Follow up to bug 437556 change the unit test to work properly cross-platform. p=Josh Geenen <joshgeenen+bugzilla@gmail.com>,r=me

mailnews/import/test/resources/import_helper.js

@@ -0,0 +1,37 @@
+/**
+ * Returns an import interface based on the name of the module and a string
+ * to search for.  Throws an error if it cannot find the module.
+ *
+ * @param moduleName The name of the module, such as "addressbook"
+ * @param searchStr  The string to search the module names for, such as ".csv"
+ *                   to find the import module for comma-separated value files
+ * @return           An nsIImportGeneric import interface.
+ */
+function getImportInterface(moduleName, searchStr)
+{
+  do_check_true(moduleName && moduleName.length > 0);
+  do_check_true(searchStr && searchStr.length > 0);
+
+  var importService = Cc["@mozilla.org/import/import-service;1"]
+                        .getService(Ci.nsIImportService);
+  var module;
+  var count = importService.GetModuleCount(moduleName);
+
+  // Iterate through each import module until the one being searched for is found
+  for (var i = 0; i < count; i++)
+  {
+    // Check if the current module fits the search string gets the interface
+    if (importService.GetModuleName(moduleName, i).indexOf(searchStr) != -1)
+    {
+      module = importService.GetModule(moduleName, i);
+      break;
+    }
+  }
+
+  // Make sure the module was found.  If not, return false
+  if (!module)
+    return null;
+
+  return module.GetImportInterface(moduleName)
+               .QueryInterface(Ci.nsIImportGeneric);
+}

mailnews/import/test/unit/head_import.js

@@ -1,2 +1,4 @@
-// Import the main scripts that mailnews tests need to set up and tear down
+// Set up the profile directory for verifying the success of imports
 do_import_script("mailnews/test/resources/mailDirService.js");
+// Import the script with basic import functions
+do_import_script("mailnews/import/test/resources/import_helper.js");

mailnews/import/test/unit/test_bug_437556.js

@@ -4,17 +4,16 @@
  */
 function run_test()
 {
-  var file = do_get_file('mailnews/import/test/resources/basic_addressbook.csv');
-  var importService = Cc["@mozilla.org/import/import-service;1"]
-                        .getService(Ci.nsIImportService);
-  var module = importService.GetModule("addressbook", 0);
-  var abInterface = module.GetImportInterface("addressbook")
-                          .QueryInterface(Ci.nsIImportGeneric);
-
+  var file = do_get_file("mailnews/import/test/resources/basic_addressbook.csv");
+  var errorStr = Cc["@mozilla.org/supports-string;1"]
+                     .createInstance(Ci.nsISupportsString);
+  // get the text Address Book import interface and make sure it succeeded
+  var abInterface = getImportInterface("addressbook", ".csv");
+  do_check_neq(abInterface, null);
   abInterface.SetData("addressLocation", file);
- 
-  //do_check_true(abInterface.WantsProgress());
+  do_check_true(abInterface.WantsProgress());
 
-  // BeginImport should return false if the field map isn't set
-  //do_check_false(abInterface.BeginImport(null, null, false));	
+  // BeginImport should return false and log an error if the fieldMap isn't set
+  do_check_false(abInterface.BeginImport(null, errorStr, false));
+  do_check_neq(errorStr, null);
 }