diff --git a/beetsplug/export.py b/beetsplug/export.py
index 0666747b2..63939f7e4 100644
--- a/beetsplug/export.py
+++ b/beetsplug/export.py
@@ -42,6 +42,9 @@ class ExportPlugin(BeetsPlugin):
 
     def __init__(self):
         super(ExportPlugin, self).__init__()
+        # Used when testing export plugin
+        self.run_results = None
+        self.export_format = None
 
         self.config.add({
             'default_format': 'json',
@@ -68,7 +71,7 @@ class ExportPlugin(BeetsPlugin):
                 'formatting': {
                     'ensure_ascii': False,
                     'indent': 4,
-                    'separators': (''),
+                    'separators': ('>'),
                     'sort_keys': True
                 }
             }
@@ -105,13 +108,12 @@ class ExportPlugin(BeetsPlugin):
         return [cmd]
 
     def run(self, lib, opts, args):
-
         file_path = opts.output
         file_mode = 'a' if opts.append else 'w'
         file_format = opts.format
         format_options = self.config[file_format]['formatting'].get(dict)
 
-        export_format = ExportFormat.factory(
+        self.export_format = ExportFormat.factory(
             file_type=file_format, 
             **{
                 'file_path': file_path,
@@ -135,7 +137,9 @@ class ExportPlugin(BeetsPlugin):
                 continue
             data = key_filter(data)
             items += [data]
-        export_format.export(items, **format_options)
+
+        self.run_results = items
+        self.export_format.export(self.run_results, **format_options)
 
 
 class ExportFormat(object):
@@ -144,6 +148,8 @@ class ExportFormat(object):
         self.path = file_path
         self.mode = file_mode
         self.encoding = encoding
+        # Used for testing
+        self.results = None
 
     @classmethod
     def factory(cls, file_type, **kwargs):
@@ -167,11 +173,13 @@ class JsonFormat(ExportFormat):
         self.export = self.export_to_file if self.path else self.export_to_terminal
 
     def export_to_terminal(self, data, **kwargs):
-        json.dump(data, sys.stdout, cls=ExportEncoder, **kwargs)
+        r = json.dump(data, sys.stdout, cls=ExportEncoder, **kwargs)
+        self.results = str(r)
 
     def export_to_file(self, data, **kwargs):
         with codecs.open(self.path, self.mode, self.encoding) as f:
-            json.dump(data, f, cls=ExportEncoder, **kwargs)
+            r = json.dump(data, f, cls=ExportEncoder, **kwargs)
+            self.results = str(r)
 
 
 class CSVFormat(ExportFormat):
@@ -192,12 +200,15 @@ class CSVFormat(ExportFormat):
         writer = csv.DictWriter(sys.stdout, fieldnames=self.header)
         writer.writeheader()
         writer.writerows(data)
+        self.results = str(writer)
+
 
     def export_to_file(self, data, **kwargs):
         with codecs.open(self.path, self.mode, self.encoding) as f:
             writer = csv.DictWriter(f, fieldnames=self.header)
             writer.writeheader()
             writer.writerows(data)
+            self.results = str(writer)
 
 
 class XMLFormat(ExportFormat):
@@ -233,7 +244,9 @@ class XMLFormat(ExportFormat):
     
     def export_to_terminal(self, data, **kwargs):
         print(data)
+        self.results = str(data)
 
     def export_to_file(self, data, **kwargs):
         with codecs.open(self.path, self.mode, self.encoding) as f:
-            f.write(data)
\ No newline at end of file
+            f.write(data)
+            self.results = str(data)
\ No newline at end of file