The Tor Browser: content/base/test/fileutils.js@b8a032363ba2 (annotated)

content/base/test/fileutils.js@b8a032363ba2 (annotated)

content/base/test/fileutils.js

Thu, 22 Jan 2015 13:21:57 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Thu, 22 Jan 2015 13:21:57 +0100
branch: TOR_BUG_9701
changeset 15: b8a032363ba2
permissions: -rw-r--r--

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

 // Utility functions
 var testRanCounter = 0;
 var expectedTestCount = 0;
 function testHasRun() {
  //alert(testRanCounter);
  ++testRanCounter;
  if (testRanCounter == expectedTestCount) {
     SimpleTest.finish();
   }
 }
 function testFile(file, contents, test) {
   SimpleTest.requestLongerTimeout(2);
   // Load file using FileReader
   var r = new FileReader();
   r.onload = getFileReaderLoadHandler(contents, contents.length, "FileReader.readAsBinaryString of " + test);
   r.readAsBinaryString(file);
   expectedTestCount++;
   // Load file using URL.createObjectURL and XMLHttpRequest
   var xhr = new XMLHttpRequest;
   xhr.open("GET", URL.createObjectURL(file));
   xhr.onload = getXHRLoadHandler(contents, contents.length, false,
                                  "XMLHttpRequest load of " + test);
   xhr.overrideMimeType('text/plain; charset=x-user-defined');
   xhr.send();
   expectedTestCount++;
   // Send file to server using FormData and XMLHttpRequest
   xhr = new XMLHttpRequest();
   xhr.onload = function(event) {
     checkMPSubmission(JSON.parse(event.target.responseText),
                       [{ name: "hello", value: "world"},
                        { name: "myfile",
                          value: contents,
                          fileName: file.name || "blob",
                          contentType: file.type || "application/octet-stream" }]);
     testHasRun();
   }
   xhr.open("POST", "../../html/content/test/form_submit_server.sjs");
   var fd = new FormData;
   fd.append("hello", "world");
   fd.append("myfile", file);
   xhr.send(fd);
   expectedTestCount++;
   // Send file to server using plain XMLHttpRequest
   var xhr = new XMLHttpRequest;
   xhr.open("POST", "file_XHRSendData.sjs");
   xhr.onload = function (event) {
     is(event.target.getResponseHeader("Result-Content-Type"),
        file.type ? file.type : null,
        "request content-type in XMLHttpRequest send of " + test);
     is(event.target.getResponseHeader("Result-Content-Length"),
        file.size,
        "request content-length in XMLHttpRequest send of " + test);
   };
   xhr.addEventListener("load",
                        getXHRLoadHandler(contents, contents.length, true,
                                          "XMLHttpRequest send of " + test),
                        false);
   xhr.overrideMimeType('text/plain; charset=x-user-defined');
   xhr.send(file);
   expectedTestCount++;
 }
 function getFileReaderLoadHandler(expectedResult, expectedLength, testName) {
   return function (event) {
     is(event.target.readyState, FileReader.DONE,
        "[FileReader] readyState in test " + testName);
     is(event.target.error, null,
        "[FileReader] no error in test " + testName);
     // Do not use |is(event.target.result, expectedResult, "...");| that may output raw binary data.
     is(event.target.result.length, expectedResult.length,
        "[FileReader] Length of result in test " + testName);
     ok(event.target.result == expectedResult,
        "[FileReader] Content of result in test " + testName);
     is(event.lengthComputable, true,
        "[FileReader] lengthComputable in test " + testName);
     is(event.loaded, expectedLength,
        "[FileReader] Loaded length in test " + testName);
     is(event.total, expectedLength,
        "[FileReader] Total length in test " + testName);
     testHasRun();
   }
 }
 function getXHRLoadHandler(expectedResult, expectedLength, statusWorking, testName) {
   return function (event) {
     is(event.target.readyState, 4,
        "[XHR] readyState in test " + testName);
     if (statusWorking) {
       is(event.target.status, 200,
          "[XHR] no error in test " + testName);
     }
     else {
       todo_is(event.target.status, 200,
               "[XHR] no error in test " + testName);
     }
     // Do not use |is(convertXHRBinary(event.target.responseText), expectedResult, "...");| that may output raw binary data.
     var convertedData = convertXHRBinary(event.target.responseText);
     is(convertedData.length, expectedResult.length,
        "[XHR] Length of result in test " + testName);
     ok(convertedData == expectedResult,
        "[XHR] Content of result in test " + testName);
     is(event.lengthComputable, true,
        "[XHR] lengthComputable in test " + testName);
     is(event.loaded, expectedLength,
        "[XHR] Loaded length in test " + testName);
     is(event.total, expectedLength,
        "[XHR] Total length in test " + testName);
     testHasRun();
   }
 }
 function convertXHRBinary(s) {
   var res = "";
   for (var i = 0; i < s.length; ++i) {
     res += String.fromCharCode(s.charCodeAt(i) & 255);
   }
   return res;
 }
 function testHasRun() {
  //alert(testRanCounter);
  ++testRanCounter;
  if (testRanCounter == expectedTestCount) {
     SimpleTest.finish();
   }
 }
 function createFileWithData(fileData) {
