebase64 and decodebase64 to match what the documentation says they do. It also adds an optional `text` suffix to both filters to keep the current behavior. Finally, an optional `urlsafe` suffix is added to both filters to allow them to use the "URL-safe" variant of base64 (using `-` instead of `+` and `_` instead of `/`). * Try to fix failing test Turns out a little more than this is going to be needed. * Fix binary base64 encoding, including unit tests * Update base64 filter documentation * Can't use replaceAll, too new Have to use String.replace with a global regex instead * Replace uses of window.btoa() in rest of code Since window.btoa() is not available under Node.js, we'll replace all uses of it with the $tw.utils.base64encode() function that now works correctly for binary data. * Add link to UTF-8 glossary definition at MDN
214 lines
8.5 KiB
JavaScript
214 lines
8.5 KiB
JavaScript
/*\
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title: test-utils.js
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type: application/javascript
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tags: [[$:/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 $tw.utils.parseDate(v).toUTCString();
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};
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expect(pd("20150428204930183")).toEqual("Tue, 28 Apr 2015 20:49:30 GMT");
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expect(pd("-20150428204930183")).toEqual("Sun, 28 Apr -2015 20:49:30 GMT");
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expect(pd("00730428204930183")).toEqual("Fri, 28 Apr 0073 20:49:30 GMT");
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expect(pd("-00730428204930183")).toEqual("Thu, 28 Apr -0073 20:49:30 GMT");
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});
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it("should handle base64 encoding emojis", function() {
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var booksEmoji = "📚";
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expect(booksEmoji).toBe(booksEmoji);
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// 📚 is U+1F4DA BOOKS, which is represented by surrogate pair 0xD83D 0xDCDA in Javascript
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expect(booksEmoji.length).toBe(2);
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expect(booksEmoji.charCodeAt(0)).toBe(55357); // 0xD83D
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expect(booksEmoji.charCodeAt(1)).toBe(56538); // 0xDCDA
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expect($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 base64 encoding emojis in URL-safe variant", function() {
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var booksEmoji = "📚";
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expect($tw.utils.base64Encode(booksEmoji, false, true)).toBe("8J-Tmg==", "if surrogate pairs are correctly treated as a single code unit then base64 should be 8J+Tmg==");
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expect($tw.utils.base64Decode("8J-Tmg==", false, true)).toBe(booksEmoji);
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expect($tw.utils.base64Decode($tw.utils.base64Encode(booksEmoji, false, true), false, true)).toBe(booksEmoji, "should round-trip correctly");
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});
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it("should handle base64 encoding binary data", function() {
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var binaryData = "\xff\xfe\xfe\xff";
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var encoded = $tw.utils.base64Encode(binaryData,true);
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expect(encoded).toBe("//7+/w==");
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var decoded = $tw.utils.base64Decode(encoded,true);
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expect(decoded).toBe(binaryData, "Binary data did not round-trip correctly");
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});
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it("should handle base64 encoding binary data in URL-safe variant", function() {
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var binaryData = "\xff\xfe\xfe\xff";
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var encoded = $tw.utils.base64Encode(binaryData,true,true);
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expect(encoded).toBe("__7-_w==");
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var decoded = $tw.utils.base64Decode(encoded,true,true);
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expect(decoded).toBe(binaryData, "Binary data did not 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 = $tw.utils.formatDateString,
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// nov is month: 10!
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d = new Date(2014,10,9,17,41,28,542);
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expect(fds(d,"{era:bce||ce}")).toBe("ce");
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expect(fds(d,"YYYY")).toBe("2014");
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expect(fds(d,"DDD DD MMM YYYY")).toBe("Sunday 9 November 2014");
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expect(fds(d,"ddd hh mm ssss")).toBe("Sun 17 41 2828");
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expect(fds(d,"MM0DD")).toBe("1109");
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expect(fds(d,"MM0\\D\\D")).toBe("110DD");
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expect(fds(d,"TIMESTAMP")).toBe(d.getTime().toString());
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const day = d.getUTCDate();
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const dayStr = ("" + day).padStart(2, '0');
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const hours = d.getUTCHours();
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const hoursStr = ("" + hours).padStart(2, '0');
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const expectedUtcStr = `201411${dayStr}${hoursStr}4128542`;
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expect(fds(d,"[UTC]YYYY0MM0DD0hh0mm0ssXXX")).toBe(expectedUtcStr);
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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 = $tw.utils.compareVersions;
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expect(cv("v0.0.0","v0.0.0")).toEqual(0);
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expect(cv("0.0.0","v0.0.0")).toEqual(0);
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expect(cv("v0.0.0","0.0.0")).toEqual(0);
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expect(cv("v0.0.0","not a version")).toEqual(0);
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expect(cv("v0.0.0",undefined)).toEqual(0);
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expect(cv("not a version","v0.0.0")).toEqual(0);
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expect(cv(undefined,"v0.0.0")).toEqual(0);
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expect(cv("v1.0.0","v1.0.0")).toEqual(0);
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expect(cv("v1.0.0","1.0.0")).toEqual(0);
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expect(cv("v1.0.1",undefined)).toEqual(+1);
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expect(cv("v1.0.1","v1.0.0")).toEqual(+1);
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expect(cv("v1.1.1","v1.1.0")).toEqual(+1);
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expect(cv("v1.1.2","v1.1.1")).toEqual(+1);
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expect(cv("1.1.2","v1.1.1")).toEqual(+1);
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expect(cv("v1.0.0","v1.0.1")).toEqual(-1);
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expect(cv("v1.1.0","v1.1.1")).toEqual(-1);
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expect(cv("v1.1.1","v1.1.2")).toEqual(-1);
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expect(cv("1.1.1","1.1.2")).toEqual(-1);
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});
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it("should insert strings into sorted arrays", function() {
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expect($tw.utils.insertSortedArray([],"a").join(",")).toEqual("a");
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expect($tw.utils.insertSortedArray(["b","c","d"],"a").join(",")).toEqual("a,b,c,d");
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expect($tw.utils.insertSortedArray(["b","c","d"],"d").join(",")).toEqual("b,c,d");
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expect($tw.utils.insertSortedArray(["b","c","d"],"f").join(",")).toEqual("b,c,d,f");
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expect($tw.utils.insertSortedArray(["b","c","d","e"],"f").join(",")).toEqual("b,c,d,e,f");
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expect($tw.utils.insertSortedArray(["b","c","g"],"f").join(",")).toEqual("b,c,f,g");
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expect($tw.utils.insertSortedArray(["b","c","d"],"ccc").join(",")).toEqual("b,c,ccc,d");
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});
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});
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})(); |