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diff --git a/mediagoblin/tests/test_workbench.py b/mediagoblin/tests/test_workbench.py
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+++ b/mediagoblin/tests/test_workbench.py
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+# GNU MediaGoblin -- federated, autonomous media hosting
+# Copyright (C) 2011, 2012 MediaGoblin contributors.  See AUTHORS.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+import os
+import tempfile
+
+
+from mediagoblin.tools import workbench
+from mediagoblin.mg_globals import setup_globals
+from mediagoblin.decorators import get_workbench
+from mediagoblin.tests.test_storage import get_tmp_filestorage, cleanup_storage
+
+
+class TestWorkbench(object):
+    def setup(self):
+        self.workbench_base = tempfile.mkdtemp(prefix='gmg_workbench_testing')
+        self.workbench_manager = workbench.WorkbenchManager(
+            self.workbench_base)
+
+    def teardown(self):
+        # If the workbench is empty, this should work.
+        os.rmdir(self.workbench_base)
+
+    def test_create_workbench(self):
+        workbench = self.workbench_manager.create()
+        assert os.path.isdir(workbench.dir)
+        assert workbench.dir.startswith(self.workbench_manager.base_workbench_dir)
+        workbench.destroy()
+
+    def test_joinpath(self):
+        this_workbench = self.workbench_manager.create()
+        tmpname = this_workbench.joinpath('temp.txt')
+        assert tmpname == os.path.join(this_workbench.dir, 'temp.txt')
+        this_workbench.destroy()
+
+    def test_destroy_workbench(self):
+        # kill a workbench
+        this_workbench = self.workbench_manager.create()
+        tmpfile_name = this_workbench.joinpath('temp.txt')
+        tmpfile = file(tmpfile_name, 'w')
+        with tmpfile:
+            tmpfile.write('lollerskates')
+
+        assert os.path.exists(tmpfile_name)
+
+        wb_dir = this_workbench.dir
+        this_workbench.destroy()
+        assert not os.path.exists(tmpfile_name)
+        assert not os.path.exists(wb_dir)
+
+    def test_localized_file(self):
+        tmpdir, this_storage = get_tmp_filestorage()
+        this_workbench = self.workbench_manager.create()
+
+        # Write a brand new file
+        filepath = ['dir1', 'dir2', 'ourfile.txt']
+
+        with this_storage.get_file(filepath, 'w') as our_file:
+            our_file.write('Our file')
+
+        # with a local file storage
+        filename = this_workbench.localized_file(this_storage, filepath)
+        assert filename == os.path.join(
+            tmpdir, 'dir1/dir2/ourfile.txt')
+        this_storage.delete_file(filepath)
+        cleanup_storage(this_storage, tmpdir, ['dir1', 'dir2'])
+
+        # with a fake remote file storage
+        tmpdir, this_storage = get_tmp_filestorage(fake_remote=True)
+
+        # ... write a brand new file, again ;)
+        with this_storage.get_file(filepath, 'w') as our_file:
+            our_file.write('Our file')
+
+        filename = this_workbench.localized_file(this_storage, filepath)
+        assert filename == os.path.join(
+            this_workbench.dir, 'ourfile.txt')
+
+        # fake remote file storage, filename_if_copying set
+        filename = this_workbench.localized_file(
+            this_storage, filepath, 'thisfile')
+        assert filename == os.path.join(
+            this_workbench.dir, 'thisfile.txt')
+
+        # fake remote file storage, filename_if_copying set,
+        # keep_extension_if_copying set to false
+        filename = this_workbench.localized_file(
+            this_storage, filepath, 'thisfile.text', False)
+        assert filename == os.path.join(
+            this_workbench.dir, 'thisfile.text')
+
+        this_storage.delete_file(filepath)
+        cleanup_storage(this_storage, tmpdir, ['dir1', 'dir2'])
+        this_workbench.destroy()
+
+    def test_workbench_decorator(self):
+        """Test @get_workbench decorator and automatic cleanup"""
+        # The decorator needs mg_globals.workbench_manager
+        setup_globals(workbench_manager=self.workbench_manager)
+
+        @get_workbench
+        def create_it(workbench=None):
+            # workbench dir exists?
+            assert os.path.isdir(workbench.dir)
+            return workbench.dir
+
+        benchdir = create_it()
+        # workbench dir has been cleaned up automatically?
+        assert not os.path.isdir(benchdir)