   var dirSvc = SpecialPowers.Cc["@mozilla.org/file/directory_service;1"].getService(SpecialPowers.Ci.nsIProperties);
   var testFile = dirSvc.get("ProfD", SpecialPowers.Ci.nsIFile);
   testFile.append("fileAPItestfile2-" + fileNum);
   fileNum++;
   var outStream = SpecialPowers.Cc["@mozilla.org/network/file-output-stream;1"].createInstance(SpecialPowers.Ci.nsIFileOutputStream);
   outStream.init(testFile, 0x02 | 0x08 | 0x20, // write, create, truncate
 , 0);
   outStream.write(fileData, fileData.length);
   outStream.close();
   var fileList = document.getElementById('fileList');
   SpecialPowers.wrap(fileList).value = testFile.path;
   return fileList.files[0];
 }
 function gc() {
   window.QueryInterface(SpecialPowers.Ci.nsIInterfaceRequestor)
         .getInterface(SpecialPowers.Ci.nsIDOMWindowUtils)
         .garbageCollect();
 }
 function checkMPSubmission(sub, expected) {
   function getPropCount(o) {
     var x, l = 0;
     for (x in o) ++l;
     return l;
   }
   is(sub.length, expected.length,
      "Correct number of items");
   var i;
   for (i = 0; i < expected.length; ++i) {
     if (!("fileName" in expected[i])) {
       is(sub[i].headers["Content-Disposition"],
          "form-data; name=\"" + expected[i].name + "\"",
          "Correct name (A)");
       is (getPropCount(sub[i].headers), 1,
           "Wrong number of headers (A)");
     }
     else {
       is(sub[i].headers["Content-Disposition"],
          "form-data; name=\"" + expected[i].name + "\"; filename=\"" +
            expected[i].fileName + "\"",
          "Correct name (B)");
       is(sub[i].headers["Content-Type"],
          expected[i].contentType,
          "Correct content type (B)");
       is (getPropCount(sub[i].headers), 2,
           "Wrong number of headers (B)");
     }
     // Do not use |is(sub[i].body, expected[i].value, "...");| that may output raw binary data.
     is(sub[i].body.length, expected[i].value.length,
        "Length of correct value");
     ok(sub[i].body == expected[i].value,
        "Content of correct value");
   }
 }
 function testSlice(file, size, type, contents, fileType) {
   is(file.type, type, fileType + " file is correct type");
   is(file.size, size, fileType + " file is correct size");
   ok(file instanceof File, fileType + " file is a File");
   ok(file instanceof Blob, fileType + " file is also a Blob");
   var slice = file.slice(0, size);
   ok(slice instanceof Blob, fileType + " fullsize slice is a Blob");
   ok(!(slice instanceof File), fileType + " fullsize slice is not a File");
   slice = file.slice(0, 1234);
   ok(slice instanceof Blob, fileType + " sized slice is a Blob");
   ok(!(slice instanceof File), fileType + " sized slice is not a File");
   slice = file.slice(0, size, "foo/bar");
   is(slice.type, "foo/bar", fileType + " fullsize slice foo/bar type");
   slice = file.slice(0, 5432, "foo/bar");
   is(slice.type, "foo/bar", fileType + " sized slice foo/bar type");
   is(slice.slice(0, 10).type, "", fileType + " slice-slice type");
   is(slice.slice(0, 10).size, 10, fileType + " slice-slice size");
   is(slice.slice(0, 10, "hello/world").type, "hello/world", fileType + " slice-slice hello/world type");
   is(slice.slice(0, 10, "hello/world").size, 10, fileType + " slice-slice hello/world size");
   // Start, end, expected size
   var indexes = [[0, size, size],
                  [0, 1234, 1234],
                  [size-500, size, 500],
                  [size-500, size+500, 500],
                  [size+500, size+1500, 0],
                  [0, 0, 0],
                  [1000, 1000, 0],
                  [size, size, 0],
                  [undefined, undefined, size],
                  [0, undefined, size],
                  [100, undefined, size-100],
                  [-100, undefined, 100],
                  [100, -100, size-200],
                  [-size-100, undefined, size],
                  [-2*size-100, 500, 500],
                  [0, -size-100, 0],
                  [100, -size-100, 0],
                  [50, -size+100, 50],
                  [0, 33000, 33000],
                  [1000, 34000, 33000],
                 ];
   for (var i = 0; i < indexes.length; ++i) {
     var sliceContents;
     var testName;
     if (indexes[i][0] == undefined) {
       slice = file.slice();
       sliceContents = contents.slice();
       testName = fileType + " slice()";
     }
     else if (indexes[i][1] == undefined) {
       slice = file.slice(indexes[i][0]);
       sliceContents = contents.slice(indexes[i][0]);
       testName = fileType + " slice(" + indexes[i][0] + ")";
     }
     else {
       slice = file.slice(indexes[i][0], indexes[i][1]);
       sliceContents = contents.slice(indexes[i][0], indexes[i][1]);
       testName = fileType + " slice(" + indexes[i][0] + ", " + indexes[i][1] + ")";
     }
     is(slice.type, "", testName + " type");
     is(slice.size, indexes[i][2], testName + " size");
     is(sliceContents.length, indexes[i][2], testName + " data size");
     testFile(slice, sliceContents, testName);
   }
   // Slice of slice
   var slice = file.slice(0, 40000);
   testFile(slice.slice(5000, 42000), contents.slice(5000, 40000), "file slice slice");
   // ...of slice of slice
   slice = slice.slice(5000, 42000).slice(400, 700);
   SpecialPowers.gc();
   testFile(slice, contents.slice(5400, 5700), "file slice slice slice");
 }