michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: /**
michael@0:  * Test download resume to do real-resume instead of stalling-the-channel
michael@0:  * resume. Also test bug 395537 for resuming files that are deleted before
michael@0:  * they're resumed. Bug 398216 is checked by making sure the reported progress
michael@0:  * and file size are updated for finished downloads.
michael@0:  */
michael@0: 
michael@0: const nsIF = Ci.nsIFile;
michael@0: const nsIDM = Ci.nsIDownloadManager;
michael@0: const nsIWBP = Ci.nsIWebBrowserPersist;
michael@0: const nsIWPL = Ci.nsIWebProgressListener;
michael@0: const dm = Cc["@mozilla.org/download-manager;1"].getService(nsIDM);
michael@0: 
michael@0: function run_test()
michael@0: {
michael@0:   if (oldDownloadManagerDisabled()) {
michael@0:     return;
michael@0:   }
michael@0: 
michael@0:   /**
michael@0:    * 1. Create data for http server to send
michael@0:    */
michael@0:   // data starts at 10 bytes
michael@0:   var data = "1234567890";
michael@0:   // data * 10^4 = 100,000 bytes (actually 101,111 bytes with newline)
michael@0:   for (var i = 0; i < 4; i++) {
michael@0:     data = [data,data,data,data,data,data,data,data,data,data,"\n"].join("");
michael@0:   }
michael@0: 
michael@0:   /**
michael@0:    * 2. Start the http server that can handle resume
michael@0:    */
michael@0:   var httpserv = new HttpServer();
michael@0:   var didResumeServer = false;
michael@0:   httpserv.registerPathHandler("/resume", function(meta, resp) {
michael@0:     var body = data;
michael@0:     resp.setHeader("Content-Type", "text/html", false);
michael@0:     if (meta.hasHeader("Range")) {
michael@0:       // track that we resumed for testing
michael@0:       didResumeServer = true;
michael@0:       // Syntax: bytes=[from]-[to] (we don't support multiple ranges)
michael@0:       var matches = meta.getHeader("Range").match(/^\s*bytes=(\d+)?-(\d+)?\s*$/);
michael@0:       var from = (matches[1] === undefined) ? 0 : matches[1];
michael@0:       var to = (matches[2] === undefined) ? data.length - 1 : matches[2];
michael@0:       if (from >= data.length) {
michael@0:         resp.setStatusLine(meta.httpVersion, 416, "Start pos too high");
michael@0:         resp.setHeader("Content-Range", "*/" + data.length, false);
michael@0:         return;
michael@0:       }
michael@0:       body = body.substring(from, to + 1);
michael@0:       // always respond to successful range requests with 206
michael@0:       resp.setStatusLine(meta.httpVersion, 206, "Partial Content");
michael@0:       resp.setHeader("Content-Range", from + "-" + to + "/" + data.length, false);
michael@0:     }
michael@0:     resp.bodyOutputStream.write(body, body.length);
michael@0:   });
michael@0:   httpserv.start(-1);
michael@0: 
michael@0:   /**
michael@0:    * 3. Perform various actions for certain download states
michael@0:    */
michael@0:   var didPause = false;
michael@0:   var didResumeDownload = false;
michael@0:   dm.addListener({
michael@0:     onDownloadStateChange: function(a, aDl) {
michael@0:       if (aDl.state == nsIDM.DOWNLOAD_DOWNLOADING && !didPause) {
michael@0:         /**
michael@0:          * (1) queued -> downloading = pause the download
michael@0:          */
michael@0:         dm.pauseDownload(aDl.id);
michael@0:       } else if (aDl.state == nsIDM.DOWNLOAD_PAUSED) {
michael@0:         /**
michael@0:          * (2) downloading -> paused = remove the file
michael@0:          */
michael@0:         didPause = true;
michael@0:         // Test bug 395537 by removing the file before we actually resume
michael@0:         aDl.targetFile.remove(false);
michael@0:       } else if (aDl.state == nsIDM.DOWNLOAD_FINISHED) {
michael@0:         /**
michael@0:          * (4) downloading (resumed) -> finished = check tests
michael@0:          */
michael@0:         // did we pause at all?
michael@0:         do_check_true(didPause);
michael@0:         // did we real-resume and not fake-resume?
michael@0:         do_check_true(didResumeDownload);
michael@0:         // extra real-resume check for the server
michael@0:         do_check_true(didResumeServer);
michael@0:         // did we download the whole file?
michael@0:         do_check_eq(data.length, aDl.targetFile.fileSize);
michael@0:         // extra sanity checks on size (test bug 398216)
michael@0:         do_check_eq(data.length, aDl.amountTransferred);
michael@0:         do_check_eq(data.length, aDl.size);
michael@0: 
michael@0:         httpserv.stop(do_test_finished);
michael@0:       }
michael@0:     },
michael@0:     onStateChange: function(a, b, aState, d, aDl) {
michael@0:       if ((aState & nsIWPL.STATE_STOP) && didPause && !didResumeServer &&
michael@0:           !didResumeDownload) {
michael@0:         /**
michael@0:          * (3) paused -> stopped = resume the download
michael@0:          */
michael@0:         dm.resumeDownload(aDl.id);
michael@0:         didResumeDownload = true;
michael@0:       }
michael@0:     },
michael@0:     onProgressChange: function(a, b, c, d, e, f, g) { },
michael@0:     onSecurityChange: function(a, b, c, d) { }
michael@0:   });
michael@0:   dm.addListener(getDownloadListener());
michael@0: 
michael@0:   /**
michael@0:    * 4. Start the download
michael@0:    */
michael@0:   var destFile = dirSvc.get("ProfD", nsIF);
michael@0:   destFile.append("resumed");
michael@0:   if (destFile.exists())
michael@0:     destFile.remove(false);
michael@0:   var persist = Cc["@mozilla.org/embedding/browser/nsWebBrowserPersist;1"].
michael@0:                 createInstance(nsIWBP);
michael@0:   persist.persistFlags = nsIWBP.PERSIST_FLAGS_REPLACE_EXISTING_FILES |
michael@0:                          nsIWBP.PERSIST_FLAGS_BYPASS_CACHE |
michael@0:                          nsIWBP.PERSIST_FLAGS_AUTODETECT_APPLY_CONVERSION;
michael@0:   var dl = dm.addDownload(nsIDM.DOWNLOAD_TYPE_DOWNLOAD,
michael@0:                           createURI("http://localhost:" +
michael@0:                                     httpserv.identity.primaryPort + "/resume"),
michael@0:                           createURI(destFile), null, null,
michael@0:                           Math.round(Date.now() * 1000), null, persist, false);
michael@0:   persist.progressListener = dl.QueryInterface(nsIWPL);
michael@0:   persist.saveURI(dl.source, null, null, null, null, dl.targetFile, null);
michael@0: 
michael@0:   // Mark as pending, so clear this when we actually finish the download
michael@0:   do_test_pending();
michael@0: }