test_temporary_file_service.js

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//------------------------------------------------------------------------------
//------------------------------------------------------------------------------
//
// Temporary file service unit tests.
//
//------------------------------------------------------------------------------
//------------------------------------------------------------------------------

function runTest() {
  // Get the file protocol handler.
  var ioService = Cc["@mozilla.org/network/io-service;1"]
                    .getService(Ci.nsIIOService);
  var fileProtocolHandler = ioService.getProtocolHandler("file")
                              .QueryInterface(Ci.nsIFileProtocolHandler);

  // Test that the temporary file service component is available.
  var temporaryFileService;
  try {
    temporaryFileService =
      Cc["@songbirdnest.com/Songbird/TemporaryFileService;1"]
        .getService(Ci.sbITemporaryFileService);
  } catch (ex) {}
  assertTrue(temporaryFileService,
             "Temporary file service component is not available.");

  // Test existence of temporary file service root directory.
  assertTrue(temporaryFileService.rootTemporaryDirectory,
             "Temporary file service directory is null.");
  assertTrue(temporaryFileService.rootTemporaryDirectory.exists(),
             "Temporary file service directory does not exist.");

  // Create temporary file and test its existence.
  var tmpFile1 = temporaryFileService.createFile(Ci.nsIFile.NORMAL_FILE_TYPE);
  assertTrue(tmpFile1, "Could not create temporary file.");
  assertTrue(tmpFile1.exists(), "Temporary file does not exist.");

  // Create another temporary file and test its uniqueness.
  var tmpFile2 = temporaryFileService.createFile(Ci.nsIFile.NORMAL_FILE_TYPE);
  assertTrue(tmpFile2, "Could not create temporary file.");
  assertTrue(tmpFile2.exists(), "Temporary file does not exist.");
  assertTrue(!tmpFile2.equals(tmpFile1), "Temporary file is not unique.");

  // Create and validate a temporary file with a specified base name.
  var fileBaseName = "test";
  tmpFile1 = temporaryFileService.createFile(Ci.nsIFile.NORMAL_FILE_TYPE,
                                             fileBaseName);
  assertTrue(tmpFile1, "Could not create temporary file.");
  var fileURL = fileProtocolHandler.newFileURI(tmpFile1);
  fileURL = fileURL.QueryInterface(Ci.nsIURL);
  assertEqual(fileURL.fileBaseName.search(fileBaseName), 0);

  // Create and validate a temporary file with a specified extension.
  tmpFile1 = temporaryFileService.createFile(Ci.nsIFile.NORMAL_FILE_TYPE,
                                             null,
                                             "tst");
  assertTrue(tmpFile1, "Could not create temporary file.");
  assertTrue(tmpFile1.path.match(/\.tst$/), "File extension incorrect.");
}