toolkit/components/downloads/test/unit/test_resume.js

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/toolkit/components/downloads/test/unit/test_resume.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,138 @@
     1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.6 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.7 +
     1.8 +/**
     1.9 + * Test download resume to do real-resume instead of stalling-the-channel
    1.10 + * resume. Also test bug 395537 for resuming files that are deleted before
    1.11 + * they're resumed. Bug 398216 is checked by making sure the reported progress
    1.12 + * and file size are updated for finished downloads.
    1.13 + */
    1.14 +
    1.15 +const nsIF = Ci.nsIFile;
    1.16 +const nsIDM = Ci.nsIDownloadManager;
    1.17 +const nsIWBP = Ci.nsIWebBrowserPersist;
    1.18 +const nsIWPL = Ci.nsIWebProgressListener;
    1.19 +const dm = Cc["@mozilla.org/download-manager;1"].getService(nsIDM);
    1.20 +
    1.21 +function run_test()
    1.22 +{
    1.23 +  if (oldDownloadManagerDisabled()) {
    1.24 +    return;
    1.25 +  }
    1.26 +
    1.27 +  /**
    1.28 +   * 1. Create data for http server to send
    1.29 +   */
    1.30 +  // data starts at 10 bytes
    1.31 +  var data = "1234567890";
    1.32 +  // data * 10^4 = 100,000 bytes (actually 101,111 bytes with newline)
    1.33 +  for (var i = 0; i < 4; i++) {
    1.34 +    data = [data,data,data,data,data,data,data,data,data,data,"\n"].join("");
    1.35 +  }
    1.36 +
    1.37 +  /**
    1.38 +   * 2. Start the http server that can handle resume
    1.39 +   */
    1.40 +  var httpserv = new HttpServer();
    1.41 +  var didResumeServer = false;
    1.42 +  httpserv.registerPathHandler("/resume", function(meta, resp) {
    1.43 +    var body = data;
    1.44 +    resp.setHeader("Content-Type", "text/html", false);
    1.45 +    if (meta.hasHeader("Range")) {
    1.46 +      // track that we resumed for testing
    1.47 +      didResumeServer = true;
    1.48 +      // Syntax: bytes=[from]-[to] (we don't support multiple ranges)
    1.49 +      var matches = meta.getHeader("Range").match(/^\s*bytes=(\d+)?-(\d+)?\s*$/);
    1.50 +      var from = (matches[1] === undefined) ? 0 : matches[1];
    1.51 +      var to = (matches[2] === undefined) ? data.length - 1 : matches[2];
    1.52 +      if (from >= data.length) {
    1.53 +        resp.setStatusLine(meta.httpVersion, 416, "Start pos too high");
    1.54 +        resp.setHeader("Content-Range", "*/" + data.length, false);
    1.55 +        return;
    1.56 +      }
    1.57 +      body = body.substring(from, to + 1);
    1.58 +      // always respond to successful range requests with 206
    1.59 +      resp.setStatusLine(meta.httpVersion, 206, "Partial Content");
    1.60 +      resp.setHeader("Content-Range", from + "-" + to + "/" + data.length, false);
    1.61 +    }
    1.62 +    resp.bodyOutputStream.write(body, body.length);
    1.63 +  });
    1.64 +  httpserv.start(-1);
    1.65 +
    1.66 +  /**
    1.67 +   * 3. Perform various actions for certain download states
    1.68 +   */
    1.69 +  var didPause = false;
    1.70 +  var didResumeDownload = false;
    1.71 +  dm.addListener({
    1.72 +    onDownloadStateChange: function(a, aDl) {
    1.73 +      if (aDl.state == nsIDM.DOWNLOAD_DOWNLOADING && !didPause) {
    1.74 +        /**
    1.75 +         * (1) queued -> downloading = pause the download
    1.76 +         */
    1.77 +        dm.pauseDownload(aDl.id);
    1.78 +      } else if (aDl.state == nsIDM.DOWNLOAD_PAUSED) {
    1.79 +        /**
    1.80 +         * (2) downloading -> paused = remove the file
    1.81 +         */
    1.82 +        didPause = true;
    1.83 +        // Test bug 395537 by removing the file before we actually resume
    1.84 +        aDl.targetFile.remove(false);
    1.85 +      } else if (aDl.state == nsIDM.DOWNLOAD_FINISHED) {
    1.86 +        /**
    1.87 +         * (4) downloading (resumed) -> finished = check tests
    1.88 +         */
    1.89 +        // did we pause at all?
    1.90 +        do_check_true(didPause);
    1.91 +        // did we real-resume and not fake-resume?
    1.92 +        do_check_true(didResumeDownload);
    1.93 +        // extra real-resume check for the server
    1.94 +        do_check_true(didResumeServer);
    1.95 +        // did we download the whole file?
    1.96 +        do_check_eq(data.length, aDl.targetFile.fileSize);
    1.97 +        // extra sanity checks on size (test bug 398216)
    1.98 +        do_check_eq(data.length, aDl.amountTransferred);
    1.99 +        do_check_eq(data.length, aDl.size);
   1.100 +
   1.101 +        httpserv.stop(do_test_finished);
   1.102 +      }
   1.103 +    },
   1.104 +    onStateChange: function(a, b, aState, d, aDl) {
   1.105 +      if ((aState & nsIWPL.STATE_STOP) && didPause && !didResumeServer &&
   1.106 +          !didResumeDownload) {
   1.107 +        /**
   1.108 +         * (3) paused -> stopped = resume the download
   1.109 +         */
   1.110 +        dm.resumeDownload(aDl.id);
   1.111 +        didResumeDownload = true;
   1.112 +      }
   1.113 +    },
   1.114 +    onProgressChange: function(a, b, c, d, e, f, g) { },
   1.115 +    onSecurityChange: function(a, b, c, d) { }
   1.116 +  });
   1.117 +  dm.addListener(getDownloadListener());
   1.118 +
   1.119 +  /**
   1.120 +   * 4. Start the download
   1.121 +   */
   1.122 +  var destFile = dirSvc.get("ProfD", nsIF);
   1.123 +  destFile.append("resumed");
   1.124 +  if (destFile.exists())
   1.125 +    destFile.remove(false);
   1.126 +  var persist = Cc["@mozilla.org/embedding/browser/nsWebBrowserPersist;1"].
   1.127 +                createInstance(nsIWBP);
   1.128 +  persist.persistFlags = nsIWBP.PERSIST_FLAGS_REPLACE_EXISTING_FILES |
   1.129 +                         nsIWBP.PERSIST_FLAGS_BYPASS_CACHE |
   1.130 +                         nsIWBP.PERSIST_FLAGS_AUTODETECT_APPLY_CONVERSION;
   1.131 +  var dl = dm.addDownload(nsIDM.DOWNLOAD_TYPE_DOWNLOAD,
   1.132 +                          createURI("http://localhost:" +
   1.133 +                                    httpserv.identity.primaryPort + "/resume"),
   1.134 +                          createURI(destFile), null, null,
   1.135 +                          Math.round(Date.now() * 1000), null, persist, false);
   1.136 +  persist.progressListener = dl.QueryInterface(nsIWPL);
   1.137 +  persist.saveURI(dl.source, null, null, null, null, dl.targetFile, null);
   1.138 +
   1.139 +  // Mark as pending, so clear this when we actually finish the download
   1.140 +  do_test_pending();
   1.141 +}

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