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TiddlyWiki5/editions/tw2/source/tiddlywiki/test/js/LoadingSaving.js

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JavaScript
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jQuery(document).ready(function() {
module("LoadingSaving");
test("load", function() {
var actual, expected, filepath;
actual = loadFile();
expected = null;
same(actual, expected, "returns null if no argument is specified");
filepath = getDocumentPath() + "/sample.txt";
var s = loadFile(filepath);
// if the java saver was used then it will have done the unicode conversion.
actual = window.netscape ? convertUTF8ToUnicode(s) : s;
expected = "lorem ipsum\n" +
"dolor sit amet\n" +
"\n" +
' !"#$%&' + "'()*+,-./0123456789:;<=>?\n" +
"@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~\n" +
"\xa9\u010d\u010c\n" +
"foo bar baz\n";
//if(!config.browser.isOpera && window.netscape)
if(!(config.browser.isChrome && config.browser.isMac))
same(actual, expected, "returns contents of specified file");
filepath = "/null";
actual = loadFile(filepath);
ok(actual==null || actual=="undefined", "returns null if the specified file does not exist");
filepath = "sample.txt";
actual = loadFile(filepath);
ok(actual==null || actual=="undefined", "returns null if specified file path is not absolute");
});
test("save", function() {
var actual, expression, expected, str;
var filepath = getDocumentPath() + "/savetest.txt";
/* disabled as browser-level exceptions cannot be trapped
expression = function() { saveFile(); };
expected = "ReferenceError";
raises(expression, expected, "raises exception if no argument is specified");
*/
/* disabled as browser-level exceptions cannot be trapped
expression = function() { saveFile(filepath); };
expected = "TypeError";
raises(expression, expected, "raises exception if no content argument is specified");
*/
/* disabled as browser-level exceptions cannot be trapped
expression = function() { saveFile("foo.txt", "sample content"); };
expected = "ReferenceError";
raises(expression, expected, "raises exception if specified file path is not absolute");
*/
str = "lorem ipsum\n" +
"dolor sit amet\n" +
"\n" +
" !#$%&'\"()*+,-./0123456789:;<=>?\n" +
"@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~\n" +
"\xa9\u010d\u010c\n" +
"foo bar baz\n" +
(new Date).toString();
saveAndLoadString(filepath, str, "X writes given ANSI text content to specified file");
var str2 = "\xa9\u010d\u010c";
saveAndLoadString(filepath, str2, "Y writes given UTF-8 text content to specified file");
//saveFile(filepath, ""); // teardown: blank file contents (deletion impossible)
});
// helper function to save and load back a string to a file
var saveAndLoadString = function(filepath,str,desc) {
if(config.browser.isChrome && config.browser.isMac) {
return true;
}
saveFile(filepath, convertUnicodeToUTF8(str)); // => entities if IE
var s = loadFile(filepath);
// if the java saver was used then it will have done the unicode conversion.
var actual = window.netscape ? convertUTF8ToUnicode(s) : s;
//var expected = config.browser.isOpera || !window.netscape ? convertUnicodeToHtmlEntities(str) : str;
var expected = config.browser.isIE ? convertUnicodeToHtmlEntities(str) : str;
same(actual, expected, desc);
}
// helper function to retrieve current document's file path
var getDocumentPath = function() {
var path = document.location.pathname;
var startpos = 0;
var endpos = path.lastIndexOf("/");
if(path.charAt(2) == ":") {
startpos = 1;
path = path.replace(new RegExp("/","g"),"\\")
}
return unescape(path.substring(startpos, endpos));
};
});